4155 search results - page 111 / 831 » Topic-Specific Optimization and Structuring |
203
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EDBT
2012
ACM
13 years 8 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
199
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DATESO
2008
15 years 7 months ago
2008
Abstract In recent years, many approaches to indexing XML data have appeared. These approaches attempt to process XML queries efficiently and sufficient query plans are built for t...
177
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COMPGEOM
2009
ACM
16 years 28 days ago
2009
ACM
We consider a number of range reporting problems in two and three dimensions and prove lower bounds on the amount of space used by any cache-oblivious data structure for these pro...
181
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ECAI
2004
Springer
15 years 11 months ago
2004
Springer
Abstract. The emergence of complex network structures of relationships between autonomous agents occurs in a wide range of distributed systems. Many researchers have proposed model...
161
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CN
2011
15 years 1 months ago
2011
In this paper, we take a holistic approach to the protocol architecture design in multihop wireless networks. Our goal is to integrate various protocol layers into a rigorous fram...