1917 search results - page 304 / 384 » Decisions under subjective information |
SIGMOD
2009
ACM
14 years 10 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
WSDM
2010
ACM
14 years 4 months ago
2010
ACM
Web search engines are traditionally evaluated in terms of the relevance of web pages to individual queries. However, relevance of web pages does not tell the complete picture, si...
CIKM
2009
Springer
14 years 4 months ago
2009
Springer
We propose a General Markov Framework for computing page importance. Under the framework, a Markov Skeleton Process is used to model the random walk conducted by the web surfer on...
CIKM
2009
Springer
14 years 4 months ago
2009
Springer
Collaborative Filtering, considered by many researchers as the most important technique for information filtering, has been extensively studied by both academic and industrial co...
SIGIR
2009
ACM
14 years 4 months ago
2009
ACM
Recommender Systems, based on collaborative filtering (CF), aim to accurately predict user tastes, by minimising the mean error achieved on hidden test sets of user ratings, afte...