From 9d04fb897ffca7db1c6030125198345b2203e858 Mon Sep 17 00:00:00 2001
From: Benjamin Paassen <bpaassen@techfak.uni-bielefeld.de>
Date: Wed, 8 Apr 2015 13:02:23 +0200
Subject: renamed the osxml integration folder to domain_interaction because
 that seemed semantically more fitting.

---
 .../affiliation_typesystem.osxml                   |  10 ++
 .../domain_interaction/bibliography_ontology.osxml |  42 ++++++
 .../domain_interaction/book_ontology.osxml         |  35 +++++
 .../domain_interaction/comments_ontology.osxml     |  40 +++++
 .../domain_interaction/complex_book.in.osxml       | 107 +++++++++++++
 .../domain_interaction/complex_book.out.osxml      | 165 +++++++++++++++++++++
 .../domain_interaction/email_typesystem.osxml      |   8 +
 .../domain_interaction/emphasis_ontology.osxml     |   5 +
 .../domain_interaction/headings_ontology.osxml     |  33 +++++
 .../domain_interaction/lists_ontology.osxml        |  24 +++
 .../domain_interaction/meta_ontology.osxml         |  49 ++++++
 .../domain_interaction/simple_annotation.in.osxml  |  10 ++
 .../domain_interaction/simple_annotation.out.osxml |  19 +++
 .../domain_interaction/version_typesystem.osxml    |   8 +
 .../integration/osxml/affiliation_typesystem.osxml |  10 --
 .../integration/osxml/bibliography_ontology.osxml  |  42 ------
 testdata/integration/osxml/book_ontology.osxml     |  35 -----
 testdata/integration/osxml/comments_ontology.osxml |  40 -----
 testdata/integration/osxml/complex_book.in.osxml   | 107 -------------
 testdata/integration/osxml/complex_book.out.osxml  | 165 ---------------------
 testdata/integration/osxml/email_typesystem.osxml  |   8 -
 testdata/integration/osxml/emphasis_ontology.osxml |   5 -
 testdata/integration/osxml/headings_ontology.osxml |  33 -----
 testdata/integration/osxml/lists_ontology.osxml    |  24 ---
 testdata/integration/osxml/meta_ontology.osxml     |  49 ------
 .../integration/osxml/simple_annotation.in.osxml   |  10 --
 .../integration/osxml/simple_annotation.out.osxml  |  19 ---
 .../integration/osxml/version_typesystem.osxml     |   8 -
 28 files changed, 555 insertions(+), 555 deletions(-)
 create mode 100644 testdata/integration/domain_interaction/affiliation_typesystem.osxml
 create mode 100644 testdata/integration/domain_interaction/bibliography_ontology.osxml
 create mode 100644 testdata/integration/domain_interaction/book_ontology.osxml
 create mode 100644 testdata/integration/domain_interaction/comments_ontology.osxml
 create mode 100644 testdata/integration/domain_interaction/complex_book.in.osxml
 create mode 100644 testdata/integration/domain_interaction/complex_book.out.osxml
 create mode 100644 testdata/integration/domain_interaction/email_typesystem.osxml
 create mode 100644 testdata/integration/domain_interaction/emphasis_ontology.osxml
 create mode 100644 testdata/integration/domain_interaction/headings_ontology.osxml
 create mode 100644 testdata/integration/domain_interaction/lists_ontology.osxml
 create mode 100644 testdata/integration/domain_interaction/meta_ontology.osxml
 create mode 100644 testdata/integration/domain_interaction/simple_annotation.in.osxml
 create mode 100644 testdata/integration/domain_interaction/simple_annotation.out.osxml
 create mode 100644 testdata/integration/domain_interaction/version_typesystem.osxml
 delete mode 100644 testdata/integration/osxml/affiliation_typesystem.osxml
 delete mode 100644 testdata/integration/osxml/bibliography_ontology.osxml
 delete mode 100644 testdata/integration/osxml/book_ontology.osxml
 delete mode 100644 testdata/integration/osxml/comments_ontology.osxml
 delete mode 100644 testdata/integration/osxml/complex_book.in.osxml
 delete mode 100644 testdata/integration/osxml/complex_book.out.osxml
 delete mode 100644 testdata/integration/osxml/email_typesystem.osxml
 delete mode 100644 testdata/integration/osxml/emphasis_ontology.osxml
 delete mode 100644 testdata/integration/osxml/headings_ontology.osxml
 delete mode 100644 testdata/integration/osxml/lists_ontology.osxml
 delete mode 100644 testdata/integration/osxml/meta_ontology.osxml
 delete mode 100644 testdata/integration/osxml/simple_annotation.in.osxml
 delete mode 100644 testdata/integration/osxml/simple_annotation.out.osxml
 delete mode 100644 testdata/integration/osxml/version_typesystem.osxml

diff --git a/testdata/integration/domain_interaction/affiliation_typesystem.osxml b/testdata/integration/domain_interaction/affiliation_typesystem.osxml
new file mode 100644
index 0000000..d84dc30
--- /dev/null
+++ b/testdata/integration/domain_interaction/affiliation_typesystem.osxml
@@ -0,0 +1,10 @@
+<?xml version="1.0" standalone="yes"?>
+<typesystem name="affiliation">
+	<struct name="affiliation">
+		<field name="workgroup" type="string"/>
+		<field name="departement" type="string"/>
+		<field name="institution" type="string"/>
+	</struct>
+
+	<constant name="citec.sc" type="affiliation" value="[workgroup=Semantic Computing Group,departement=Center of Excellence Cognitive Interaction Technology (CITEC), institution=Bielefeld University]"/>
+</typesystem>
diff --git a/testdata/integration/domain_interaction/bibliography_ontology.osxml b/testdata/integration/domain_interaction/bibliography_ontology.osxml
new file mode 100644
index 0000000..0333133
--- /dev/null
+++ b/testdata/integration/domain_interaction/bibliography_ontology.osxml
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<ontology name="bibliography">
+
+	<import rel="ontology" src="./book_ontology"/>
+	<import rel="ontology" src="./meta_ontology"/>
+
+	<struct name="bibliography" transparent="true">
+		<field>
+			<childRef ref="bibEntry"/>
+		</field>
+		<parentRef ref="book">
+			<field name="bibliography" subtree="true"/>
+		</parentRef>
+	</struct>
+	<struct name="bibEntry">
+		<field>
+			<childRef ref="meta.authors"/>
+			<childRef ref="title"/>
+			<childRef ref="year"/>
+			<childRef ref="journal"/>
+			<childRef ref="pages"/>
+			<childRef ref="location"/>
+		</field>
+	</struct>
+	<struct name="title" cardinality="{1}">
+		<primitive type="string"/>
+	</struct>
