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Content Based Access Control : Relation Extraction in Blogs and Beyond

According to Technorati, they are currently tracking over a 100 million blogs and close to 250 million pieces of tagged social media. This statistic is enough to prove that the internet connected world is increasingly taking to blogging in order to express their thoughts and share views on a wide array of topics. This freedom of thought and expression, considered to be a fundamental human right is not always viewed in a positive light. For example, a blog written by you is accessible to millions of other internet users. These users may include possible stalkers, sexual predators and even your employers. The views you express freely on your blog can be used against you in several ways. Sexual predators are known to search blogs for finding their potential victims. In such a scenario there is a need for the system to restrict access to your thoughts and information. But herein lies the contradiction, you want to share your views freely with people across the globe without wanting to compromise on privacy and possible malicious use. In most cases, it is difficult or rather cumbersome for the blogger to share this load of maintaining access control for his/her posts. What if the system could perform access control for you without compromising on your freedom of expression and privacy? That is precisely our motivating factor behind the implementation of our system i.e. Content Based Access Control. We uncover relations between entities from the blog posts, thereby allowing us to know what is being discussed where. We can then use this information in automating access control lists as well as in identifying relevant content more easily.