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201
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SIGIR
2003
ACM
15 years 11 months ago
2003
ACM
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
276
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
A variety of web sites and web based services produce textual lists at varying time granularities ranked according to several criteria. For example, Google Trends produces lists o...
147
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CIKM
2007
Springer
16 years 14 days ago
2007
Springer
Opinion leaders are those who bring in new information, ideas, and opinions, then disseminate them down to the masses, and thus influence the opinions and decisions of others by a...
151
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SIGIR
2005
ACM
15 years 12 months ago
2005
ACM
A query independent feature, relating perhaps to document content, linkage or usage, can be transformed into a static, per-document relevance weight for use in ranking. The challe...
195
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IM
2007
15 years 6 months ago
2007
PageRank is a popularity measure designed by Google to rank Web pages. Experiments confirm that PageRank values obey a power law with the same exponent as In-Degree values. This ...