302 search results - page 30 / 61 » Keyword search on external memory data graphs |
WWW
2008
ACM
16 years 14 days 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...
111
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BMCBI
2007
14 years 11 months ago
2007
Background: Technological advances in high-throughput techniques and efficient data acquisition methods have resulted in a massive amount of life science data. The data is stored ...
STOC
2003
ACM
16 years 3 days ago
2003
ACM
We describe a simple randomized construction for generating pairs of hash functions h1, h2 from a universe U to ranges V = [m] = {0, 1, . . . , m - 1} and W = [m] so that for ever...
106
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KDD
2010
ACM
14 years 10 months ago
2010
ACM
Assume a network (V, E) where a subset of the nodes in V are active. We consider the problem of selecting a set of k active nodes that best explain the observed activation state, ...
114
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WWW
2008
ACM
16 years 14 days ago
2008
ACM
Improving the precision of information retrieval has been a challenging issue on Chinese Web. As exemplified by Chinese recipes on the Web, it is not easy/natural for people to us...