introduction recsystel workshop 2012
DESCRIPTION
Recsystel2012 Introduction and Best Paper slidesTRANSCRIPT
dataTEL challenge & dataTEL cafe event
• a call for TEL datasets
• eight data sets submitted
http://bit.ly/ieqmWW
http://dev.mendeley.com/datachallenge/
Mendeley
APOSDLE
ReMashed
Organic.edunet
Mace Melt
Collection period
1 year 3 months
2 years 9 months
3 years
6 months
Users 200.000 6 140 1.000 1.148 98
Items 1.857.912 163 96.000 11.000 12.000 1.923
Activities 4.848.725 1.500 23.264 920 461.982
16.353
reads + + - - + -
tags - (+) + + + +
ratings (+) - + + + +
downloads + + - - + +
search - + - - + -
collaborations - + - - - -
tasks/goals - + + - - -
sequence - + - - - -
competence - + - - + -
time - - - - + +
http://bit.ly/A4CwZU
http://bit.ly/acBKsp
TalkExplorer - Conference Navigator
Participate in a short user study:• bookmark papers that are relevant with this visualization
• you can win an iPod Nano!
http://bit.ly/cn3talkexplorer
RecSysTEL - Best paper award 2012
Paper A: Cristian Cechinel et al. (2012)Populating Learning Object Repositories with Hidden Internal Quality Information
Paper B: Pythagoras Karampiperis et al. (2012) Sentiment Analysis: A tool for Rating Attribution to Content in Recommender Systems
Algorithms
Paper A:Cristian
Paper B:Pythagoras
AVG: 2.6
AVG: 3
Algorithms
Paper A:Cristian
Paper B:Pythagoras
AVG: 3.3
AVG: 2.9
Algorithms
Paper A:Cristian
Paper B:Pythagoras
AVG: 3
AVG: 3.7
Application
Paper A:Cristian
Paper B:Pythagoras
AVG: 3.3
AVG: 3.3
Application
Paper A:Cristian
Paper B:Pythagoras
AVG: 3
AVG: 3.7
Application
Paper A:Cristian
Paper B:Pythagoras
AVG: 2.7
AVG: 2.7
Application
Paper A:Cristian
Paper B:Pythagoras
AVG: 3.5
AVG: 3.6
Application
Paper A:Cristian
Paper B:Pythagoras
AVG: 2.6
AVG: 3
And the best paper goes to:
Paper B: Pythagoras Karampiperis et al. (2012)
Sentiment Analysis: A tool for Rating Attribution to Content in Recommender Systems