3969 search results - page 488 / 794 » Query Processing Using Ontologies |
265
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
165
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ICDE
2007
IEEE
16 years 25 days ago
2007
IEEE
Ranking of query/search answers, although introduced by early information retrieval systems, has become mandatory for internet searches. When the answers of a query or search are ...
176
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AICCSA
2005
IEEE
16 years 4 days ago
2005
IEEE
Multidimensional arrays have become very common in scientific and business applications. Such arrays are usually very large and hence they are stored on secondary or tertiary stor...
151
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SPIRE
2005
Springer
15 years 12 months ago
2005
Springer
This paper proposes a model for Information Retrieval (IR) based on possibilistic directed networks. Relations documents-terms and query-terms are modeled through possibility and n...
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...