1487 search results - page 92 / 298 » Representing and Querying Data Transformations |
126
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DEXA
2009
Springer
15 years 8 months ago
2009
Springer
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
131
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PRIS
2004
15 years 2 months ago
2004
Similarity search in time series databases is an important research direction. Several methods have been proposed in order to provide algorithms for efficient query processing in t...
159
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VLDB
2002
ACM
15 years 1 months ago
2002
ACM
Given that commercial search engines cover billions of web pages, efficiently managing the corresponding volumes of disk-resident data needed to answer user queries quickly is a f...
116
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WWW
2008
ACM
16 years 2 months ago
2008
ACM
Although most of existing research usually detects events by analyzing the content or structural information of Web documents, a recent direction is to study the usage data. In th...
125
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KDD
2010
ACM
15 years 5 months ago
2010
ACM
Many recommendation and retrieval tasks can be represented as proximity queries on a labeled directed graph, with typed nodes representing documents, terms, and metadata, and labe...