1654 search results - page 294 / 331 » Ontology Based Query Processing in Database Management Syste... |
141
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SIGMOD
2003
ACM
16 years 3 months ago
2003
ACM
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
142
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JCDL
2009
ACM
15 years 9 months ago
2009
ACM
We propose a generative model based on latent Dirichlet allocation for mining distinct topics in document collections by integrating the temporal ordering of documents into the ge...
128
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SSDBM
2006
IEEE
15 years 9 months ago
2006
IEEE
Many applicationsstore data items for a pre-determined, finite length of time. Examples include slidingwindows over on-line data streams, where old data are dropped as the window...
190
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JSW
2008
15 years 3 months ago
2008
In a mobile computing system, users carrying portable devices can access database services from any location without requiring a fixed position in the networking environment. Some ...
135
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ESE
2006
15 years 3 months ago
2006
UML and UML-based development methods have become de facto standards in industry, and there are many claims for the positive effects of modelling object-oriented systems using meth...