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System Computing

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  1. Network Computing Discovery, Communication, and Collaboration

  2. The Internet The Internet is a global network of computer networks. It links the computing resources of business, government, and educational institutions using a common computer communication protocol.

  3. The Internet • Discovery • Communication • Collaboration • Information superhighways

  4. The Internet:Characteristics and Capabilities • Accessing the internet • TV access • Internet (network) terminal • TCP/IP • Resources • Benefits

  5. The Internet:Benefits • Messages - low cost • Access to government information • Library of Congress • Forum • Download documents and software • Electronic commerce • Access to newspapers, magazines, and books

  6. The Internet:Benefits • Cultural events • Entertainment • Collaborative research • Free telephone call and video conferencing • Access to museums worldwide • Web translators - access to information in other languages

  7. Supporting Discovery:Via the Web The WWW is a vast collection of interconnected pages of information that are stored on computers around the world which are connected to the Internet.

  8. Supporting Discovery:Via the Web • Hyperlinks • Hypertext • Web site • Client / server architecture

  9. Supporting Discovery:Benefits of the Web • Open • Resourceful • Efficient • Dynamic

  10. Supporting Discovery:Via the Web • Creating Web documents • Search engines • Gopher • Downloading software and files • Supporting communication

  11. Supporting Communication Communication is an interpersonal process of sending and receiving symbols with messages attached to them.

  12. Supporting Communication:Factors Determining the Uses of Information Technology • Participants • Nature of sources and destinations • Location • Time • Media

  13. Time / Place Framework • Same-time/same-place • Same-time/different-place • Different-time/same-place • Different-time/different-place

  14. Place Same Different Same Time Different

  15. Supporting Communication • Electronic mail - e-mail • Internet and intranet • Chat programs • Newsgroups • Mailing lists and electronic bulletin boards

  16. Supporting Collaboration Collaboration refers to the mutual efforts by two or more individuals who perform activities in order to accomplish certain tasks.

  17. Supporting Collaboration • Conventional approach • Nominal group technique • Delphi method • Using IT to support groupwork • Workflow systems • Screen sharing

  18. Groupware:Technologies and Infrastructure • Visual communication • Electronic voice communication • Group Decision Support Systems (GDSS) • Integrated technologies • Intranet and extranet

  19. Visual Communication • Video teleconferencing • Video mail

  20. Electronic Voice Communication • Advantages • Applications

  21. Electronic Voice CommunicationAdvantages • Hands-free / eyes-free operations • Disabled employees - voice commands • Portable voice terminals • Voice terminals - rugged • Faster • Fewer errors

  22. Electronic Voice CommunicationApplications • Interactive voice recognition • Voice annotation • Automated attendant • Voice mail • Audiotext

  23. Group Decision Support Systems (GDSS) A group decision support system is an interactive computer-based system that facilitates the solution of semistructured and unstructured problems by a group of decision makers.

  24. Group Decision Support Systems • Supporting face-to-face meetings • Applications

  25. Group Decision Support SystemsSupporting face-to-face meetings • Hardware • Software • People • Procedures

  26. Group Decision Support SystemsApplications • IRS - quality improvement • European auto industry - support experts • San Trans - contract negotiations • El Rio Health Care - contract negotiations • City of Louisville - public education

  27. Integrated Technologies:Examples • PictureTel • Cardiff Software • Netscape Communicator • Lotus Notes / Domino

  28. Lotus Notes Lotus notes is a Windows-based client/server platform for developing and deploying groupware applications.

  29. Lotus NotesCapabilities • Tracking • Team discussion • Broadcasting • References

  30. Lotus Notes • Application categories • Things to do • Contract library • Corporate policy documents • Notes’ databases • Discussion databases • Document libraries • Information services

  31. The Intranet The Intranet, or internal Web, is a network architecture designed to serve the internal informational needs of a company using Web concepts and tools.

  32. Extranets The extranet is an infrastructure that allows secure communications among business partners.

  33. Internet Implementation Topics • Internet-based software agents • Internet-based data mining • Ethics on the net

  34. Internet-based Software Agents • E-mail agents • Web-browsing-assisting agents • Intelligent indexing agents

  35. Internet-based Data Mining • Resource discovery • Information extraction • Generalization

  36. Ethics on the Net • Privacy and ethics in e-mail • Right of free speech • Copyright • Privacy of patient’s information • Internet manners • Monitoring employee’s use of the Internet

  37. Managerial Issues • Security of communication • Data crossing national boarders • Congestion • Control of employee time and activities • Questionnaires and referenda • Organizational impacts

  38. Managerial Issues • Use of the decision room • Cost-benefit justification • Legal issues • Controlling the access and managing the content of the material on the intranet

  39. Copyright  1999 John Wiley & Sons, Incorporated. All rights reserved. Reproduction or translation of this work beyond that permitted in Section 117 of the 1976 United States Copyright Act without the express written permission of the copyright owner in unlawful. Request for further information should be addressed to the Permissions Department, John Wiley & Son, Inc. Adopters of the textbook are granted permission to make back-up copies for his/her own use only, to make copies for distribution to student of the course the textbook is used in, and to modify this material to best suit their instructional needs. Under no circumstances can copies be made for resale. The publisher assumes no responsibility for errors, omissions, or damages, caused by the use of these programs or from the use of the information contained herein.