Sciweavers

5608 search results - page 907 / 1122
» On the Theory of Matchgate Computations
Sort
View
SIGIR
2006
ACM
15 years 8 months 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
15 years 8 months 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»
15 years 8 months 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
15 years 8 months 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»
15 years 7 months 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