Sciweavers

28 search results - page 3 / 6
» Dynamic skyline queries in metric spaces
Sort
View
MIR
2006
ACM
162views Multimedia» more  MIR 2006»
14 years 2 months ago
Dynamic similarity search in multi-metric spaces
An important research issue in multimedia databases is the retrieval of similar objects. For most applications in multimedia databases, an exact search is not meaningful. Thus, mu...
Benjamin Bustos, Tomás Skopal
VLDB
2007
ACM
169views Database» more  VLDB 2007»
14 years 8 months ago
Peer-to-Peer Similarity Search in Metric Spaces
This paper addresses the efficient processing of similarity queries in metric spaces, where data is horizontally distributed across a P2P network. The proposed approach does not r...
Christos Doulkeridis, Akrivi Vlachou, Yannis Kotid...
DEXA
2009
Springer
222views Database» more  DEXA 2009»
14 years 3 months ago
On Index-Free Similarity Search in Metric Spaces
Metric access methods (MAMs) serve as a tool for speeding similarity queries. However, all MAMs developed so far are index-based; they need to build an index on a given database. T...
Tomás Skopal, Benjamin Bustos
GIS
2005
ACM
14 years 9 months ago
Improving the R*-tree with outlier handling techniques
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
Tian Xia, Donghui Zhang
SEBD
1997
158views Database» more  SEBD 1997»
13 years 10 months ago
Indexing Metric Spaces with M-Tree
M-tree is a dynamic access method suitable to index generic “metric spaces”, where the function used to compute the distance between any two objects satisfies the positivity, ...
Paolo Ciaccia, Marco Patella, Fausto Rabitti, Pave...