+	<struct name="year" cardinality="{1}">
+		<primitive type="int"/>
+	</struct>
+	<struct name="journal" cardinality="{0-1}">
+		<!-- here some kind of database reference would be better -->
+		<primitive type="string"/>
+	</struct>
+	<struct name="pages" cardinality="{0-1}">
+		<primitive type="cardinality"/>
+	</struct>
+	<struct name="location" cardinality="{0-1}">
+		<!-- here some kind of database reference would be better -->
+		<primitive type="string"/>
+	</struct>
+</ontology>
diff --git a/testdata/integration/domain_interaction/book_ontology.osxml b/testdata/integration/domain_interaction/book_ontology.osxml
new file mode 100644
index 0000000..2c615ca
--- /dev/null
+++ b/testdata/integration/domain_interaction/book_ontology.osxml
@@ -0,0 +1,35 @@
+<?xml version="1.0" standalone="yes"?>
+<!-- The ontology node is the root node of a single ontology definition -->
+<ontology name="book">
+	<struct name="book" cardinality="{1}" root="true">
+		<field>
+			<childRef ref="book.chapter"/>
+			<childRef ref="book.paragraph"/>
+		</field>
+	</struct>
+	<struct name="chapter">
+		<field>
+			<childRef ref="book.section"/>
+			<childRef ref="book.paragraph"/>
+		</field>
+	</struct>
+	<struct name="section">
+		<field>
+			<childRef ref="book.subsection"/>
+			<childRef ref="book.paragraph"/>
+		</field>
+	</struct>
+	<struct name="subsection">
+		<field>
+			<childRef ref="book.paragraph"/>
+		</field>
+	</struct>
+	<struct name="paragraph" transparent="true">
+		<field>
+			<childRef ref="book.text"/>
+		</field>
+	</struct>
+	<struct name="text" transparent="true">
+		<primitive type="string"/>
+	</struct>
+</ontology>
diff --git a/testdata/integration/domain_interaction/comments_ontology.osxml b/testdata/integration/domain_interaction/comments_ontology.osxml
new file mode 100644
index 0000000..34185d8
--- /dev/null
+++ b/testdata/integration/domain_interaction/comments_ontology.osxml
@@ -0,0 +1,40 @@
+<?xml version="1.0" standalone="yes"?>
+<ontology name="comments">
+	<import rel="ontology" src="./book_ontology.osxml"/>
+
+	<!-- an annotation comment -->
+	<annotation name="comment">
+		<field name="replies" subtree="true">
+			<childRef ref="reply"/>
+		</field>
+		<field name="content">
+			<childRef ref="book.paragraph"/>
+		</field>
+	</annotation>
+
+	<!-- an point-like structure comment. -->
+	<struct name="comment">
+		<!-- Is there a chance to prevent users from having to redefine these
+		     two fields in comment and reply? Could we use a fieldRef here?
+		     Or would that be circular? -->
+		<field name="replies" subtree="true">
+			<childRef ref="reply"/>
+		</field>
+		<field name="content">
+			<childRef ref="book.paragraph"/>
+		</field>
+		<parentRef ref="book.paragraph">
+			<fieldRef ref="$default"/>
+		</parentRef>
+	</struct>
+	<!-- note that replies are organized in a tree fashion: One can also reply
+	     to a reply -->
+	<struct name="reply">
+		<field name="replies" subtree="true">
+			<childRef ref="reply"/>
+		</field>
+		<field name="content">
+			<childRef ref="book.paragraph"/>
+		</field>
+	</struct>
+</ontology>
diff --git a/testdata/integration/domain_interaction/complex_book.in.osxml b/testdata/integration/domain_interaction/complex_book.in.osxml
new file mode 100644
index 0000000..8eb5f26
--- /dev/null
+++ b/testdata/integration/domain_interaction/complex_book.in.osxml
@@ -0,0 +1,107 @@
+<?xml version="1.0"?>
+<document>
+
+	<import rel="ontology" src="./book_ontology"/>
+	<import rel="ontology" src="./headings_ontology"/>
+	<import rel="ontology" src="./meta_ontology"/>
+	<import rel="ontology" src="./bibliography_ontology"/>
+	<import rel="ontology" src="./lists_ontology"/>
+	<import rel="ontology" src="./emphasis_ontology"/>
+	<import rel="ontology" src="./comments_ontology"/>
+	<!--<alias tag="paragraph" aka="p"/>
+	<alias tag="emphasized" aka="em"/>-->
+	
+	<book>
+		<meta>
+			<primaryAuthor>
+				<firstName>Immanuel</firstName>
+				<lastName>Kant</lastName>
+				<email>[ikant,philo.albertus-koenigsberg,de]</email>
+				<affiliation>[Logic and Metaphysics, Faculty of Philosophy, Albertus-University Königsberg]</affiliation>
+			</primaryAuthor>
+			<version>[1,0,0]</version>
+		</meta>
+
+		<bibliography>
+			<bibEntry>
+				<title>Dezember-Heft</title>
+				<journal>Berlinische Monatsschrift</journal>
+				<year>1784</year>
+				<pages>{481-494}</pages>
+			</bibEntry>
+			<bibEntry>
+				<title>Kleine Schriften</title>
+				<primaryAuthor>
+					<firstName>Immanuel</firstName>
+					<lastName>Kant</lastName>
+				</primaryAuthor>
+				<year>1793</year>
+				<pages>{34-50}</pages>
+				<location>Neuwied</location>
+			</bibEntry>
+			<bibEntry>
+				<title>Zerstreute Aufsätze</title>
+				<primaryAuthor>
+					<firstName>Immanuel</firstName>
+					<lastName>Kant</lastName>
+				</primaryAuthor>
+				<year>1793</year>
+				<pages>{25-37}</pages>
+				<location>Frankfurt und Leipzig</location>
+			</bibEntry>
+			<bibEntry>
+				<title>Sämmtliche kleine Schriften</title>
+				<primaryAuthor>
+					<firstName>Immanuel</firstName>
+					<lastName>Kant</lastName>
+				</primaryAuthor>
+				<year>1798</year>
+				<pages>{159-172}</pages>
+				<location>Königsberg u. Leipzig</location>
+			</bibEntry>
+			<bibEntry>
+				<title>I. Kant's vermischte Schriften</title>
+				<primaryAuthor>
+					<firstName>Immanuel</firstName>
+					<lastName>Kant</lastName>
+				</primaryAuthor>
+				<year>1799</year>
+				<pages>{687-700}</pages>
+				<location>Halle</location>
+			</bibEntry>
+			<bibEntry>
+				<title>Vorzügliche kleine Schriften und Aufsätze</title>
+				<primaryAuthor>
+					<firstName>Immanuel</firstName>
+					<lastName>Kant</lastName>
+				</primaryAuthor>
+				<year>1833</year>
+				<pages>{75-84}</pages>
+				<location>Leipzig</location>
+			</bibEntry>
+		</bibliography>
+	
+		<heading>
+			Beantwortung der Frage: Was ist Aufklärung?
+		</heading>
+		
+		<chapter name="content">
+			<heading>Was ist Aufklärung?</heading>
+
+			<a:start:strong/>Aufklärung ist der Ausgang des Menschen aus seiner
+			selbstverschuldeten Unmündigkeit<a:end:strong/>.
