Personalization for Individual Differences (cognitive factors, etc.).

Publications:
Gwizdka, J. (2008). Cognitive Load on Web Search Tasks. In Proceedings of Workshop on Cognition and the Web. Granada April 24-26, 2008.
Gwizdka, J. Chignell, M.H. (2007). Individual Differences. In W. Jones and J. Teevan (Eds.) Personal Information Management. (pp. 206-220). University of Washington Press: Seattle and London.
Gwizdka, J., Chignell, M.H. (journal manuscript in preparation). Cognitive Factors, Tasks and Representations in Email Interaction..
Gwizdka, J. (2004). Cognitive Abilities, Interfaces and Tasks: Effects on Prospective Information Handling in Email. Unpublished Dissertation. University of Toronto. Abstract-PDF FullText-PDF
Gwizdka, J. (2004). Email Task Management Styles: The Cleaners and the Keepers. Extended Abstracts of ACM Conference on Human Factors in Computing Systems CHI'2004. ACM Press. 1235 - 1238. PDF

Work done at University of Toronto and Rutgers University.

Web Navigation: User Lostness & Search Task Complexity. Creation of predictive models of user cost and task difficulty.

Publications:
Gwizdka, J. (in press, 2008). Revisiting Search Task Difficulty: Behavioral and Individual Difference Measures. To appear in Proceedings of the 71th Annual Meeting of the American Society for Information Science and Technology (ASIS&T)
Gwizdka, J., Spence, I. (2007). Implicit Measures of Lostness and Success in Web Navigation. Interacting with Computers. 19(3). 357-369. PDF
Gwizdka, J., Spence, I. (2006). What Can Searching Behavior Tell Us About the Difficulty of Information Tasks? A Study of Web Navigation. Proceedings of the 69th Annual Meeting of the American Society for Information Science and Technology (ASIS&T), vol. 43. Austin, Texas, USA. PDF
Gwizdka, J., Spence, I. (2005). Indirect Assessment of Web Navigation Success. Extended Abstracts of ACM Conference on Human Factors in Computing Systems CHI'2005. ACM Press. 1427 - 1430. PDF
Gwizdka, J., Spence, I. , (2005). "Predicting Outcomes of Web Navigation". Poster at WWW’2005, Chiba, Japan. PDF
Gwizdka, J., Spence, I. , Takeshita, H., & Seergobin, K. (2004). "Quantifying navigation paths: Characterizing User Navigation in Hypermedia". Poster at CASCON 2004, Markham , Ontario , Canada . October 4-7, 2004.
Gwizdka, J., Takeshita, H., Spence, I. , Simms, D., & Seergobin, K. (2004) "Understanding lostness: Correlates Of Lostness In Web Navigation". Poster at CASCON 2004, Markham , Ontario , Canada . October 4-7, 2004.

Work done at University of Toronto and Rutgers University.

Collaborative Tagging (a.k.a social tagging) - Learning from the Dynamics of Collaborative Tagging

Publications:
Gwizdka, J. Cole, M. (2007). Finding it on Google, Finding it on del.icio.us: PDF

Posters:
Cole, M., Gwizdka, J. (in press, 2008 ). Tagging Semantics: Investigations with WordNet. Proceedings of JCDL'2008.
Gwizdka, J. Cole, M. (2007). Finding it on Google, Finding it on del.icio.us: An Exploration of Tagging Activity on del.icio.us. Poster presented at LIS Research Showcase on May 9, 2007. PDF

Work done at Rutgers University.

Email interface and user studies. WebTaskMail is a web email interface that extends inbox to show pending tasks that are described in email messages on a timeline. The studies demonstrated that user performance is effected by cogntiive abilities and the type of task.

Publications:
Gwizdka, J., Chignell, M.H. (journal manuscript in preparation). Cognitive Factors, Tasks and Representations in Email Interaction..
Gwizdka, J. (2004). Cognitive Abilities, Interfaces and Tasks: Effects on Prospective Information Handling in Email. Unpublished Dissertation. University of Toronto. Abstract-PDF FullText-PDF
Gwizdka, J. (2004). Email Task Management Styles: The Cleaners and the Keepers. Extended Abstracts of ACM Conference on Human Factors in Computing Systems CHI'2004. ACM Press. 1235 - 1238. PDF

Related publications:
Whittaker, S., Bellotti, V., Gwizdka, J. (2007). Everything through Email. In W. Jones and J. Teevan (Eds.) Personal Information Management. (pp. 167-189). University of Washington Press: Seattle and London.
Whittaker, S., Bellotti, V., Gwizdka, J. (2006). Email and Interpersonal Information Management: Why Email is the Critical PIM Problem and What we do about it. Communications of ACM. 49 (1). 68-73. ACM Press. PDF

Work done at University of Toronto

Technical detail: PHP, JavaScript, HTML.

