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LibreCat::Catmandu
- 3. Philosophy
- 4. Kahn-Wilensky Web Handle I search a paper about... Repository Service Repository Provider
- 5. Hypothesis 1: One Network & Common Schema Hypothesis 2: Object Oriented Design Hypothesis 3: The Resource is the Message
- 6. Hypothesis 1: One Network & Common Schema OpenAIRE Student Papers Google Europeana CRIS PhD Inst. Repository Digitized Data Material Sets
- 7. Hypothesis 2: Object Oriented Design •(Complex) Digital Objects • Unique identifiers • Key-Metadata + 1 or more data streams • Metadata schemes invariant over repositories • Specialized data types + service bindings on these types • Fragmented input • Incomplete • Metadata, Files, Metadata + Files • Many schemas • Simple data types (String, Array, Map) many native functions on these types
- 8. Researcher Hypothesis 3: The Resource is the Message DNS Dr Müller Repository Google ISI Researcher PubMed Homepage
- 9. Extract, Transform & Load Fulltext Search Relational Database Report Excel
- 10. Schemaless databases $store->add({ ...} ); $store->search({ ...} );
- 11. Copy & Paste Functional Style of Programming on native hashes and arrays “It is better to have 100 functions operate on one data structure than to have 10 functions operate on 10 data structures.” Alan J. Perlis
- 12. Project Catmandu
- 13. Download, Install & Play • Perl • http://librecat.org • cpan Catmandu • https://github.com/LibreCat/Catmandu
- 14. Anatomy of Search database export index def fix def convert filter/map fix index store field def display
- 15. Store Schemaless storage Elastic Solr Search JSON store Mongo DBI DB $store->add({}) $store->search() title:“krank” and subject.local:“cycle” title any “krank” and subject.local any “cycle”
- 16. Import Import from many sources Atom LDAP DBI JSON importer MARC OAI SRU $store->each({}) $store->first() $store->rest() $store->select({}) $store->any({}) $store->many({})
- 17. ETL upcase('job'); JSON capitalize('first'); capitalize('last'); capitalize('my.deep.nested.0'); upcase('my.deep.nested.0'); fix downcase('my.deep.nested.0'); substring('my.deep.nested.0',0,2); fix add_field('test'); add_field('income',0); add_field('a.0.0.0',1); marc_map('100','my.authors.$append'); JSON marc_map('710','my.authors.$append'); marc_map('600x','my.subjects.$append'); marc_map('008_/35-37','my.language'); join_field('colors.0','/');
- 18. MVC Dancer app/ |--bin/ |--public/ hello.tt | |-- images/ <html> | |-- css/ <body> | -- javascript/ <h1>[% txt %]</h1> |--views/ [% FOREACH obj IN res %] | -- hello.tt <p>[% obj.title %]</p> --environments/ [% END %] </body> </html> get ‘/hello’ => sub { my $res = store->bag ->search(query => ...) ->reduce( ... ); template ‘hello’ , { res => $res, txt => “Hello, World!” }; };
- 19. Project LibreCat
- 20. http://lup.lub.lu.se ISI PubMed LibreCat Catalog Fedora Mongo Store Store
- 21. http://pub.uni-bielefeld.de/ Any SRU/REST/Lucene/ Fix CSL JSON Store
- 22. http://biblio.ugent.be Fix Any SRU/REST/Lucene/ JSON Elastic Mongo Store Search LDAP JCR Project CRIS
- 23. http://adore.ugent.be MySQL Fix Aleph Store SOLR IIPImage Fedora Store
- 26. Project Plan • Catmandu: Open Source Data Toolkit • LibreCat: Example Programs: • LibreCat-Search, LibreCat-Citation, LibreCat-Grim, LibreCat-Archive ... • Suite of repository add-ons: • Project Database, Research Groups, Authority Files
- 27. • Nicolas Steenlant - Ghent • Nicolas Franck - Ghent • Patrick Hochstenbach - Ghent • Snorri Briem - Lund • Dave Sherohman - Lund • Jörgen Eriksson - Lund Thanks! • Maria Hedberg - Lund • Friedrich Summann - Bielefeld • Najko Jahn - Bielefeld • Vitali Peil - Bielefeld • Petra Kohorst - Bielefeld http://librecat.org
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