1499 search results - page 279 / 300 » Issues in Distance Education |
STOC
2005
ACM
14 years 8 months ago
2005
ACM
A low-distortion embedding between two metric spaces is a mapping which preserves the distances between each pair of points, up to a small factor called distortion. Low-distortion...
VLDB
2006
ACM
14 years 8 months ago
2006
ACM
Abstract Traditional nearest-neighbor (NN) search is based on two basic indexing approaches: object-based indexing and solution-based indexing. The former is constructed based on t...
MOBIHOC
2002
ACM
14 years 8 months ago
2002
ACM
We examine two aspects concerning the influence of unidirectional links on routing performance in multihop wireless networks. In the first part of the paper, we evaluate the benef...
SAC
2010
ACM
14 years 3 months ago
2010
ACM
Target tracking is an important issue in wireless sensor network applications. In this paper, we design a Coverage-Hole Trap Model (CTM) based on a system that contains one moving...
CHI
2009
ACM
14 years 3 months ago
2009
ACM
One of the major challenges of video game design is to have appropriate difficulty levels for users in order to maximize the entertainment value of the game. Game players may lose...