Role-Based Access Control Models
Computer
Privacy-preserving data mining
SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data
Using randomized response techniques for privacy-preserving data mining
Proceedings of the ninth ACM SIGKDD international conference on Knowledge discovery and data mining
Incognito: efficient full-domain K-anonymity
Proceedings of the 2005 ACM SIGMOD international conference on Management of data
Obfuscated databases and group privacy
Proceedings of the 12th ACM conference on Computer and communications security
Privacy Preserving Data Classification with Rotation Perturbation
ICDM '05 Proceedings of the Fifth IEEE International Conference on Data Mining
Efficient anonymity-preserving data collection
Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining
Comparisons of K-Anonymization and Randomization Schemes under Linking Attacks
ICDM '06 Proceedings of the Sixth International Conference on Data Mining
A CORBA-based integration of distributed electronic healthcare records using the Synapses approach
IEEE Transactions on Information Technology in Biomedicine
A contextual role-based access control authorization model for electronic patient record
IEEE Transactions on Information Technology in Biomedicine
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Personally controlled health records (PCHR) systems have emerged to allow patients to control their own medical data. In a PCHR system, all the access privileges to a patient's data are granted by the patient. However, in many emergency cases, it is impossible for the patient to participate in access authorization on site when immediate medical treatment is needed. To solve the emergency access authorization problem in the absence of patients, we consider two cases: a) the requester is already in the PCHR system but has not obtained the access privilege of the patient's health records, and b) the requester does not even have an account in the PCHR system to submit its request. For each of the two cases, we present a method for emergency access authorization, utilizing the weighted voting and source authentication cryptographic techniques. Our methods provide an effective, secure and private solution for emergency access authorization, that makes the existing PCHR system frameworks more practical and thus improves the patients' experiences of health care when using PCHR systems. We have implemented a prototype system as a proof of concept.