2050 search results - page 369 / 410 » Effectiveness of complex index terms in information retrieva... |
179
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WWW
2009
ACM
16 years 6 months ago
2009
ACM
A pressing task during the unification process is to identify a user's vertical search intention based on the user's query. In this paper, we propose a novel method to p...
152
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WWW
2008
ACM
16 years 6 months ago
2008
ACM
Combating Web spam has become one of the top challenges for Web search engines. State-of-the-art spam detection techniques are usually designed for specific known types of Web spa...
160
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WWW
2007
ACM
16 years 6 months ago
2007
ACM
In this paper, we define the problem of topic-sentiment analysis on Weblogs and propose a novel probabilistic model to capture the mixture of topics and sentiments simultaneously....
153
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WWW
2005
ACM
16 years 6 months ago
2005
ACM
We evaluate three different relevance feedback (RF) algorithms, Rocchio, Robertson/Sparck-Jones (RSJ) and Bayesian, in the context of Web search. We use a target-testing experimen...
165
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KDD
2008
ACM
16 years 6 months ago
2008
ACM
We introduce the problem of query decomposition, where we are given a query and a document retrieval system, and we want to produce a small set of queries whose union of resulting...