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SAC
2010
ACM
16 years 1 months ago
On processing location based top-k queries in the wireless broadcasting system
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
HaRim Jung, Byung Ku Cho, Yon Dohn Chung, Ling Liu
SI3D
2010
ACM
16 years 1 months ago
Fast capacity constrained Voronoi tessellation
Lloyd relaxation is widely employed to generate point distribution for a variety of applications in computer graphics, computer vision, and image processing. However, Lloyd relaxa...
Hongwei Li, Diego Nehab, Li-Yi Weiy, Pedro V. Sand...
EDBT
2010
ACM
135views Database» more  EDBT 2010»
16 years 1 months ago
Region-based online promotion analysis
This paper addresses a fundamental and challenging problem with broad applications: efficient processing of region-based promotion queries, i.e., to discover the top-k most inter...
Tianyi Wu, Yizhou Sun, Cuiping Li, Jiawei Han
WEA
2010
Springer
289views Algorithms» more  WEA 2010»
16 years 1 months ago
Experiments with a Generic Dantzig-Wolfe Decomposition for Integer Programs
Abstract We report on experiments with turning the branch-price-andcut framework SCIP into a generic branch-price-and-cut solver. That is, given a mixed integer program (MIP), our ...
Gerald Gamrath, Marco E. Lübbecke
174
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ASUNAM
2009
IEEE
16 years 1 months ago
Dynamics of Inter-Meeting Time in Human Contact Networks
—We envision new communication paradigms, using physical dynamic interconnectedness among people. Delay Tolerant Networks (DTNs) are a new communication paradigm to support such ...
Eiko Yoneki, Dan Greenfield, Jon Crowcroft