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» On the Covering Steiner Problem
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IPCO
2007
108views Optimization» more  IPCO 2007»
15 years 2 months ago
Robust Combinatorial Optimization with Exponential Scenarios
Following the well-studied two-stage optimization framework for stochastic optimization [15, 18], we study approximation algorithms for robust two-stage optimization problems with ...
Uriel Feige, Kamal Jain, Mohammad Mahdian, Vahab S...
PKDD
2007
Springer
107views Data Mining» more  PKDD 2007»
15 years 7 months ago
An Empirical Comparison of Exact Nearest Neighbour Algorithms
Nearest neighbour search (NNS) is an old problem that is of practical importance in a number of fields. It involves finding, for a given point q, called the query, one or more po...
Ashraf M. Kibriya, Eibe Frank
COLING
2008
15 years 2 months ago
Detecting Multiple Facets of an Event using Graph-Based Unsupervised Methods
We propose a new unsupervised method for topic detection that automatically identifies the different facets of an event. We use pointwise Kullback-Leibler divergence along with th...
Pradeep Muthukrishnan, Joshua Gerrish, Dragomir R....
ECAI
2000
Springer
15 years 5 months ago
Search Pruning Conditions for Boolean Optimization
This paper proposes new algorithms for the Binate Covering Problem (BCP), a well-known restriction of Boolean Optimization. Binate Covering finds application in many areas of Com...
Vasco M. Manquinho, João P. Marques Silva
89
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ESA
2007
Springer
125views Algorithms» more  ESA 2007»
15 years 7 months ago
Pricing Tree Access Networks with Connected Backbones
Consider the following network subscription pricing problem. We are given a graph G = (V, E) with a root r, and potential customers are companies headquartered at r with locations...
Vineet Goyal, Anupam Gupta, Stefano Leonardi, R. R...