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SIGMOD
2004
ACM
14 years 27 days ago
2004
ACM
Data items are often associated with a location in which they are present or collected, and their relevance or in uence decays with their distance. Aggregate values over such data...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Microarray datasets typically contain large number of columns but small number of rows. Association rules have been proved to be useful in analyzing such datasets. However, most e...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...