739 search results - page 23 / 148 » Query quality: user ratings and system predictions |
163
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CIKM
2007
Springer
16 years 7 days ago
2007
Springer
Pseudo-relevance feedback, or query expansion, has been shown to improve retrieval performance in the adhoc retrieval task. In such a scenario, a few top-ranked documents are assu...
143
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VTC
2008
IEEE
16 years 13 days ago
2008
IEEE
—1 Invoking SDMA in the Down-Link (DL) has the potential of increasing the achievable throughput with the aid of linear transmit preprocessing, provided that the Channel Impulse ...
284
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
The proliferation of database-driven web sites (or web-databases) has brought upon a plethora of applications where both Quality of Service (QoS) and Quality of Data (QoD) are of ...
152
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IWCMC
2006
ACM
16 years 14 hour ago
2006
ACM
The paper proposes a neural fuzzy call admission and rate controller (NFARC) scheme for WCDMA cellular systems providing multirate services. The NFARC scheme can guarantee the qua...
182
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WWW
2009
ACM
16 years 6 months ago
2009
ACM
Giving suggestions to users of Web-based services is a common practice aimed at enhancing their navigation experience. Major Web Search Engines usually provide Suggestions under t...