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(Figure 1: An overview of spreadsheet-driven customization [3] Our approach requires extracting structured data from the user interfaces of existing applications, but we hide the complexity of data extraction from end users. Programmers write (site adapters) which use web scraping techniques to extract structured data from existing applications and map it to the spreadsheet table. Our prototype suggests that it is possible to implement site adapters for real websites; Section 3 describes some of the techniques and challenges involved.
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