Sciweavers

DBSEC
2007
138views Database» more  DBSEC 2007»
13 years 5 months ago
A Spatio-temporal Role-Based Access Control Model
With the growing advancement of pervasive computing technologies, we are moving towards an era where spatio-temporal information will be necessary for access control. The use of su...
Indrakshi Ray, Manachai Toahchoodee
CICLING
2001
Springer
13 years 8 months ago
Spatio-temporal Indexing in Database Semantics
In logic, the spatio-temporal location of a proposition is characterized precisely within a Cartesian system of space and time coordinates. This is suitable for characterizing the ...
Roland Hausser
DIALM
2003
ACM
99views Algorithms» more  DIALM 2003»
13 years 8 months ago
Spatio-temporal data reduction with deterministic error bounds
A common way of storing spatio-temporal information about mobile devices is in the form of a 3D (2D geography + time) trajectory. We argue that when cellular phones and Personal D...
Hu Cao, Ouri Wolfson, Goce Trajcevski
ICADL
2004
Springer
174views Education» more  ICADL 2004»
13 years 9 months ago
WebGIS-RBDL - A Rare Book Digital Library Supporting Spatio-Temporary Retrieval
In order to help researchers of humanities study the cultural ancient resources from temporal and geographical perspectives, we build WebGISRBDL at Peking University. In WebGIS-RBD...
Ming Zhang, Dongqing Yang, Zhi-Hong Deng, Sai Wu, ...
ICDE
2006
IEEE
208views Database» more  ICDE 2006»
13 years 9 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