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SIGMOD
2011
ACM
234views Database» more  SIGMOD 2011»
14 years 8 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...
SAC
2005
ACM
15 years 11 months ago
Knowledge based approach to semantic composition of teams in an organization
Finding rapidly suitable experts in an organization to compose a team able to solve specific tasks is a typical problem in large consulting firms. In this paper we present a Des...
Simona Colucci, Tommaso Di Noia, Eugenio Di Sciasc...
ECEASST
2008
121views more  ECEASST 2008»
15 years 5 months ago
Analyzing Semantic Properties of OCL Operations by Uncovering Interoperational Relationships
The OCL (Object Constraint Language) as part of the UML (Unified Modeling Language) is a rich language with different collection kinds (sets, multi-sets, sequences) and a large var...
Mirco Kuhlmann, Martin Gogolla
SAC
2011
ACM
14 years 8 months ago
A semantically rich approach for collaborative model edition
We propose a novel approach and tool for collaborative software engineering and development. In model-based software engineering, the underlying data structure is a complex, direc...
Jonathan Michaux, Xavier Blanc, Marc Shapiro, Pier...
ICDE
2007
IEEE
173views Database» more  ICDE 2007»
16 years 7 months ago
Top-k Query Processing in Uncertain Databases
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between score and uncertainty makes traditio...
Mohamed A. Soliman, Ihab F. Ilyas, Kevin Chen-Chua...