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105
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WEBI
2007
Springer
15 years 9 months ago
Mapping Ontologies Elements using Features in a Latent Space
This paper proposes a method for the mapping of ontologies that, in a greater extent than other approaches, discovers and exploits sets of latent features for approximating the in...
Vassilis Spiliopoulos, George A. Vouros, Vangelis ...
DIS
2001
Springer
15 years 8 months ago
Towards a Method of Searching a Diverse Theory Space for Scientific Discovery
Scientists need customizable tools to help them with discovery. We present an adjustable heuristic function for scientific discovery. This function may be considered in either a Mi...
Joseph Phillips
150
Voted
SEBD
2003
144views Database» more  SEBD 2003»
15 years 5 months ago
Approximate Query Answering on Sensor Network Data Streams
Abstract. Sensor networks represent a non traditional source of information, as readings generated by sensors flow continuously, leading to an infinite stream of data. Traditiona...
Alfredo Cuzzocrea, Filippo Furfaro, Elio Masciari,...
CORR
2012
Springer
228views Education» more  CORR 2012»
13 years 11 months ago
Faster Approximate Distance Queries and Compact Routing in Sparse Graphs
A distance oracle is a compact representation of the shortest distance matrix of a graph. It can be queried to retrieve approximate distances and corresponding paths between any p...
Rachit Agarwal, Brighten Godfrey, Sariel Har-Peled
137
Voted
COMPGEOM
2006
ACM
15 years 9 months ago
Embedding ultrametrics into low-dimensional spaces
We study the problem of minimum-distortion embedding of ultrametrics into the plane and higher dimensional spaces. Ultrametrics are a natural class of metrics that frequently occu...
Mihai Badoiu, Julia Chuzhoy, Piotr Indyk, Anastasi...