78 search results - page 13 / 16 » A Generalized Query Framework for Geospatial Reasoning |
111
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LREC
2010
15 years 3 months ago
2010
Ontology population from text is becoming increasingly important for NLP applications. Ontologies in OWL format provide for a standardized means of modeling, querying, and reasoni...
127
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GIS
2009
ACM
15 years 8 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
209
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GIS
2007
ACM
16 years 2 months ago
2007
ACM
We propose a general framework to index very large datasets of spatial data in a distributed system. Our proposal is built on the recently proposed Scalable Distributed Rtree (SD-...
141
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CCS
2005
ACM
15 years 7 months ago
2005
ACM
This paper introduces the PeerAccess framework for reasoning about authorization in open distributed systems, and shows how a parameterization of the framework can be used to reas...
121
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PODS
2005
ACM
16 years 1 months ago
2005
ACM
MSO logic on unranked trees has been identified as a convenient theoretical framework for reasoning about expressiveness and implementations of practical XML query languages. As a...