Zero-query information retrieval system

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• no explicit query from user • IR triggered by context • cheap information for user

Zero-query information retrieval system

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Context:

Activity

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Context:

Activity

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Watching football match

Context:

Activity

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Research questions

1) What are common information needs w.r.t. activity?

2) Are information needs static or dynamic in time?

3) How to rank future information needs given the last activity of the user?

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RQ 1 Relevance of information needs given user's activity

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RQ 1 Relevance of information needs given user's activity

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RQ 2 Temporal dynamics of information needs

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RQ 2 Temporal dynamics of information needs

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RQ 2 Temporal dynamics of information needs

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RQ 2 Temporal dynamics of information needs

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RQ 3 Anticipation of user's future information needs given her last activity

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Future work• Exact timing of information cards • Content of information cards • Personalization

• Evaluation

Didn't fit in presentation

• Anticipating information needs and addressing them with information cards using activity as a context.

Wrap up

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Future work• Exact timing of information cards • Content of information cards • Personalization

• Evaluation

Didn't fit in presentation

• Anticipating information needs and addressing them with information cards using activity as a context.

Wrap up

Hire me for an internship!

www.zero-query.com