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ICDIM
2009
IEEE
14 years 3 months ago
The mqr-tree: Improving upon a 2-dimensional spatial access method
We propose the mqr-tree, a two-dimensional spatial access method that improves upon the 2DR-tree. The 2DRtree uses two-dimensional nodes so that the relationships between all obje...
Marc Moreau, Wendy Osborn, Brad Anderson
VLDB
1993
ACM
73views Database» more  VLDB 1993»
14 years 28 days ago
A Model of Methods Access Authorization in Object-oriented Databases
Object-oriented databases are a recent and important development and many studies of them have been performed. These consider aspects such as data modeling, query languages, perfo...
Nurit Gal-Oz, Ehud Gudes, Eduardo B. Fernán...
VLDB
2000
ACM
177views Database» more  VLDB 2000»
14 years 13 days ago
The BT-tree: A Branched and Temporal Access Method
Temporal databases assume a single line of time evolution. In other words, they support timeevolving data. However there are applications which require the support of temporal dat...
Linan Jiang, Betty Salzberg, David B. Lomet, Manue...
EDBT
2006
ACM
121views Database» more  EDBT 2006»
14 years 9 months ago
On Fast Non-metric Similarity Search by Metric Access Methods
Abstract. The retrieval of objects from a multimedia database employs a measure which defines a similarity score for every pair of objects. The measure should effectively follow th...
Tomás Skopal
VTC
2006
IEEE
14 years 2 months ago
Proposition of a full deterministic medium access method for wireless network in a robotic application
—Today, many network applications require shorter react time. Robotic field is an excellent example of these needs: robot react time has a direct effect on its task’s complexit...
Adrien van den Bossche, Thierry Val, Eric Campo