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SAC
2005
ACM
15 years 3 months ago
An information theoretic histogram for single dimensional selectivity estimation
: We study the problem of one dimensional selectivity estimation in relational databases. We introduce a new type of histogram based on information theory. We compare our histogram...
Chris Giannella, Bassem Sayrafi
CCS
2005
ACM
15 years 3 months ago
Secure collaboration in mediator-free environments
The internet and related technologies have made multidomain collaborations a reality. Collaboration enables domains to effectively share resources; however it introduces several ...
Mohamed Shehab, Elisa Bertino, Arif Ghafoor
DEXA
2005
Springer
176views Database» more  DEXA 2005»
15 years 3 months ago
Control-Based Quality Adaptation in Data Stream Management Systems
Unlike processing snapshot queries in a traditional DBMS, the processing of continuous queries in a data stream management system (DSMS) needs to satisfy quality requirements such ...
Yi-Cheng Tu, Mohamed Hefeeda, Yuni Xia, Sunil Prab...
ER
2005
Springer
134views Database» more  ER 2005»
15 years 3 months ago
An Agent-Oriented Meta-model for Enterprise Modelling
This paper proposes an agent-oriented meta-model that provides rigorous concepts for conducting enterprise modelling. The aim is to allow analysts to produce an enterprise model th...
Ivan Jureta, Stéphane Faulkner
ICFCA
2005
Springer
15 years 3 months ago
On Computing the Minimal Generator Family for Concept Lattices and Icebergs
Minimal generators (or mingen) constitute a remarkable part of the closure space landscape since they are the antipodes of the closures, i.e., minimal sets in the underlying equiva...
Kamal Nehmé, Petko Valtchev, Mohamed Rouane...