2724 search results - page 365 / 545 » Optimizing Queries on Files |
106
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
A view selection algorithm takes as input a fact table and computes a set of views to store in order to speed up queries. The performance of view selection algorithm is usually me...
200
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SEMWEB
2009
Springer
15 years 11 months ago
2009
Springer
RDF is an increasingly important paradigm for the representation of information on the Web. As RDF databases increase in size to approach tens of millions of triples, and as sophis...
214
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DOLAP
1999
ACM
15 years 10 months ago
1999
ACM
In this paper, we describe the design of a data warehousing system for an engineering company ‘R’. This system aims to assist users in retrieving data for business analysis in...
152
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GIS
1999
ACM
15 years 10 months ago
1999
ACM
: The paper is concerned with the effective and efficient processing of spatiotemporal selection queries under varying degrees of approximation. Such queries may employ operators l...
169
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PDIS
1994
IEEE
15 years 10 months ago
1994
IEEE
We propose a new client-side data-caching scheme for relational databases with a central server and multiple clients. Data are loaded into each client cache based on queries execut...