320 search results - page 8 / 64 » Answering Queries from Statistics and Probabilistic Views |
122
Voted
EDBT
2006
ACM
16 years 17 days ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...
101
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STOC
1993
ACM
15 years 4 months ago
1993
ACM
In this paper, we study the problem of learning in the presence of classification noise in the probabilistic learning model of Valiant and its variants. In order to identify the cl...
104
Voted
PODS
2005
ACM
16 years 17 days ago
2005
ACM
We investigate the question of whether a query can be answered using a set V of views. We first define the problem in information-theoretic terms: we say that V determines if V pr...
110
Voted
RIAO
2000
15 years 1 months ago
2000
We propose an original approach for the characterization of video dynamic content with a view to supplying new functionalities for motion-based video indexing and retrieval with q...
106
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ECIR
2007
Springer
15 years 1 months ago
2007
Springer
Question answering systems rely on retrieval components to identify documents that contain an answer to a user’s question. The formulation of queries that are used for retrieving...