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The Spread toolkit is a group communication system available from www.spread.org. Spread provides a range of reliability, ordering and stability guarantees for message delivery. Spread supports a rich fault model that includes process crashes and recoveries and network partitions and merges under the extended virtual synchrony semantics. The standard(More)
One of the tasks of a forensic anthropologist is to sort human bone fragments from other materials, which can be difficult when dealing with highly fragmented and taphonomically modified material. The purpose of this research is to develop a method using handheld X-ray fluorescence (HHXRF) spectrometry to distinguish human and nonhuman bone/teeth from(More)
Forensic anthropologists are generally able to identify skeletal materials (bone and tooth) using gross anatomical features; however, highly fragmented or taphonomically altered materials may be problematic to identify. Several chemical analysis techniques have been shown to be reliable laboratory methods that can be used to determine if questionable(More)
BACKGROUND AND PURPOSE Direct thrombin inhibitors, including argatroban, represent an anticoagulant class distinct from heparins. We investigated the safety of 2 levels of argatroban anticoagulation in acute ischemic stroke. METHODS This multicenter, randomized, double-blinded, placebo-controlled study included 171 patients with acute (< or =12 hours from(More)
Ground-penetrating radar (GPR) was used to monitor 12 pig burials in Florida, each of which contained a small pig cadaver. Six of the cadavers were buried in sand at a depth of 0.50-0.60 m, and the other six were buried in sand at a depth of 1.00-1.10 m to represent deep and shallow burials that are generally encountered in forensic scenarios. Four control(More)
Due to the high priority of cyber-security education, the United States Naval Academy rapidly developed and implemented a new cyber-security course that is required for all of its first-year students. During the fall semester in 2011, half of the incoming class (about 600 students) took the course through a total of 31 sections offered by 16 instructors(More)
Awareness information, information about others' presence and activities that allows us to determine their availability for conversation, plays an important role in workplace communication, as people often gather and act on it in the process of negotiating mutual availability. This paper presents a laboratory experiment examining how gathering awareness(More)
Forensic personnel must deal with numerous challenges when searching for submerged objects. While traditional water search methods have generally involved using dive teams, remotely operated vehicles (ROVs), and water scent dogs for cases involving submerged objects and bodies, law enforcement is increasingly integrating multiple methods that include(More)
Pulse oximetry is a widely used, noninvasive instrument for monitoring oxygen saturation. Its use, however, is limited in the setting of dyshemoglobinemias. We report a case of hemoglobin Rothschild in an Asian patient diagnosed as a result of routine pulse oximetry. This case reiterates the limitations of pulse oximetry in patients with dyshemoglobinemias,(More)
Cyber security is an area where much curriculum development is taking place, and it is important that such efforts be shared. In this work we describe three lab exercises developed at the United States Naval Academy for use in our fundamentals of cyber-security course, a course required of all freshmen. The hands-on lab activities reinforce ideas presented(More)