20091120 Vlengel Maastricht

[email_address] [email_address] Lucene @ Ghent @ Lund Vlengel - November 2009 Maastricht

http://lib.ugent.be

http://elin.ugent.be

The Numbers 5.000.000 Bibliographic Records Full-Text: ca 20% 490.000 Google Books Hathi 136.000 18 th Cent. Coll. Online 100.000 Early English Books 32.000 Google Books Gent 82.000 Gutenberg, DBNL, SFX,… Ghent 16 Collections 120.000 visits/month 34% via search engines

The Numbers 54.000.000 Bibliographic Records ELIN Full-Text: 100 % 29 customers worldwide 6 timezones 17.000.000 electronic journals 25.000.000 Ebsco 4.000.000 JSTOR 3.400.000 Proquest ABI 1.670.000 IEE/IEEE standars/proceedings 1.300.000 E-print archives

The Parts Searching/Portal Verity Sesat Endeca Indexing Fast Autonomy Zebra Lucene/Solr Sphinx Drupal Liferay JBoss Zope Primo Aquabrowser VuFind

Indexing ALEPHSEQ OAI-PMH MySQL DUMP XSL indexML rug01_xml rug02_xml hath01_xml dbnl_xml Cmdline tools Tomcat Servlet Tuned Solr Perl MVC Java/Spring

Searching/Portal Search Engine Plugins Lucene SOLR ISI/WOS YouTube OpenSearch SRU Models KeyVal XML MARC Configuration Files I18N Props Default Open Search UnAPI HTML Velocity JS Meercat Controllers Views

The ‘Haves’ Facets Filters RSS OpenSearch OpenURL OAI-PMH Mobile TicToc Cover Art Statistics Cool URI’s unAPI Zotero Google Maps Stemming Flexible Sort Image Browsing Zoomers Pagers Basket Plugin/Integration libX Real-Time Availability Check Requesting Global Holdings Full-Text Links Lists: Journals, Databases, Collections Diacrit translation

The ‘Have Nots’
Nice Administrative Interface
ILS integration (requests, renewals, …)
Personalization (saved searches, alerts,…)
Tagging, Rating, User Contributed Content
Deduplication
Excerpts, Table of Contents
Word clouds
Expand Searches (see also)
Highlighting
Federated Search
Browsing
Advanced Search
Extended FRBR

The Characteristics
Lightweight , Tunable
In Lund 54.000.000 indexed on 1 Linux 4-core machine 16GB RAM +/- 2000 records/second
In Ghent indexation runs on Aleph server during business hours
Continuous 100 simultaneous users on 1 Linux 2-core machine 4GB RAM
Simple, easy web interface. Less is more

The Characteristics
Flexible
Used in 6 different projects in Gent, 2 in Lund
KeyVal , XML , MARC models can be used internally
Indexes anything that can be turned into our XML index format
Total control on every aspect of interface. We do text , images , video , mobile , RSS , …

The Characteristics
Very Large Developer Community
Open Source used in thousands of projects worldwide in all major (computer) languages
Extensive Documentation , many articles, presentations, research
Books, User Group, Conferences, Social Networks,…

But…

Acknowledgements
Kjell Lotigiers (UGent)– Java/Spring development
Salam Baker Shanawa (Lund) – Perl/ELIN development, System tuning
Nicolas Steenlant (UGent) – Ajax/CSS development
Geert Roels (UGent) – Web Design
Paul Bastijns (UGent) – SFX integration

Refs
Calhoun, K., & Cellentani, D. (2009). Online catalogs: What users and librarians want : an OCLC report . Dublin, Ohio: OCLC.
http://lib.ugent.be
http://www.lub.lu.se

20091120 Vlengel Maastricht

by Patrick Hochstenbach

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