Email interface and email studies. TaskView is an email interfaces that extends inbox to show pending tasks on a timeline.

Publications:
Gwizdka, J., Chignell. M.H. (2004). Individual Differences and Task-based User Interface Evaluation: A Case Study of Pending Tasks in Email. Interacting with Computers. Elsevier Science. 16 (4). 769-797. PDF
Gwizdka, J. (2002). TaskView–Design and Evaluation of a Task-based Email Interface. Proceedings of the IBM Centers for Advanced Studies Conference CASCON’2002. Toronto , Canada . 136-145. PDF
Gwizdka, J. (2002). Reinventing the Inbox – Supporting the Management of Pending Tasks in Email. Extended Abstracts of the Conference on Human Factors in Computing Systems CHI'2002. (Doctoral Consortium) ACM Press. 550-551. PDF
Gwizdka, J. (2001). Supporting Prospective Information in Email. Extended Abstracts of the ACM Conference on Human Factors in Computing Systems CHI'2001. ACM Press. 135-136. PDF
Gwizdka, J. (2000). Timely Reminders: A Case Study of Temporal Guidance in PIM and Email Tools Usage. Extended Abstracts of the ACM Conference on Human Factors in Computing Systems CHI'2000. ACM Press. 163-164.

Work done at University of Toronto

Technical details: Java, uses MAPI to communicate with email clients (Eudora, Outlook).

EEN (Java): Electronic Engineering Notebook. A PDA-based, pen-based electronic notebook for engineers - Java version running on pen-based tablets. Notes could be annotated with keywords from controlled vocabulary (engineering ontology) or with user's own terms.

Publications:
Gwizdka, J. (1998). Categorization Is Difficult: Use of an Electronic Notebook For Organizing Design Meeting Notes. Proceedings of Human Factors and Ergonomics Society 42th Annual Meeting, Chicago , October 5-10 1998. Santa Monica , CA: HFES. 516-520 PDF
Gwizdka, J., Fox, M., Chignell, M. (1998). Electronic Engineering Notebooks: A Study in Structuring Design Notes. Extended Abstracts of the ACM Conference on Human Factors in Computing Systems CHI'98. ACM Press. 355-356 PDF
Gwizdka, J. (1998). From Free-form to Structured Design Notes: A Study of Electronic Engineering Notebook. Unpublished Master Thesis. University of Toronto. PDF

Work done at University of Toronto.

Technical detail: Java

NewtEEN: Electronic Engineering Notebook. A pen-based electronic notebook for engineers - PDA version running on Apple Newton. Notes could be annotated with keywords from an engineering ontology. Information entered on a PDA was linked to an engineering knowledge database.

Publications:
Gwizdka, J., Louie, J., Fox, M. (1996). EEN: A Pen-based Electronic Notebook for Nonintrusive Acquisition of Engineering Knowledge. Proceedings of the Fifth WetIce’96. IEEE Computer Society Press. 511-518.
Gwizdka, J. (1996). Dynamic Buttons - The UI Perspective. PDA Developers, A Technical Journal for PDA Developers. July/August 1996.
Gwizdka, J.  (1996). NewtEEN - Extending the Newton ’s NotePad. PDA Developers, A Technical Journal for PDA Developers. May/June 1996.

Work done at University of Toronto.

Technical details: client in Newton script, knowledge-based server in Prolog.

Dynophone: Notetaking and phone conversation recording. Hand written notes entered during a phone conversation on a pen-based tablet computer were time-stamped and linked to the recorded conversation. Later, the recorded conversation could be replayed by pointing to the selected scribbles.

Publications:
Bly, S., Wilcox, L., Chiu, P., Gwizdka, J. (1997). Finding Information in Handwritten Notes: A Study of Indexing, FX PAL Technical Report, 1997.

Work done at FXPAL.

Technical detail: C++.

Notable: a PDA-based tool for creating and linking annotations to the original documents.

Publications:
Baldonado, M., Cousins S., Gwizdka, J., Paepcke, A. (2000). Notable: At the intersection of annotations and handheld technology. In Thomas, P & Gellersen- Hans (Eds.) Handheld and Ubiquitous Computing: Second International Symposium, HUC 2000, Bristol , UK , September 2000. Springer Verlag. Lecture Notes in Computer Science 1927. 100-113. PDF

Work done at Xerox PARC.

Technical detail: client in C (Palm OS), server in Java (implemented under PARC's Placeless system).

FotoFile: Managing large amounts of personal digital images.

Publications:
Kuchinsky, A., Pering C., Freeze, D., Creech, M., Serra, B., Gwizdka, J. (1999). FotoFile: A Consumer Multimedia Organization & Retrieval System. Proceedings of the ACM Conference on Human Factors in Computing Systems CHI'99. ACM Press. 496-503. PDF

Work done at Hewlett Packard Labs.

Technical detail: Java.