2050 search results - page 162 / 410 » Effectiveness of complex index terms in information retrieva... |
165
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RECSYS
2009
ACM
15 years 11 months ago
2009
ACM
Robustness analysis research has shown that conventional memory-based recommender systems are very susceptible to malicious profile-injection attacks. A number of attack models h...
145
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
We describe a framework of bootstrapped hypothesis testing for estimating the confidence in one web search engine outperforming another over any randomly sampled query set of a gi...
177
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CIKM
2007
Springer
16 years 18 days ago
2007
Springer
Several problems in text categorization are too hard to be solved by standard bag-of-words representations. Work in kernel-based learning has approached this problem by (i) consid...
193
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CIKM
2010
Springer
15 years 4 months ago
2010
Springer
Dealing with verbose (or long) queries poses a new challenge for information retrieval. Selecting a subset of the original query (a "sub-query") has been shown to be an ...
171
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SSD
2007
Springer
16 years 16 days ago
2007
Springer
Topological relationships between spatial objects are important for querying, reasoning, and indexing of data within spatial databases. These relationships are qualitative and resp...