Sciweavers

47 search results - page 8 / 10
» Convoy Queries in Spatio-Temporal Databases
Sort
View
ICDE
2008
IEEE
161views Database» more  ICDE 2008»
14 years 9 months ago
COLR-Tree: Communication-Efficient Spatio-Temporal Indexing for a Sensor Data Web Portal
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
Yanif Ahmad, Suman Nath
DAWAK
2009
Springer
14 years 9 days ago
What Is Spatio-Temporal Data Warehousing?
Abstract. In the last years, extending OLAP (On-Line Analytical Processing) systems with spatial and temporal features has attracted the attention of of the GIS (Geographic Informa...
Alejandro A. Vaisman, Esteban Zimányi
PVLDB
2010
184views more  PVLDB 2010»
13 years 6 months ago
TimeTrails: A System for Exploring Spatio-Temporal Information in Documents
Spatial and temporal data have become ubiquitous in many application domains such as the Geosciences or life sciences. Sophisticated database management systems are employed to ma...
Jannik Strötgen, Michael Gertz
ADBIS
2000
Springer
117views Database» more  ADBIS 2000»
13 years 11 months ago
Multiversion Linear Quadtree for Spatio-Temporal Data
Research in spatio-temporal databases has largely focused on extensions of access methods for the proper handling of time changing spatial information. In this paper, we present th...
Theodoros Tzouramanis, Michael Vassilakopoulos, Ya...
ICDE
2006
IEEE
208views Database» more  ICDE 2006»
14 years 1 months ago
Approximate Video Search Based on Spatio-Temporal Information of Video Objects
The spatio-temporal information of a video object is important for content-based video retrieval. In this paper the spatio-temporal information of a video object, such as the velo...
Chia-Han Lin, Arbee L. P. Chen