Publications

See my Google Scholar list of papers (h-index=20).
Go to a categorized list of papers.

Papers are sorted and numbered by recency.

2013

  1. G. Brajnik and C. Giachin. Using sketches and storyboards to assess impact of age difference in user experience, International Journal of Human-Computer Studies, 72, pp. 552-566, 2014; doi: 10.1016/j.ijhcs.2013.12.005
  2. G. Brajnik and S. Harper. Model-based engineering of user interfaces to support cognitive load estimation in automotive applications, Cognitive Load and In-Vehicle Human-Machine Interaction Workshop; adjuct Proceedings of the 5th Int. Conference on Automotive User Interfaces and Interactive Vehicular Applications; ACM Press. Eindhoven, The Netherlands; Oct 2013. A. Kun and P. Froelich eds.
  3. Y. Yesilada, G. Brajnik, M. Vigo, S. Harper. Exploring perceptions of web accessibility: a survey approach, Behaviour and Information Technology, 2013; doi: 10.1080/0144929X.2013.848238

2012

  1. Y. Yesilada, G. Brajnik, M. Vigo, S. Harper. Understanding web accessibility and its drivers , W4A '12: Proceedings of the International Cross-Disciplinary Conference on Web Accessibility, April 2012; doi: 10.1145/2207016.2207027
  2. G. Brajnik, Y. Yesilada, S. Harper. Is accessibility conformance an elusive property? A study of validity and reliability of WCAG 2.0 , ACM Transactions on Accessible Computing, 2(4), March 2012; doi: 10.1145/2141943.2141946

2011

  1. G. Brajnik. The Troubled Path of Accessibility Engineering: an Overview of Traps to Avoid and Hurdles to Overcome , SIGACCESS Newsletter 100, June 2011
  2. Yeliz Yesilada, G. Brajnik and Simon Harper. Barriers common to mobile and disabled web users, Interacting With Computers, 2011, pp. 525-542, doi: 10.1016/j.intcom.2011.05.005, issn: 0953-5438.
  3. G. Brajnik, Yeliz Yesilada and Simon Harper. The Expertise Effect on Web Accessibility Evaluation Methods, Human-Computer Interaction, 2011, 26(3), pp. 246-283, DOI: 10.1080/07370024.2011.601670.
  4. Markel Vigo and G. Brajnik. Automatic web accessibility metrics: where we are and where we can go, Interacting With Computers, 2011; 23(2), March 2011, pages 137-155, DOI: doi:10.1016/j.intcom.2011.01.001
  5. G. Brajnik, Yeliz Yesilada and Simon Harper. Web Accessibility Guideline Aggregation for Older Users and Its Validation, Universal Access in the Information Society (UAIS), 10(4), 2011, pp. 403--423.

2010

  1. G. Brajnik, Yeliz Yesilada and Simon Harper. Testability and Validity of WCAG 2.0: The Expertise Effect, Twelfth International ACM SIGACCESS Conference on Computers and Accessibility, ASSETS 2010, Orlando, FL, Oct. 2010; p. 43-50, isbn = 978-1-60558-881-0
  2. Markel Vigo, G. Brajnik. Adaptive Web Accessibility Metrics, BCS HCI Workshop: the socio‐technological issues of adaptive interfaces and user profiling for accessibility, Dundee, UK, Sept. 2010.
  3. G. Brajnik. Is the UML appropriate for Interaction Design? , Future Standards for Model Based User Interfaces, Rome, Italy, May 2010.
  4. G. Brajnik, Silvia Gabrielli. A Review of Online Advertising Effects on the User Experience, International Journal of Human-Computer Interaction, 26(10), 2010; pages 971--997. doi: 10.1080/10447318.2010.502100, ISSN 1044-7318.

