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ACMICEC
2006
ACM
213views ECommerce» more  ACMICEC 2006»
16 years 1 days ago
CMieux: adaptive strategies for competitive supply chain trading
Supply chains are a central element of today’s global economy. Existing management practices consist primarily of static interactions between established partners. Global compet...
Michael Benisch, Alberto Sardinha, James Andrews, ...
BTW
2005
Springer
113views Database» more  BTW 2005»
15 years 11 months ago
A Learning Optimizer for a Federated Database Management System
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
Stephan Ewen, Michael Ortega-Binderberger, Volker ...
VLDB
2004
ACM
124views Database» more  VLDB 2004»
15 years 11 months ago
Automated Statistics Collection in DB2 UDB
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
Ashraf Aboulnaga, Peter J. Haas, Sam Lightstone, G...
HICSS
2003
IEEE
207views Biometrics» more  HICSS 2003»
15 years 11 months ago
Formalizing Multi-Agent POMDP's in the context of network routing
This paper uses partially observable Markov decision processes (POMDP’s) as a basic framework for MultiAgent planning. We distinguish three perspectives: first one is that of a...
Bharaneedharan Rathnasabapathy, Piotr J. Gmytrasie...
SIGMOD
1998
ACM
97views Database» more  SIGMOD 1998»
15 years 10 months ago
Cost Based Query Scrambling for Initial Delays
Remote data access from disparate sources across a widearea network such as the Internet is problematic due to the unpredictable nature of the communications medium and the lack o...
Tolga Urhan, Michael J. Franklin, Laurent Amsaleg