J. Abascal, M. Arrue, I. Fajardo, N. Garay, and J. Tomhas, The use of guidelines to automatically verify web accessibility. Universal Access in the Information Society, pp.71-79, 2004.

G. Brajnik, Comparing accessibility evaluation tools: a method for tool effectiveness. Universal Access in the Information Society, pp.252-263, 2004.

G. Brajnik, Web Accessibility Testing: When the Method Is the Culprit, International Conference on Computers Helping People with Special Needs, pp.156-163, 2006.
DOI : 10.1007/11788713_24

G. Brajnik, Validity and reliability of web accessibility guidelines, Proceeding of the eleventh international ACM SIGACCESS conference on Computers and accessibility, ASSETS '09, pp.131-138, 2009.
DOI : 10.1145/1639642.1639666

B. Caldwell, M. Cooper, L. Guarino-reid, and G. Vanderheiden, Web Content Accessibility Guidelines (WCAG) 2.0, W3C Recommendation, 2008.

A. P. Dempster, Upper and Lower Probabilities Induced by a Multivalued Mapping, The Annals of Mathematical Statistics, vol.38, issue.2, pp.325-339, 1967.
DOI : 10.1214/aoms/1177698950

J. Dubois, L. Gall, Y. Martin, and M. , Software Engineering System for the Analysis of Accessibility Data, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01108241

G. Gay, Q. Li, and C. , AChecker, Proceedings of the 2010 International Cross Disciplinary Conference on Web Accessibility (W4A), W4A '10, 2010.
DOI : 10.1145/1805986.1806019

M. Y. Ivory, S. Yu, and K. Gronemyer, Search result exploration, Extended abstracts of the 2004 conference on Human factors and computing systems , CHI '04, pp.1453-1456, 2004.
DOI : 10.1145/985921.986088

A. Martin, C. Osswald, J. Dezert, and F. Smarandache, General combination rules for qualitative and quantitative beliefs, Journal of Advances in Information Fusion, vol.3, issue.2, pp.67-82, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00399662

J. Nielsen and M. Tahir, Homepage Usability: 50 Websites Deconstructed, 2001.

G. Shafer, A mathematical theory of evidence, 1976.

P. Smets, Belief functions: The disjunctive rule of combination and the generalized Bayesian theorem, International Journal of Approximate Reasoning, vol.9, issue.1, pp.1-35, 1993.
DOI : 10.1016/0888-613X(93)90005-X

G. C. Vanderheiden and K. R. Vanderheiden, Accessible design of consumer products: guidelines for the design of consumer products to increase their accessibility to people with disabilities or who are aging, 1991.

M. Vigo and G. Brajnik, Automatic web accessibility metrics: Where we are and where we can go, Interacting with Computers, vol.23, issue.2, pp.137-155, 2011.
DOI : 10.1016/j.intcom.2011.01.001