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Recommender Systems in TEL
1.
Recommender Systems in
TEL Nikos Manouselis Greek Research & Technology Network (GRNET) nikosm@ieee.org
2.
3.
4.
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intro: tale of
3 friends
7.
which movie?
8.
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recommender systems
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large number of
options
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tasks for recommender
systems
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find all good
items
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sequence of items
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modeling & techniques
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example: content-based
35.
example: collaborative filtering
36.
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a generic architecture
[Karampiperis & Sampson, 2005]
41.
an example [Karampiperis
& Sampson, 2005]
42.
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evaluation
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46.
typical results means
that a prediction could be 4,6 stars instead of 4 or 5 … does this really matter in TEL?
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53.
54.
wrap up &
directions
55.
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59.
thank you! questions?
ideas?
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