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Semantic Technology Application Show Cases. Atilla ELÇİ Dept. of Computer Engineering Eastern Mediterranean University. SemTech Applications. Show case application of SemTech to Digital Library SemTech’s role in meeting challenges Davies et al. Ch. 11. PS: Take home MT : Review & Qs.
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Semantic Technology Application Show Cases Atilla ELÇİ Dept. of Computer Engineering Eastern Mediterranean University CmpE 588 Spring 2008 EMU
SemTech Applications • Show case application of SemTech to Digital Library • SemTech’s role in meeting challenges • Davies et al. Ch. 11. • PS: Takehome MT: Review & Qs. CmpE 588 Spring 2008 EMU
Current Digital Libraries • Samples: • ACM Member DL • Free libs: • Project Gutenberg: e-books of all genres. • Open Library by the Internet Archive: to showcase how and provide free. • Wikipedia • You Tube? Etc. • Free digital library software: • Greenstone DL with UNESCO’s support • OpenDLib • Search engine as DL: Google Scholar • Wiki as DL: Wikibooks: Wikimedia Project free textbook project. CmpE 588 Spring 2008 EMU
Free Digital Libraries Directory? • Let’s put together a list of digital libraries offering free e-material. • Organize the list using semantic technology. • Build i/f for human reader and software agents. CmpE 588 Spring 2008 EMU
DL Challenges • Key research areas by Digital Libraries Workshop (1995): • Interoperability: • Software and systems • Semantic: mapping ontologies • Description of objects and repositories • Collection and management of non-textual information • User interfaces • Economic, social and legal issues. • SemTech contribution to above: Where and How? • Newer research findings? CmpE 588 Spring 2008 EMU
DL Research • Specific purpose projects: • Alexandria Digital Earth Project: geospatial data • PERSIVAL: medical data • VARIATIONS: music • EULER: math. • Generic research projects: • Perseus DL Project: humanities source material. • Renardus Service of 5th FP IST Project: integrated search & browse access to records through gateway services. • Scuplteur: semantic & content-based multimedia mngt: • There is an ontology to describe the objects • Crawler searches web for more • 6th FP DELOS: “the next generation of DL technologies” • 6th FP BRICKS: upto “open, user- and service-oriented infrastructure for sharing knowledge & resources”. CmpE 588 Spring 2008 EMU
DELOS • Aimed for th ‘Next generation of DL tech.’ • Architecture has seven clusters: • Knowledge extraction and semantic interoperability • Info access and personalization • User interface and personalization • ... CmpE 588 Spring 2008 EMU
A Case Study: The BT DL (Sect. 11.3) • Enhancing the Library w/SemTech (SEKT Project): • Richer Metadata: • ABI/INFORM from ProQuest: 8 K terms vocabulary • IEEE INSPEC: 9 K terms • Enhanced User Profiling: • Personalization • In-fulltext search and annotation • Enhancing: searching, browsing, displaying results, connecting people/ideas CmpE 588 Spring 2008 EMU
The User’s View • Sect. 11.4 CmpE 588 Spring 2008 EMU
SemTech to DL’s Rescue: (Sect. 11.5) • BT DL Run-Time Architecture: • 5-Layer Architecture: • Persistence Layer • Semantic Layer: • PROTo Ontology Proton • Dublin Core • OWL • Integration Layer: • Building appls using components of SEKT Integration Platform (SIP) • End-User Appls Layer: • Appls built using SIP, such as the following • Semantic search & browse • Knowledge sharing • Personal search agent • Semantic info spaces (search-based carry over from original BT DL) • Presentation Layer CmpE 588 Spring 2008 EMU
SemTech to DL’s Rescue: (Sect. 11.5) CmpE 588 Spring 2008 EMU
SemTech-Based DL: Future Trends • Open source • Open content • Publically collaborated development and upkeep • Rich metadata • Ontology-based • Personalized • Distributed, localized • Push or pull? • Imploys SemTech tools: • Ontology evolution, • Content gathering • Search • Presentation • ... • Your call? CmpE 588 Spring 2008 EMU
References • John Davies, Rudi Studer, Paul Warren (Editors): Semantic Web Technologies: Trends and Research in Ontology-based Systems, John Wiley & Sons (July 11, 2006). ISBN: 0470025964. Ch. 11.: pp. 237-257. • W3C Semantic Web Best Practices and Deployment Working Group home page. • W3C SW Applications & Demos Task Force. • SemanticWebDOAPBulletinBoard • W3C Semantic Web Tools Wiki page: • Check Jena, SemWeb, Protégé, Swoop, etc. CmpE 588 Spring 2008 EMU