The ever increasing popularity of Online Social Networks has left a wealth of personal data on the web, accessible for broad and automatic retrieval. Protection from undesired recipients and harvesting by crawlers is implemented by access control, manually configured by the user in his privacy settings. Privacy unfriendly default settings and the user unfriendly privacy setting interfaces cause...

Privacy-preserving data mining (PPDM) is a recent emergent research area that deals with the incorporation of privacy preserving concerns to data mining techniques. We consider a real clinical setting where the data is horizontally distributed among different institutions. Each one of the medical institutions involved in this work provides a database containing a subset of patients. There is re...

background and objectives: respecting privacy means respecting individuals, their dignity and independence. it is mandatory to observe privacy in health-care systems. therefore, this study was carried out with the aim of expressing nursing students’ experience of privacy in pediatrics ward. methods: this qualitative study was done inductively using content analysis method. the participants incl...

The global economy of today, boosted by propagation of e-commerce, has elevated the privacy and security issues to a worldwide platform. E-commerce growth is strongest in the US and the European Union. Recently India and China have also become significant players in the global commercial setting. This research is exploratory in nature and attempts to examine privacy protection practices in the ...

We study goodness-of-fit and independence testing of discrete distributions in a setting where samples are distributed across multiple users. The users wish to preserve the privacy their data while enabling central server perform tests. Under notion local differential privacy, we propose simple, sample-optimal, communication-efficient protocols for these two questions noninteractive setting, ad...

The extension of privacy laws to cover private sector providers and the proposal of a National Health Privacy Code highlight the importance of examining privacy issues in aged care policy and practice. Although privacy in health and aged care may also include physical, psychological and social dimensions, it is informational privacy that is the focus of these recent changes. In this paper a ran...

Bucketization is an anonymization technique for publishing sensitive data. The idea is to group records into small buckets to obscure the record-level association between sensitive information and identifying information. Compared to the traditional generalization technique, bucketization does not require a taxonomy of attribute values, so is applicable to more data sets. A drawback of previous...

We studied the effect of two social settings (collaborative versus competitive) on the visual and auditory expressions of uncertainty by children in two age groups (8 and 11). We conducted an experiment in which children played a quiz game in pairs. They either had to collaborate or compete with each other. We found that the Feeling-of-Knowing of eight-year-old children did not seem to be affec...