+			<ul>
+				<item><a:start:emphasized/>Unmündigkeit<a:end:emphasized/> ist
+			das Unvermögen, sich seines Verstandes ohne Leitung eines anderen zu
+			bedienen.</item>
+				<item><a:start:emphasized/>Selbstverschuldet<a:end:emphasized/>
+			ist diese Unmündigkeit, wenn die Ursache derselben nicht am Mangel
+			des Verstandes, sondern der Entschließung und des Mutes liegt, sich
+			seiner ohne Leitung eines andern zu bedienen.</item>
+			</ul>
+			<a:start:strong/>Sapere aude!<a:end:strong/> Habe Mut, dich deines
+			eigenen Verstandes zu bedienen! ist also der Wahlspruch der
+			Aufklärung.
+		</chapter>
+	</book>
+</document>
diff --git a/testdata/integration/domain_interaction/complex_book.out.osxml b/testdata/integration/domain_interaction/complex_book.out.osxml
new file mode 100644
index 0000000..17c40d1
--- /dev/null
+++ b/testdata/integration/domain_interaction/complex_book.out.osxml
@@ -0,0 +1,165 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<document xmlns:bibliography="bibliography" xmlns:book="book" xmlns:comments="comments" xmlns:emphasis="emphasis" xmlns:headings="headings" xmlns:lists="lists" xmlns:meta="meta">
+	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/book_ontology.osxml"/>
+	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/headings_ontology.osxml"/>
+	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/meta_ontology.osxml"/>
+	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/bibliography_ontology.osxml"/>
+	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/lists_ontology.osxml"/>
+	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/emphasis_ontology.osxml"/>
+	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/comments_ontology.osxml"/>
+	<book:book>
+		<heading>
+			<headings:heading>
+				<book:text>Beantwortung der Frage: Was ist Aufklärung?</book:text>
+			</headings:heading>
+		</heading>
+		<meta>
+			<meta:meta>
+				<meta:authors>
+					<meta:primaryAuthor>
+						<firstName>Immanuel</firstName>
+						<secondNames/>
+						<lastName>Kant</lastName>
+						<email>[
+	&quot;domainName&quot;= &quot;philo.albertus-koenigsberg&quot;,
+	&quot;domainSuffix&quot;= &quot;de&quot;,
+	&quot;local&quot;= &quot;ikant&quot;
+]</email>
+						<affiliation>[
+	&quot;departement&quot;= &quot;Faculty of Philosophy&quot;,
+	&quot;institution&quot;= &quot;Albertus-University Königsberg&quot;,
+	&quot;workgroup&quot;= &quot;Logic and Metaphysics&quot;
+]</affiliation>
+					</meta:primaryAuthor>
+				</meta:authors>
+				<meta:version>[
+	&quot;major&quot;= 1,
+	&quot;minor&quot;= 0,
+	&quot;patch&quot;= 0
+]</meta:version>
+			</meta:meta>
+		</meta>
+		<bibliography>
+			<bibliography:bibliography>
+				<bibliography:bibEntry>
+					<bibliography:title>Dezember-Heft</bibliography:title>
+					<bibliography:journal>Berlinische Monatsschrift</bibliography:journal>
+					<bibliography:year>1784</bibliography:year>
+					<bibliography:pages>{481-494}</bibliography:pages>
+				</bibliography:bibEntry>
+				<bibliography:bibEntry>
+					<bibliography:title>Kleine Schriften</bibliography:title>
+					<meta:authors>
+						<meta:primaryAuthor>
+							<firstName>Immanuel</firstName>
+							<secondNames/>
+							<lastName>Kant</lastName>
+							<email/>
+							<affiliation/>
+						</meta:primaryAuthor>
+					</meta:authors>
+					<bibliography:year>1793</bibliography:year>
+					<bibliography:pages>{34-50}</bibliography:pages>
+					<bibliography:location>Neuwied</bibliography:location>
+				</bibliography:bibEntry>
+				<bibliography:bibEntry>
+					<bibliography:title>Zerstreute Aufsätze</bibliography:title>
+					<meta:authors>
+						<meta:primaryAuthor>
+							<firstName>Immanuel</firstName>
+							<secondNames/>
+							<lastName>Kant</lastName>
+							<email/>
+							<affiliation/>
+						</meta:primaryAuthor>
+					</meta:authors>
+					<bibliography:year>1793</bibliography:year>
+					<bibliography:pages>{25-37}</bibliography:pages>
+					<bibliography:location>Frankfurt und Leipzig</bibliography:location>
+				</bibliography:bibEntry>
+				<bibliography:bibEntry>
+					<bibliography:title>Sämmtliche kleine Schriften</bibliography:title>
+					<meta:authors>
+						<meta:primaryAuthor>
+							<firstName>Immanuel</firstName>
+							<secondNames/>
+							<lastName>Kant</lastName>
+							<email/>
+							<affiliation/>
+						</meta:primaryAuthor>
+					</meta:authors>
+					<bibliography:year>1798</bibliography:year>
+					<bibliography:pages>{159-172}</bibliography:pages>
+					<bibliography:location>Königsberg u. Leipzig</bibliography:location>
+				</bibliography:bibEntry>
+				<bibliography:bibEntry>
+					<bibliography:title>I. Kant&apos;s vermischte Schriften</bibliography:title>
+					<meta:authors>
+						<meta:primaryAuthor>
+							<firstName>Immanuel</firstName>
+							<secondNames/>
+							<lastName>Kant</lastName>
+							<email/>
+							<affiliation/>
+						</meta:primaryAuthor>
+					</meta:authors>
+					<bibliography:year>1799</bibliography:year>
+					<bibliography:pages>{687-700}</bibliography:pages>
+					<bibliography:location>Halle</bibliography:location>
+				</bibliography:bibEntry>
+				<bibliography:bibEntry>
+					<bibliography:title>Vorzügliche kleine Schriften und Aufsätze</bibliography:title>
+					<meta:authors>
+						<meta:primaryAuthor>
+							<firstName>Immanuel</firstName>
+							<secondNames/>
+							<lastName>Kant</lastName>
+							<email/>
+							<affiliation/>
+						</meta:primaryAuthor>
+					</meta:authors>
+					<bibliography:year>1833</bibliography:year>
+					<bibliography:pages>{75-84}</bibliography:pages>
+					<bibliography:location>Leipzig</bibliography:location>
+				</bibliography:bibEntry>
+			</bibliography:bibliography>
+		</bibliography>
+		<book:chapter name="content">
+			<heading>
+				<headings:heading>
+					<book:text>Was ist Aufklärung?</book:text>
+				</headings:heading>
+			</heading>
+			<meta/>
+			<a:start:strong/>
+			<book:paragraph>
+				<heading/>
+				<book:text>Aufklärung ist der Ausgang des Menschen aus seiner selbstverschuldeten Unmündigkeit</book:text>
+				<a:end:strong/>
+				<book:text>.</book:text>
+			</book:paragraph>
+			<lists:ul>
+				<heading/>
+				<lists:item>
+					<a:start:emphasized/>
+					<book:text>Unmündigkeit</book:text>
+					<a:end:emphasized/>
+					<book:text>ist das Unvermögen, sich seines Verstandes ohne Leitung eines anderen zu bedienen.</book:text>
+				</lists:item>
+				<lists:item>
+					<a:start:emphasized/>
+					<book:text>Selbstverschuldet</book:text>
+					<a:end:emphasized/>
+					<book:text>ist diese Unmündigkeit, wenn die Ursache derselben nicht am Mangel des Verstandes, sondern der Entschließung und des Mutes liegt, sich seiner ohne Leitung eines andern zu bedienen.</book:text>
