Figure 1
![Figure 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2105-8-143/MediaObjects/12859_2006_Article_1515_Fig1_HTML.jpg)
Information flow in a VSGdb query. The user inputs a query with defined parameters through a web interface, which is processed by CGI scripts to extract information from the source files and present the results as a web page.
Information flow in a VSGdb query. The user inputs a query with defined parameters through a web interface, which is processed by CGI scripts to extract information from the source files and present the results as a web page.