2635 search results - page 470 / 527 » Algorithms for the Database Layout Problem |
235
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GIS
2007
ACM
16 years 3 months ago
2007
ACM
In this paper we present a novel system for the detection and extraction of road map information from high-resolution satellite imagery. Uniquely, the proposed system is an integr...
222
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GIS
2009
ACM
16 years 3 months ago
2009
ACM
With the recent advancements and wide usage of location detection devices, large quantities of data are collected by GPS and cellular technologies in the form of trajectories. Whi...
94
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WWW
2008
ACM
16 years 3 months ago
2008
ACM
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. We define and analyze the c...
120
Voted
WWW
2008
ACM
16 years 3 months ago
2008
ACM
This paper studies the problem of unified ranked retrieval of heterogeneous XML documents and Web data. We propose an effective search engine called Sailer to adaptively and versa...
150
Voted
WWW
2008
ACM
16 years 3 months ago
2008
ACM
In this paper, we study the problem of keyword proximity search over XML documents and leverage the efficiency and effectiveness. We take the disjunctive semantics among input key...