Sciweavers

1888 search results - page 240 / 378
» Algorithms for Querying by Spatial Structure
Sort
View
WWW
2007
ACM
14 years 10 months ago
A mobile application framework for the geospatial web
In this paper we present an application framework that leverages geospatial content on the World Wide Web by enabling innovative modes of interaction and novel types of user inter...
Peter Fröhlich, Rainer Simon
ML
2000
ACM
150views Machine Learning» more  ML 2000»
13 years 9 months ago
Adaptive Retrieval Agents: Internalizing Local Context and Scaling up to the Web
This paper discusses a novel distributed adaptive algorithm and representation used to construct populations of adaptive Web agents. These InfoSpiders browse networked information ...
Filippo Menczer, Richard K. Belew
SSD
2005
Springer
153views Database» more  SSD 2005»
14 years 2 months ago
Constrained Shortest Path Computation
This paper proposes and solves a-autonomy and k-stops shortest path problems in large spatial databases. Given a source s and a destination d, an aautonomy query retrieves a sequen...
Manolis Terrovitis, Spiridon Bakiras, Dimitris Pap...
STOC
1998
ACM
190views Algorithms» more  STOC 1998»
14 years 1 months ago
Efficient Search for Approximate Nearest Neighbor in High Dimensional Spaces
We address the problem of designing data structures that allow efficient search for approximate nearest neighbors. More specifically, given a database consisting of a set of vecto...
Eyal Kushilevitz, Rafail Ostrovsky, Yuval Rabani
MIR
2010
ACM
232views Multimedia» more  MIR 2010»
14 years 4 months ago
Exploiting external knowledge to improve video retrieval
Most video retrieval systems are multimodal, commonly relying on textual information, low- and high-level semantic features extracted from query visual examples. In this work, we ...
David Vallet, Iván Cantador, Joemon M. Jose