21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU1 Semantic Technology Application Show Cases Atilla ELÇİ Dept. of Computer Engineering Eastern Mediterranean.

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21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU1 Semantic Technology Application Show Cases Atilla ELÇİ Dept. of Computer Engineering Eastern Mediterranean University

21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU2 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.

21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU3 Current Digital Libraries  Samples: ACM Member DL Free libs:  Project Gutenberg: e-books of all genres. Project Gutenberg  Open Library by the Internet Archive: to showcase how and provide free. Open Library  Wikipedia  You Tube? Etc.  Free digital library software: Greenstone DL with UNESCO’s support Greenstone DL OpenDLib Search engine as DL: Google ScholarGoogle Scholar Wiki as DL: Wikibooks: Wikimedia Project free textbook project.Wikibooks

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. 21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU4

21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU5 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?

21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU6 DL Research  Specific purpose projects: Alexandria Digital Earth Project: geospatial data Alexandria Digital Earth Project PERSIVAL: medical data PERSIVAL VARIATIONS: music VARIATIONS EULER: math. EULER  Generic research projects: Perseus DL Project: humanities source material. Perseus DL Project Renardus Service of 5th FP IST Project: integrated search & browse access to records through gateway services. Renardus Service Scuplteur: semantic & content-based multimedia mngt: Scuplteur  There is an ontology to describe the objects  Crawler searches web for more 6th FP DELOS: “the next generation of DL technologies”DELOS 6th FP BRICKS: upto “open, user- and service-oriented infrastructure for sharing knowledge & resources”.BRICKS

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... 21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU7

21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU8 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 ABI/INFORM  IEEE INSPEC: 9 K terms IEEE INSPEC Enhanced User Profiling:  Personalization  In-fulltext search and annotation Enhancing: searching, browsing, displaying results, connecting people/ideas

21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU9 The User’s View  Sect. 11.4

SemTech to DL’s Rescue: (Sect. 11.5)  BT DL Run-Time Architecture: 5-Layer Architecture:  Persistence Layer  Semantic Layer:  PROTo Ontology ProtonProton  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 21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU10

21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU11 SemTech to DL’s Rescue: (Sect. 11.5)

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? 21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU12

21/05/'07 upd 06/05/08CmpE 588 Spring 2008 EMU13 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: Ch. 11.: pp  W3C Semantic Web Best Practices and Deployment Working Group home page.Semantic Web Best Practices and Deployment Working Group  W3C SW Applications & Demos Task Force.Applications & Demos Task Force.  SemanticWebDOAPBulletinBoard SemanticWebDOAPBulletinBoard  W3C Semantic Web Tools Wiki page:Semantic Web Tools Check Jena, SemWeb, Protégé, Swoop, etc.