Within a case, you can store most types of data that you would ex-
pect to be able to store in a normal database, for example, names,
product identifiers, values such as cost or temperature, and textual
notes. An increasing number of CBR tools also support multimedia
features such as photos, sound, and video.
2.9 CBR Processes
Now we are ready to examine the six-REs—the six processes of the
CBR cycle. Retrieval is given the most detailed treatment since it is at
the core of all CBR systems.
2.9.1 Retrieval
When you have a requirement for knowledge—perhaps the solution
to a specific problem you are dealing with—it is unlikely to be the
same as those that have preceded it. Indeed, even if it were the same,
you may not describe it the same way twice. Thus, ...