170 search results - page 7 / 34 » Statistical and Comparative Evaluation of Various Indexing a... |
SIGIR
2010
ACM
15 years 4 months ago
2010
ACM
This paper presents a new way of thinking for IR metric optimization. It is argued that the optimal ranking problem should be factorized into two distinct yet interrelated stages:...
TWC
2010
14 years 7 months ago
2010
Abstract--In this paper, we propose a novel spectrum occupancy model designed to generate accurate temporal and frequency behavior of various wireless transmissions. Our proposed w...
186
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ICDE
2005
IEEE
16 years 1 months ago
2005
IEEE
Index structures are designed to optimize search performance, while at the same time supporting efficient data updates. Although not explicit, existing index structures are typica...
100
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SIGIR
2009
ACM
15 years 6 months ago
2009
ACM
We consider experiments to measure the quality of a web search algorithm based on how much total time users take to complete assigned search tasks using that algorithm. We first ...
122
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CIKM
2010
Springer
14 years 11 months ago
2010
Springer
Personalized search systems have evolved to utilize heterogeneous features including document hyperlinks, category labels in various taxonomies and social tags in addition to free...