5482 search results - page 682 / 1097 » Logic Programming and Databases |
187
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PODS
1998
ACM
15 years 11 months ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
170
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VLDB
1998
ACM
15 years 11 months ago
1998
ACM
It is today widely acceptedthat "Business Rules Independence" is required for information systemsto better and more rapidly adjust to changesin thebusinessenvironment,Th...
160
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ICDT
1997
ACM
15 years 11 months ago
1997
ACM
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...
158
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ICDE
1992
IEEE
15 years 11 months ago
1992
IEEE
This paper presents two algorithms for maintaining Btree index consistency in a DBMS which does not use write-ahead logging (WAL). One algorithm is similar to shadow paging, but i...
172
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VLDB
1989
ACM
15 years 11 months ago
1989
ACM
Graphical Direct Manipulation (GrDM) query languagesare characterized and positioned with respect to traditional textual query languages. After a brief survey of the current state...