Presented at the Social Web Search and Mining Workshop, WWW2008 in Beijing

1. Time Based Context Cluster Analysis for Automatic Blog Generation Luca Costabello and Laurent-Walter Goix Telecom Italia, Italy

3. Context-Based Blog Generation 1) Raw data gathering Daily actions 2) Offline Cluster analysis 3) Blog post generation

4. System Architecture

5. Cluster Analysis: Detecting User Actions 2007-10-03 11:02:33 222-1-61101-72162201 office,tilab 2007-10-03 10:59:09 222-1-61101-72162201 office,tilab 2007-10-03 10:55:46 222-1-61101-72162201 office,tilab 2007-10-03 10:52:41 222-1-61101-64530928 n/a,n/a 2007-10-03 10:48:59 222-1-61101-72162201 office,tilab 2007-10-03 10:45:34 222-1-61101-72162201 office,tilab 2007-10-03 10:42:11 222-1-61101-64530928 n/a,n/a 2007-10-03 10:38:47 222-1-61101-72162201 office,tilab 2007-10-03 10:37:47 222-1-61101-72162201 office,tilab 2007-10-03 09:27:01 222-1-61101-72157899 office,tilab 2007-10-03 08:58:11 222-1-61104-72386176 n/a,n/a 2007-10-03 08:56:28 222-1-24650-121 n/a,n/a 2007-10-03 08:56:05 222-1-24650-122 n/a,n/a 2007-10-03 08:54:20 222-1-54650-923 n/a,n/a 2007-10-03 08:51:31 222-1-61104-72395762 n/a,n/a 2007-10-03 08:49:16 222-1-61104-72384437 n/a,n/a 2007-10-03 08:48:47 222-1-61104-72395762 n/a,n/a 2007-10-03 08:48:18 222-1-61104-72384437 n/a,n/a 2007-10-03 08:47:50 222-1-61104-72395762 n/a,n/a 2007-10-03 08:47:21 222-1-61104-72395762 n/a,n/a 2007-10-03 08:46:51 222-1-61104-72384437 n/a,n/a 2007-10-03 08:46:20 222-1-61104-72376116 n/a,n/a 2007-10-03 08:45:15 222-1-61104-72395763 n/a,n/a 2007-10-03 08:44:02 222-1-61104-72400263 n/a,n/a 2007-10-03 08:42:33 222-1-61104-72395770 n/a,n/a 2007-10-03 08:42:02 222-1-61104-72400262 n/a,n/a 2007-10-03 08:40:08 222-1-24650-1281 residence,home 2007-10-03 08:36:26 222-1-24650-1281 residence,home 2007-10-03 08:33:02 222-1-24650-1281 residence,home Cluster 1 (Static) Start 08:58 End 11:02 CGI 222-1-61101-162201 VP CGI Office, TILab VP Bth Not available Cluster 2 (Movement) Start 08:42 End 08:56 CGI From 222-1-24550-1281 CGI To 222-1-24650-121 VP CGI From Residence,home VP CGI To Office, TILab VP Bth Not available Timestamp Cell ID Cell ID Virtual Place

8. Compare&Merge Algorithm 2007-10-03 11:02:33 222-1-61101-72162201 office,tilab 2007-10-03 10:59:09 222-1-61101-72162201 office,tilab 2007-10-03 10:55:46 222-1-61101-72162201 office,tilab 2007-10-03 10:52:41 222-1-61101-64530928 n/a,n/a 2007-10-03 10:48:59 222-1-61101-72162201 office,tilab 2007-10-03 10:45:34 222-1-61101-72162201 office,tilab 2007-10-03 10:42:11 222-1-61101-64530928 n/a,n/a 2007-10-03 10:38:47 222-1-61101-72162201 office,tilab 2007-10-03 10:37:47 222-1-61101-72162201 office,tilab 2007-10-03 09:27:01 222-1-61101-72157899 office,tilab 2007-10-03 08:58:11 222-1-61104-72386176 n/a,n/a 2007-10-03 08:56:28 222-1-24650-121 n/a,n/a 2007-10-03 08:56:05 222-1-24650-122 n/a,n/a 2007-10-03 08:54:20 222-1-54650-923 n/a,n/a 2007-10-03 08:51:31 222-1-61104-72395762 n/a,n/a 2007-10-03 08:49:16 222-1-61104-72384437 n/a,n/a 2007-10-03 08:48:47 222-1-61104-72395762 n/a,n/a 2007-10-03 08:48:18 222-1-61104-72384437 n/a,n/a Context History Preliminary Context Scan Long Temporary Cluster Short Temporary Clusters Temporary Clusters Merge Static Cluster Movement Cluster Static Cluster

11. Cluster Analysis Accuracy VS User Perception

12. From Clusters To Blog Post NLG Natural Text Generation Action Detector Context Clusters User Preferences