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PAKDD
2010
ACM
179views Data Mining» more  PAKDD 2010»
14 years 17 days ago
Answer Diversification for Complex Question Answering on the Web
We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
Palakorn Achananuparp, Xiaohua Hu, Tingting He, Ch...
POPL
2008
ACM
14 years 8 months ago
Demand-driven alias analysis for C
This paper presents a demand-driven, flow-insensitive analysis algorithm for answering may-alias queries. We formulate the computation of alias queries as a CFL-reachability probl...
Xin Zheng, Radu Rugina
LPNMR
2009
Springer
14 years 2 months ago
On the Input Language of ASP Grounder Gringo
We report on recent advancements in the development of grounder Gringo for logic programs under answer set semantics. Like its relatives, DLV and Lparse, Gringo has in the meantime...
Martin Gebser, Roland Kaminski, Max Ostrowski, Tor...
ASP
2003
Springer
14 years 1 months ago
Eliminating Disjunction from Propositional Logic Programs under Stable Model Preservation
Abstract. In general, disjunction is considered to add expressive power to propositional logic programs under stable model semantics, and to enlarge the range of problems which can...
Thomas Eiter, Michael Fink, Hans Tompits, Stefan W...
JELIA
2010
Springer
13 years 5 months ago
Tabling with Answer Subsumption: Implementation, Applications and Performance
Tabled Logic Programming (TLP) is becoming widely available in Prolog systems, but most implementations of TLP implement only answer variance in which an answer A is added to the t...
Terrance Swift, David Scott Warren