24132 search results - page 4644 / 4827 » and 2009 |
188
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Although many variants of language models have been proposed for information retrieval, there are two related retrieval heuristics remaining “external” to the language modelin...
167
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Query log analysis has received substantial attention in recent years, in which the click graph is an important technique for describing the relationship between queries and URLs....
191
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Large search engines process thousands of queries per second on billions of pages, making query processing a major factor in their operating costs. This has led to a lot of resear...
166
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SIGIR
2009
ACM
16 years 1 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 ...
142
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Crawl selection policy has a direct influence on Web search effectiveness, because a useful page that is not selected for crawling will also be absent from search results. Yet th...