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Database and Data Mining Group Politecnico di Torino Dipartimento di Automatica e Informatica B D MG Data Base and Data Mining Group of Politecnico di Torino Elena Baralis http://dbdmg.polito.it/twiki/bin/view/Public/ElenaBaralis Research topics Database systems data quality data warehouse design XML data indexing data mining integration into database systems Data mining association rules classification and prediction text/web mining context-aware data analysis DB MG 2 Research topics Data stream analysis sensor network querying mining sensor network data (clinical data, sport performance data) network traffic analysis Bioinformatics feature/gene selection microarray clustering biological validation DB MG 3 Context-aware user and service profiling Context-aware applications offer personalized services depending on the current application context of the user Service providers are usually interested in profiling users and services to increase client satisfaction broaden the set of offered services Data Mining activity Data Collection and Pre-processing Activity Location Generalized rules Context and Service Data Generalized Association Rule Mining Time Presence Taxonomies DB MG In-Depth Analysis Service Rules Rule Classifier User Rules 4 Sensor network models ROOM POSITION MOTE MEASURE SENSOR SENSORTYPE DATA DB MG 5 Sensor network models Sensor Application Query Sensor Network Historical Sensor Readings sn1 sn2 sn3 Query and Plan sn5 sn4 DB MG Results Results Selecting Representative Sensors Clustering Sensor Data SeReNe Plan Generation and Optimization SN Models 6