Capturing races or semeai are an important element of Go strategy and tactics. We extend previous work on semeai [1] by introducing a more general framework for analyzing semeai, based on the new concepts of conditional combinatorial games and liberty count games. We show how this framework encompasses earlier concepts such as plain liberty regions and plain eye regions. Furthermore, we discuss...

Internet usage has been growing significantly, and the issue of online privacy has become a correspondingly greater concern. Several recent surveys show that users’ concern about the privacy of their personal information reduces their use of electronic businesses and Internet services; furthermore, many users choose to provide false data in order to protect their real identities. Identity feder...

The U.S. Liberty Ship Building Program in World War II set a record—a total of 2700 Liberty Ships were built in 6 years, in order to support the battle against Nazi-Germany. However, numerous vessels suffered sudden fracture, some of them being split in half. This paper demonstrates and investigation of the Liberty Ships failure and problems, which reveals that the failures are caused by a comb...

 Arguments for and against the legal prohibition of drugs are surveyed. Various kinds of argument are identified and analysed: arguments against prohibition from a moral right to personal liberty; utilitarian and contractualist arguments for a right to personal liberty; arguments for prohibition from liberty-limiting principles (the harm principle, legal paternalism, legal moralism, Kan...

Guinean hosts viewed Liberian refugees with the same ambivalence and fascination that many held for their own children, who were embracing the consumerist ethos of Guinea’s postsocialist 1990s. Loma-speaking farmers’ categories for evaluating historical change and refugee comportment grew out of metaphors of embodied agency and morality. These categories challenge some aspects of both Guinean e...

Support for Single Sign-On (SSO) is a frequently voiced requirement for Service-Oriented Computing. We discuss SSO strategies and approaches, their requirements and constraints. The two most prominent approaches in this field are presented, i.e. Microsoft Passport and Liberty Alliance. Because implementations of Liberty were not widely available and in order to understand the conceptual implica...