A Uniform Perspective on Data
Databases as well as semi-strutured information sources are wrapped
to provide a uniform interface to users. We developed a generic wrapper
technology for web datasources that captures the hypertext structure of web
documents and extracts data. We model each web source by a specification
file which describes the data available at the web site and how that
data can be obtained.
Click on the icons to view the specification files for
some of our wrapped web sources.
This uniform interface enables a user to get information from a variety
of datasources without having to understand all the different
languages that each one understands. Moreover, applications which use
data from a variety of datasources need only understand one language.
As an example, we have developed an SQL interface to a variety of
datasources, and an ODBC driver which connects our integration
technology with applications that understand ODBC.
Click to see a
snapshot of a spreadsheet which accesses mutiple datasoruces.
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