DOI Workshop

DOI Workshop

Metadata interoperability for real Godfrey Rust, Ontologyx DOI Metadata consultant Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June 2004 Metadata interoperability for real Crossref Crossref crossref3.0.0.xml Godfrey Rust, Ontologyx Rightscom 2004 mEDRA mEDRA ONIXMedraSerialArticle.xml Presentation to DOI Members meeting June

2004 Metadata interoperability for real Crossref Crossref crossref3.0.0.xml Godfrey Rust, Ontologyx Rightscom 2004 mEDRA mEDRA XsltTransform.xsl ONIXMedraSerialArticle.xml Presentation to DOI Members meeting June 2004 Metadata interoperability semantic problems 1. Different names (and languages) for the same thing (journal_article vs SerialArticleWork)

2. Data elements at different levels of speciality (title vs FullTitle,AlternativeTitle). 3. Different allowed values for elements (pii vs not pii) 4. Data at different levels of granularity (journal_article vs SerialArticleWork/SerialArticleVersion). 5. Data in different structures (article as attribute of journal or vice versa). 6. Data from different sources (local codes vs ONIX codes). 7.

Contextual meaning (DOI of what?) 8. Different representation (1 title vs n titles). 9. Different mandatory requirements (ISSN mandatory vs optional). 10. Schemas are being updated all the time. All this is tricky one-to-one. Many-to-many it is a nightmare. Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June 2004 Metadata interoperability problems Crossref Crossref crossref3.0.0.xml

Godfrey Rust, Ontologyx Rightscom 2004 mEDRA mEDRA XsltTransform.xsl ONIXMedraSerialArticle.xml Presentation to DOI Members meeting June 2004 Metadata interoperability problems Crossref Crossref crossref3.0.0.xml mEDRA mEDRA XsltTransform.xsl ONIXMedraSerialArticle.xml

XsltTransform.xsl XsltTransform.xsl CALJournalArticle.xml CAL CAL Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June 2004 Metadata interoperability problems Crossref Crossref mEDRA mEDRA crossref3.0.0.xml

XsltTransform.xsl ONIXMedraSerialArticle.xml XsltTransform.xsl XsltTransform.xsl XsltTransform.xsl AnyJournalMetadata.xml XsltTransform.xsl CALJournalArticle.xml Any AnyRA RA Godfrey Rust, Ontologyx Rightscom 2004 CAL CAL

Presentation to DOI Members meeting June 2004 Metadata interoperability solutions 1. iDD (indecs Data Dictionary): contextual mapping of terms and schemas to the IDFs data dictionary (or ontology). 2. RMD (Resource Metadata Declaration): a single interchange schema for a domain supported by the iDD (journalRMD is the prototype) 3. Cross-domain interoperability: an underlying generic interchange scheme (COA). Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June

2004 iDD (indecs Data Dictionary) Starts from the indecs contecs:dd Context Model. Built on the Contextual Ontologyx Architecture (COA), the formal manifestation of the indecs framework model by Ontologyx: Primitive Elements Context, Time, Place, Resource Representatives Descriptor, Name, Identifier, Annotation Category Type, Aspect, Quality, Quantity, Flag Composite Relators IsSubClassOf, IsSubRelatorOf, IsA, IsSameAs, IsReciprocalOf, HasPart, HasElement, HasCardinality, HasDataType etc This represents an ontology language (extensible to cover OWL and other axioms) which provides the iDDs computing power). iDD is an ontology of ontologies. Contains other dictionaries or schemes in full (including representations of messages). Built entirely out of triples (expressed in XML/RDF): eg FullTitle IsSubClassOf Title. Extremely flexible: iDD is a database of relationships, not just a list or set of tables. Godfrey Rust, Ontologyx Rightscom 2004

Presentation to DOI Members meeting June 2004 iDD tackling interoperability problems 1. iDD maps different names (and languages) for the same thing (journal_article vs SerialArticleWork) 2. iDD hierarchy links data elements at different levels of speciality (title vs FullTitle,AlternativeTitle). 3. iDD manages different allowed values for elements. 4. iDD stores data at different levels of granularity (journal_article vs SerialArticleWork/SerialArticleVersion). 5.

iDD stores data in different structures (article as attribute of journal or vice versa). 6. iDD stores data from different sources (local codes vs ONIX codes). 7. iDD maps contextual meaning (DOI of what?) 8. iDD maps different representation (1 title vs n titles). 9. iDD identifies different mandatory requirements (ISSN mandatory vs optional). 10. iDD supports schemas being updated all the time. (Health warning: some of this functionality is only partially developed, but the semantics to support it are built into the ontology ) Godfrey Rust, Ontologyx Rightscom

2004 Presentation to DOI Members meeting June 2004 iDD first release Will contain only the terms needed to support the schemas that are mapped into it (Crossref, mEDRA, CAL journal schemes). Other terms added or released as needed. Current draft shown here as an html view. [This slide was followed by an interactive demonstration of the iDD]. Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June 2004 Metadata interoperability via journalRMD Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June 2004

Metadata interoperability via journalRMD BEFORE Crossref Crossref mEDRA mEDRA crossref3.0.0.xml XsltTransform.xsl ONIXMedraSerialArticle.xml XsltTransform.xsl XsltTransform.xsl XsltTransform.xsl AnyJournalMetadata.xml XsltTransform.xsl

