2145 search results - page 162 / 429 » Pattern-Based Query Answering |
SEMWEB
2010
Springer
15 years 10 days ago
2010
Springer
Abstract. We extend our recent work on evaluating incomplete reasoners by introducing strict testing bases. We show how they can be used in practice to identify ontologies and quer...
SIGMOD
2002
ACM
16 years 2 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
138
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EDBT
2006
ACM
16 years 2 months 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...
114
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ISDA
2009
IEEE
15 years 9 months ago
2009
IEEE
In this paper, we discuss the the role of the retrieval component in an TREC style opinion question answering system. Since blog retrieval differs from traditional ad-hoc document...
123
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IPPS
2007
IEEE
15 years 8 months ago
2007
IEEE
In this paper we propose a new query processing method for the OLAP Enabled Grid, which blends sophisticated cache extraction techniques and data grid scheduling to efficiently s...