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Question

What is a good keyword extraction web service?

Answer 1

+1 A:

I know some people that have had some success in using the WordsFinder service.

Mitchel Sellers 2009-04-02 18:48:47

Answer 2

+2 A:

You may want to look at www.opencalais.com (associated with Reuters) is a web service that hands

Your text "I want to buy a digital camera" returns this rdf / xml document --

 <!--Use of the Calais Web Service is governed by the Terms of Service located at http://www.opencalais.com. By using this service or the results of the service you agree to these terms of service.-->
 <!--Relations: GenericRelations

 Technology: digital camera-->
 <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:c="http://s.opencalais.com/1/pred/"&gt;
  <rdf:Description c:allowDistribution="true" c:allowSearch="true" c:calaisRequestID="1ef6064f-283c-4fd4-a922-0ff493c4353a" c:externalID="calaisbridge" c:id="http://id.opencalais.com/SLlKCS2i2mZA3ABrQS0F9Q" rdf:about="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a"&gt;
   <rdf:type rdf:resource="http://s.opencalais.com/1/type/sys/DocInfo" />
   <c:document>
 <![CDATA[<Document>
 <Date>2009-04-03</Date>
 <Body>I want to buy a digital camera</Body>
 </Document>]]>
 </c:document>
   <c:docTitle />
   <c:docDate>2009-04-03 00:00:00</c:docDate>
   <c:externalMetadata c:caller="calaisbridge" />
   <c:submitter>calaisbridge</c:submitter>
  </rdf:Description>
  <rdf:Description c:contentType="text/txt" c:emVer="UserVocabulariesIM" c:langIdVer="DefaultLangId" c:language="InputTextTooShort" c:processingVer="CalaisJob01" c:submissionDate="2009-04-03 14:14:42.532" rdf:about="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a/meta"&gt;
   <rdf:type rdf:resource="http://s.opencalais.com/1/type/sys/DocInfoMeta" />
   <c:docId rdf:resource="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a" />
   <c:submitterCode>416dcd8a-766f-0aa3-d94c-e5034b6ffc98</c:submitterCode>
   <c:signature>digestalg-1|sUmdk2pKaXLrsD0b2sNfX5dPvW4=|e+F5sMjqxqj0Qi+efzdG5D2s1TKBM//zH+NI1MNYvugY3FS9e3xP6g==</c:signature>
  </rdf:Description>
  <rdf:Description rdf:about="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a/lid/DefaultLangId"&gt;
   <rdf:type rdf:resource="http://s.opencalais.com/1/type/lid/DefaultLangId" />
   <c:docId rdf:resource="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a" />
   <c:lang rdf:resource="http://d.opencalais.com/lid/DefaultLangId/InputTextTooShort" />
  </rdf:Description>
  <rdf:Description rdf:about="http://d.opencalais.com/genericHasher-1/e224e552-7ebd-3ed1-aaa4-f8aba30331c2"&gt;
   <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Technology" />
   <c:name>digital camera</c:name>
  </rdf:Description>
  <rdf:Description rdf:about="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a/Instance/1"&gt;
   <rdf:type rdf:resource="http://s.opencalais.com/1/type/sys/InstanceInfo" />
   <c:docId rdf:resource="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a" />
   <c:subject rdf:resource="http://d.opencalais.com/genericHasher-1/e224e552-7ebd-3ed1-aaa4-f8aba30331c2" />
   <!--Technology: digital camera; -->
   <c:detection>[ment&gt;&lt;Date&gt;2009-04-03&lt;/Date&gt;&lt;Body&gt;I want to buy a ]digital camera[&lt;/Body&gt;&lt;/Document&gt;]</c:detection>
   <c:prefix>ment&gt;&lt;Date&gt;2009-04-03&lt;/Date&gt;&lt;Body&gt;I want to buy a </c:prefix>
   <c:exact>digital camera</c:exact>
   <c:suffix>&lt;/Body&gt;&lt;/Document&gt;</c:suffix>
   <c:offset>55</c:offset>
   <c:length>14</c:length>
  </rdf:Description>
  <rdf:Description rdf:about="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a/Relevance/1"&gt;
   <rdf:type rdf:resource="http://s.opencalais.com/1/type/sys/RelevanceInfo" />
   <c:docId rdf:resource="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a" />
   <c:subject rdf:resource="http://d.opencalais.com/genericHasher-1/e224e552-7ebd-3ed1-aaa4-f8aba30331c2" />
   <c:relevance>0.857</c:relevance>
  </rdf:Description>
  <rdf:Description rdf:about="http://d.opencalais.com/genericHasher-1/e8eac39c-f280-331e-9ccd-07f740d46ddb"&gt;
   <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/r/GenericRelations" />
   <c:verb>buy</c:verb>
   <c:relationsubject>I</c:relationsubject>
   <!--digital camera-->
   <c:relationobject rdf:resource="http://d.opencalais.com/genericHasher-1/e224e552-7ebd-3ed1-aaa4-f8aba30331c2" />
  </rdf:Description>
  <rdf:Description rdf:about="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a/Instance/2"&gt;
   <rdf:type rdf:resource="http://s.opencalais.com/1/type/sys/InstanceInfo" />
   <c:docId rdf:resource="http://d.opencalais.com/dochash-1/97cdaf47-fa15-31a1-be2b-3be1184d412a" />
   <c:subject rdf:resource="http://d.opencalais.com/genericHasher-1/e8eac39c-f280-331e-9ccd-07f740d46ddb" />
   <!--GenericRelations: verb: buy; relationsubject: I; relationobject: digital camera; -->
   <c:detection>[&lt;Document&gt;&lt;Date&gt;2009-04-03&lt;/Date&gt;&lt;Body&gt;]I want to buy a digital camera[&lt;/Body&gt;&lt;/Document&gt;]</c:detection>
   <c:prefix>&lt;Document&gt;&lt;Date&gt;2009-04-03&lt;/Date&gt;&lt;Body&gt;</c:prefix>
   <c:exact>I want to buy a digital camera</c:exact>
   <c:suffix>&lt;/Body&gt;&lt;/Document&gt;</c:suffix>
   <c:offset>39</c:offset>
   <c:length>30</c:length>
  </rdf:Description>
 </rdf:RDF>

malsmith 2009-04-03 18:51:39

this looks really interesting, and appears to be what I am looking for. thanks a ton.

akshat 2009-04-06 18:53:23

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What is a good keyword extraction web service?

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