l xmlns="http://www.w3.org/1999/l">
Preliminary work and first version of the system was described in Abi-Aad et al. (2001).
The term Preference Indication by Example was introduced in Abi-Aad (2001).
http://www.trl.ibm.com/projects/mrm/dp/index_e
Information about various aspects of agents' development and use can be found at http://agents.umbc.edu/
Other attributes often considered pertinent for agents include reactivity, temporal continuity, personality, and mobility (see Etzioni & Weld, 1995; Franklin & Graesser, 1996).
These approaches correspond to two kinds of modern knowledge acquisition tools described in the previous chapter: knowledge elicitation tools and knowledge capture tools.
http://www.epistemics.co.uk/products/pcpack/
http://tiger.cpsc.ucalgary.ca/WebGrid/WebGridl
http://www.isi.edu/expect/
http://protege.stanford.edu/indexl