In this paper, we propose a new form of image-based CAPTCHA we term "scene tagging". It tests the ability to recognize a relationship between multiple objects in an imag...
Android is the first mass-produced consumer-market open source mobile platform that allows developers to easily create applications and users to readily install them. However, giv...
This paper uses the persistent object system PCLOS to survey some problems and bene ts of object persistence. The system is analyzed along several relevant dimensions. PCLOS provi...
Most discussions of computer security focus on control of disclosure. In Particular, the U.S. Department of Defense has developed a set of criteria for computer mechanisms to prov...
SELF is an object-oriented language for exploratory programming based on a small number of simple and concrete ideas: prototypes, slots, and behavior. Prototypes combine inheritanc...
This paper shows how an attempt at a uniform and reflective definition resulted in an open-ended system supporting ObjVlisp, which we use to simulate object-oriented language exte...