5954 search results - page 261 / 1191 » Querying Bi-level Information |
145
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AIPS
1998
15 years 8 months ago
1998
We present the application of the Planning by Rewriting PbR framework to query planning in distributed and heterogeneous environments. PbR is a new paradigm for e cient high-quali...
177
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Abstract. Query expansion is a well known method to improve the performance of information retrieval systems. In this work we have tested different approaches to extract the candid...
313
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ICDE
2003
IEEE
16 years 8 months ago
2003
IEEE
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
166
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WISE
2002
Springer
15 years 11 months ago
2002
Springer
Applying meta search systems is a suitable method to support the user if there are many different retrieval services available in the Web. Due to information splitting strategies ...
150
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TREC
2001
15 years 8 months ago
2001
Our focus this year was to investigate methods for increasing query length in interactive information searching in the Web context, and to see if these methods led to changes in t...