1527 search results - page 169 / 306 » Data Integration by Describing Sources with Constraint Datab... |
300
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
There is currently considerable enthusiasm around the MapReduce (MR) paradigm for large-scale data analysis [17]. Although the basic control flow of this framework has existed in ...
184
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BTW
2007
Springer
16 years 1 months ago
2007
Springer
: Statistics that accurately describe the distribution of data values in the columns of relational tables are essential for effective query optimization in a database management sy...
165
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VLDB
2005
ACM
16 years 8 days ago
2005
ACM
We demonstrate a prototype that translates schemas from a source metamodel (e.g., OO, relational, XML) to a target metamodel. The prototype is integrated with Microsoft Visual Stu...
262
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Dataspaces are collections of heterogeneous and partially unstructured data. Unlike data-integration systems that also offer uniform access to heterogeneous data sources, dataspac...
191
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
The emergence of Web 2.0 has resulted in a huge amount of heterogeneous data that are contributed by a large number of users, engendering new challenges for data management and qu...