Paper: A Step Towards Usable Privacy Policy: Automatic Alignment of Privacy Statements

ACL ID C14-1084
Title A Step Towards Usable Privacy Policy: Automatic Alignment of Privacy Statements
Venue International Conference on Computational Linguistics
Session Main Conference
Year 2014
Authors

With the rapid development of web-based services, concerns about user privacy have height- ened. The privacy policies of online websites, which serve as a legal agreement between service providers and users, are not easy for people to understand and therefore offer an opportunity for natural language processing. In this paper, we consider a corpus of these policies, and tackle the problem of aligning or grouping segments of policies based on the privacy issues they address. A dataset of pairwise judgments from humans is used to evaluate two methods, one based on clustering and another based on a hidden Markov model. Our analysis suggests a five-point gap between system and median-human levels of agreement with a consensus annotation, of which half can be closed with bag of words representa...