spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia...
TRANSCRIPT
![Page 1: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/1.jpg)
spatio-temporal collaborative filteringfor personalized photowalks recommendation
sofia torrão . [email protected] . pro09019
sexta-feira, 29 de janeiro de 2010
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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
![Page 3: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/3.jpg)
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
![Page 4: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/4.jpg)
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
![Page 5: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/5.jpg)
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
![Page 6: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/6.jpg)
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
![Page 7: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/7.jpg)
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
![Page 8: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/8.jpg)
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
![Page 9: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/9.jpg)
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
collaborative filtering
sexta-feira, 29 de janeiro de 2010
![Page 10: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/10.jpg)
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
collaborative filtering
sexta-feira, 29 de janeiro de 2010
![Page 11: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/11.jpg)
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
collaborative filtering
sexta-feira, 29 de janeiro de 2010
![Page 12: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/12.jpg)
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
user-item example
sexta-feira, 29 de janeiro de 2010
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sofia torrão . prodei. msc . dsie’10 . 29th january 2010
user-item example
sexta-feira, 29 de janeiro de 2010
![Page 14: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/14.jpg)
sofia torrão . prodei. msc . dsie’10 . 29th january 2010
user-item example
sexta-feira, 29 de janeiro de 2010
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what about...
sexta-feira, 29 de janeiro de 2010
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what about...
time constraints?
space/location? multicriteria ranks?
context awareness...
personalization?
weather?
sexta-feira, 29 de janeiro de 2010
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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
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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
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porto, portugal 58052 geotagged items on flickr
sexta-feira, 29 de janeiro de 2010
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porto, portugal 58052 geotagged items on flickr
sexta-feira, 29 de janeiro de 2010
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porto, portugal 58052 geotagged items on flickr
sexta-feira, 29 de janeiro de 2010
![Page 22: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/22.jpg)
spatio-temporal CF for personalized photowalks
application
sexta-feira, 29 de janeiro de 2010
![Page 23: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/23.jpg)
spatio-temporal CF for personalized photowalks
application
sexta-feira, 29 de janeiro de 2010
![Page 24: spatio-temporal collaborative filtering for personalized ...dsie10/presentations/session 4...sofia torrão . prodei. msc . dsie’10 . 29th january 2010 walkthrough starting point](https://reader036.vdocuments.us/reader036/viewer/2022071609/61483a02cee6357ef925376d/html5/thumbnails/24.jpg)
thank you... questions?
sofia torrão . [email protected] . pro09019
sexta-feira, 29 de janeiro de 2010