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» Using the CALANDA Time Series Management System
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HPDC
2007
IEEE
16 years 20 days ago
Precise and realistic utility functions for user-centric performance analysis of schedulers
Utility functions can be used to represent the value users attach to job completion as a function of turnaround time. Most previous scheduling research used simple synthetic repre...
Cynthia Bailey Lee, Allan Snavely
SSDBM
2007
IEEE
118views Database» more  SSDBM 2007»
16 years 19 days ago
Database Support for Weighted Match Joins
As relational database management systems are applied to non-traditional domains such as scientific data management, there is an increasing need to support queries with semantics ...
Ameet Kini, Jeffrey F. Naughton
ALGORITHMICA
2008
95views more  ALGORITHMICA 2008»
15 years 6 months ago
Optimality in External Memory Hashing
Hash tables on external memory are commonly used for indexing in database management systems. In this paper we present an algorithm that, in an asymptotic sense, achieves the best...
Morten Skaarup Jensen, Rasmus Pagh
SIGMOD
2011
ACM
219views Database» more  SIGMOD 2011»
14 years 9 months ago
Context-sensitive ranking for document retrieval
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
Liang Jeff Chen, Yannis Papakonstantinou
SIGMOD
2011
ACM
234views Database» more  SIGMOD 2011»
14 years 9 months ago
Ranking with uncertain scoring functions: semantics and sensitivity measures
Ranking queries report the top-K results according to a user-defined scoring function. A widely used scoring function is the weighted summation of multiple scores. Often times, u...
Mohamed A. Soliman, Ihab F. Ilyas, Davide Martinen...