2009

  1. Yeliz Yesilada, G. Brajnik and Simon Harper. How Much Does Expertise Matter? A Barrier Walkthrough Study with Experts and Non-Experts, Eleventh International ACM SIGACCESS Conference on Computers and Accessibility, ASSETS 2009, Pittsburgh, Oct 2009.
  2. G. Brajnik. Validity and Reliability of Web Accessibility Guidelines, Eleventh International ACM SIGACCESS Conference on Computers and Accessibility, ASSETS 2009, Pittsburgh, Oct 2009.
  3. G. Brajnik. Accessible Digital TV: a research agenda , Adjunct Proc. EuroITV 2009: the seventh european conference on European interactive television conference; Workshop 04: Defining the Architecture for Next Generation Inclusive Television, Leuven, Belgium, June 2009.
  4. G. Brajnik, Y. Yesilada, S. Harper. Guideline aggregation: web accessibility evaluation for older users , W4A '09: Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A), Madrid, Spain, 2009; pp. 127--135.
  5. M. Vigo, G. Brajnik, M. Arrue, J. Abascal. Tool Independence for the Web Accessibility Quantitative Metric , Disability and Rehabilitation: Assistive Technology Journal, Vol. 4(4), pp. 248-263, 2009. doi:10.1080/17483100902903291

2008

  1. G. Brajnik. Towards a sustainable web accessibility , Accessible Design in the Digital World, September 22-24, 2008; York, UK.
  2. G. Brajnik. A comparative test of web accessibility evaluation methods , ASSETS 2008 Tenth International ACM SIGACCESS Conference on Computers and Accessibility, October 13-15, 2008; Halifax, Canada.
  3. G. Brajnik. Beyond Conformance: the role of Accessibility Evaluation Methods , Keynote paper, 2nd International Workshop on Web Usability and Accessibility IWWUA08, Sept. 2008, Auckland, New Zealand.
  4. G. Brajnik. Measuring Web Accessibility by Estimating Severity of Barriers , 2nd International Workshop on Web Usability and Accessibility IWWUA08, Sept. 2008, Auckland, New Zealand.
  5. G. Brajnik. Automatic testing, page sampling and measuring web accessibility , CSUN 2008 23rd Annual Int. Technology and Persons with Disabilities Conference, California State University at Northridge, March 2008, Los Angeles, CA.

2007

  1. G. Brajnik, A. Mulas and C. Pitton. Effects of sampling methods on web accessibility evaluations , ASSETS 2007 Ninth International ACM SIGACCESS Conference on Computers and Accessibility, October 15-17, 2007; Tempe, AZ.
  2. G. Brajnik and R. Lomuscio. SAMBA: a semi-automatic method for measuring barriers of accessibility , ASSETS 2007 Ninth International ACM SIGACCESS Conference on Computers and Accessibility, October 15-17, 2007; Tempe, AZ.
  3. G. Brajnik. Modeling Content and Expression of Learning Objects in Multimodal Learning Management Systems , HCI International 2007, FUITEL: Future Interfaces in Technology Enhanced Learning, Peking, China, July 2007.
  4. M. Vigo, M. Arrue, G. Brajnik, R. Lomuscio, J. Abascal. Quantitative metrics for measuring web accessibility, The 2007 International Cross-Disciplinary Workshop on Web accessibility (W4A), Banff, Canada, May 2007.
  5. G. Brajnik - Elio Toppano. Creare siti web multimediali. Fondamenti per l'analisi e la progettazione (Creating websites. A foundation for analysis and design), Pearson - Addison Wesley, maggio 2007.
  6. G. Brajnik. Ranking websites through prioritized web accessibility barriers , Technology and Persons with Disabilities Conference, CSUN, Los Angeles, March 2007.

2006

  1. Giorgio Brajnik. Automatic Monitoring of Web Accessibility: the Validity Issues, Workshop on Web Accessibility and Metamodelling, Grimstad, Norway, June 2006. www.eiao.net/wwam06/proceedings.
  2. Giorgio Brajnik, David D'Agostini, Antonio Piva. La gestione dell'accessibilità di siti e applicazioni web, Mondo Digitale, AICA, n. 2, June 2006, pp. 73-78. www.mondodigitale.net.
  3. Giorgio Brajnik and Daniela Cancila. Effectiveness, Productivity and Satisfaction of Persons with Sight and Motor Disabilities when using Dynamic Text-only Pages, Journal of Web Engineering, Vol. 5, No. 4, 2006, Rinton Press, pp. 292-312. Extended version of 43.
  4. Giorgio Brajnik. Web Accessibility Testing: When the Method is the Culprit, ICCHP 2006, 10th International Conference on Computers Helping People with Special Needs, July 2006, Linz, Austria. Published within Lecture Notes Springer Verlag; pages 156-163.

