User-Item Interaction Data Base

A User-Item Interaction Data Base is an interaction data base that represents user-item interaction events.

• Context:
  • It can range from being an User-Item Explicit Interaction Dataset to being an User-Item Implicit Interaction Dataset.
  • It can (often) be linkable to an Item Profile Database, and to a User Profile Database.
  • It can be referenced by a Data-Driven Item(s) Recommendation Task (such as a collaborative filtering task).
  • …
• Example(s):
  • a User-Item Rating Dataset, such as a MovieLens dataset[1].
  • a Clickthrough Dataset, such as Avazu's CTR Prediction Dataset[2].
  • …
• Counter-Example(s):
  • a Molecular Interaction Database.
• See: Explicit Interaction, Implicit Interaction.

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References

2013

• https://en.wikipedia.org/wiki/File:Collaborative_filtering.gif
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