Clustering is a popular approach to exploratory data analysis and mining. How- ever, clustering faces difficult challenges due to its ill-posed nature. First, it is well known that off-the-shelf clustering methods may ...

Opportunistic spectrum access is a proposed solution to the problem of increasing scarcity of radio resources. In certain bands, spectrum is utilized extremely inefficiently by the licensed, or primary, users. Opportunistic ...

Sign language is the primary form of communication among Deaf and Hard of Hearing(DHH) individuals. Due to the absence of speaking capability, voice-controlled assistants such as Apple Siri or Amazon Alexa are not readily ...

Web applications have emerged as the primary means of access to vital and sensitive services such as online payment systems and databases storing personally identifiable information. Unfortunately, the need for ubiquitous ...