2005

  1. Giorgio Brajnik, Daniela Cancila, Daniela Nicoli, Mery Pignatelli. Do dynamic text-only web pages improve usability for PDA users?, First Usability Symposium Austrian Computer Society, Nov. 2005, Vienna, Austria.
  2. Giorgio Brajnik. Engineering accessibility through corporate policies, Congresso Annuale AICA 2005, Comunità Virtuale dalla Ricerca all'Impresa, dalla Formazione al Cittadino, Oct. 2005, Udine, Italy.
  3. Giorgio Brajnik. Accessibility assessments through heuristic walkthroughs, HCItaly 2005, Simposio su Human-Computer Interaction, Sept. 2005, Rome, Italy
  4. Giorgio Brajnik, Daniela Cancila, Daniela Nicoli, Mery Pignatelli. Do dynamic text-only web pages improve usability for disabled users?, HCItaly 2005, Simposio su Human-Computer Interaction, Sept. 2005, Rome, Italy
  5. Giorgio Brajnik, Daniela Cancila, Daniela Nicoli, Mery Pignatelli. Do text transcoders improve usability for disabled users?, International Cross-Disciplinary Workshop on Web Accessibility, May 2005, Chiba, Japan.

2004

  1. G. Brajnik. Using automatic tools in accessibility and usability assurance, Lecture Notes in Computer Science Proc. of the 8th ERCIM UI4ALL Workshop, C. Stephanidis ed., Springer Verlag, June 2004, Vienna, Austria
  2. G. Brajnik. Achieving Universal Web Access through Specialized User Interfaces, Lecture Notes in Computer Science Proc. of the 8th ERCIM UI4ALL Workshop, C. Stephanidis ed., Springer Verlag, June 2004, Vienna, Austria

2003

  1. G. Brajnik. Comparing accessibility evaluation tools: a method for tool effectiveness. Universal Access in the Information Society, 3(3-4), Springer Verlag, pp. 252-263, Oct. 2004; http://www.springerlink.com/openurl.asp?genre=article&id=doi:10.1007/s10209-004-0105-y. Longer version of a paper presented at HCITALY 2003: Simposio su Human-Computer Interaction, Turin, Italy, Nov. 2003.
  2. G. Brajnik. The Role of Quality Models in Guideline-based Automatic Webtesting. Paper accepted but not presented at the 10th International Conference on Human-Computer Interaction 2003, June 22-27, Crete, Greece. www.hcii2003.gr

2002

  1. G. Brajnik. Quality Models based on Automatic Webtesting. Presented at the CHI2002 workshop Automatically evaluating usability of Web Sites, Minneapolis (MN), April 2002, www.acm.org/sigchi/chi2002
  2. Giorgio Brajnik, Stefano Mizzaro, Carlo Tasso and Fabio Venuti. Strategic help in user interfaces for information retrieval?, In Journal of the American Society for Information Science, 53(5), 343-358, 2002.
  3. Maurizio Pighin and G. Brajnik. Quality organization of existing software components: a new proposal and its validation. In Proc. of 5th International Conference on "Achieving Quality in Software", March 2002, Venice, Italy.

2001

  1. G. Brajnik. Towards valid quality models for websites. In Proc. of 7th Human Factors and the Web Conference, June 2001, Madison WI.

