Transcript Network Computing

Network Computing
Discovery, Communication, and
Collaboration
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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.
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The Internet
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Discovery
Communication
Collaboration
Information superhighways
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The Internet:
Characteristics and Capabilities
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Accessing the internet
TV access
Internet (network) terminal
TCP/IP
Resources
Benefits
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The Internet:
Benefits
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Messages - low cost
Access to government information
Library of Congress
Forum
Download documents and software
Electronic commerce
Access to newspapers, magazines, and
books
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The Internet:
Benefits
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Cultural events
Entertainment
Collaborative research
Free telephone call and video conferencing
Access to museums worldwide
Web translators - access to information in
other languages
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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.
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Supporting Discovery:
Via the Web
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Hyperlinks
Hypertext
Web site
Client / server architecture
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Supporting Discovery:
Benefits of the Web
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Open
Resourceful
Efficient
Dynamic
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Supporting Discovery:
Via the Web
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Creating Web documents
Search engines
Gopher
Downloading software and files
Supporting communication
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Supporting Communication
Communication is an interpersonal process
of sending and receiving symbols with
messages attached to them.
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Supporting Communication:
Factors Determining the Uses of
Information Technology
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Participants
Nature of sources and destinations
Location
Time
Media
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Time / Place Framework
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Same-time/same-place
Same-time/different-place
Different-time/same-place
Different-time/different-place
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Place
Same
Different
Same
Time
Different
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Supporting Communication
• Electronic mail - e-mail
– Internet and intranet
• Chat programs
• Newsgroups
• Mailing lists and electronic bulletin boards
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Supporting Collaboration
Collaboration refers to the mutual efforts by
two or more individuals who perform
activities in order to accomplish certain
tasks.
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Supporting Collaboration
• Conventional approach
– Nominal group technique
– Delphi method
• Using IT to support groupwork
• Workflow systems
• Screen sharing
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Groupware:
Technologies and Infrastructure
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Visual communication
Electronic voice communication
Group Decision Support Systems (GDSS)
Integrated technologies
Intranet and extranet
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Visual Communication
• Video teleconferencing
• Video mail
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Electronic Voice Communication
• Advantages
• Applications
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Electronic Voice Communication
Advantages
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Hands-free / eyes-free operations
Disabled employees - voice commands
Portable voice terminals
Voice terminals - rugged
Faster
Fewer errors
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Electronic Voice Communication
Applications
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Interactive voice recognition
Voice annotation
Automated attendant
Voice mail
Audiotext
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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.
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Group Decision Support Systems
• Supporting face-to-face meetings
• Applications
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Group Decision Support Systems
Supporting face-to-face meetings
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Hardware
Software
People
Procedures
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Group Decision Support Systems
Applications
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IRS - quality improvement
European auto industry - support experts
San Trans - contract negotiations
El Rio Health Care - contract negotiations
City of Louisville - public education
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Integrated Technologies:
Examples
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PictureTel
Cardiff Software
Netscape Communicator
Lotus Notes / Domino
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Lotus Notes
Lotus notes is a Windows-based
client/server platform for developing and
deploying groupware applications.
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Lotus Notes
Capabilities
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Tracking
Team discussion
Broadcasting
References
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Lotus Notes
• Application categories
– Things to do
– Contract library
– Corporate policy documents
• Notes’ databases
– Discussion databases
– Document libraries
– Information services
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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.
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Extranets
The extranet is an infrastructure that allows
secure communications among business
partners.
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Internet Implementation Topics
• Internet-based software agents
• Internet-based data mining
• Ethics on the net
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Internet-based Software Agents
• E-mail agents
• Web-browsing-assisting agents
• Intelligent indexing agents
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Internet-based Data Mining
• Resource discovery
• Information extraction
• Generalization
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Ethics on the Net
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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
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Managerial Issues
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Security of communication
Data crossing national boarders
Congestion
Control of employee time and activities
Questionnaires and referenda
Organizational impacts
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Managerial Issues
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Use of the decision room
Cost-benefit justification
Legal issues
Controlling the access and managing the
content of the material on the intranet
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