1890 search results - page 38 / 378 » Querying Big Data by Accessing Small Data |
123
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DLOG
2006
15 years 11 days ago
2006
The novel context of accessing and querying large data repositories through ontologies that are formalized in terms of expressive DLs requires on the one hand to consider query an...
162
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ICDE
2002
IEEE
16 years 10 days ago
2002
IEEE
The goal of a data integration system is to provide a uniform interface to a multitude of data sources. Given a user query formulated in this interface, the system translates it i...
166
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ICDE
1999
IEEE
16 years 9 days ago
1999
IEEE
In this paper we study the node distribution of an Rtree storing region data, like for instance islands, lakes or human-inhabited areas. We will show that real region datasets are...
DEXA
2008
Springer
15 years 22 days ago
2008
Springer
In this research, we propose to use the discrete cosine transform to approximate the cumulative distributions of data cube cells' values. The cosine transform is known to have...
BIB
2002
14 years 10 months ago
2002
The process of building a new database relevant to some field of study in biomedicine involves transforming, integrating, and cleansing multiple data sources, as well as adding ne...