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» Data Models and Query Languages for Spatial Databases
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ACMSE
2007
ACM
15 years 10 months ago
Hierarchical land cover information retrieval in object-oriented remote sensing image databases with native queries
Classification and change detection of land cover types in the remotely sensed images is one of the major applications in remote sensing. This paper presents a hierarchical framew...
Jiang Li
240
Voted
SIGMOD
2009
ACM
120views Database» more  SIGMOD 2009»
16 years 6 months ago
Query interactions in database workloads
Database workloads consist of mixes of queries that run concurrently and interact with each other. In this paper, we demonstrate that query interactions can have a significant imp...
Mumtaz Ahmad, Ashraf Aboulnaga, Shivnath Babu
DASFAA
2007
IEEE
202views Database» more  DASFAA 2007»
16 years 15 days ago
Optimizing Moving Queries over Moving Object Data Streams
With the increasing in demand on location-based aware services and RFIDs, efficient processing of continuous queries over moving object streams becomes important. In this paper, w...
Dan Lin, Bin Cui, Dongqing Yang
PVLDB
2010
151views more  PVLDB 2010»
15 years 4 months ago
Advanced Processing for Ontological Queries
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
Andrea Calì, Georg Gottlob, Andreas Pieris
ACL
2008
15 years 7 months ago
Decompounding query keywords from compounding languages
Splitting compound words has proved to be useful in areas such as Machine Translation, Speech Recognition or Information Retrieval (IR). Furthermore, real-time IR systems (such as...
Enrique Alfonseca, Slaven Bilac, Stefan Pharies