1487 search results - page 69 / 298 » Representing and Querying Data Transformations |
149
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EDBT
2012
ACM
13 years 3 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
126
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DAWAK
2011
Springer
14 years 1 months ago
2011
Springer
Data cleaning and ETL processes are usually modeled as graphs of data transformations. The involvement of the users responsible for executing these graphs over real data is importa...
135
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CIKM
2003
Springer
15 years 6 months ago
2003
Springer
There have been several techniques proposed for building statistics for static XML data. However, very little work has been done in the area of building XML statistics for data so...
232
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ICDE
2009
IEEE
16 years 3 months ago
2009
IEEE
XML streams, such as RSS feeds or complex event streams, are becoming increasingly pervasive as they provide the foundation for a wide range of emerging applications. An important...
126
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
Devising a scheme for efficient and scalable querying of Resource Description Framework (RDF) data has been an active area of current research. However, most approaches define new...