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GEOINFORMATICA
2011
15 years 1 months ago
Functional description of geoprocessing services as conjunctive datalog queries
Discovery of suitable web services is a crucial task in Spatial Data Infrastructures (SDI). In this work, we develop a novel approach to the discovery of geoprocessing services (WP...
Daniel Fitzner, Jörg Hoffmann, Eva Klien
CIKM
2008
Springer
15 years 8 months ago
Traditional resources help interpret texts
Simple word matching between the user query and document is common, as are mis-matches of meaning that occur as a consequence, and errors in recall. These defects in the "bag...
Judith Gelernter, Michael E. Lesk
ICDE
2008
IEEE
162views Database» more  ICDE 2008»
16 years 8 months ago
Querying Complex Spatio-Temporal Sequences in Human Motion Databases
Content-based retrieval of spatio-temporal patterns from human motion databases is inherently nontrivial since finding effective distance measures for such data is difficult. These...
Yueguo Chen, Shouxu Jiang, Beng Chin Ooi, Anthony ...
ICDE
2005
IEEE
128views Database» more  ICDE 2005»
16 years 8 months ago
Exploiting Correlated Attributes in Acquisitional Query Processing
Sensor networks and other distributed information systems (such as the Web) must frequently access data that has a high per-attribute acquisition cost, in terms of energy, latency...
Amol Deshpande, Carlos Guestrin, Wei Hong, Samuel ...
WWW
2009
ACM
16 years 7 months ago
Unsupervised query categorization using automatically-built concept graphs
Automatic categorization of user queries is an important component of general purpose (Web) search engines, particularly for triggering rich, query-specific content and sponsored ...
Eustache Diemert, Gilles Vandelle