2718 search results - page 489 / 544 » Querying the deep web |
156
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VLDB
2004
ACM
15 years 10 months ago
2004
ACM
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
171
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
Keyword search enables web users to easily access XML data without the need to learn a structured query language and to study possibly complex data schemas. Existing work has addr...
155
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SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
The recent advances in hardware and software have enabled the capture of different measurements of data in a wide range of fields. These measurements are generated continuously an...
102
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PODS
2003
ACM
15 years 10 months ago
2003
ACM
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
ICDE
2010
IEEE
15 years 4 months ago
2010
IEEE
Abstract— We demonstrate Product EntityCube, a product recommendation and navigation system. While the unprecedented scale of a product search portal enables to satisfy users wit...