<?xml version="1.0"?>

<!DOCTYPE owl [
  <!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#">
  <!ENTITY xsd "http://www.w3.org/2001/XMLSchema#">
  <!ENTITY owl "http://www.w3.org/2002/07/owl#">
  <!ENTITY cc "http://web.resource.org/cc/#">
  <!ENTITY event "http://ebiquity.umbc.edu/ontology/event.owl#">
  <!ENTITY person "http://ebiquity.umbc.edu/ontology/person.owl#">
  <!ENTITY assert "http://ebiquity.umbc.edu/ontology/assertion.owl#">]>

<!--
  This ontology document is licensed under the Creative Commons
  Attribution License. To view a copy of this license, visit
  http://creativecommons.org/licenses/by/2.0/ or send a letter to
  Creative Commons, 559 Nathan Abbott Way, Stanford, California
  94305, USA.
-->

<rdf:RDF 
  xmlns:rdf = "&rdf;"
  xmlns:rdfs = "&rdfs;"
  xmlns:xsd = "&xsd;"
  xmlns:owl = "&owl;"
  xmlns:cc = "&cc;"
  xmlns:event = "&event;"
  xmlns:person = "&person;"
  xmlns:assert = "&assert;">
  <event:Event rdf:about="http://ebiquity.umbc.edu/event/html/id/252/Wikitology-Wikipedia-as-an-ontology-">
    <rdfs:label><![CDATA[Wikitology: Wikipedia as an ontology ]]></rdfs:label>
    <event:title><![CDATA[Wikitology: Wikipedia as an ontology ]]></event:title>
    <event:startDate rdf:datatype="&xsd;dateTime">2008-08-28T14:00:00-05:00</event:startDate>
    <event:endDate rdf:datatype="&xsd;dateTime">2008-08-28T15:30:00-05:00</event:endDate>
    <event:location><![CDATA[University Center Ballroom]]></event:location>
    <event:abstract><![CDATA[Wikipedia has become an important source of online knowledge for people
that is kept up to date and available in many languages.  We describe
an approach to extracting information from Wikipedia and related
sources to construct an ontology and associated knowledge base. The
core idea is to use Wikipedia's articles and associated pages as a
topic ontology. The benefits of the approach are that the ontology
terms are developed through a social process, maintained and kept
current by the Wikipedia community, represent a consensus view, and
have meaning that can be understood by reading the associated
pages. We have demonstrated the use of Wikitology to improve the
performance of an information retrieval system and as a source of
evidence in a intra-document entity co-reference task.  Processing
Wikipedia to construct the knowledge base and maximizing the precision
and recall of queries against it are computationally expensive.  We
will describe our current and planned use of parallel computing
techniques to achieve good performance on these tasks.
]]></event:abstract>
    <event:tag><![CDATA[ontology]]></event:tag>
    <event:tag><![CDATA[wikipedia]]></event:tag>
    <event:tag><![CDATA[semantic web]]></event:tag>
    <event:tag><![CDATA[natural language processing]]></event:tag>
    <event:tag><![CDATA[information extraction]]></event:tag>
    <event:tag><![CDATA[spreading activation]]></event:tag>
    <assert:eventPptSlides rdf:resource="http://ebiquity.umbc.edu/resource/html/id/250/Wikitology-Wikipedia-as-an-ontology" />
  </event:Event>

  <rdf:Description rdf:about="">
    <cc:License rdf:resource="http://creativecommons.org/licenses/by/2.0/" />
  </rdf:Description>

</rdf:RDF>

