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» A System for Semantic Query Optimization
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MIDDLEWARE
2004
Springer
14 years 1 months ago
Developing and Managing Software Components in an Ontology-Based Application Server
Application servers provide many functionalities commonly needed in the development of a complex distributed application. So far, the functionalities have mostly been developed an...
Daniel Oberle, Andreas Eberhart, Steffen Staab, Ra...
ICLP
2010
Springer
13 years 12 months ago
Bisimilarity in Concurrent Constraint Programming
Abstract. In this doctoral work we aim at developing a new approach to labelled semantics and equivalences for the Concurrent Constraint Programming (CCP) which will enable a broad...
Andres A. Aristizabal P.
PVLDB
2010
204views more  PVLDB 2010»
13 years 6 months ago
Cheetah: A High Performance, Custom Data Warehouse on Top of MapReduce
Large-scale data analysis has become increasingly important for many enterprises. Recently, a new distributed computing paradigm, called MapReduce, and its open source implementat...
Songting Chen
PODS
2007
ACM
159views Database» more  PODS 2007»
14 years 8 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...
CIKM
2005
Springer
14 years 1 months ago
Internet scale string attribute publish/subscribe data networks
With this work we aim to make a three-fold contribution. We first address the issue of supporting efficiently queries over string-attributes involving prefix, suffix, containmen...
Ioannis Aekaterinidis, Peter Triantafillou