4137 search results - page 737 / 828 » Managing Expressions as Data in Relational Database Systems |
154
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SIGIR
2003
ACM
15 years 11 months ago
2003
ACM
The fundamental difference between standard information retrieval and XML retrieval is the unit of retrieval. In traditional IR, the unit of retrieval is fixed: it is the comple...
197
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SIGMETRICS
2003
ACM
15 years 11 months ago
2003
ACM
In main-memory databases, the number of processor cache misses has a critical impact on the performance of the system. Cacheconscious indices are designed to improve performance b...
141
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MEDES
2009
ACM
15 years 11 months ago
2009
ACM
The main goal of web pages ranking is to find the interrelated pages. In this paper, we introduce an algorithm called FPR-DLA. In the proposed method learning automata is assigned...
160
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ADC
2010
Springer
15 years 1 months ago
2010
Springer
Twig joins are key building blocks in current XML indexing systems, and numerous algorithms and useful data structures have been introduced. We give a structured, qualitative anal...
203
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EKAW
2008
Springer
15 years 8 months ago
2008
Springer
Abstract. Dealing with heterogeneous ontologies by means of semantic mappings has become an important area of research and a number of systems for discovering mappings between onto...