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A Random Walk Approach To Sampling Hidden Databases
(Computer Science & Engineering, 2007-08-23)
A large part of the data on the World Wide Web is hidden behind form-like interfaces. These interfaces interact with a hidden back-end database to provide answers to user queries. Generating a uniform random sample of this ...
Data Analytics Over Hidden Databases
(Computer Science & Engineering, 2010-11-01)
Web based access to databases have become a popular method of datadelivery. A multitude of websites provides access to their proprietary datathrough web forms. In order to view this data, customers use the web forminterface ...