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WEBI
2010
Springer
14 years 7 months ago
Learning in Presence of Ontology Mapping Errors
The widespread use of ontologies to associate semantics with data has resulted in a growing interest in the problem of learning predictive models from data sources that use differe...
Neeraj Koul, Vasant Honavar
EJC
2008
14 years 9 months ago
On digraph coloring problems and treewidth duality
It is known that every constraint-satisfaction problem (CSP) reduces, and is in fact polynomially equivalent, to a digraph coloring problem. By carefully analyzing the constructio...
Albert Atserias
MINENET
2006
ACM
15 years 3 months ago
Mining web logs to debug distant connectivity problems
Content providers base their business on their ability to receive and answer requests from clients distributed across the Internet. Since disruptions in the flow of these request...
Emre Kiciman, David A. Maltz, Moisés Goldsz...
TCBB
2008
73views more  TCBB 2008»
14 years 9 months ago
Nature Reserve Selection Problem: A Tight Approximation Algorithm
The Nature Reserve Selection Problem is a problem that arises in the context of studying biodiversity conservation. Subject to budgetary constraints, the problem is to select a set...
Magnus Bordewich, Charles Semple
ICTAI
2003
IEEE
15 years 3 months ago
Partitioning of Temporal Planning Problems in Mixed Space Using the Theory of Extended Saddle Points
We study the partitioning of temporal planning problems formulated as mixed-integer nonlinear programming problems, develop methods to reduce the search space of partitioned subpr...
Benjamin W. Wah, Yixin Chen