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Open Annotation Model

Open Annotation Model

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Open Annotation Model

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  1. Open Annotation Model http://www.w3.org/community/openannotation/

  2. OA Model • Basic model: • Annotation • Body • Target • Implicit annotates relationship between Body and Target (i.e. Body is ‘about’ the Target) • Body and target of an annotation can be of any media type.

  3. Additional Properties • Typical annotation characteristics: • Annotation created by an author (human, software agent) • Annotation occurred at a particular point in time Body and Target may have different authors

  4. Segments of Resources • Most annotations are about part of a resource • Different segments for different media types: • Text: paragraph, arbitrary span of words • Image: rectangle or polygon • Audio: start and end times • Video: area and times

  5. Example Annotation Print: Using OAC:

  6. Example RDF <http://openannotation.metadata.net/lorestore/oac/0F36EA7771FDDCCF> dc:language "en" ; dc:title "Go thou and do likewise" ; dcterms:created "2012-03-22T13:32:29.084+10:00"^^dcterms:W3CDTF; oac:hasBody <urn:uuid:F5370815-2736-4736-A0AA-732F20FCAFEA> ; a <http://www.openannotation.org/ns/Annotation> ; a <http://openannotation.metadata.net/ns/lit-annotation-ns#ExplanatoryNote> ; oac:hasTarget <http://openannotation.metadata.net/index.php?option=com_mvd&view =MVDSingle&name=furphy&version1=2#xpointer(string-range(id("id1165964500664"), "", 431, 26))> dcterms:creator <http://openannotation.metadata.net/lorestore/users/test> . <urn:uuid:F5370815-2736-4736-A0AA-732F20FCAFEA> a <http://www.w3.org/2011/content#ContentAsText> ; cnt:characterEncoding "UTF-8" ; cnt:chars "Cf. 'Go and do thou likewise' (Luke 10:37), but in the context of procreation, perhaps a faint echo of ‚ ‘Be fruitful, and multiply, and replenish the earth (Genesis 1:28)" . <http://openannotation.metadata.net/index.php?option=com_mvd&view=MVDSingle&name =furphy&version1=2#xpointer(string-range(id("id1165964500664"), "", 431, 26))> dcterms:isPartOf <http://openannotation.metadata.net/index.php?option=com_mvd&view=MVDSingle&name =furphy&version1=2> . <http://openannotation.metadata.net/lorestore/users/test> a <http://xmlns.com/foaf/0.1/Agent> ; foaf:name "Roger Osborne" .

  7. Collaboration & discussion

  8. Example RDF @prefix oa: <http://www.openannotation.org/ns/> . @prefix oax: <http://www.openannotation.org/ns/> . @prefix cnt: <http://www.w3.org/2011/content#> . @prefix ex: <http://www.example.org/#> . ex:anno1 oax:hasSemanticTag <http://itee.uq.edu.au/eresearch/3dsa_ontology#kalathros> . ex:anno1 oax:hasSemanticTag <http://itee.uq.edu.au/eresearch/3dsa_ontology#vase> . ex:anno1 oa:hasTarget <http://itee.uq.edu.au/eresearch/3dsa/vase1> . ex:anno1 oa:hasBody <urn:uuid:074360F6-19F9-49A0-83BF-A07FEEF09D5E> . <urn:uuid:074360F6-19F9-49A0-83BF-A07FEEF09D5E> a cnt:ContentAsText; cnt:characterEncoding "UTF-8" ; cnt:chars "The woman holds a lidded bowl over a kalathros (wool basket)" .

  9. LORE lore • Firefox add-on • create, edit, search, browse annotations and resource maps github.com/auselit/lore/