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» The Expression Problem Revisited
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SIGIR
2012
ACM
13 years 3 months ago
Unsupervised linear score normalization revisited
We give a fresh look into score normalization for merging result-lists, isolating the problem from other components. We focus on three of the simplest, practical, and widelyused l...
Ilya Markov, Avi Arampatzis, Fabio Crestani
PODS
2008
ACM
178views Database» more  PODS 2008»
16 years 26 days ago
The chase revisited
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
Alin Deutsch, Alan Nash, Jeffrey B. Remmel
101
Voted
SIGECOM
2006
ACM
119views ECommerce» more  SIGECOM 2006»
15 years 6 months ago
Nash equilibria in graphical games on trees revisited
Graphical games have been proposed as a game-theoretic model of large-scale distributed networks of non-cooperative agents. When the number of players is large, and the underlying...
Edith Elkind, Leslie Ann Goldberg, Paul W. Goldber...
INFOCOM
2005
IEEE
15 years 6 months ago
Link scheduling in sensor networks: distributed edge coloring revisited
— We consider the problem of link scheduling in a sensor network employing a TDMA MAC protocol. Our link scheduling algorithm involves two phases. In the first phase, we assign ...
Shashidhar Gandham, Milind Dawande, Ravi Prakash
113
Voted
MOBICOM
2004
ACM
15 years 6 months ago
Revisiting the TTL-based controlled flooding search: optimality and randomization
In this paper we consider the problem of searching for a node or an object (i.e., piece of data, file, etc.) in a large network. Applications of this problem include searching fo...
Nicholas B. Chang, Mingyan Liu