654 search results - page 47 / 131 » Complexity of Answering Queries Using Materialized Views |
154
Voted
IEEEVAST
2010
14 years 10 months ago
2010
Finding patterns in temporal data is an important data analysis task in many domains. Static visualizations can help users easily see certain instances of patterns, but are not sp...
118
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SEMCO
2007
IEEE
15 years 9 months ago
2007
IEEE
In this paper, we present an approach which, given a knowledge base and an appropriate text corpus, automatically induces patterns which can be used to query the knowledge base. W...
122
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SIGMOD
2001
ACM
16 years 3 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
117
Voted
EDBT
1998
ACM
15 years 7 months ago
1998
ACM
An importantuse of data warehousing is to provide temporal views over the history of source data that may itself be non-temporal. While recent work in view maintenance is applicab...
128
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SIGMOD
1995
ACM
15 years 6 months ago
1995
ACM
A warehouse is a repository of integrated information drawn from remote data sources. Since a warehouse e ectively implements materialized views, we must maintain the views as the...