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Building Recommendation Engines by Suresh Kumar Gorakala

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Temporal aspects of recommendation engines

Consider the following scenario: a lady purchases items or looks for items related to pregnancy for almost 9 months. After the delivery of the baby, she will start looking for items related to a newborn. Our recommendation engines should be intelligent enough to capture this information, and as soon as the lady starts looking for items for newborns, the recommendation engine should remove the recommendations related to pregnancy as they are no longer relevant.

The following image shows how the non-inclusion of temporal aspects of recommendation engines still recommends romantic books to a recently-turned monk:

Our choices are very time-specific; we may not like the things that we like today in the future. ...

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