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HEURISTICS
2010
13 years 4 months ago
A large neighbourhood search approach to the multi-activity shift scheduling problem
The challenge in shift scheduling lies in the construction of a set of work shifts, which are subject to specific regulations, in order to cover fluctuating staff demands. This pro...
Claude-Guy Quimper, Louis-Martin Rousseau
LREC
2010
181views Education» more  LREC 2010»
13 years 11 months ago
Generating FrameNets of Various Granularities: The FrameNet Transformer
We present a method and a software tool, the FrameNet Transformer, for deriving customized versions of the FrameNet database based on frame and frame element relations. The FrameN...
Josef Ruppenhofer, Jonas Sunde, Manfred Pinkal
EOR
2007
76views more  EOR 2007»
13 years 10 months ago
Strategic interactions between channel structure and demand enhancing services
In this paper, we investigate how opportunities to invest in demand enhancing services for a product line affect the interactions between a manufacturer and her dealer. Many dema...
Yusen Xia, Stephen M. Gilbert
APPROX
2010
Springer
132views Algorithms» more  APPROX 2010»
13 years 11 months ago
Relativized Worlds without Worst-Case to Average-Case Reductions for NP
We prove that relative to an oracle, there is no worst-case to average-case reduction for NP. We also handle classes that are somewhat larger than NP, as well as worst-case to err...
Thomas Watson
LREC
2010
142views Education» more  LREC 2010»
13 years 11 months ago
The Nijmegen Corpus of Casual Spanish
This article describes the preparation, recording and orthographic transcription of a new speech corpus, the Nijmegen Corpus of Casual Spanish (NCCSp). The corpus contains around ...
Francisco Torreira, Mirjam Ernestus