Recommendations and relevency can be big business. Netflix is offering a prize for someone who improves their recommendations based on sample data. Datamining has the potential of helping libraries increase relevency and help people find books that might interest them or even just relationships between items. However, there is a big privacy issue involved when doing this. There’s a nice talk on google video regarding how to handle some of this that might be worth a watch for those involved in this field.

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