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ERCIMDL
2007
Springer
137views Education» more  ERCIMDL 2007»
15 years 4 months ago
Ontology-Based Question Answering for Digital Libraries
Abstract. In this paper we present an approach to question answering over heterogeneous knowledge sources that makes use of different ontology management components within the sce...
Stephan Bloehdorn, Philipp Cimiano, Alistair Duke,...
GECCO
2007
Springer
235views Optimization» more  GECCO 2007»
15 years 4 months ago
ACO vs EAs for solving a real-world frequency assignment problem in GSM networks
Frequency planning is a very important task for current GSM operators. In this work we present a new mathematical formulation of the problem in which the frequency plans are evalu...
Francisco Luna, Christian Blum, Enrique Alba, Anto...
HPCC
2007
Springer
15 years 4 months ago
Parallel Database Sort and Join Operations Revisited on Grids
Based on the renowned method of Bitton et al. (see [1]) we develop a concise but comprehensive analytical model for the well-known Binary Merge Sort, Bitonic Sort, Nested-Loop Join...
Werner Mach, Erich Schikuta
ICANN
2007
Springer
15 years 4 months ago
MaxSet: An Algorithm for Finding a Good Approximation for the Largest Linearly Separable Set
Finding the largest linearly separable set of examples for a given Boolean function is a NP-hard problem, that is relevant to neural network learning algorithms and to several prob...
Leonardo Franco, José Luis Subirats, Jos&ea...
ICDT
2007
ACM
90views Database» more  ICDT 2007»
15 years 4 months ago
On the Expressiveness of Implicit Provenance in Query and Update Languages
Abstract. Information concerning the origin of data (that is, its provenance) is important in many areas, especially scientific recordkeeping. Currently, provenance information mu...
Peter Buneman, James Cheney, Stijn Vansummeren