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CONTEXT
2007
Springer
15 years 10 months ago
Of Situations and Their Neighbors
Ontology-based approaches to situation awareness have gained increasing popularity in recent years. However, most current approaches face two inherent problems. First, they lack su...
Norbert Baumgartner, Werner Retschitzegger, Wielan...
DSVIS
2003
Springer
15 years 9 months ago
Workspaces: A Multi-level Architectural Style for Synchronous Groupware
We present a new architectural style for synchronous groupware that eases the transition from scenario based modeling to component design, and from component design to distributed ...
W. Greg Phillips, T. C. Nicholas Graham
SIGIR
2009
ACM
15 years 11 months ago
Query dependent pseudo-relevance feedback based on wikipedia
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
Yang Xu, Gareth J. F. Jones, Bin Wang
SIGMOD
2001
ACM
104views Database» more  SIGMOD 2001»
16 years 4 months ago
Independence is Good: Dependency-Based Histogram Synopses for High-Dimensional Data
Approximating the joint data distribution of a multi-dimensional data set through a compact and accurate histogram synopsis is a fundamental problem arising in numerous practical ...
Amol Deshpande, Minos N. Garofalakis, Rajeev Rasto...
BALT
2010
14 years 11 months ago
Interoperability Services for Models and Ontologies
Model-based approaches in the UML/MOF technological space and ontology-based approaches in the OWL technological space both support conceptual modeling using different kinds of rep...
Jürgen Ebert, Tobias Walter