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ABSTRACT

Fitness monitoring is a fundamental service in pervasive healthcare, but finding a balance between usability and privacy is a hard challenge. To lessen users' anxieties in privacy concerns, we propose a new way of identification by only utilizing imprecise biometrics and existing information. Our solution is "hassle free" because it maintains the devices' original user interface without adding additional sensors and sacrificing user privacy. We demonstrate this idea with a fitness monitoring system for the healthy individuals in a workplace. The system uses collected physiological information (weight, blood pressure and heart rate) and context information (computer network activity) to identify a user. Our experiments show that we can achieve a correct user identification of up to 87%. We believe that our solution can serve as an easy addition to the simple interfaces of current technology by enhancing them with smart algorithms.

REFERENCES

• 1: Alessandro Acquisti , Jens Grossklags, Privacy and Rationality in Individual Decision Making, IEEE Security and Privacy, v.3 n.1, p.26-33, January 2005 [doi>10.1109/MSP.2005.22]
• 2: "Fingerprint Scans Replace Clocking In", The Associated Press, March 26, 2008.
• 3: Eija Kaasinen, User needs for location-aware mobile services, Personal and Ubiquitous Computing, v.7 n.1, p.70-79, May 2003 [doi>10.1007/s00779-002-0214-7]
• 4: J. Ma and B. Knight, "A Reified Temporal Logic", The Computer Journal 1996 39(9):800--807.
• 5: B. T. Marczak, A. Paprocki, "Blood pressure variability on the basis of 24-hour ambulatory blood pressure monitoring in a group of healthy persons", Przegl Lek. 2001;58(7--8):762--6.
• 6: Vince Stanford, Pervasive Health Care Applications Face Tough Security Challenges, IEEE Pervasive Computing, v.1 n.2, p.8-12, April 2002 [doi>10.1109/MPRV.2002.1012332]

INDEX TERMS

Primary Classification:
  K. Computing Milieux
  K.4 COMPUTERS AND SOCIETY
      K.4.1 Public Policy Issues
          Subjects: Computer-related health issues

Additional Classification:
  K. Computing Milieux
  K.4 COMPUTERS AND SOCIETY
      K.4.1 Public Policy Issues
          Subjects: Privacy

General Terms:
Design, Experimentation, Human Factors

Keywords:
healthcare, imprecise biometrics, privacy