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Empowering Experience-Sharing through Social Networks
                          Beatrice Valeri, Marcos Baez, Fabio Casati
                                  University of Trento, Italy
                              {valeri, baez, casati}@disi.unitn.it




Tuesday, October 16, 12
Experience-sharing




Tuesday, October 16, 12
Experience-sharing




Tuesday, October 16, 12
Experience-sharing




Tuesday, October 16, 12
Experience-sharing




                             Do current systems really
                            empower our experiences?

Tuesday, October 16, 12
Experience-sharing



   finding activities you really like




                                        Do current systems really
                                       empower our experiences?

Tuesday, October 16, 12
Experience-sharing



   finding activities you really like           with the right people




                                        Do current systems really
                                       empower our experiences?

Tuesday, October 16, 12
Experience-sharing



   finding activities you really like           with the right people   without that filling that your missing out things




                                        Do current systems really
                                       empower our experiences?

Tuesday, October 16, 12
Survey
                 ?
                ??        • Sources of event info
                          • Aspects considered
                            when deciding
                          • Ability to find
                            interesting events




Tuesday, October 16, 12
Survey
                 ?
                ??        • Sources of event info
                          • Aspects considered
                            when deciding
                          • Ability to find
                            interesting events


                          ~150 participants

Tuesday, October 16, 12
RESULTS   Survey
                                • Sources of event info
                                    Invitation / Information from
                                    Friends


                                • Aspects considered
                                    when deciding
                                    44% often look at who goes
                                    to decide



Tuesday, October 16, 12
RESULTS   Survey
                                • Ability to find
                                    interesting events
                                    I’d like to have some way to
                                    find interesting things to do


                                • Sources vs ability to
                                    find events
                                    People using the web feel
                                    the need for better tools


Tuesday, October 16, 12
Experiment

                          • 75 restaurants around
                            Trentino - top TA
                          • rating 1-5 from local
                            people
                          • friends from Facebook

Tuesday, October 16, 12
Experiment




Tuesday, October 16, 12
Experiment




Tuesday, October 16, 12
Dataset

                          • 195 users
                          • 1118 ratings
                          • 214 comments


Tuesday, October 16, 12
Comparing to TA




Tuesday, October 16, 12
Comparing to TA




                            The population has a
                             significant impact
Tuesday, October 16, 12
A deeper look
                           • Defined 4 different
                             networks
                            -   overall
                            -   friends
                            -   similar
                            -   similar friends
                           • Evaluated how effective
                             they are to recommend
Tuesday, October 16, 12
Metrics

                          • A/B testing (70-30) per
                            user
                          • Precision: + finding out
                            something interesting
                            to do
                          • Recall: + reduce feeling
                            of missing out things

Tuesday, October 16, 12
Results


                          • Similarity and friendship
                            show promising results
                          • features for similarity
                            should be explored



Tuesday, October 16, 12
Screenshots

Tuesday, October 16, 12
Screenshots

Tuesday, October 16, 12
Screenshots

Tuesday, October 16, 12
Screenshots

Tuesday, October 16, 12
Screenshots

Tuesday, October 16, 12
What’s next

                          • Run a user-study with
                            initial subjects
                          • Run experiments in
                            other countries
                            (Paraguay, Russia)
                          • Pilot involving local
                            businesses

Tuesday, October 16, 12
thanks, any questions?
                          http://lifeparticipation.org

Tuesday, October 16, 12

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