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This paper presents an automated user authentication mechanism for WLAN hot-spots that is intended for mobile usage scenarios. Based upon cues from access points and hot-spot infrastructures, we… (More)
Personal presence systems are widely used to get aware of other users' availability and willingness to communicate before actually contacting them. After early systems focused on ad-hoc text… (More)
This project was conceived in response to Navy RFP N04-T004, a sonobuoy tube launched UAV designed to be launched from the H-60 helicopter and P-3 Orion. This conceptual design shows that it is… (More)
This document is subject to BCP 78 and the IETF Trust’s Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document.… (More)
The purpose of this study is to examine a wide range of economic and military factors from the Third-Century Crisis to the fall of the Western Empire. This investigation of the Roman Economy focuses… (More)