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* This work was partially supported by the MIUR Research Project 488/92 C22 entitled "E-service to the Citizens" AbstractWestwood+ TCP is a sender-side only modification of the classic TCP that is based on end-to-end estimation of the bandwidth available to the connection in order to adaptively shrink the TCP congestion window and slow start threshold after congestion. In this paper we report m...

In December 1998, a 488 node IBM RS/6000 SP sorted a terabyte of data (10 billion 100 byte records) in 17 minutes, 37 seconds. This is more than 2.5 times faster than the previous record for a problem of this magnitude. The SPsort program itself was custom-designed for this benchmark, but the cluster, its interconnection hardware, disk subsystem, operating system, file system, communication lib...

A retrospective study was done to compare the success rates of teeth with three different root end filling materials. The materials studied were SuperEBA, IRM, and zinc-free high-copper spherical amalgam. Radiographs of 488 cases from two geographically distinct offices were used, with the recall period ranging from a minimum of 6 months to a maximum of 10 yr. The cases in each office were exam...

Screening of 488 Syrian unaccompanied minor refugees (< 18 years-old) in Berlin showed low prevalence of intestinal parasites (Giardia, 7%), positive schistosomiasis serology (1.4%) and absence of hepatitis B. Among 44 ill adult Syrian refugees examined at GeoSentinel clinics worldwide, cutaneous leishmaniasis affected one in three patients; other noteworthy infections were active tuberculosis ...

Dengue virus (DENV) and West Nile virus (WNV) are important reemerging arboviruses that are under-recognized in many parts of Africa due to lack of surveillance. As a part of a study on flavivirus, alphavirus, and parasite exposure in coastal Kenya, we measured neutralizing antibody against DENV and, to evaluate assay specificity, WNV in serum samples that tested positive for serum anti-DENV Ig...