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ACL
2009
14 years 7 months ago
Sentence diagram generation using dependency parsing
Dependency parsers show syntactic relations between words using a directed graph, but comparing dependency parsers is difficult because of differences in theoretical models. We de...
Elijah Mayfield
WINE
2005
Springer
122views Economy» more  WINE 2005»
15 years 3 months ago
Walrasian Equilibrium: Hardness, Approximations and Tractable Instances
We study the complexity issues for Walrasian equilibrium in a special case of combinatorial auction, called single-minded auction, in which every participant is interested in only ...
Ning Chen, Atri Rudra
CPM
2005
Springer
116views Combinatorics» more  CPM 2005»
15 years 3 months ago
Exact and Approximation Algorithms for DNA Tag Set Design
In this paper we propose new solution methods for designing tag sets for use in universal DNA arrays. First, we give integer linear programming formulations for two previous formal...
Ion I. Mandoiu, Dragos Trinca
AGILE
2009
Springer
210views GIS» more  AGILE 2009»
15 years 4 months ago
Detecting Hotspots in Geographic Networks
We study a point pattern detection problem on networks, motivated by geographical analysis tasks, such as crime hotspot detection. Given a network N (for example, a street, train,...
Kevin Buchin, Sergio Cabello, Joachim Gudmundsson,...
BROADNETS
2006
IEEE
15 years 3 months ago
Complexity of Converter Placement Supporting Broadcast in WDM Networks
Abstract— Wavelength converters simplify the wavelength assignment problem in virtual topology design in optical networks and increase the utilization of the fiber bandwidth. Ho...
Rudra Dutta, Prashant Iyer, Carla D. Savage