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Ch8 662 : Intelligent Agent (Feature/Characteristic (Autonomy (Have…
Ch8 662 : Intelligent Agent
Agents
Small system that do a very specific task
Feature/Characteristic
Autonomy
Have control over their own action & able to do action independently
Intelligence & Learning
Learning goes beyond just rule-based reasoning because the agent is expected to learn and behave autonomously
Automating Repetitive Task
An agent is designed to perform narrowly defined tasks, which it can do over and over without getting bored
Reactivity
Agents perceive their environment and respond to change in a timely fashion
Proactiveness
Agents are able to exhibit goal directed behavior by taking initiative
Temporal Continuity
Agents are continuously running task and be temporarily inactive while waiting for something to occur
Mobility
Agent must be able to work out of sight (cyberspace or other computer systems) without constant attention of its user
Why use intelligent agent?
Prevent information overload
Typical decision maker has
limited cognitive ability
to process so much information
Too little data bad, too much data is also bad. A filtering tool is needed,
Intelligent agent able to
assist searching through all the data
Can
save time
by making decision on what is
relevant
to the user
(Eg: Email filter helps to sort or block upcoming email)
Semantic Web
A semantic web enable an environment, which independent, Internet connected information systems can
exchange
knowledge and action specification, resulting in an activity that is
acceptable
to all system involved
Represented in
HTML
Internet-based Software Agents
Email Agents (mailbots)
Web browsing assisting agent
FAQ agents
Intelligent Search (or indexing) Agent
Internet Softbots
Network Management & Monitoring
E-commerce Agent
Component of Semantic Web
Uniform Resources Identifier
Logic
Ontologies
Proof and Trust
Advantage of Semantic Web
Easy to understand
Easy resource integration
Saving development time and cost
Automatic update of content
Easy resource reuse
Enhanced search mechanism
Virtual community
Limitation of Semantic Web
Graphical representation may be oversimplified
More tools for searching content
Ontology may not be correctly defined
Agents that use inconsistent, incorrect or unreliable resources may lead to wrong decisions
Security and related issues are key concerns
Web based Recommendation System
Profile generation & maintenance
Profile exploitation & recommendation
Intelligent Agent
An expert or knowledge-based system embedded in computer-based information systems (or their components) to make them smarter
Components of Intelligent Agent
Owner username, master agent name
Author the development owner
Account
Goal
Subject description
Creation & duration
Background (Supporting information)