2000 and prior

  1. G. Brajnik. Automatic web usability evaluation: what needs to be done?. In Proc. of 6th Human Factors and the Web Conference, June 2000, Austin, Texas. A translation in Serbo-Croatian of this article was madeby Jovana Milutinovich from Webhostinggeeks.com.
  2. Maurizio Pighin and G. Brajnik. A formative evaluation of information retrieval techniques applied to software catalogues. The Journal of Systems and Software, 52 (2000), pp. 131-138.
    First published in Proc. of Empirical Assessment in Software Engineering, EASE'99, Keele University, Staffordshire, UK, April 12-14 1999.
  3. G. Brajnik. Information seeking as explorative learning. In S. Draper and K. Van Rijsbergen, editors, Final MIRA Conference, Glasgow, UK, 14-16 April 1999. Invited paper.
  4. G. Brajnik and Maurizio Pighin. Alice: a tool based on information retrieval for software reuse. In proc. 11th Int. Conference Software Engineering and its Applications, CSML Publications, Paris, Dec 1998, pp. 1-13.
  5. G. Brajnik and Daniel Clancy. Control of Hybrid Systems using Qualitative Simulation 11th International Workshop on Qualitative Reasoning, June 1997, Cortona, Italy, pp. 241-248.
  6. Daniel Clancy, G. Brajnik and Herbert Kay. Model Revision: Techniques and tools for analyzing simulation results and revising qualitative models 11th International Workshop on Qualitative Reasoning, June 1997, Cortona, Italy, pp. 53-66.
  7. G. Brajnik. Statistical properties of qualitative behaviors 11th International Workshop on Qualitative Reasoning June 1997, Cortona, Italy, pp. 233-240.
  8. G. Brajnik and Daniel Clancy. Focusing qualitative simulation using temporal logic: theoretical foundations Annals of Mathematics and Artificial Intelligence, 22, 1998, pp. 59-86. (Extended version of [23]).
  9. G. Brajnik and Daniel Clancy. Trajectory Constraints in Qualitative Simulation, In B. Clancey and D. Weld, editors, Proc. of the Thirteenth National Conference on Artificial Intelligence. AAAI Press, Portland, OR, August 1996, pp. 979-984.
  10. G. Brajnik, Stefano Mizzaro and Carlo Tasso. Evaluating user interfaces to information retrieval systems: a case study on user support. In 19th International Conference on Research and Developments in Information Retrieval, Zurich, Switzerland, August 1996, pp. 128-136.
  11. G. Brajnik and Daniel Clancy. Temporal Constraints on Trajectories in Qualitative Simulation. In working papers of the Tenth International Workshop for Qualitative Reasoning, Fallen Leaf Lake, CA; May 1996. AAAI Technical Report WS-96-01, pp. 22-31. (Slightly extended version of [26].)
  12. G. Brajnik and Daniel Clancy. Guiding and refining simulation using temporal logic. In Proc. of the Third International Workshop on Temporal Representation and Reasoning (TIME'96), May 1996, Key West, Florida. IEEE Computer Society Press, pp. 144-151.
  13. G. Brajnik, Stefano Mizzaro and Carlo Tasso. Valutazione di interfacce intelligenti per il reperimento di informazioni. Supplemento di AI*IA Notizie, IX(3), 1996, pp. 36-37.
  14. G. Brajnik and Marji Lines. Qualitative modeling and simulation of socio-economic phenomena. Presented at Simulating Societies '95 , Boca Raton, Florida, Sept. 1995.
    Published also in Journal of Artificial Societies and Social Simulation vol. 1, no. 1, 1998, http://www.soc.surrey.ac.uk/JASSS/1/1/2.html.
  15. G. Brajnik, Stefano Mizzaro, and Carlo Tasso. Interfacce intelligenti a banche di dati bibliografici. In Sistemi evoluti per basi di dati, D. Saccà (Ed.), Franco Angeli, Milano, 1995, pp. 95-128. (In Italian.)
  16. G. Brajnik. Introducing boundary conditions in semi-quantitative simulation. In Ninth International Workshop on Qualitative Reasoning, Amsterdam, May 1995.
  17. Adam Farquhar and G. Brajnik. A semi-quantitative physics compiler. In Tenth International Conference on Applications of Artificial Intelligence in Engineering, Udine, Italy, July 1995. Presented also at the Eighth International Workshop on Qualitative Reasoning on Physical Systems, 1994, Nara, Japan. Get abstract.
  18. G. Brajnik. Semi-quantitative physics compiler: where are we now and where are we going? Technical Report UDMI-RT-03-94, Dipartimento di Matematica e Informatica, University of Udine, Udine, Italy, March 1994.
  19. G. Brajnik and Carlo Tasso. G A shell for developing non-monotonic user modeling systems. International Journal on Human-Computer Studies, 40:31-62, 1994.