+				</lists:item>
+			</lists:ul>
+			<a:start:strong/>
+			<book:paragraph>
+				<heading/>
+				<book:text>Sapere aude!</book:text>
+				<a:end:strong/>
+				<book:text>Habe Mut, dich deines eigenen Verstandes zu bedienen! ist also der Wahlspruch der Aufklärung.</book:text>
+			</book:paragraph>
+		</book:chapter>
+	</book:book>
+</document>
diff --git a/testdata/integration/domain_interaction/email_typesystem.osxml b/testdata/integration/domain_interaction/email_typesystem.osxml
new file mode 100644
index 0000000..325f89a
--- /dev/null
+++ b/testdata/integration/domain_interaction/email_typesystem.osxml
@@ -0,0 +1,8 @@
+<?xml version="1.0" standalone="yes"?>
+<typesystem name="email">
+	<struct name="email">
+		<field name="local" type="string"/>
+		<field name="domainName" type="string"/>
+		<field name="domainSuffix" type="string"/>
+	</struct>
+</typesystem>
diff --git a/testdata/integration/domain_interaction/emphasis_ontology.osxml b/testdata/integration/domain_interaction/emphasis_ontology.osxml
new file mode 100644
index 0000000..0fdd63a
--- /dev/null
+++ b/testdata/integration/domain_interaction/emphasis_ontology.osxml
@@ -0,0 +1,5 @@
+<?xml version="1.0" standalone="yes"?>
+<ontology name="emphasis">
+	<annotation name="emphasized"/>
+	<annotation name="strong"/>
+</ontology>
diff --git a/testdata/integration/domain_interaction/headings_ontology.osxml b/testdata/integration/domain_interaction/headings_ontology.osxml
new file mode 100644
index 0000000..56c9e7d
--- /dev/null
+++ b/testdata/integration/domain_interaction/headings_ontology.osxml
@@ -0,0 +1,33 @@
+<?xml version="1.0" standalone="yes"?>
+<ontology name="headings">
+
+	<import rel="ontology" src="./book_ontology.osxml"/>
+
+	<struct name="heading" cardinality="1" transparent="true">
+		<!-- The parent mechanism is a curious thing. Remind yourself
+		     that parent-child-relationship in this sense are mediated
+		     by fields. So we must either reference a field that is
+		     already there or declare a new one on the fly. -->
+		<parentRef ref="book.book">
+			<field name="heading" subtree="true" optional="true"/>
+		</parentRef>
+		<parentRef ref="book.chapter">
+			<field name="heading" subtree="true" optional="true"/>
+		</parentRef>
+		<parentRef ref="book.section">
+			<field name="heading" subtree="true" optional="true"/>
+		</parentRef>
+		<parentRef ref="book.subsection">
+			<field name="heading" subtree="true" optional="true"/>
+		</parentRef>
+		<parentRef ref="book.paragraph">
+			<field name="heading" subtree="true" optional="true"/>
+		</parentRef>
+		<!-- regarding its fields we have a problem here. We do not want to
+		     declare a new field, because in fact we want to allow every
+		     bit of content that a paragraph would allow - also considering
+		     possible extensions of paragraph by other ontologies.
+		     So we need to reference the default field of paragraph. -->
+		<fieldRef ref="book.paragraph.$default"/>
+	</struct>
+</ontology>
diff --git a/testdata/integration/domain_interaction/lists_ontology.osxml b/testdata/integration/domain_interaction/lists_ontology.osxml
new file mode 100644
index 0000000..c18494a
--- /dev/null
+++ b/testdata/integration/domain_interaction/lists_ontology.osxml
@@ -0,0 +1,24 @@
+<?xml version="1.0"?>
+<ontology name="lists">
+	<import rel="ontology" src="./book_ontology"/>
+
+	<struct name="ul" isa="book.paragraph">
+		<!-- Here we solve the problem of parents using the isa
+			 mechanism, because a list may occur whereever a paragraph
+			 may occur. However we do want to override the default field. -->
+		<field>
+			<childRef ref="item"/>
+		</field>
+	</struct>
+	<struct name="ol" isa="book.paragraph">
+		<!-- Here we solve the problem of parents using the isa
+		     mechanism, because a list may occur whereever a paragraph
+		     may occur. However we do want to override the default field. -->
+		<field>
+			<childRef ref="item"/>
+		</field>
+	</struct>
+	<struct name="item">
+		<fieldRef ref="book.paragraph.$default"/>
+	</struct>
+</ontology>
diff --git a/testdata/integration/domain_interaction/meta_ontology.osxml b/testdata/integration/domain_interaction/meta_ontology.osxml
new file mode 100644
index 0000000..eb392ce
--- /dev/null
+++ b/testdata/integration/domain_interaction/meta_ontology.osxml
@@ -0,0 +1,49 @@
+<?xml version="1.0"?>
+<ontology name="meta">
+
+	<import rel="typesystem" src="./affiliation_typesystem"/>
+	<import rel="typesystem" src="./email_typesystem"/>
+	<import rel="typesystem" src="./version_typesystem"/>
+	<import rel="ontology" src="./book_ontology"/>
+
+	<struct name="meta" cardinality="{1}" transparent="true">
+		<field>
+			<childRef ref="authors"/>
+			<childRef ref="version"/>
+		</field>
+		<parentRef ref="book">
+			<field name="meta" subtree="true" optional="true"/>
+		</parentRef>
+		<parentRef ref="chapter">
+			<field name="meta" subtree="true" optional="true"/>
+		</parentRef>
+		<!-- One could also include "article" and other things here -->
+	</struct>
+
+	<struct name="person">
+		<primitive subtree="true" name="firstName" type="string"/>
+		<primitive subtree="true" name="secondNames" type="string[]" optional="true"/>
+		<primitive subtree="true" name="lastName" type="string"/>
+		<primitive subtree="true" name="email" type="email" optional="true"/>
+		<primitive subtree="true" name="affiliation" type="affiliation" optional="true"/>
+	</struct>
+
+	<!-- wrapper author tag to allow specifying no authors whatsoever. But if
+	     an author is specified it has to be at least one primary author. -->
+	<struct name="authors" transparent="true" cardinality="{0-1}">
+		<field>
+			<childRef ref="author"/>
+		</field>
+	</struct>
+
+	<!-- no explicit cardinality, because we might have multiple authors -->
+	<struct name="author" isa="person"/>
+
+	<!-- but we need at least one primary author -->
+	<struct name="primaryAuthor" cardinality="{>0}" isa="author"/>
+
+	<!-- version intermediate struct -->
+	<struct name="version" cardinality="{0-1}">
+		<primitive type="version"/>
+	</struct>
+</ontology>
diff --git a/testdata/integration/domain_interaction/simple_annotation.in.osxml b/testdata/integration/domain_interaction/simple_annotation.in.osxml
new file mode 100644
index 0000000..c0f426a
--- /dev/null
+++ b/testdata/integration/domain_interaction/simple_annotation.in.osxml
@@ -0,0 +1,10 @@
+<?xml version="1.0" standalone="yes"?>
+<document>
+	<import rel="ontology" src="./book_ontology.osxml"/>
+	<import rel="ontology" src="./comments_ontology.osxml"/>
+
+	<book>
+		This is a <a:start:comment>This is not a nice test!</a:start:comment>test<a:end:comment/>.
