Rise presentation-users-2012-01
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Transcript of Rise presentation-users-2012-01
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“That recommender systems can enhance the student
experience in new generation e-resource discovery services”
Recommendations Improve the Search Experience?
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Review of web analytics
Face to Face interviews
Online Survey
Evaluation
http://www.flickr.com/photos/42505898@N00/305205950/sizes/m/in/photostream/
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Survey results 1
Not useful22%
Quite useful22%
Very useful45%
Not sure11%
Related to records you have viewed
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Survey results 2
Not useful38%
Slightly useful15%
Quite useful15%
Very useful31%
People on your course viewed
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Survey results 3
Not useful33%
Quite useful20%
Very useful47%
Search terms
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Survey results 4
Not relevant35%
Slightly relevant
13%
Quite relevant30%
Very relevant
17%
Not used4%
How relevant where the recommendations?
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Survey results
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Focus Groups
Undergraduates
Like ratings and reviews from other students
‘other people’s experiences valuable’
Which module studied?
How high a mark?
Postgraduates
Citation as a recommendation
Wary of provenance
Feed to module website
Want synonyms
Trust repository
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Face to face interviews
First impressions of recommendations (course-related)
Asked to enter a search term. Results and recommendations explored.
Asked about relevance
Asked about preference for type of recommendation
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Should we have a recommender system?
“I think it would be a very good useful feature. It would be definitely very very useful” postgraduate Maths student
“So it would be interesting to see what other people are looking at. Yes, I would definitely use that because my limited knowledge of the library might mean that other people were using slightly different ways of searching and getting different results.” undergraduate English Literature student
I have just had a go, it was good with suggested papers that I had already found (which shows potential in my view) through Google.
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Should we have a recommender system?
“I'm afraid my first reaction is to be a bit sceptical - it presumably doesn't tell you if fellow students found the information/article useful or relevant to what they were looking for. I would hate to waste time following unproductive links laid down by others who might be failing students or think that any "lazy" students might develop poor practice by relying on what others had looked at. It sounds like a good idea but I think caution needs to be exercised. ”
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Why they prefer course-related recommendations
“I can’t be bothered with knowing what everybody else is interested in. I take a really operational view you know, I’m on here, I want to get the references for this particular piece of work, and those are the people that are most likely to be doing a similar thing that I can use.” H800 student
“I suppose if I wasn’t so sure on an assignment it would perhaps be quite useful to see what other people were looking at to know if I was thinking along the right lines.” - Undergrad literature student
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Suggestions for improvement
“Maybe include a date. It would be interesting to know when a resource was last looked at” Postgraduate political philosophy student
“If somebody used similar search but three years ago, is that going to carry the same weight?” Postgraduate maths student
Include course drop-down choice. “I would be looking at that and saying “which of my courses does it refer to?”
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Recommendations usage
Search
40%
Course
36%
Relationship24%
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Recommendations usage
1 2 3 40
200
400
600
800
1000
1200
1400
1600
1800
2000
Relationship
Course
Search
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•Users like recommendations ‘in principle’
•Recommendations provenance
•Interest in the search tools
Findings and lessons learnt
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http://www.flickr.com/photos/rmgimages/4660272978/in/photostream/
Blog: www.open.ac.uk/blogs/RISECode: http://code.google.com/p/rise-project/source/browse/trunk/rise/
Questions?