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CW
2003
IEEE
14 years 3 months ago
2003
IEEE
Space is important for learning and socializing. Cyberworlds provide a new space for socialization and communication with a great degree of flexibility, allowing users to create a...
JGAA
2007
13 years 10 months ago
2007
In the last decade several algorithms that generate straight-line drawings of general large graphs have been invented. In this paper we investigate some of these methods that are ...
JGAA
2007
13 years 10 months ago
2007
Spectral methods are naturally suited for dynamic graph layout because, usually, moderate changes of a graph yield moderate changes of the layout. We discuss some general principl...
EOR
2010
13 years 7 months ago
2010
: We present new valid inequalities for 0-1 programming problems that work in similar ways to well known cover inequalities. Discussion and analysis of these cuts is followed by th...
ACL
2012
12 years 17 days ago
2012
Writing in English might be one of the most difficult tasks for EFL (English as a Foreign Language) learners. This paper presents FLOW, a writing assistance system. It is built ba...