514 search results - page 29 / 103 » Foundations of Aggregation Constraints |
EDBT
2008
ACM
14 years 8 months ago
2008
ACM
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
SIGMOD
2004
ACM
14 years 8 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...
DOLAP
2004
ACM
14 years 1 months ago
2004
ACM
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
EPIA
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. The two puzzles are the Lottery Paradox and the Amalgamation Paradox, which both point out difficulties for aggregating uncertain information. A generalization of the lot...
LPAR
2010
Springer
13 years 6 months ago
2010
Springer
We address the problem of merging qualitative constraint networks (QCNs) representing agents local preferences or beliefs on the relative position of spatial or temporal entities. ...