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INFORMS
2010
13 years 8 months ago
2010
We develop a solution approach for the fixed charge network flow problem (FCNF) that produces provably high-quality solutions quickly. The solution approach combines mathematica...
GECCO
2004
Springer
14 years 3 months ago
2004
Springer
The prize-collecting Steiner tree problem on a graph with edge costs and vertex profits asks for a subtree minimizing the sum of the total cost of all edges in the subtree plus th...
ESWS
2008
Springer
13 years 11 months ago
2008
Springer
Many tasks on the semantic web require the user to choose concepts from a limited vocabulary e.g. for describing an indexed resource or for use in semantic search. Semantic autocom...
ECIR
2011
Springer
13 years 1 months ago
2011
Springer
In the context of biomedical information retrieval (IR), this paper explores the relationship between the document’s global context and the query’s local context in an attempt ...
PROCEDIA
2010
13 years 8 months ago
2010
We present an adaptive multilevel generalized SQP method to solve PDAE-constrained optimization problems. It explicitly allows the use of independent integration schemes such that...