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» Temporal Queries in OLAP
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ICDE
2008
IEEE
162views Database» more  ICDE 2008»
16 years 5 months ago
Querying Complex Spatio-Temporal Sequences in Human Motion Databases
Content-based retrieval of spatio-temporal patterns from human motion databases is inherently nontrivial since finding effective distance measures for such data is difficult. These...
Yueguo Chen, Shouxu Jiang, Beng Chin Ooi, Anthony ...
CVPR
2004
IEEE
16 years 6 months ago
Selecting Ghosts and Queues from a Car Trackers Output Using a Spatio-Temporal Query Language
This paper presents a spatio-temporal query language useful for video interpretation and event recognition. The language is suited to describe configurations of objects moving on ...
Christian Köhler
ICDE
2008
IEEE
161views Database» more  ICDE 2008»
16 years 5 months ago
Convoy Queries in Spatio-Temporal Databases
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
Hoyoung Jeung, Heng Tao Shen, Xiaofang Zhou
MDM
2007
Springer
195views Communications» more  MDM 2007»
15 years 10 months ago
BORA: Routing and Aggregation for Distributed Processing of Spatio-Temporal Range Queries
This work tackles the problem of answer-aggregation for continuous spatio-temporal range queries in distributed settings. We assume a grid-like coverage of the spatial universe of...
Goce Trajcevski, Hui Ding, Peter Scheuermann, Isab...
ICDE
2007
IEEE
116views Database» more  ICDE 2007»
16 years 5 months ago
X-Time: Schema Versioning and Cross-Version Querying in Data Warehouses
In this demo we present X-Time, a prototype for managing schema versioning in relational data warehouses, specifically oriented to support the formulation of crossversion queries,...
Stefano Rizzi, Matteo Golfarelli