Distribution
发表于 2025-3-30 10:40:01
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DECRY
发表于 2025-3-30 15:02:31
Algorithms for Rewriting Aggregate Queries Using Viewsmplete for important cases. Our techniques can be used to improve well-known procedures for rewriting non-aggregate queries. These procedures can then be adapted to obtain algorithms for rewriting queries with . and . The algorithms presented are a basis for realizing optimizers that rewrite queries using views.
Astigmatism
发表于 2025-3-30 20:24:46
Design and Implementation of a Novel Approach to Keyword Searching in Relational Databasestabase. RSQL serves as a basis for a keyword-based search which renders it possible to formulate queries to databases in the absence of schema-knowledge. It is shown how this language can be exploited as a Web search engine that works on databases instead of documents.
博爱家
发表于 2025-3-30 20:43:48
A Rule-Oriented Architecture to Incorporate Dissemination-Based Information Delivery into Informatiomation through dissemination-based delivery. We explain this requirement can be met by a combination of an information integration engine and event-driven rule processing scheme. We also explain prototype system development.
Influx
发表于 2025-3-31 03:55:49
Efficient Cache Management Protocol Based on Data Locality in Mobile DBMSsproposed to support transaction semantics at mobile clients. The proposed protocol adopts . as the way of sending invalidation reports, in order to dynamically adapt to system workload (update pattern, data locality). We study the performance of the proposed protocol by means of simulation experiments.
拥护者
发表于 2025-3-31 05:05:37
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Banquet
发表于 2025-3-31 13:09:19
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亲属
发表于 2025-3-31 17:15:12
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使长胖
发表于 2025-3-31 19:27:00
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维持
发表于 2025-3-31 23:47:49
Frontiers in Sociology and Social Researchion remains valid. We use expiration timestamps to safeguard against using stale cached data. We study a variety of caching algorithms and a variety of methods for setting timestamps based on client mobility. We report results from simulation studies.