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JISE
2008
127views more  JISE 2008»
13 years 8 months ago
Data Broadcast on a Multi-System Heterogeneous Overlayed Wireless Network
We propose in this paper a two-phase algorithm, named algorithm Layered-Cutting, to address the problem of broadcast program generation in a multi-system heterogeneous overlayed w...
Jiun-Long Huang, Jui-Nan Lin
INFOCOM
2010
IEEE
13 years 6 months ago
Chorus: Collision Resolution for Efficient Wireless Broadcast
Traditional wireless broadcast protocols rely heavily on the 802.11-based CSMA/CA model, which avoids interference and collision by conservatively scheduling transmissions. While C...
Xinyu Zhang, Kang G. Shin
SIGMOD
2002
ACM
124views Database» more  SIGMOD 2002»
14 years 8 months ago
Quadtree and R-tree indexes in oracle spatial: a comparison using GIS data
Spatial indexing has been one of the active focus areas in recent database research. Several variants of Quadtree and R-tree indexes have been proposed in database literature. In ...
Kothuri Venkata Ravi Kanth, Siva Ravada, Daniel Ab...
VLDB
1990
ACM
106views Database» more  VLDB 1990»
14 years 16 days ago
The Time Index: An Access Structure for Temporal Data
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
Ramez Elmasri, Gene T. J. Wuu, Yeong-Joon Kim
KDD
2000
ACM
117views Data Mining» more  KDD 2000»
14 years 2 days ago
When image indexing meets knowledge discovery
In our paper, we deal with the challenge of extending automatically the classic image indexing by visual relationship features. The visual relationship features are discovered aut...
Chabane Djeraba