5954 search results - page 340 / 1191 » Querying Bi-level Information |
192
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RIAO
1994
15 years 8 months ago
1994
Although commonly used in both commercial and experimental information retrieval systems, thesauri have not demonstrated consistent bene ts for retrieval performance, and it is di...
153
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SEMWEB
2004
Springer
16 years 4 days ago
2004
Springer
The Semantic Web is bound to be untrustworthy and inconsistent. In this paper, we present an initial approach for obtaining useful information in such an environment. In particular...
158
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EDBTW
2006
Springer
15 years 10 months ago
2006
Springer
Users without knowledge of schemas or structured query languages have difficulties in accessing information stored in databases. Commercial and research efforts have focused on key...
158
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ALT
2010
Springer
15 years 8 months ago
2010
Springer
We explore a general Bayesian active learning setting, in which the learner can ask arbitrary yes/no questions. We derive upper and lower bounds on the expected number of queries r...
194
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CIDR
2009
15 years 8 months ago
2009
Recent research in domain-independent information extraction holds the promise of an automatically-constructed structured database derived from the Web. A query system based on th...