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» Algorithms for Querying by Spatial Structure
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GIS
2009
ACM
15 years 11 months ago
Constrained reverse nearest neighbor search on mobile objects
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...
Tobias Emrich, Hans-Peter Kriegel, Peer Kröge...
COMPGEOM
2005
ACM
15 years 6 months ago
Kinetic sorting and kinetic convex hulls
Let S be a set of n points moving on the real line. The kinetic sorting problem is to maintain a data structure on the set S that makes it possible to quickly generate a sorted li...
Mohammad Ali Abam, Mark de Berg
IMR
2003
Springer
15 years 9 months ago
Compact Representations of Simplicial Meshes in Two and Three Dimensions
We describe data structures for representing simplicial meshes compactly while supporting online queries and updates efficiently. Our data structure requires about a factor of fi...
Daniel K. Blandford, Guy E. Blelloch, David E. Car...
POPL
2008
ACM
16 years 4 months ago
Demand-driven alias analysis for C
This paper presents a demand-driven, flow-insensitive analysis algorithm for answering may-alias queries. We formulate the computation of alias queries as a CFL-reachability probl...
Xin Zheng, Radu Rugina
CIKM
2008
Springer
15 years 6 months ago
CE2: towards a large scale hybrid search engine with integrated ranking support
The Web contains a large amount of documents and increasingly, also semantic data in the form of RDF triples. Many of these triples are annotations that are associated with docume...
Haofen Wang, Thanh Tran, Chang Liu