OWL annotated AIFB portal

From: York Sure (sure@aifb.uni-karlsruhe.de)
Date: 12/21/04

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    *** Overview
    We would like to annouce the SEmantic portAL (SEAL) of the Institute 
    AIFB at the University of Karlsruhe. 
    Besides regular pages for human consumption, this portal also 
    provides annotated pages which contain machine processable content in 
    form of OWL annotations.
    [1] is not only a reference point for finding information about our 
    SEAL, but also can be taken as a starting point to explore the 
    capabilities of the portal by example links. Of particular interest 
    might be the download of the complete OWL annotations in one ".owl" 
    file (~2MB).
    *** OWL annotations
    The OWL Web Ontology Language [2] is designed for use by applications 
    that need to process the content of information instead of just 
    presenting information to humans. OWL is a W3C Recommendation and 
    facilitates greater machine interpretability of Web content than that 
    supported by XML, RDF, and RDF Schema (RDF-S) by providing additional 
    vocabulary along with a formal semantics.
    Throughout the portal information about 
     - Persons,  
     - Publications or 
     - Projects 
    are retrieved from a relational database and presented to the user by 
    Such sites are also annotated by machine-understandable descriptions 
    according to the SWRC (Semantic Web Research Community) ontology [3]. 
    Both XHTML files and annotations are interlinked by the <link 
    rel="meta"> tag. In addition, you may view the automatically 
    generated information by clicking on the "OWL/RDF" button on pages 
    about Persons, Publications or Projects. The button is located at the 
    bottom of each annotated page.
    The annotations have been successfully tested with OilEd 3.5.7 and 
    Protege 3.0 beta, OWL Plug-In Version 1.3, Build 212. All of them 
    validate correctly against OWL Lite according to the WonderWeb OWL 
    Note that we use the OWL DLP (Description Logic Programs) fragment 
    [4] for the annotations, which is a subset of OWL Lite. Its 
    expressivity is equal to Datalog while keeping as much of the 
    Description Logic primitives as possible.
    *** General Architecture
    For further information about the general architecture please cf. to 
    our SEAL approach [5].
    *** References
    [1] About the AIFB SEAL
    [2] W3C OWL recommendation
    [3] SWRC ontology
    [4] OWL DLP
    [5] Jens Hartmann, York Sure. An Infrastructure for Scalable, 
    Reliable Semantic Portals. In: IEEE Intelligent Systems 19 (3): 58-
    65. May 2004. 
     Dr. York Sure
     Institute AIFB, University of Karlsruhe (TH)
     phone: +49 (0) 721 608 6592

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