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Exploring Human-Computer Interaction: Licklider's Vision and RDF Overview

This document outlines a seminar focusing on critical aspects of human-computer interaction, inspired by J.C.R. Licklider's pioneering ideas. It covers student presentations on psychological impacts, robotics, social networking, and accessibility, emphasizing the interwoven roles humans play with technology. The session reviews essential concepts such as RDF for data semantics, communication dynamics, and the complexities of user engagement. The agenda for next week includes further discussions on these themes, along with insights into the potential future of human-computer symbiosis.

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Exploring Human-Computer Interaction: Licklider's Vision and RDF Overview

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  1. CS 575Spring 20102010-05-15 K.V. Bapa Rao

  2. Outline • Administrative • Review of previous class • Student Presentations • Licklider’spapers • RDF Overview • General Discussion • Summary • Agenda for next meeting

  3. Administrative

  4. Student Presentations • Hanish Patel: Psychological • PratyushMishra: Robotics • Jwalant Desai: Social Networking • NiteenBorge: Accessibility/ Handicapped

  5. REMINDER: A [flexible] structure for our study • ‘Human issues’ is all-encompassing • Many interlocking dimensions • Human roles vis-à-vis the computer • User • Inventor / researcher • Visionary • Content creator • Hacker • Criminal • Business person • Wealth generator • … • Human-computer coupling • Symbiosis, tool, …

  6. A [flexible] structure for our study (contd) • Domains of human activity • Education, Entertainment, Play, Family, Reproduction, Art ,Wealth generation, Government, consumption, religion, philosophy, … • Values • Many values depend on role, domain, … • Absolute values? • Creativity, aesthetics, access, opportunity, freedom, spirituality, rationality, peace, brotherhood, prosperity, … • Vision, potentials, realities • Babbage’s Analytical Engine, Bush’s Memex, … • Pragmatics • Is it possible? How to get there? • Techniques, Design, Technology, • Scaling and emergent phenomena • Will a whole new thing emerge if huge numbers of humans interact with computers in a certain way? How do we understand that ‘thing’? • Other aspects, dimensions?

  7. Engelbart: Two-domain system • H-LAM/T

  8. JCR Licklider: Human-computer symbiosis • Issues • Speed mismatch • System requirements (hardware, memory, …) • Organizational mismatch: Memory organization (Information structuring and retrieval) • Language mismatch • What versus how • I/O mismatch • Voice, mobile, touch, …

  9. Computer as communication device • “In a few years, men will be able to communicate more effectively through a machine than face to face” • What is communication? • Two tape recorders exchanging data • Two humans having a meeting • Collaborative Modeling

  10. Licklider Contd--Economics • Models are complex • Simplification is risky and dangerous • Oversimplification • Premature simplification • Communicating models is expensive • Cost of not doing it?

  11. Licklider Contd • Computer as switch vs. interactor • Distributed intellectual resources • ‘critical creative mass’ • Vision of internet • Store-and-forward technology • Economics: billing models

  12. Vision of internet • Node • Mediator for online life: OLIVER • Social groups • Better for individual • Better for society

  13. A Concrete Example: Overview of RDF • http://www.w3schools.com/rdf/rdf_intro.asp

  14. Summary • Licklider thought through some of the issues of the human-computer interface modeled by Engelbart, at one extreme (symbiosis) • Impedance mismatch • RDF is a concrete example of the merger of communication and semantics for data (ref to Berners-Lee) • Licklider’svision of internet was based on a rich concept of communication Led to TCP/IP

  15. Agenda for next week

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