We consider the Gaussian multiple-input multiple-output (MIMO) broadcast channel with common and private messages. We obtain the degrees of freedom (DoF) region of this channel. W...
Abstract. The problem of perfectly secure message transmission concerns two synchronized non-faulty processors sender (S) and receiver (R) that are connected by a synchronous netwo...
This study analyzed rhythm and timing in 18 instant messenger (IM) conversations between one advisor and four graduate students (4 dyads), hypothesizing that individuals would sho...
Microblogging concurrently with live media events is becoming commonplace. The resulting comment stream represents a parallel, social conversational reflection on the event. Altho...
David A. Shamma, Lyndon Kennedy, Elizabeth F. Chur...
Instant Messaging (IM) is a useful tool for collaborative work. However, the awareness and communication features of IM pose a tension with privacy desires. Inadequate support for...