+	</book>
+</document>
+
diff --git a/testdata/integration/domain_interaction/simple_annotation.out.osxml b/testdata/integration/domain_interaction/simple_annotation.out.osxml
new file mode 100644
index 0000000..f4999f6
--- /dev/null
+++ b/testdata/integration/domain_interaction/simple_annotation.out.osxml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<document xmlns:book="book" xmlns:comments="comments">
+	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/book_ontology.osxml"/>
+	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/comments_ontology.osxml"/>
+	<book:book>
+		<book:paragraph>
+			<book:text>This is a</book:text>
+			<a:start:comment>
+				<replies/>
+				<book:paragraph>
+					<book:text>This is not a nice test!</book:text>
+				</book:paragraph>
+			</a:start:comment>
+			<book:text>test</book:text>
+			<a:end:comment/>
+			<book:text>.</book:text>
+		</book:paragraph>
+	</book:book>
+</document>
diff --git a/testdata/integration/domain_interaction/version_typesystem.osxml b/testdata/integration/domain_interaction/version_typesystem.osxml
new file mode 100644
index 0000000..0d52736
--- /dev/null
+++ b/testdata/integration/domain_interaction/version_typesystem.osxml
@@ -0,0 +1,8 @@
+<?xml version="1.0" standalone="yes"?>
+<typesystem name="version">
+	<struct name="version">
+		<field name="major" type="int"/>
+		<field name="minor" type="int"/>
+		<field name="patch" type="int"/>
+	</struct>
+</typesystem>
diff --git a/testdata/integration/osxml/affiliation_typesystem.osxml b/testdata/integration/osxml/affiliation_typesystem.osxml
deleted file mode 100644
index d84dc30..0000000
--- a/testdata/integration/osxml/affiliation_typesystem.osxml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" standalone="yes"?>
-<typesystem name="affiliation">
-	<struct name="affiliation">
-		<field name="workgroup" type="string"/>
-		<field name="departement" type="string"/>
-		<field name="institution" type="string"/>
-	</struct>
-
-	<constant name="citec.sc" type="affiliation" value="[workgroup=Semantic Computing Group,departement=Center of Excellence Cognitive Interaction Technology (CITEC), institution=Bielefeld University]"/>
-</typesystem>
diff --git a/testdata/integration/osxml/bibliography_ontology.osxml b/testdata/integration/osxml/bibliography_ontology.osxml
deleted file mode 100644
index 0333133..0000000
--- a/testdata/integration/osxml/bibliography_ontology.osxml
+++ /dev/null
@@ -1,42 +0,0 @@
-<?xml version="1.0"?>
-<ontology name="bibliography">
-
-	<import rel="ontology" src="./book_ontology"/>
-	<import rel="ontology" src="./meta_ontology"/>
-
-	<struct name="bibliography" transparent="true">
-		<field>
-			<childRef ref="bibEntry"/>
-		</field>
-		<parentRef ref="book">
-			<field name="bibliography" subtree="true"/>
-		</parentRef>
-	</struct>
-	<struct name="bibEntry">
-		<field>
-			<childRef ref="meta.authors"/>
-			<childRef ref="title"/>
-			<childRef ref="year"/>
-			<childRef ref="journal"/>
-			<childRef ref="pages"/>
-			<childRef ref="location"/>
-		</field>
-	</struct>
-	<struct name="title" cardinality="{1}">
-		<primitive type="string"/>
-	</struct>
-	<struct name="year" cardinality="{1}">
-		<primitive type="int"/>
-	</struct>
-	<struct name="journal" cardinality="{0-1}">
-		<!-- here some kind of database reference would be better -->
-		<primitive type="string"/>
-	</struct>
-	<struct name="pages" cardinality="{0-1}">
-		<primitive type="cardinality"/>
-	</struct>
-	<struct name="location" cardinality="{0-1}">
-		<!-- here some kind of database reference would be better -->
-		<primitive type="string"/>
-	</struct>
-</ontology>
diff --git a/testdata/integration/osxml/book_ontology.osxml b/testdata/integration/osxml/book_ontology.osxml
deleted file mode 100644
index 2c615ca..0000000
--- a/testdata/integration/osxml/book_ontology.osxml
+++ /dev/null
@@ -1,35 +0,0 @@
-<?xml version="1.0" standalone="yes"?>
-<!-- The ontology node is the root node of a single ontology definition -->
-<ontology name="book">
-	<struct name="book" cardinality="{1}" root="true">
-		<field>
-			<childRef ref="book.chapter"/>
-			<childRef ref="book.paragraph"/>
-		</field>
-	</struct>
-	<struct name="chapter">
-		<field>
-			<childRef ref="book.section"/>
-			<childRef ref="book.paragraph"/>
-		</field>
-	</struct>
-	<struct name="section">
-		<field>
-			<childRef ref="book.subsection"/>
-			<childRef ref="book.paragraph"/>
-		</field>
-	</struct>
-	<struct name="subsection">
-		<field>
-			<childRef ref="book.paragraph"/>
-		</field>
-	</struct>
-	<struct name="paragraph" transparent="true">
-		<field>
-			<childRef ref="book.text"/>
-		</field>
-	</struct>
-	<struct name="text" transparent="true">
-		<primitive type="string"/>
-	</struct>
-</ontology>
diff --git a/testdata/integration/osxml/comments_ontology.osxml b/testdata/integration/osxml/comments_ontology.osxml
deleted file mode 100644
index 34185d8..0000000
--- a/testdata/integration/osxml/comments_ontology.osxml
+++ /dev/null
@@ -1,40 +0,0 @@
-<?xml version="1.0" standalone="yes"?>
-<ontology name="comments">
-	<import rel="ontology" src="./book_ontology.osxml"/>
-
-	<!-- an annotation comment -->
-	<annotation name="comment">
-		<field name="replies" subtree="true">
-			<childRef ref="reply"/>
-		</field>
-		<field name="content">
-			<childRef ref="book.paragraph"/>
-		</field>
-	</annotation>
-
-	<!-- an point-like structure comment. -->
-	<struct name="comment">
-		<!-- Is there a chance to prevent users from having to redefine these
-		     two fields in comment and reply? Could we use a fieldRef here?
