Semantic enrichment of mobile phone data records

  • Authors:
  • Zolzaya Dashdorj;Luciano Serafini;Fabrizio Antonelli;Roberto Larcher

  • Affiliations:
  • University of Trento;Fondazione Bruno Kessler - DKM;Telecom Italia - SKIL;Telecom Italia - SKIL

  • Venue:
  • Proceedings of the 12th International Conference on Mobile and Ubiquitous Multimedia
  • Year:
  • 2013

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Abstract

The pervasiveness of mobile phones creates an unprecedented opportunity for analyzing human dynamics with the help of the data they generate. This enables a novel human-driven approach for service creation in a variety of domains (e.g., healthcare, transportation, etc.) Telecom operators own and manage billions of mobile network events (Call Detailed Records - CDRs) per day: interpreting such a big stream of data needs a deep understanding of the events' context through the available background knowledge. We introduce an ontological and stochastic model (HRBModel) to interpret mobile human behavior using merged mobile network data and the geo-referenced background knowledge (e.g., OpenStreetMap, etc.) The model characterizes locations with human activities that can happen (with a given likelihood) there. This allows us to predicatively compile sets of tasks that people are likely to engage in under certain contextual conditions or to characterize exceptional events detected from anomalies in the CDR. An experimental evaluation of the approach is presented.