1914 search results - page 135 / 383 » Web Data Management Practices - Emerging Techniques and Tech... |
240
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
168
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ICWL
2010
Springer
15 years 4 months ago
2010
Springer
Content development for adaptive educational systems is known to be an error-prone task. Gaps can occur when the content is created, modified or when the context of its usage chang...
145
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WWW
2004
ACM
16 years 6 months ago
2004
ACM
Maximizing only the relevance between queries and documents will not satisfy users if they want the top search results to present a wide coverage of topics by a few representative...
153
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SIGIR
2009
ACM
16 years 20 days ago
2009
ACM
We study the recurrence dynamics of queries in Web search by analysing a large real-world query log dataset. We find that query frequency is more useful in predicting collective ...
173
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NCA
2003
IEEE
15 years 11 months ago
2003
IEEE
This paper studies the optimal placement of web files for en-route web caching. It is shown that existing placement policies are all solving restricted partial problems of the ...