A variety of fan-based wikis about episodic fiction (e.g., television shows, novels, movies) exist on the World Wide Web. These wikis provide a wealth of information about complex stories, but if readers are behind in their viewing they run the risk of encountering “spoilers” – information that gives away key plot points before the intended time of the show’s writers. Enterprising readers might...

One of the powerful and popular tools that are used to support Collaborative Knowledge Engineering are Semantic Wikis. They are easily accessible and provide ACL mechanisms, but they lack a good versioning mechanism. In this paper an extended version of such a mechanism is proposed. Besides elements that appear in every Wiki system, like simple changelog and place for discussion, it incorporate...