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VLDB
2000
ACM
136views Database» more  VLDB 2000»
13 years 11 months ago
Managing Intervals Efficiently in Object-Relational Databases
Modern database applications show a growing demand for efficient and dynamic management of intervals, particularly for temporal and spatial data or for constraint handling. Common...
Hans-Peter Kriegel, Marco Pötke, Thomas Seidl
GIS
2010
ACM
13 years 4 months ago
Time geography inverted: recognizing intentions in space and time
Mobile intention recognition is the problem of inferring a mobile user's intentions from her behavior in geographic space. Such behavior is constrained in space and time. Cur...
Peter Kiefer, Martin Raubal, Christoph Schlieder
MOBISYS
2003
ACM
14 years 7 months ago
Anonymous Usage of Location-Based Services Through Spatial and Temporal Cloaking
Advances in sensing and tracking technology enable location-based applications but they also create significant privacy risks. Anonymity can provide a high degree of privacy, save...
Marco Gruteser, Dirk Grunwald
GIS
2010
ACM
13 years 5 months ago
Querying geo-social data by bridging spatial networks and social networks
Recording the location of people using location-acquisition technologies, such as GPS, allows generating life patterns, which associate people to places they frequently visit. Con...
Yerach Doytsher, Ben Galon, Yaron Kanza
ISMIS
1997
Springer
13 years 11 months ago
Knowledge-Based Image Retrieval with Spatial and Temporal Constructs
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
Wesley W. Chu, Alfonso F. Cardenas, Ricky K. Taira