This is an interesting paper with an important point. The idea is that instructors can take electronic notes about student activities as they occur. For example, "Mr. Jackson notes that Tamara is taking notes on the group’s activity but is primarily just observing her group partners do the work. He writes a brief reminder (“observer/scribeâ€) on his PDA alongside Tamara’s name and encourages her to work with other peers..." Now that may not seem like much, but it instantiates an important point: valuable data is created by context, by use. This is true not only of students but of entities generally. Mr. Jackson's PDA comments may end up on Tamara's records - or they may end up as valuable metadata for the description and retrieval of the content object Tamara was using.
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