The Department of Computer Science offers programs of study related to computing, information technology and software design and application. Our programs involve interdepartmental, multi-institutional and inter-institutional collaboration and have attracted faculty members, undergraduate and graduate students from all over the world. Students may pursue full-time or part-time study leading to a Certificate in Computer Science or to B.Sc., M.Sc., or Ph.D. degrees.

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  • A Study of Visually Linked Keywords to Support Exploratory Browsing in Academic Search 

    Hoeber, Orland; Shukla, Soumya (Journal of the Association for Information Science and Technology, 2022)
    While the search interfaces used by common academic digital libraries pro- vide easy access to a wealth of peer-reviewed literature, their interfaces pro- vide little support for exploratory browsing. When faced with a ...
  • The Effects of Simulated Interruptions on Mobile Search Tasks 

    Hoeber, Orland; Harvey, Morgan; Dewan Sagar, Shaheed Ahmed; Pointon, Matthew (Journal of the Association for Information Science and Technology, 2021-10)
    While it is clear that using a mobile device can interrupt real-world activities such as walking or driving, the effects of interruptions on mobile device use have been under-studied. We are particularly interested in how ...
  • Approximation and Visualization of Sets Defined by Iterated Function Systems 

    Hepting, Daryl H. (University of Regina, 1991-03)
    An iterated function system (IFS) is defined to be a set of contractive affine transformations. When iterated, these transformations define a closed set, called the attractor of an IFS, which has fractal characteristics. ...
  • The Escape Buffer: Efficient Computation of Escape Time for Linear Fractals 

    Hepting, Daryl; Hart, John (Canadian Human Computer Communications Society, 1995-05-17)
    The study of linear fractals has gained a great deal from the study of quadratic fractals, despite important differences. Methods for classifying points in the complement of a fractal shape were originally developed for ...
  • Rendering Methods for Iterated Function Systems 

    Hepting, Daryl; Prusinkiewicz, Przemyslaw; Saupe, Dietmar (North-Holland, 1991-12)
    This paper describes rendering methods for iterated function systems (IFS’s). The rendering process consists of the generation of a field of data using an IFS and its visualization by means of computer graphics. Two groups ...
  • A Linear Model for Three-Way Analysis of Facial Similarity 

    Hepting, Daryl H.; Bin Amer, Hadeel Hatim; Yao, Yiyu (Springer, Cham, 2018-05-18)
    Card sorting was used to gather information about facial similarity judgments. A group of raters put a set of facial photos into an unrestricted number of different piles according to each rater’s judgment of similarity. ...
  • On Graphical Modeling of Preference and Comfort 

    Ahmed, Sultan; Mouhoub, Malek (2017)
    User's choices involve habitual behavior and genuine decisions. Habitual behavior is often represented using preferences. The conditional preference network (CP-net) is a graphical tool for representing and reasoning about ...
  • Three-Way Analysis of Facial Similarity Judgments 

    Hepting, Daryl H.; Bin Amer, Hadeel Hatim; Yao, Yiyu (2017-10-23)
    The card sorting problem involves the similarity judgments of pairs of photos, taken from a set of photos, by a group of participants. Given the lack of an objective standard for judging similarity, different participants ...
  • Discernibility in the Analysis of Binary Card Sort Data 

    Hepting, Daryl (Springer, 2013-10-11)
    In an open card sorting study of 356 facial photographs, each of 25 participants created an unconstrained number of piles. We consider all 63,190 possible pairs of photos: if both photos are in the same pile for a participant, ...
  • Operationalizing Ethics in Food Choice Decisions 

    Hepting, Daryl; Jaffe, JoAnn; Maciag, Timothy (Springer, 2014-06)
    There is a large gap between attitude and action when it comes to consumer purchases of ethical food. Amongst the various aspects of this gap, this paper focuses on the difficulty in knowing enough about the various ...
  • Simultaneous Tracking and Activity Recognition with Relational Dynamic Bayesian Networks 

    Manfredotti, Cristina Elena; Fleet, David James; Hamilton, Howard John; Zilles, Sandra (Department of Computer Science, University of Regina, 2011-03-30)
    Taking into account relationships between interacting objects can improve the understanding of the dynamic model governing their behaviors. Moreover, maintaining a belief about the ongoing activity while tracking allows ...