They can be personalized to the end users??™ preferences. Furthermore,
they are adaptive and can learn from past experiences. In addition, in a scenario of
multi-agent environments, agents can interact with each other. Therefore, coordination,
cooperation, and communication have become the most important external
properties for agents. In this chapter, we explore the evolutionary features of software
agents based on these basic properties.
Mobility is another exciting feature for agents, especially with the development of
the Internet (Yang & Guan, 2000). Mobile agents can move from one machine to
another, across different platforms or architectures. Adding mobility to software
agents will improve the potential of their applications in e-commerce. With mobility,
agents can now move from one e-commerce service provider (ESP) to another
and carry on their execution from where they left off in the previous ESP. In this
way, mobile agents can not only retrieve information or negotiate prices from one
ESP but also they can compare the prices from the other ESPs before deciding for
the end user.
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