The following links are relevant to the XFeature project:

• Feature-Based Framework Modeling Project : precursor project where some of the concepts used in the XFeature tool were first elaborated.
• XML-Based Feature Modeling : paper presented at the ICSR conference in 2004 and published in the book Software Reuse: Methods, Techniques, and Tools edited by J. Bosch and C. Krueger and published by Springer-Verlag. This paper describes some of the key ideas in the XFeature tool.
• Diploma thesis of Charly Wilhem who implemented the first feature modelling tool prototype.
• Generative Programming: Methods, Tools and Applications : very good book by Krzysztof Czarnecki and Ulrich Eisenecker.
• Feature Modeling : chapter from the above book that introduces the feature modelling approach.
• Working with a Metaschema: relevant technical article by Will Provost.
• Combining Schematron with other XML Schema languages : relevant technical article by Eddie Robertsson
• XML Schema : relevant W3C specification.
• Schematron.com : Schematron web site.
• <oXygen> : a very good (and very reasonably priced) XML editor which we recommend for use with Eclipse.