CALJournalArticle.xml Any AnyRA RA Godfrey Rust, Ontologyx Rightscom 2004 CAL CAL Presentation to DOI Members meeting June 2004 Metadata interoperability via journalRMD After Crossref Crossref mEDRA mEDRA crossref3.0.0.xml

ONIXMedraSerialArticle.xml XsltTransform.xsl XsltTransform.xsl journalRMD.xml XsltTransform.xsl AnyJournalMetadata.xml Any AnyRA RA Godfrey Rust, Ontologyx Rightscom 2004 XsltTransform.xsl CALJournalArticle.xml CAL CAL

Presentation to DOI Members meeting June 2004 ournalRMD (Journal Resource Metadata Declaration) An XML schema for journal metadata supporting Crossref, mEDRA, CAL and other likely requirements. Prototype for RMDs for any other domains (bookRMD, coursepackRMD) journalRMD is designed for interchange: it is not a replacement for eg Crossref or ONIX messages (though it could be used by anyone). It is similar to Crossref and mEDRA, but richer and less customized. For example journalRMD allows for registration of DOIs issued against Journals, Volumes, Issues and Articles, and their Fixations (8 different ResourceTypes where mEDRA and Crossref have no more than four). journalRMD allows for the use of DOIs to link all Resources. CAL will base their schema on journalRMD, but will probably customize. Requires XSLT transforms from Crossref, mEDRA and other participants (being done). iDD mappings support automated change management of mappings and allowed values Godfrey Rust, Ontologyx Rightscom 2004

Presentation to DOI Members meeting June 2004 Metadata interoperability via journalRMD Crossref Crossref mEDRA mEDRA crossref3.0.0.xml ONIXMedraSerialArticle.xml XsltTransform.xsl XsltTransform.xsl journalRMD.xml XsltTransform.xsl AnyJournalMetadata.xml

Any AnyRA RA Godfrey Rust, Ontologyx Rightscom 2004 XsltTransform.xsl CALJournalArticle.xml CAL CAL Presentation to DOI Members meeting June 2004 Metadata interoperability via journalRMD Crossref Crossref mEDRA mEDRA

crossref3.0.0.xml ONIXMedraSerialArticle.xml XsltTransform.xsl XsltTransform.xsl journalRMD.xml XsltTransform.xsl Update AnyJournalMetadata.xml Any AnyRA RA Map terms and schemes Godfrey Rust, Ontologyx Rightscom

2004 XsltTransform.xsl CALJournalArticle.xml iDD iDD CAL CAL Presentation to DOI Members meeting June 2004 Metadata interoperability via journalRMD Crossref Crossref mEDRA mEDRA crossref3.0.0.xml

ONIXMedraSerialArticle.xml XsltTransform.xsl XsltTransform.xsl journalRMD.xml XsltTransform.xsl Update XsltTransform.xsl AnyJournalMetadata.xml Any AnyRA RA CALJournalArticle.xml Map terms and schemes

Godfrey Rust, Ontologyx Rightscom 2004 iDD iDD THE VIRUS CHECKER MODEL CAL CAL Presentation to DOI Members meeting June 2004 Cross-domain interoperability journalRMD.xml Godfrey Rust, Ontologyx Rightscom 2004 ResourceKernel.xml Presentation to DOI Members meeting June 2004

Cross-domain interoperability journalRMD.xml Godfrey Rust, Ontologyx Rightscom 2004 XsltTransform.xsl ResourceKernel.xml Presentation to DOI Members meeting June 2004 Cross-domain interoperability journalRMD.xml XsltTransform.xsl ResourceKernel.xml XsltTransform.xsl

CoursepackRMD.xml Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June 2004 Cross-domain interoperability journalRMD.xml ResourceKernel.xml XsltTransform.xsl XsltTransform.xsl Coa.xml XsltTransform.xsl CoursepackRMD.xml For interoperability across domains, there is a highly generic COA schema. Godfrey Rust, Ontologyx Rightscom

2004 Presentation to DOI Members meeting June 2004 Metadata interoperability real world assumptions Many DOI RAs will want to interchange metadata of many different types. RAs will use an ever increasing range of standard and proprietary terms and schemes. Domain metadata will be mixed across domains in many combinations. New versions of everything will keep coming out. Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June 2004 Metadata interoperability requirements Validate, test and implement journalRMD and iDD. Implement new RMDs for domains as required (it takes two or more to interoperate). RAs to map terms and schemes as needed. iDD has other potential to support DOI interoperability beyond metadata: eg in defining constaints of DOI APs (discussion for tomorrows

workshop) All now driven by real business requirements. (Notes: iDD mapping is an aid to system and schema design). Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June 2004 Metadata interoperability elsewhere ONIX mapping to be completed following mEDRA validation (bookRMD?). MI3P (music industry dictionary and message standards) is built on COA and supports dozens of draft standard messages. MPEG-RDD Registration Authority will be implemented on COA architecture. ISO codes already in iDD. Other schemes (Dublin Core, MARC, PRISM, SCORM, CIDOC, SMPTE etc) can be included as needed according to RA demand. Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June

2004 Metadata interoperability conclusion The combination of DOI and the iDD/RMD tools now offer a unique and unparalleled opportunity for metadata interoperability. Godfrey Rust, Ontologyx 2004 Rightscom 2004 Presentation to DOI Members meeting June 2004 Metadata interoperability for real Godfrey Rust, Ontologyx DOI Metadata consultant Godfrey Rust, Ontologyx Rightscom 2004 Presentation to DOI Members meeting June 2004

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