5205 search results - page 943 / 1041 » Tilings and model theory |
205
click to vote
ICDT
2012
ACM
13 years 8 months ago
2012
ACM
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...
214
click to vote
DIALM
2003
ACM
15 years 11 months ago
2003
ACM
We propose a novel localized algorithm that constructs a bounded degree and planar spanner for wireless ad hoc networks modeled by unit disk graph (UDG). Every node only has to kn...
187
click to vote
WWW
2009
ACM
16 years 7 months ago
2009
ACM
Social media websites promote diverse user interaction on media objects as well as user actions with respect to other users. The goal of this work is to discover community structu...
161
click to vote
WWW
2008
ACM
16 years 7 months ago
2008
ACM
Online auctions have become a pervasive transaction mechanism for e-commerce. As the largest online marketplace in the world, eBay is an attractive case study that enables the stu...
179
click to vote
WWW
2006
ACM
16 years 7 months ago
2006
ACM
The asymmetry of activity in virtual communities is of great interest. While participation in the activities of virtual communities is crucial for a community's survival and ...