-		     Or would that be circular? -->
-		<field name="replies" subtree="true">
-			<childRef ref="reply"/>
-		</field>
-		<field name="content">
-			<childRef ref="book.paragraph"/>
-		</field>
-		<parentRef ref="book.paragraph">
-			<fieldRef ref="$default"/>
-		</parentRef>
-	</struct>
-	<!-- note that replies are organized in a tree fashion: One can also reply
-	     to a reply -->
-	<struct name="reply">
-		<field name="replies" subtree="true">
-			<childRef ref="reply"/>
-		</field>
-		<field name="content">
-			<childRef ref="book.paragraph"/>
-		</field>
-	</struct>
-</ontology>
diff --git a/testdata/integration/osxml/complex_book.in.osxml b/testdata/integration/osxml/complex_book.in.osxml
deleted file mode 100644
index 8eb5f26..0000000
--- a/testdata/integration/osxml/complex_book.in.osxml
+++ /dev/null
@@ -1,107 +0,0 @@
-<?xml version="1.0"?>
-<document>
-
-	<import rel="ontology" src="./book_ontology"/>
-	<import rel="ontology" src="./headings_ontology"/>
-	<import rel="ontology" src="./meta_ontology"/>
-	<import rel="ontology" src="./bibliography_ontology"/>
-	<import rel="ontology" src="./lists_ontology"/>
-	<import rel="ontology" src="./emphasis_ontology"/>
-	<import rel="ontology" src="./comments_ontology"/>
-	<!--<alias tag="paragraph" aka="p"/>
-	<alias tag="emphasized" aka="em"/>-->
-	
-	<book>
-		<meta>
-			<primaryAuthor>
-				<firstName>Immanuel</firstName>
-				<lastName>Kant</lastName>
-				<email>[ikant,philo.albertus-koenigsberg,de]</email>
-				<affiliation>[Logic and Metaphysics, Faculty of Philosophy, Albertus-University Königsberg]</affiliation>
-			</primaryAuthor>
-			<version>[1,0,0]</version>
-		</meta>
-
-		<bibliography>
-			<bibEntry>
-				<title>Dezember-Heft</title>
-				<journal>Berlinische Monatsschrift</journal>
-				<year>1784</year>
-				<pages>{481-494}</pages>
-			</bibEntry>
-			<bibEntry>
-				<title>Kleine Schriften</title>
-				<primaryAuthor>
-					<firstName>Immanuel</firstName>
-					<lastName>Kant</lastName>
-				</primaryAuthor>
-				<year>1793</year>
-				<pages>{34-50}</pages>
-				<location>Neuwied</location>
-			</bibEntry>
-			<bibEntry>
-				<title>Zerstreute Aufsätze</title>
-				<primaryAuthor>
-					<firstName>Immanuel</firstName>
-					<lastName>Kant</lastName>
-				</primaryAuthor>
-				<year>1793</year>
-				<pages>{25-37}</pages>
-				<location>Frankfurt und Leipzig</location>
-			</bibEntry>
-			<bibEntry>
-				<title>Sämmtliche kleine Schriften</title>
-				<primaryAuthor>
-					<firstName>Immanuel</firstName>
-					<lastName>Kant</lastName>
-				</primaryAuthor>
-				<year>1798</year>
-				<pages>{159-172}</pages>
-				<location>Königsberg u. Leipzig</location>
-			</bibEntry>
-			<bibEntry>
-				<title>I. Kant's vermischte Schriften</title>
-				<primaryAuthor>
-					<firstName>Immanuel</firstName>
-					<lastName>Kant</lastName>
-				</primaryAuthor>
-				<year>1799</year>
-				<pages>{687-700}</pages>
-				<location>Halle</location>
-			</bibEntry>
-			<bibEntry>
-				<title>Vorzügliche kleine Schriften und Aufsätze</title>
-				<primaryAuthor>
-					<firstName>Immanuel</firstName>
-					<lastName>Kant</lastName>
-				</primaryAuthor>
-				<year>1833</year>
-				<pages>{75-84}</pages>
-				<location>Leipzig</location>
-			</bibEntry>
-		</bibliography>
-	
-		<heading>
-			Beantwortung der Frage: Was ist Aufklärung?
-		</heading>
-		
-		<chapter name="content">
-			<heading>Was ist Aufklärung?</heading>
-
-			<a:start:strong/>Aufklärung ist der Ausgang des Menschen aus seiner
-			selbstverschuldeten Unmündigkeit<a:end:strong/>.
-			<ul>
-				<item><a:start:emphasized/>Unmündigkeit<a:end:emphasized/> ist
-			das Unvermögen, sich seines Verstandes ohne Leitung eines anderen zu
-			bedienen.</item>
-				<item><a:start:emphasized/>Selbstverschuldet<a:end:emphasized/>
-			ist diese Unmündigkeit, wenn die Ursache derselben nicht am Mangel
-			des Verstandes, sondern der Entschließung und des Mutes liegt, sich
-			seiner ohne Leitung eines andern zu bedienen.</item>
-			</ul>
-			<a:start:strong/>Sapere aude!<a:end:strong/> Habe Mut, dich deines
-			eigenen Verstandes zu bedienen! ist also der Wahlspruch der
-			Aufklärung.
