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Tools for DAML-Based Services, Document Templates, and Query Answering Richard Fikes Deborah McGuinness Sheila McIlraith Tran Cao Son Honglei Zeng Steve.

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Presentation on theme: "Tools for DAML-Based Services, Document Templates, and Query Answering Richard Fikes Deborah McGuinness Sheila McIlraith Tran Cao Son Honglei Zeng Steve."— Presentation transcript:

1 Tools for DAML-Based Services, Document Templates, and Query Answering Richard Fikes Deborah McGuinness Sheila McIlraith Tran Cao Son Honglei Zeng Steve Wilder Jessica Jenkins Knowledge Systems Laboratory Stanford University

2 DAML Kickoff Meeting 8/14/00 Knowledge Systems Laboratory, Stanford University2 Knowledge Systems Laboratory Technology for effectively representing, reasoning with, and using knowledge in computer systems  Knowledge Sharing Technology äOntolingua - Ontology library and development environment äKIF - Formal logic knowledge interchange format äOKBC - Standardized API for knowledge servers äChimaera - Ontology merging and diagnosis environment  Modeling and Analysis of Complex Hybrid Physical Systems äModel-based programming, diagnosis, and control  Adaptive Intelligent Agents äGuardian, AIbots, Virtual Theatre  Major Sponsors äDARPA (DAML, RKF, HPKB, I*3, RaDEO, MADE, KSE), NASA, and NSF äCisco Systems, VerticalNet

3 DAML Kickoff Meeting 8/14/00 Knowledge Systems Laboratory, Stanford University3 DAML-Based Tools  Template-Based Document Authoring  DAML-Based Query Answering  DAML-Enabled Web Services

4 DAML Kickoff Meeting 8/14/00 Knowledge Systems Laboratory, Stanford University4 Document Authoring Tools  Template-Based Document Authoring äDocument templates with semantics specified in DAML ontologies >Most documents will be instances of document templates >Templates specify document syntax and semantics –Syntax based on XML –Semantics based on DAML ontologies äAuthoring tools for working with templates and ontologies >Description-based retrieval > Merging >Comparison > Analysis >Explanation of content > Diagnosis äLanguage support >OIL – Ontology Interchange Layer (meeting August 20) >Description Logic connections  DAML-Based Query Answering  DAML-Enabled Web Services

5 The Chimaera Merging and Diagnostic Ontology Environment McGuinness, Fikes, Jenkins, Wilder, and Rice* An interactive web-based tool aimed at supporting: Merging of ontological terms from varied sources Diagnosis of coverage and correctness of ontologies Maintaining ontologies over time Features: multiple I/O languages, loading and merging into multiple namespaces, collaborative distributed environment support, integrated browsing/editing environment, extensible diagnostic rule language Used in commercial and academic environments Available as a hosted service from www-ksl-svc.stanford.edu Information: Demo and poster at reception tonight (movie and tutorial on web)

6 DAML Kickoff Meeting 8/14/00 Knowledge Systems Laboratory, Stanford University6 Query Answering Tools  Template-Based Document Authoring  DAML-Based Query Answering äDAML-based interface to heterogeneous Web information sources >Query language that uses terminology defined in DAML ontologies >Query interfaces such as SHOE-search or FindUR/SmartSearch >Query responses as an “answer web” of DAML documents –Information sources – Related information –Explanations of derived answers – Suggestions for related queries äTools for specifying and creating DAML-based answer webs E.g., specifying what is to be included and pruned from answers äInterfaces to representative heterogeneous information sources >Databases, PARKA, OKBC knowledge servers, DAML documents,...  DAML-Enabled Web Services

7 DAML Kickoff Meeting 8/14/00 Knowledge Systems Laboratory, Stanford University7 Web Services  Language connections with W3C and OIL  DAML-Based Query Answering  DAML-Enabled Web Services


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