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VLDB
1998
ACM
15 years 2 months ago
1998
ACM
The query execution engine in Microsoft SQL Server employs hash-based algorithms for inner and outer joins, semi-joins, set operations (such as intersection), grouping, and duplic...
VLDB
1998
ACM
15 years 2 months ago
1998
ACM
The design of secure buffer managers for database systems supporting real-time applications with firm deadlines is studied here. We first identify the design challenges and then p...
VLDB
1998
ACM
15 years 2 months ago
1998
ACM
We present a new client cache consistency algorithm for client caching database management systems. The algorithm, called Asynchronous Avoidance-based Cache Consistency (AACC), pr...
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VLDB
1998
ACM
15 years 2 months ago
1998
ACM
Many decision support systems, which utilize association rules for discovering interesting patterns, require the discovery of association rules that vary over time. Such rules des...
VLDB
1998
ACM
15 years 2 months ago
1998
ACM
Approximate predicates can be used to reduce the number of comparisons made by expensive, complex predicates. For example, to check if a point is within a region (expensive predic...