Sciweavers

1430 search results - page 61 / 286
» Query operations for moving objects database systems
Sort
View
JUCS
2002
231views more  JUCS 2002»
13 years 8 months ago
Efficient Content-Based and Metadata Retrieval in Image Database
: Managing image data in a database system using metadata has been practiced since the last two decades. However, describing an image fully and adequately with metadata is practica...
Solomon Atnafu, Richard Chbeir, Lionel Brunie
ICDE
2006
IEEE
225views Database» more  ICDE 2006»
14 years 2 months ago
Continuous Reverse Nearest Neighbor Monitoring
Continuous spatio-temporal queries have recently received increasing attention due to the abundance of location-aware applications. This paper addresses the Continuous Reverse Nea...
Tian Xia, Donghui Zhang
ICDE
2002
IEEE
136views Database» more  ICDE 2002»
14 years 10 months ago
Mixing Querying and Navigation in MIX
Web-based information systems provide to their users the ability to interleave querying and browsing during their information discovery efforts. The MIX system provides an API cal...
Pratik Mukhopadhyay, Yannis Papakonstantinou
DASFAA
2007
IEEE
178views Database» more  DASFAA 2007»
14 years 3 months ago
ClusterSheddy : Load Shedding Using Moving Clusters over Spatio-temporal Data Streams
Abstract. Moving object environments are characterized by large numbers of objects continuously sending location updates. At times, data arrival rates may spike up, causing the loa...
Rimma V. Nehme, Elke A. Rundensteiner
SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
14 years 29 days ago
Predicate Migration: Optimizing Queries with Expensive Predicates
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
Joseph M. Hellerstein, Michael Stonebraker