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CLOUDCOM
2010
Springer
15 years 4 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...
ICMCS
2006
IEEE
170views Multimedia» more  ICMCS 2006»
16 years 1 months ago
Automatic Query Expansion for News Video Retrieval
In this paper, we present an integrated system for news video retrieval. The proposed system incorporates both speech and visual information in the search mechanisms. The initial ...
Yun Zhai, Jingen Liu, Mubarak Shah
SIGMOD
2012
ACM
246views Database» more  SIGMOD 2012»
13 years 10 months ago
Skimmer: rapid scrolling of relational query results
A relational database often yields a large set of tuples as the result of a query. Users browse this result set to find the information they require. If the result set is large, ...
Manish Singh, Arnab Nandi, H. V. Jagadish
INFOCOM
2012
IEEE
13 years 10 months ago
Secure top-k query processing via untrusted location-based service providers
Abstract—This paper considers a novel distributed system for collaborative location-based information generation and sharing which become increasingly popular due to the explosiv...
Rui Zhang 0007, Yanchao Zhang, Chi Zhang
ICDE
2007
IEEE
113views Database» more  ICDE 2007»
16 years 8 months ago
Reducing Order Enforcement Cost in Complex Query Plans
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...
Ravindra Guravannavar, S. Sudarshan