2939 search results - page 229 / 588 » A geometric approach to aggregation |
163
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ISIPTA
2005
IEEE
16 years 10 days ago
2005
IEEE
This paper addresses the problem of market risk management for a company in the electricity industry. When dealing with corporate volumetric exposure, there is a need for a method...
189
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EUC
2005
Springer
16 years 9 days ago
2005
Springer
This paper presents a distributed middleware architecture based on a service-oriented approach, to manage high volume sensor events. Event management takes a multi-step operation f...
163
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VLDB
2005
ACM
16 years 7 days ago
2005
ACM
We extend the OLAP data model to represent data ambiguity, specifically imprecision and uncertainty, and introduce an allocation-based approach to the semantics of aggregation qu...
165
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DAWAK
2003
Springer
15 years 12 months ago
2003
Springer
Abstract. Many SQL queries with aggregated subqueries exhibit redundancy (overlap in FROM and WHERE clauses). We propose a method, called the for-loop, to optimize such queries by ...
135
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SIGCOMM
1998
ACM
15 years 11 months ago
1998
ACM
Recently, a parametric State Reward Markov Model SRMM p has been developed for the reliability and availability analysis of self-healing SONET mesh networks 2 . In this paper, w...