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» Expressive and Efficient Peer-to-Peer Queries
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SIGMOD
2003
ACM
239views Database» more  SIGMOD 2003»
14 years 11 months ago
D(k)-Index: An Adaptive Structural Summary for Graph-Structured Data
To facilitate queries over semi-structured data, various structural summaries have been proposed. Structural summaries are derived directly from the data and serve as indices for ...
Chen Qun, Andrew Lim, Kian Win Ong
POPL
2002
ACM
14 years 11 months ago
Stochastic lambda calculus and monads of probability distributions
Probability distributions are useful for expressing the meanings of probabilistic languages, which support formal modeling of and reasoning about uncertainty. Probability distribu...
Norman Ramsey, Avi Pfeffer
BDA
2006
14 years 7 days ago
Matching Algorithms for User Notification in Digital Libraries
We consider a publish/subscribe system for digital libraries which continuously evaluates queries over a large repository containing document descriptions. The subscriptions, the ...
Hanen Belhaj Frej, Philippe Rigaux, Nicolas Spyrat...
DEXA
2010
Springer
180views Database» more  DEXA 2010»
13 years 12 months ago
Approximate Instance Retrieval on Ontologies
With the development of more expressive description logics (DLs) for the Web Ontology Language OWL the question arises how we can properly deal with the high computational complexi...
Tuvshintur Tserendorj, Stephan Grimm, Pascal Hitzl...
PERCOM
2009
ACM
14 years 11 months ago
Programmable Presence Virtualization for Next-Generation Context-Based Applications
Abstract--Presence, broadly defined as an event publishnotification infrastructure for converged applications, has emerged as a key mechanism for collecting and disseminating conte...
Arup Acharya, Nilanjan Banerjee, Dipanjan Chakrabo...