Sciweavers

243 search results - page 34 / 49
» A Privacy-Preserving Index for Range Queries
Sort
View
CSE
2009
IEEE
14 years 2 months ago
Private Buddy Search: Enabling Private Spatial Queries in Social Networks
—With the abundance of location-aware portable devices such as cellphones and PDAs, a new emerging application is to use this pervasive computing platform to learn about the wher...
Ali Khoshgozaran, Cyrus Shahabi
VLDB
2001
ACM
115views Database» more  VLDB 2001»
14 years 2 days ago
Dynamic Update Cube for Range-sum Queries
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...
Seok-Ju Chun, Chin-Wan Chung, Ju-Hong Lee, Seok-Ly...
CLOUDCOM
2010
Springer
13 years 5 months ago
Voronoi-Based Geospatial Query Processing with MapReduce
Geospatial queries (GQ) have been used in a wide variety of applications such as decision support systems, profile-based marketing, bioinformatics and GIS. Most of the existing qu...
Afsin Akdogan, Ugur Demiryurek, Farnoush Banaei Ka...
ICDE
2006
IEEE
215views Database» more  ICDE 2006»
14 years 9 months ago
cgmOLAP: Efficient Parallel Generation and Querying of Terabyte Size ROLAP Data Cubes
In this demo we present the cgmOLAP server, the first fully functional parallel OLAP system able to build data cubes at a rate of more than 1 Terabyte per hour. cgmOLAP incorporat...
Ying Chen, Andrew Rau-Chaplin, Frank K. H. A. Dehn...
SIGMOD
2009
ACM
155views Database» more  SIGMOD 2009»
14 years 7 months ago
Efficient top-k algorithms for fuzzy search in string collections
An approximate search query on a collection of strings finds those strings in the collection that are similar to a given query string, where similarity is defined using a given si...
Rares Vernica, Chen Li