Sciweavers

612 search results - page 113 / 123
» Hardness assumptions in the foundations of theoretical compu...
Sort
View
GIS
2002
ACM
13 years 7 months ago
Remote access to large spatial databases
Enterprises in the public and private sectors have been making their large spatial data archives available over the Internet. However, interactive work with such large volumes of ...
Egemen Tanin, Frantisek Brabec, Hanan Samet
PODS
2012
ACM
281views Database» more  PODS 2012»
11 years 10 months ago
Mergeable summaries
We study the mergeability of data summaries. Informally speaking, mergeability requires that, given two summaries on two data sets, there is a way to merge the two summaries into ...
Pankaj K. Agarwal, Graham Cormode, Zengfeng Huang,...
PODC
2009
ACM
14 years 4 months ago
The wireless synchronization problem
In this paper, we study the wireless synchronization problem which requires devices activated at different times on a congested single-hop radio network to synchronize their roun...
Shlomi Dolev, Seth Gilbert, Rachid Guerraoui, Fabi...
COMPGEOM
2010
ACM
14 years 23 days ago
The 2-center problem in three dimensions
Let P be a set of n points in R3 . The 2-center problem for P is to find two congruent balls of the minimum radius whose union covers P. We present two randomized algorithms for ...
Pankaj K. Agarwal, Rinat Ben Avraham, Micha Sharir
SC
1995
ACM
13 years 11 months ago
Analysis of Multilevel Graph Partitioning
Recently, a number of researchers have investigated a class of algorithms that are based on multilevel graph partitioning that have moderate computational complexity, and provide ...
George Karypis, Vipin Kumar