146
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SIGMOD
15 years 4 months ago
1995 ACM
Many papers have examined how to e ciently export a materialized view but to our knowledge none have studied how to e ciently import one. To import a view, i.e., to install a stre...
122
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SIGMOD
15 years 4 months ago
1995 ACM
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
119
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SIGMOD
15 years 4 months ago
1995 ACM
This paper describes an efficient optimistic concurrency control scheme for use in distributed database systems in which objects are cached and manipulated at client machines whil...
106
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SIGMOD
15 years 4 months ago
1995 ACM
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
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