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» Semantics in Spatial Databases
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VLDB
2002
ACM
113views Database» more  VLDB 2002»
14 years 8 months ago
Searching in metric spaces by spatial approximation
We propose a new data structure to search in metric spaces. A metric space is formed by a collection of objects and a distance function de ned among them, which satis es the trian...
Gonzalo Navarro
PODS
2004
ACM
110views Database» more  PODS 2004»
14 years 8 months ago
A Characterization of First-Order Topological Properties of Planar Spatial Data
d abstract) Michael Benedikt Bell Labs Jan Van den Bussche Limburgs Universitair Centrum Christof L?oding Lehrstuhl Informatik VII RWTH Aachen Thomas Wilke Institut f?ur Informatik...
Christof Löding, Jan Van den Bussche, Michael...
DEXAW
2005
IEEE
193views Database» more  DEXAW 2005»
14 years 1 months ago
Adaptive Distributed Indexing for Spatial Queries in Sensor Networks
Sensor networks have opened new horizons and opportunities for a variety of environmental monitoring, surveillance and healthcare applications. One of the major tasks of sensor ne...
Vladimir Dyo, Cecilia Mascolo
AAAI
2006
13 years 9 months ago
Table Extraction Using Spatial Reasoning on the CSS2 Visual Box Model
Tables on web pages contain a huge amount of semantically explicit information, which makes them a worthwhile target for automatic information extraction and knowledge acquisition...
Wolfgang Gatterbauer, Paul Bohunsky
AINA
2007
IEEE
14 years 2 months ago
Grid-Aware Evaluation of Regular Path Queries on Spatial Networks
Regular path queries (RPQs), expressed as regular expressions over the alphabet of database edge-labels, are commonly used for guided navigation of graph databases. While convenie...
Zhuo Miao, Dan C. Stefanescu, Alex Thomo