AHA! Meets AHAM. - Paul De Bra; A. T. M. Aerts; David Smits; Natalia Stash (AH, 2002)

AHA! the next generation. - Paul De Bra; A. T. M. Aerts; David Smits; Natalia Stash (Hypertext, 2002)

AHA! The adaptive hypermedia architecture. - Paul De Bra; A. T. M. Aerts; Bart Berden; Barend de Lange; Brendan Rousseau; Tomi Santic; David Smits; Natalia Stash (Hypertext, 2003)

Creating and Delivering Adaptive Courses with AHA! - Paul De Bra; David Smits; Natalia Stash (EC-TEL, 2006)

The Design of AHA! - Paul De Bra; David Smits; Natalia Stash (Hypertext, 2006)

Specification, authoring and prototyping of personalised workplace learning solutions. - Peter Dolog; Milos Kravcik; Alexandra I. Cristea; Daniel Burgos; Paul De Bra; Stefano Ceri; Vladan Devedzic; Geert-Jan Houben; Paul Libbrecht; Maristella Matera; Erica Melis; Wolfgang Nejdl; et al. (Int. J. Learn. Technol., 2007)

Towards a generic adaptive hypermedia platform: a conversion case study. - Alexandra I. Cristea; David Smits; Paul De Bra (J. Digit. Inf., 2007)

Defining Adaptation in a Generic Multi Layer Model: CAM: The GRAPPLE Conceptual Adaptation Model. - Maurice Hendrix; Paul De Bra; Mykola Pechenizkiy; David Smits; Alexandra I. Cristea (EC-TEL, 2008)

LAG 2.0: Refining a Reusable Adaptation Language and Improving on Its Authoring. - Alexandra I. Cristea; David Smits; Jon Bevan; Maurice Hendrix (EC-TEL, 2009)

The Privacy Coach: Supporting customer privacy in the Internet of Things - Gerben Broenink; Jaap-Henk Hoepman; Christian van 't Hof; Rob Van Kranenburg; David Smits; Tijmen Wisman (CoRR, 2010)

GALE: a highly extensible adaptive hypermedia engine. - David Smits; Paul De Bra (HT, 2011)

Open Corpus Adaptation++ in GALE: Friend or Foe? - David Smits; Paul De Bra (DAH@HT, 2011)

Bridging Navigation, Search and Adaptation - Adaptive Hypermedia Models Evolution. - Evgeny Knutov; Paul De Bra; David Smits; Mykola Pechenizkiy (WEBIST, 2011)

A Fully Generic Approach for Realizing the Adaptive Web. - Paul De Bra; David Smits (SOFSEM, 2012)

GALE: Generic Adaptation Language and Engine. - David Smits; Paul De Bra (UMAP Workshops, 2012)

GALE: a generic open source extensible adaptation engine. - Paul De Bra; Evgeny Knutov; David Smits; Natalia Stash; Vinicius Faria Culmant Ramos (New Rev. Hypermedia Multim., 2013)