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EDBT
2008
ACM
180views Database» more  EDBT 2008»
14 years 7 months ago
Probabilistic ranked queries in uncertain databases
Recently, many new applications, such as sensor data monitoring and mobile device tracking, raise up the issue of uncertain data management. Compared to "certain" data, ...
Xiang Lian, Lei Chen 0002
SIGMOD
2009
ACM
184views Database» more  SIGMOD 2009»
14 years 8 months ago
Minimizing the communication cost for continuous skyline maintenance
Existing work in the skyline literature focuses on optimizing the processing cost. This paper aims at minimization of the communication overhead in client-server architectures, wh...
Zhenjie Zhang, Reynold Cheng, Dimitris Papadias, A...
SAC
2010
ACM
14 years 2 months ago
Background knowledge in formal concept analysis: constraints via closure operators
The aim of this short paper is to present a general method of using background knowledge to impose constraints in conceptual clustering of object-attribute relational data. The pr...
Radim Belohlávek, Vilém Vychodil
CCS
2007
ACM
14 years 1 months ago
A simple and expressive semantic framework for policy composition in access control
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
Glenn Bruns, Daniel S. Dantas, Michael Huth
WIDM
2005
ACM
14 years 1 months ago
Web path recommendations based on page ranking and Markov models
Markov models have been widely used for modelling users' navigational behaviour in the Web graph, using the transitional probabilities between web pages, as recorded in the w...
Magdalini Eirinaki, Michalis Vazirgiannis, Dimitri...