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JAC
2008
15 years 3 months ago
Amalgamation of cellular automata
In this paper, we study amalgamations of cellular automata (CA), i.e. ways of combining two CA by disjoint union. We show that for several families of CA obtained by simple amalgam...
Guillaume Theyssier
NAACL
2007
15 years 3 months ago
A Case For Shorter Queries, and Helping Users Create Them
Information retrieval systems are frequently required to handle long queries. Simply using all terms in the query or relying on the underlying retrieval model to appropriately wei...
Giridhar Kumaran, James Allan
AAAI
2006
15 years 2 months ago
Improved Bounds for Computing Kemeny Rankings
Voting (or rank aggregation) is a general method for aggregating the preferences of multiple agents. One voting rule of particular interest is the Kemeny rule, which minimizes the...
Vincent Conitzer, Andrew J. Davenport, Jayant Kala...
AIPS
2006
15 years 2 months ago
Spacetrack: Trading off Quality and Utilization in Oversubscribed Schedules
Many scheduling problems are posed as optimization problems where the goal is to find a feasible schedule that maximizes the utilization of some resource. In some domains it is al...
Andrew M. Sutton, Adele E. Howe, L. Darrell Whitle...
AVI
2006
15 years 2 months ago
An explorative analysis of user evaluation studies in information visualisation
This paper presents an analysis of user studies from a review of papers describing new visualisation applications and uses these to highlight various issues related to the evaluat...
Geoffrey Ellis, Alan J. Dix