7607 search results - page 254 / 1522 » Querying data provenance |
178
Voted
WWW
2009
ACM
16 years 7 months ago
2009
ACM
In a traditional keyword-search system in XML data, a user composes a keyword query, submits it to the system, and retrieves relevant subtrees. In the case where the user has limi...
204
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APPT
2003
Springer
15 years 12 months ago
2003
Springer
The increase number of mobile users in wireless environment affects query access time substantially. To minimise the query access time, one possible way is to employ data broadcast...
324
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Mediator-based data integration systems resolve exploratory queries by joining data elements across sources. In the presence of uncertainties, such multiple expansions can quickly ...
226
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Abstract. Peer Data Management Systems (PDMS) have recently attracted attention by the database community. One of the main challenges of this paradigm is the development and evalua...
157
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ER
2007
Springer
16 years 25 days ago
2007
Springer
Today, there are several approaches supporting an integrated processing of XML and (object-)relational data sources. However, each of these approaches favors a single data model f...