  20. G. Brajnik, Luca Chittaro, Carlo Tasso and Elio Toppano."Representation and reasoning about physical systems based on single and multiple models". In Atti della Giornata di Lavoro del Gruppo sul Ragionamento Qualitativo - Convegno dell'Associazione Italiana per l'Intelligenza Artificiale (AI*IA), Parma, Italy, 1994.
  21. G. Brajnik and Carlo Tasso. A flexible tool for developing user modeling applications with non-monotonic reasoning capabilities. In Proc. UM-92: third international Workshop on User Modeling, pp. 42-63. Deutsches Forschungszentrum für Künstliche Intelligenz GmbH, 1992.
  22. G. Brajnik, Luca Chittaro, Giovanni Guida, Carlo Tasso, and Elio Toppano. Representation and use of teleological knowledge in the multi-modeling approach. In E. Ardizzone, S. Gaglio, and F. Sorbello, editors, Trends in Artificial Intelligence, pp. 167-176. Springer Verlag, Berlin, Germany, 1991.
  23. G. Brajnik, Carlo Tasso, and Antonio Vaccher. A flexible tool for assumption-based user modeling. In Proc. II Congress of the Italian Association for Artificial Intelligence, Palermo, Italy, 1991. Springer-Verlag, pp. 445-449.
  24. G. Brajnik, Luigi Mastrodonato, Clauda Scaroni, and Carlo Tasso. FIRE: un prototipo di ambiente di sviluppo di interfacce intelligenti e cooperative per l'accesso a banche dati bibliografici. In B. Fadini, editor, Sistemi Informatici e Calcolo Parallelo, (in Italian). Franco Angeli, Rome, Italy, 1991, pp. 258-266.
  25. G. Brajnik, Luca Chittaro, Carlo Tasso, and Elio Toppano. Epistemology, organization and use of functional knowledge for reasoning about physical systems. In Proc. 10th International Workshop on Expert Systems and their Applications, Second Generation Expert Systems Conference, Avignon, France, 1990, pp. 53-66.
  26. G. Brajnik, Giovanni Guida, and Carlo Tasso. User modeling in man-machine interfaces: a case study in intelligent information retrieval. IEEE Transactions on Systems, Man and Cybernetics, 20(1):166-185, 1990.
  27. G. Brajnik, Luca Chittaro, Giovanni Guida, Carlo Tasso, and Elio Toppano. Un approccio alla rappresentazione di sistemi fisici basato sull'utilizzo di modelli eterogenei. In Proc. 1st Congress of Italian Association for Artificial Intelligence, pp. 221-232, Trento, Italy, November 1989.
  28. G. Brajnik, Luca Chittaro, Giovanni Guida, Carlo Tasso, and Elio Toppano. The use of many diverse models of an artifact in the design of cognitive aids. In Proc. II European Meeting on Cognitive Science Approaches to Process Control, Siena, Italy, October 1989, pp. 69-79.
  29. G. Brajnik, Giovanni Guida, and Carlo Tasso. IR-NLI II: applying man-machine interaction and artificial concepts to information retrieval. In Proc. 11th International Conference on Reseach and Developments in Information Retrieval, Grenoble, France, 1988, pp. 387-399.
  30. G. Brajnik, Giovanni Guida, and Carlo Tasso. Modeling individual users in the IR-NLI II system for intelligent information retrieval. In J. Ranta and B. Wahlström, Proc. Analysis, Design and Evaluation of Man-Machine Systems, 3rd IFAC/IFIP/IFORS/IEA Conference, 1988, London, UK. Pergamon Press.
  31. G. Brajnik, Giovanni Guida, Maurizio Pighin, and Carlo Tasso. ADL: a language and tool for designing blackboard system architectures. In II AAAI Workshop on Blackboard Systems, St. Paul, MN, August 1988, pp. 1-17.
  32. G. Brajnik, Giovanni Guida, and Carlo Tasso. User modeling in intelligent information retrieval. Information Processing and Management, 23(4):305-320, 1987.
  33. G. Brajnik, Giovanni Guida, and Carlo Tasso. Design and experimentation of IR-NLI: an intelligent user interface to bibliographic data bases. In L. Kerschberg, editor, Expert Data Base Systems, Menlo Park, CA, 1987, The Benjamin/Cummings Publishing Company, pp. 151-162.
  34. G. Brajnik, Giovanni Guida, and Carlo Tasso. Utilizzo di tecniche di intelligenza artificiale per il problema del reperimento dell'informazione. In Atti del Convegno Sistema della documentazione, Verona, Italy, Nov. 1986.
  35. G. Brajnik, Giovanni Guida, and Carlo Tasso. An expert interface for effective man-machine interaction. In L. Bolc and M. Jarke, editors, Cooperative Interfaces to Information Systems, Springer Verlag, Berlin, Germany, 1986, pp. 259-308.
  36. G. Brajnik, Giovanni Guida, and Carlo Tasso. A functionally distributed architecture for the IR-NLI expert interface. Informatica, Journal of Computing and Informatics, 9(4):352-355, 1985. Ljubljana, YU.