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spatio-temporal collaborative filteringfor personalized photowalks recommendation
sofia torrão . sofiatorrao@fe.up.pt . pro09019
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
walkthrough
starting point
the subject ~ spatio-temporal collaborative filtering
the application
motivation
relevance
contribution
the path
requirements
study spatio-temporal CF
implement algorithm
build application
next stop
evaluation and improvements
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
help users to choose something or someone based on what friends, colleagues... have chosen before and make predictions based on a group choice on other items;
starting point . recommender systems
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
help users to choose something or someone based on what friends, colleagues... have chosen before and make predictions based on a group choice on other items;
starting point . recommender systems
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
help users to choose something or someone based on what friends, colleagues... have chosen before and make predictions based on a group choice on other items;
starting point . recommender systems
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
motivation
open API.... Google maps, facebook connect, social networks, semantic web...
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
motivation
open API.... Google maps, facebook connect, social networks, semantic web...
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
motivation
open API.... Google maps, facebook connect, social networks, semantic web...
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
collaborative filtering
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
collaborative filtering
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
collaborative filtering
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
user-item example
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
user-item example
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
user-item example
sexta-feira, 29 de janeiro de 2010
what about...
sexta-feira, 29 de janeiro de 2010
what about...
time constraints?
space/location? multicriteria ranks?
context awareness...
personalization?
weather?
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
flickr
users . contacts . groups . tags . geo location . date&time . title . description . comments . interestingness . ...
sexta-feira, 29 de janeiro de 2010
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
the data...
flickr API
also google maps, visualization, image analysis...
sexta-feira, 29 de janeiro de 2010
porto, portugal 58052 geotagged items on flickr
sexta-feira, 29 de janeiro de 2010
porto, portugal 58052 geotagged items on flickr
sexta-feira, 29 de janeiro de 2010
porto, portugal 58052 geotagged items on flickr
sexta-feira, 29 de janeiro de 2010
spatio-temporal CF for personalized photowalks
application
sexta-feira, 29 de janeiro de 2010
spatio-temporal CF for personalized photowalks
application
sexta-feira, 29 de janeiro de 2010
thank you... questions?
sofia torrão . sofiatorrao@fe.up.pt . pro09019
sexta-feira, 29 de janeiro de 2010
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