8349 search results - page 291 / 1670 » Introduction to Information Retrieval |
147
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
Generally speaking, digital libraries have multiple granularities of semantic units: book, chapter, page, paragraph and word. However, there are two limitations of current eBook r...
186
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SIGIR
2006
ACM
16 years 19 days ago
2006
ACM
Combining the output from multiple retrieval sources over the same document collection is of great importance to a number of retrieval tasks such as multimedia retrieval, web retr...
167
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SIGIR
2003
ACM
15 years 12 months ago
2003
ACM
Soboroff, Nicholas and Cahan recently proposed a method for evaluating the performance of retrieval systems without relevance judgments. They demonstrated that the system evaluat...
160
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ECIR
2008
Springer
15 years 8 months ago
2008
Springer
Passage retrieval and pseudo relevance feedback/query expansion have been reported as two effective means for improving document retrieval in literature. Relevance models, while im...
159
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SIGIR
2006
ACM
16 years 19 days ago
2006
ACM
Large-scale web and text retrieval systems deal with amounts of data that greatly exceed the capacity of any single machine. To handle the necessary data volumes and query through...