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» On the Theory of Matchgate Computations
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SIGIR
2006
ACM
16 years 15 days ago
Improving the estimation of relevance models using large external corpora
Information retrieval algorithms leverage various collection statistics to improve performance. Because these statistics are often computed on a relatively small evaluation corpus...
Fernando Diaz, Donald Metzler
SIGIR
2006
ACM
16 years 15 days ago
LDA-based document models for ad-hoc retrieval
Search algorithms incorporating some form of topic model have a long history in information retrieval. For example, cluster-based retrieval has been studied since the 60s and has ...
Xing Wei, W. Bruce Croft
VALUETOOLS
2006
ACM
166views Hardware» more  VALUETOOLS 2006»
16 years 15 days ago
Fairness considerations of scheduling in multi-server and multi-queue systems
— Multi-server and multi-queue architectures are common mechanisms used in a large variety of applications (call centers, Web services, computer systems). One of the major motiva...
David Raz, Benjamin Avi-Itzhak, Hanoch Levy
WIKIS
2006
ACM
16 years 15 days ago
Is there a space for the teacher in a WIKI?
In this paper we ask to what extent collective cognition can be supported and sustained in classroom practices. One major challenge for learning in technology-rich, collaborative ...
Andreas Lund, Ole Smørdal
GLVLSI
2005
IEEE
110views VLSI» more  GLVLSI 2005»
16 years 5 days ago
QCA channel routing with wire crossing minimization
Quantum-dot Cellular Automata (QCA) is a novel computing mechanism that can represent binary information based on spatial distribution of electron charge configuration in chemica...
Brian Stephen Smith, Sung Kyu Lim