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    HCI & Computer Graphics
    COMP3145
    Progress0 / 73 topics
    Topics
    1. The Human: Input-output channels2. Human memory3. Thinking, Reasoning, Problem solving4. Emotions and Individual differences5. Psychology and design of interacting systems6. The Computer: Text entry devices7. Positioning, Pointing, and drawing devices8. Display devices9. Devices for virtual reality and 3D interaction10. Physical controls, Sensors and special devices11. Paper printing and scanning12. Memory, Processing and networks13. The Interaction: Models of interaction14. Frameworks and HCI15. Ergonomics16. Interaction styles17. Elements of the WIMP interfaces18. Interactivity and Context of interaction19. Usability Paradigm and Principles: Introduction20. Paradigms for interaction21. Interaction Design Basics: What is design22. Process of design and User focus23. Navigation design24. Screen design and layout25. Iteration and prototyping26. HCI in Software Process: Software life cycle27. Usability engineering28. Iterative design and prototyping29. Design rationale30. Design rules and Guidelines31. Golden rules and heuristics32. HCI patterns33. Evaluation techniques and methods34. Task analysis35. Universal design36. User support systems37. Computer Supported Cooperative Work38. Groupware systems39. Implementation of synchronous groupware40. Ubiquitous computing41. History of Computer Graphics42. Graphics architectures and software43. Imaging and vision: Pinhole camera, Human vision, Synthetic camera44. Modeling vs. rendering45. OpenGL Architecture46. Displaying simple two-dimensional geometric objects47. Positioning systems and windowed environment48. Color perception and models49. RGB, CMY, HLS color models50. Color transformations51. Color in OpenGL: RGB and indexed color52. Input: Network environment and client-server computing53. Input measures: event, sample and request input54. Using callbacks and picking55. Affine transformations: translation, rotation, scaling, shear56. Homogeneous coordinates and concatenation57. Current transformation and matrix stacks58. Three Dimensional Graphics: Classical viewing59. Specifying views in 3D60. Affine transformation in 3D61. Projective transformations62. Ray tracing63. Shading: Illumination and surface modeling64. Phong shading model65. Polygon shading66. Rasterization: Line drawing via Bresenham's algorithm67. Clipping and polygonal fill68. BitBlt operations69. Hidden surface removal (z buffer)70. Discrete Techniques: Buffers71. Reading and writing bitmaps and pixel maps72. Texture mapping73. Compositing
    COMP3145›Computer Supported Cooperative Work
    HCI & Computer GraphicsTopic 37 of 73

    Computer Supported Cooperative Work

    2 minread
    422words
    Beginnerlevel

    1. What is Computer Supported Cooperative Work (CSCW)?

    Definition: CSCW refers to the study and design of computer-based systems that help people work together collaboratively, supporting communication, coordination, and cooperation among individuals or groups.

    Key Idea: CSCW focuses on how technology can enhance group work, whether users are in the same location (co-located) or remote (distributed), by facilitating interaction and collaboration.


    2. Purpose of CSCW

    • Support collaborative tasks across individuals and teams
    • Enhance communication, coordination, and shared understanding
    • Enable distributed teamwork regardless of time and location
    • Improve productivity, efficiency, and decision-making
    • Provide tools for synchronous and asynchronous collaboration

    3. Components of CSCW Systems

    CSCW systems typically include tools for:

    1. Communication

      • Supports exchange of information between team members
      • Examples: Email, instant messaging, video conferencing, chat systems
    2. Coordination

      • Helps organize tasks, schedules, and workflows
      • Examples: Shared calendars, project management software, workflow systems
    3. Collaboration

      • Allows multiple users to work together on shared artifacts
      • Examples: Google Docs, collaborative design tools, shared whiteboards
    4. Awareness

      • Provides information about others’ activities, availability, and contributions
      • Examples: Presence indicators, activity feeds, version history

    4. Types of CSCW

    A. Synchronous Collaboration

    • Users interact in real-time
    • Examples: Video conferencing, instant messaging, shared drawing boards

    B. Asynchronous Collaboration

    • Users interact at different times
    • Examples: Email, discussion forums, shared document editing

    C. Co-located Collaboration

    • Team members work together in the same physical space
    • Example: Interactive tabletop systems, shared whiteboards

    D. Remote Collaboration

    • Team members work from different locations
    • Examples: Cloud-based collaboration tools, virtual meeting platforms

    5. Design Considerations for CSCW Systems

    1. Usability: Easy to learn and use for all participants
    2. Awareness Support: Keep users informed about others’ actions
    3. Coordination Mechanisms: Efficient task assignment, scheduling, and conflict resolution
    4. Communication Support: Multiple channels for interaction
    5. Flexibility: Support both synchronous and asynchronous collaboration
    6. Security and Privacy: Protect shared information and communications

    6. Benefits of CSCW

    • Increased productivity: Multiple users can contribute simultaneously
    • Enhanced decision-making: Shared knowledge and perspectives improve outcomes
    • Time and cost savings: Collaboration across distances without physical meetings
    • Knowledge sharing: Centralized repositories and shared work artifacts
    • Innovation: Facilitates brainstorming and collaborative problem-solving

    7. Examples of CSCW Systems

    • Google Workspace: Shared documents, spreadsheets, calendars
    • Microsoft Teams / Slack: Communication and project coordination
    • Trello / Asana: Task management and workflow coordination
    • Zoom / Cisco Webex: Real-time video collaboration
    • Figma / Miro: Collaborative design and whiteboarding tools

    Key Takeaways

    • CSCW focuses on supporting cooperative work through computer systems.
    • It addresses communication, coordination, collaboration, and awareness among users.
    • CSCW systems can be synchronous/asynchronous and co-located/remote.
    • Effective CSCW design improves productivity, decision-making, and user satisfaction in collaborative environments.
    Previous topic 36
    User support systems
    Next topic 38
    Groupware systems

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      Reading Stats
      Est. reading time2 min
      Word count422
      Code examples0
      DifficultyBeginner