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» A Cost Model for Similarity Queries in Metric Spaces
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JSSPP
2005
Springer
14 years 1 months ago
Unfairness Metrics for Space-Sharing Parallel Job Schedulers
Sociology, computer networking and operations research provide evidence of the importance of fairness in queuing disciplines. Currently, there is no accepted model for characteriz...
Gerald Sabin, P. Sadayappan
ICEBE
2005
IEEE
96views Business» more  ICEBE 2005»
14 years 1 months ago
Adding Physical Optimization to Cost Models in Information Mediators
Optimization of execution plans in information mediators is a critical task, specially when sources are remote and semistructured, as in the case of transactional web sites. Lack ...
Justo Hidalgo, Alberto Pan, José Losada, Ma...
COSIT
2009
Springer
133views GIS» more  COSIT 2009»
14 years 2 months ago
A Metric Conceptual Space Algebra
Abstract. The modeling of concepts from a cognitive perspective is important for designing spatial information systems that interoperate with human users. Concept representations t...
Benjamin Adams, Martin Raubal
ICDE
2007
IEEE
146views Database» more  ICDE 2007»
13 years 11 months ago
Index-based Most Similar Trajectory Search
The problem of trajectory similarity in moving object databases is a relatively new topic in the spatial and spatiotemporal database literature. Existing work focuses on the spati...
Elias Frentzos, Kostas Gratsias, Yannis Theodoridi...
PVLDB
2008
127views more  PVLDB 2008»
13 years 7 months ago
Hashed samples: selectivity estimators for set similarity selection queries
We study selectivity estimation techniques for set similarity queries. A wide variety of similarity measures for sets have been proposed in the past. In this work we concentrate o...
Marios Hadjieleftheriou, Xiaohui Yu, Nick Koudas, ...