-		</chapter>
-	</book>
-</document>
diff --git a/testdata/integration/osxml/complex_book.out.osxml b/testdata/integration/osxml/complex_book.out.osxml
deleted file mode 100644
index 17c40d1..0000000
--- a/testdata/integration/osxml/complex_book.out.osxml
+++ /dev/null
@@ -1,165 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<document xmlns:bibliography="bibliography" xmlns:book="book" xmlns:comments="comments" xmlns:emphasis="emphasis" xmlns:headings="headings" xmlns:lists="lists" xmlns:meta="meta">
-	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/book_ontology.osxml"/>
-	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/headings_ontology.osxml"/>
-	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/meta_ontology.osxml"/>
-	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/bibliography_ontology.osxml"/>
-	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/lists_ontology.osxml"/>
-	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/emphasis_ontology.osxml"/>
-	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/comments_ontology.osxml"/>
-	<book:book>
-		<heading>
-			<headings:heading>
-				<book:text>Beantwortung der Frage: Was ist Aufklärung?</book:text>
-			</headings:heading>
-		</heading>
-		<meta>
-			<meta:meta>
-				<meta:authors>
-					<meta:primaryAuthor>
-						<firstName>Immanuel</firstName>
-						<secondNames/>
-						<lastName>Kant</lastName>
-						<email>[
-	&quot;domainName&quot;= &quot;philo.albertus-koenigsberg&quot;,
-	&quot;domainSuffix&quot;= &quot;de&quot;,
-	&quot;local&quot;= &quot;ikant&quot;
-]</email>
-						<affiliation>[
-	&quot;departement&quot;= &quot;Faculty of Philosophy&quot;,
-	&quot;institution&quot;= &quot;Albertus-University Königsberg&quot;,
-	&quot;workgroup&quot;= &quot;Logic and Metaphysics&quot;
-]</affiliation>
-					</meta:primaryAuthor>
-				</meta:authors>
-				<meta:version>[
-	&quot;major&quot;= 1,
-	&quot;minor&quot;= 0,
-	&quot;patch&quot;= 0
-]</meta:version>
-			</meta:meta>
-		</meta>
-		<bibliography>
-			<bibliography:bibliography>
-				<bibliography:bibEntry>
-					<bibliography:title>Dezember-Heft</bibliography:title>
-					<bibliography:journal>Berlinische Monatsschrift</bibliography:journal>
-					<bibliography:year>1784</bibliography:year>
-					<bibliography:pages>{481-494}</bibliography:pages>
-				</bibliography:bibEntry>
-				<bibliography:bibEntry>
-					<bibliography:title>Kleine Schriften</bibliography:title>
-					<meta:authors>
-						<meta:primaryAuthor>
-							<firstName>Immanuel</firstName>
-							<secondNames/>
-							<lastName>Kant</lastName>
-							<email/>
-							<affiliation/>
-						</meta:primaryAuthor>
-					</meta:authors>
-					<bibliography:year>1793</bibliography:year>
-					<bibliography:pages>{34-50}</bibliography:pages>
-					<bibliography:location>Neuwied</bibliography:location>
-				</bibliography:bibEntry>
-				<bibliography:bibEntry>
-					<bibliography:title>Zerstreute Aufsätze</bibliography:title>
-					<meta:authors>
-						<meta:primaryAuthor>
-							<firstName>Immanuel</firstName>
-							<secondNames/>
-							<lastName>Kant</lastName>
-							<email/>
-							<affiliation/>
-						</meta:primaryAuthor>
-					</meta:authors>
-					<bibliography:year>1793</bibliography:year>
-					<bibliography:pages>{25-37}</bibliography:pages>
-					<bibliography:location>Frankfurt und Leipzig</bibliography:location>
-				</bibliography:bibEntry>
-				<bibliography:bibEntry>
-					<bibliography:title>Sämmtliche kleine Schriften</bibliography:title>
-					<meta:authors>
-						<meta:primaryAuthor>
-							<firstName>Immanuel</firstName>
-							<secondNames/>
-							<lastName>Kant</lastName>
-							<email/>
-							<affiliation/>
-						</meta:primaryAuthor>
-					</meta:authors>
-					<bibliography:year>1798</bibliography:year>
-					<bibliography:pages>{159-172}</bibliography:pages>
-					<bibliography:location>Königsberg u. Leipzig</bibliography:location>
-				</bibliography:bibEntry>
-				<bibliography:bibEntry>
-					<bibliography:title>I. Kant&apos;s vermischte Schriften</bibliography:title>
-					<meta:authors>
-						<meta:primaryAuthor>
-							<firstName>Immanuel</firstName>
-							<secondNames/>
-							<lastName>Kant</lastName>
-							<email/>
-							<affiliation/>
-						</meta:primaryAuthor>
-					</meta:authors>
-					<bibliography:year>1799</bibliography:year>
-					<bibliography:pages>{687-700}</bibliography:pages>
-					<bibliography:location>Halle</bibliography:location>
-				</bibliography:bibEntry>
-				<bibliography:bibEntry>
-					<bibliography:title>Vorzügliche kleine Schriften und Aufsätze</bibliography:title>
-					<meta:authors>
-						<meta:primaryAuthor>
-							<firstName>Immanuel</firstName>
-							<secondNames/>
-							<lastName>Kant</lastName>
-							<email/>
-							<affiliation/>
-						</meta:primaryAuthor>
-					</meta:authors>
-					<bibliography:year>1833</bibliography:year>
-					<bibliography:pages>{75-84}</bibliography:pages>
-					<bibliography:location>Leipzig</bibliography:location>
-				</bibliography:bibEntry>
-			</bibliography:bibliography>
-		</bibliography>
-		<book:chapter name="content">
-			<heading>
-				<headings:heading>
-					<book:text>Was ist Aufklärung?</book:text>
-				</headings:heading>
-			</heading>
-			<meta/>
-			<a:start:strong/>
-			<book:paragraph>
-				<heading/>
-				<book:text>Aufklärung ist der Ausgang des Menschen aus seiner selbstverschuldeten Unmündigkeit</book:text>
-				<a:end:strong/>
-				<book:text>.</book:text>
-			</book:paragraph>
-			<lists:ul>
-				<heading/>
-				<lists:item>
-					<a:start:emphasized/>
-					<book:text>Unmündigkeit</book:text>
-					<a:end:emphasized/>
-					<book:text>ist das Unvermögen, sich seines Verstandes ohne Leitung eines anderen zu bedienen.</book:text>
-				</lists:item>
-				<lists:item>
-					<a:start:emphasized/>
-					<book:text>Selbstverschuldet</book:text>
-					<a:end:emphasized/>
-					<book:text>ist diese Unmündigkeit, wenn die Ursache derselben nicht am Mangel des Verstandes, sondern der Entschließung und des Mutes liegt, sich seiner ohne Leitung eines andern zu bedienen.</book:text>
-				</lists:item>
-			</lists:ul>
-			<a:start:strong/>
-			<book:paragraph>
-				<heading/>
-				<book:text>Sapere aude!</book:text>
-				<a:end:strong/>
-				<book:text>Habe Mut, dich deines eigenen Verstandes zu bedienen! ist also der Wahlspruch der Aufklärung.</book:text>
-			</book:paragraph>
-		</book:chapter>
-	</book:book>
-</document>
diff --git a/testdata/integration/osxml/email_typesystem.osxml b/testdata/integration/osxml/email_typesystem.osxml
deleted file mode 100644
index 325f89a..0000000
--- a/testdata/integration/osxml/email_typesystem.osxml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" standalone="yes"?>
-<typesystem name="email">
-	<struct name="email">
-		<field name="local" type="string"/>
-		<field name="domainName" type="string"/>
-		<field name="domainSuffix" type="string"/>
-	</struct>
-</typesystem>
diff --git a/testdata/integration/osxml/emphasis_ontology.osxml b/testdata/integration/osxml/emphasis_ontology.osxml
deleted file mode 100644
index 0fdd63a..0000000
--- a/testdata/integration/osxml/emphasis_ontology.osxml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" standalone="yes"?>
-<ontology name="emphasis">
-	<annotation name="emphasized"/>
-	<annotation name="strong"/>
-</ontology>
diff --git a/testdata/integration/osxml/headings_ontology.osxml b/testdata/integration/osxml/headings_ontology.osxml
deleted file mode 100644
index 56c9e7d..0000000
--- a/testdata/integration/osxml/headings_ontology.osxml
+++ /dev/null
@@ -1,33 +0,0 @@
-<?xml version="1.0" standalone="yes"?>
-<ontology name="headings">
-
-	<import rel="ontology" src="./book_ontology.osxml"/>
-
-	<struct name="heading" cardinality="1" transparent="true">
-		<!-- The parent mechanism is a curious thing. Remind yourself
-		     that parent-child-relationship in this sense are mediated
-		     by fields. So we must either reference a field that is
-		     already there or declare a new one on the fly. -->
-		<parentRef ref="book.book">
-			<field name="heading" subtree="true" optional="true"/>
-		</parentRef>
-		<parentRef ref="book.chapter">
-			<field name="heading" subtree="true" optional="true"/>
-		</parentRef>
-		<parentRef ref="book.section">
-			<field name="heading" subtree="true" optional="true"/>
-		</parentRef>
-		<parentRef ref="book.subsection">
-			<field name="heading" subtree="true" optional="true"/>
-		</parentRef>
-		<parentRef ref="book.paragraph">
-			<field name="heading" subtree="true" optional="true"/>
-		</parentRef>
-		<!-- regarding its fields we have a problem here. We do not want to
-		     declare a new field, because in fact we want to allow every
-		     bit of content that a paragraph would allow - also considering
-		     possible extensions of paragraph by other ontologies.
