407 search results - page 9 / 82 » Using Context for the Extraction of Relational Views |
ICDT
2001
ACM
15 years 1 months ago
2001
ACM
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...
78
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CICLING
2006
Springer
15 years 1 months ago
2006
Springer
The disambiguation of verbs is usually considered to be more difficult with respect to other part-of-speech categories. This is due both to the high polysemy of verbs compared with...
COLING
2008
14 years 11 months ago
2008
This paper discusses local alignment kernels in the context of the relation extraction task. We define a local alignment kernel based on the Smith-Waterman measure as a sequence s...
175
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VLDB
2001
ACM
15 years 9 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessing...
EDBT
2002
ACM
15 years 9 months ago
2002
ACM
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...