5221 search results - page 260 / 1045 » An On-line Problem Database |
170
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DEXAW
2002
IEEE
15 years 11 months ago
2002
IEEE
In this paper, we study the data dissemination problem in time-constrained mobile computing systems (TCMCS) in which maximizing data currency (minimizing staleness) and meeting tr...
163
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RTCSA
2000
IEEE
15 years 11 months ago
2000
IEEE
Although an optimistic approach has been shown to be better suited than locking protocols for real-time database systems (RTDBS), it has the problems of unnecessary restarts and h...
183
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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...
167
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
Scheduling query execution plans is a particularly complex problem in hierarchical parallel systems, where each site consists of a collection of local time-shared (e.g., CPU(s) or...
141
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DEXAW
2004
IEEE
15 years 10 months ago
2004
IEEE
In distance learning for computer literacy, a student's skill is dependent on personal experience. In such cases, it is important to determine the student's understandin...