-		     So we need to reference the default field of paragraph. -->
-		<fieldRef ref="book.paragraph.$default"/>
-	</struct>
-</ontology>
diff --git a/testdata/integration/osxml/lists_ontology.osxml b/testdata/integration/osxml/lists_ontology.osxml
deleted file mode 100644
index c18494a..0000000
--- a/testdata/integration/osxml/lists_ontology.osxml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0"?>
-<ontology name="lists">
-	<import rel="ontology" src="./book_ontology"/>
-
-	<struct name="ul" isa="book.paragraph">
-		<!-- Here we solve the problem of parents using the isa
-			 mechanism, because a list may occur whereever a paragraph
-			 may occur. However we do want to override the default field. -->
-		<field>
-			<childRef ref="item"/>
-		</field>
-	</struct>
-	<struct name="ol" isa="book.paragraph">
-		<!-- Here we solve the problem of parents using the isa
-		     mechanism, because a list may occur whereever a paragraph
-		     may occur. However we do want to override the default field. -->
-		<field>
-			<childRef ref="item"/>
-		</field>
-	</struct>
-	<struct name="item">
-		<fieldRef ref="book.paragraph.$default"/>
-	</struct>
-</ontology>
diff --git a/testdata/integration/osxml/meta_ontology.osxml b/testdata/integration/osxml/meta_ontology.osxml
deleted file mode 100644
index eb392ce..0000000
--- a/testdata/integration/osxml/meta_ontology.osxml
+++ /dev/null
@@ -1,49 +0,0 @@
-<?xml version="1.0"?>
-<ontology name="meta">
-
-	<import rel="typesystem" src="./affiliation_typesystem"/>
-	<import rel="typesystem" src="./email_typesystem"/>
-	<import rel="typesystem" src="./version_typesystem"/>
-	<import rel="ontology" src="./book_ontology"/>
-
-	<struct name="meta" cardinality="{1}" transparent="true">
-		<field>
-			<childRef ref="authors"/>
-			<childRef ref="version"/>
-		</field>
-		<parentRef ref="book">
-			<field name="meta" subtree="true" optional="true"/>
-		</parentRef>
-		<parentRef ref="chapter">
-			<field name="meta" subtree="true" optional="true"/>
-		</parentRef>
-		<!-- One could also include "article" and other things here -->
-	</struct>
-
-	<struct name="person">
-		<primitive subtree="true" name="firstName" type="string"/>
-		<primitive subtree="true" name="secondNames" type="string[]" optional="true"/>
-		<primitive subtree="true" name="lastName" type="string"/>
-		<primitive subtree="true" name="email" type="email" optional="true"/>
-		<primitive subtree="true" name="affiliation" type="affiliation" optional="true"/>
-	</struct>
-
-	<!-- wrapper author tag to allow specifying no authors whatsoever. But if
-	     an author is specified it has to be at least one primary author. -->
-	<struct name="authors" transparent="true" cardinality="{0-1}">
-		<field>
-			<childRef ref="author"/>
-		</field>
-	</struct>
-
-	<!-- no explicit cardinality, because we might have multiple authors -->
-	<struct name="author" isa="person"/>
-
-	<!-- but we need at least one primary author -->
-	<struct name="primaryAuthor" cardinality="{>0}" isa="author"/>
-
-	<!-- version intermediate struct -->
-	<struct name="version" cardinality="{0-1}">
-		<primitive type="version"/>
-	</struct>
-</ontology>
diff --git a/testdata/integration/osxml/simple_annotation.in.osxml b/testdata/integration/osxml/simple_annotation.in.osxml
deleted file mode 100644
index c0f426a..0000000
--- a/testdata/integration/osxml/simple_annotation.in.osxml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" standalone="yes"?>
-<document>
-	<import rel="ontology" src="./book_ontology.osxml"/>
-	<import rel="ontology" src="./comments_ontology.osxml"/>
-
-	<book>
-		This is a <a:start:comment>This is not a nice test!</a:start:comment>test<a:end:comment/>.
-	</book>
-</document>
-
diff --git a/testdata/integration/osxml/simple_annotation.out.osxml b/testdata/integration/osxml/simple_annotation.out.osxml
deleted file mode 100644
index f4999f6..0000000
--- a/testdata/integration/osxml/simple_annotation.out.osxml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<document xmlns:book="book" xmlns:comments="comments">
-	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/book_ontology.osxml"/>
-	<import rel="ontology" src="/home/bpaassen/GIT/ousia-src/testdata/integration/osxml/comments_ontology.osxml"/>
-	<book:book>
-		<book:paragraph>
-			<book:text>This is a</book:text>
-			<a:start:comment>
-				<replies/>
-				<book:paragraph>
-					<book:text>This is not a nice test!</book:text>
-				</book:paragraph>
-			</a:start:comment>
-			<book:text>test</book:text>
-			<a:end:comment/>
-			<book:text>.</book:text>
-		</book:paragraph>
-	</book:book>
-</document>
diff --git a/testdata/integration/osxml/version_typesystem.osxml b/testdata/integration/osxml/version_typesystem.osxml
deleted file mode 100644
index 0d52736..0000000
--- a/testdata/integration/osxml/version_typesystem.osxml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" standalone="yes"?>
-<typesystem name="version">
-	<struct name="version">
-		<field name="major" type="int"/>
-		<field name="minor" type="int"/>
-		<field name="patch" type="int"/>
-	</struct>
-</typesystem>
-- 
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