8349 search results - page 328 / 1670 » Introduction to Information Retrieval |
200
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ECIR
2006
Springer
15 years 8 months ago
2006
Springer
Keyword-based queries are an important means to retrieve information from XML collections with unknown or complex schemas. Relevance Feedback integrates relevance information provi...
225
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
The approach of using passage-level evidence for document retrieval has shown mixed results when it is applied to a variety of test beds with different characteristics. One main r...
157
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SIGIR
2010
ACM
15 years 10 months ago
2010
ACM
We present a document expansion approach that uses Conditional Random Field (CRF) segmentation to automatically extract salient phrases from ad titles. We then supplement the ad d...
183
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CLEF
2010
Springer
15 years 7 months ago
2010
Springer
This paper discusses the QA system submitted by Dhirubhai Ambani Institute of Information and Communication Technology, India in the ResPubliQA 2010. We have participated in the mo...
180
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TREC
2007
15 years 8 months ago
2007
In TREC 2007 Blog Track, we developed a three-step algorithm for the opinion retrieval task. An information retrieval step retrieves the query-relevant documents. A following opin...