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WIOPT
2010
IEEE
15 years 9 days ago
Hub-betweenness analysis in delay tolerant networks inferred by real traces
—In this paper we study the influence of using hub nodes to relay messages in human-based delay tolerant networks (DTNs), by analyzing empirical traces obtained by human mobilit...
Giuliano Grossi, Federico Pedersini
MOBIHOC
2004
ACM
16 years 1 months ago
Localized algorithms for energy efficient topology in wireless ad hoc networks
We propose several novel localized algorithms to construct energy efficient routing structures for homogeneous wireless ad hoc networks, where all nodes have same maximum transmis...
Wen-Zhan Song, Yu Wang 0003, Xiang-Yang Li
ECCV
2002
Springer
16 years 3 months ago
Transitions of the 3D Medial Axis under a One-Parameter Family of Deformations
The instabilities of the medial axis of a shape under deformations have long been recognized as a major obstacle to its use in recognition and other applications. These instabilit...
Peter J. Giblin, Benjamin B. Kimia
KDD
2009
ACM
152views Data Mining» more  KDD 2009»
16 years 2 months ago
TANGENT: a novel, 'Surprise me', recommendation algorithm
Most of recommender systems try to find items that are most relevant to the older choices of a given user. Here we focus on the "surprise me" query: A user may be bored ...
Kensuke Onuma, Hanghang Tong, Christos Faloutsos
SIGMOD
2004
ACM
149views Database» more  SIGMOD 2004»
16 years 2 months ago
Incremental Maintenance of XML Structural Indexes
Increasing popularity of XML in recent years has generated much interest in query processing over graph-structured data. To support efficient evaluation of path expressions, many ...
Ke Yi, Hao He, Ioana Stanoi, Jun Yang 0001