15 search results - page 2 / 3 » Deep web data extraction |
118
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VLDB
2001
ACM
15 years 6 months ago
2001
ACM
Constrained gradient analysis (similar to the “cubegrade” problem posed by Imielinski, et al. [9]) is to extract pairs of similar cell characteristics associated with big chan...
128
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VLDB
2004
ACM
15 years 6 months ago
2004
ACM
At a fundamental level, the key challenge in data integration is to reconcile the semantics of disparate data sets, each expressed with a different database structure. I argue th...
115
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VLDB
2011
ACM
14 years 8 months ago
2011
ACM
A large number of web pages contain data structured in the form of “lists”. Many such lists can be further split into multi-column tables, which can then be used in more seman...
129
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VLDB
2004
ACM
15 years 6 months ago
2004
ACM
In a Web database that dynamically provides information in response to user queries, two distinct schemas, interface schema (the schema users can query) and result schema (the sch...
112
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
The Web has been rapidly “deepened” by myriad searchable databases online, where data are hidden behind query forms. Helping users query alternative “deep Web” sources in ...