312 search results - page 32 / 63 » Keyword Search in Spatial Databases: Towards Searching by Do... |
189
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GIS
2009
ACM
16 years 29 days 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...
155
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WWW
2007
ACM
16 years 6 months ago
2007
ACM
We present an incremental algorithm for building a neighborhood graph from a set of documents. This algorithm is based on a population of artificial agents that imitate the way re...
174
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KCAP
2005
ACM
15 years 11 months ago
2005
ACM
In this document, we describe a light-weighted ontology mediation method that allows users to send semantic queries to distant data repositories to browse for learning object meta...
270
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
In an outsourced data framework, we introduce and demonstrate mechanisms for securely storing a set of data items (documents) on an un-trusted server, while allowing for subsequen...
171
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ICDAR
2011
IEEE
14 years 5 months ago
2011
IEEE
— This paper describes a lexicon-driven approach to on-line handwritten Japanese disease name recognition using a time-synchronous method. A trie lexicon is constructed from a di...