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SIGMOD
2001
ACM
118views Database» more  SIGMOD 2001»
14 years 5 months ago
Proxy-Server Architectures for OLAP
Data warehouses have been successfully employed for assisting decision making by offering a global view of the enterprise data and providing mechanisms for On-Line Analytical proc...
Panos Kalnis, Dimitris Papadias
SIGMOD
2001
ACM
160views Database» more  SIGMOD 2001»
14 years 5 months ago
Adaptive Precision Setting for Cached Approximate Values
Caching approximate values instead of exact values presents an opportunity for performance gains in exchange for decreased precision. To maximize the performance improvement, cach...
Chris Olston, Boon Thau Loo, Jennifer Widom
SIGMOD
2001
ACM
134views Database» more  SIGMOD 2001»
14 years 5 months ago
Preservation of Digital Data with Self-Validating, Self-Instantiating Knowledge-Based Archives
Digital archives are dedicated to the long-term preservation of electronic information and have the mandate to enable sustained access despite rapid technology changes. Persistent...
Bertram Ludäscher, Richard Marciano, Reagan Moore
SIGMOD
2001
ACM
158views Database» more  SIGMOD 2001»
14 years 5 months ago
Generating Efficient Plans for Queries Using Views
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
Foto N. Afrati, Chen Li, Jeffrey D. Ullman
SIGMOD
2001
ACM
108views Database» more  SIGMOD 2001»
14 years 5 months ago
PREFER: A System for the Efficient Execution of Multi-parametric Ranked Queries
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
Vagelis Hristidis, Nick Koudas, Yannis Papakonstan...