580 search results - page 81 / 116 » Ranking Approaches for Microblog Search |
WWW
2010
ACM
15 years 5 months ago
2010
ACM
The core task of sponsored search is to retrieve relevant ads for the user’s query. Ads can be retrieved either by exact match, when their bid term is identical to the query, or...
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EMNLP
2010
14 years 8 months ago
2010
Recurrent event queries (REQ) constitute a special class of search queries occurring at regular, predictable time intervals. The freshness of documents ranked for such queries is ...
MM
2005
ACM
15 years 4 months ago
2005
ACM
Information linkage is becoming more and more important in this digital age. In this paper, we propose a concept tracking method, which links the news stories with the same topic ...
ATAL
2005
Springer
15 years 4 months ago
2005
Springer
Overlay topology plays an important role in P2P systems. Topology serves as a basis for achieving functions such as routing, searching and information dissemination, and it has a m...
SIGIR
2009
ACM
15 years 5 months ago
2009
ACM
Long queries frequently contain many extraneous terms that hinder retrieval of relevant documents. We present techniques to reduce long queries to more effective shorter ones tha...