BOINC, a middleware system for volunteer computing, involves projects, which distribute jobs, and hosts, which execute jobs. The local (host-level) scheduler addresses two issues: when to fetch new jobs from a project and, of the currently runnable jobs, which to execute. It seeks to simultaneously satisfy a number of constraints - such as maintaining given… (More)
BOINC, a middleware system for volunteer computing, allows hosts to be attached to multiple projects. Each host periodically requests jobs from project servers and executes the jobs. This process involves three interrelated policies: 1) of the runnable jobs on a host, which to execute? 2) when and from what project should a host request more work? 3) what… (More)
Serum samples and sociodemographic data were obtained from 1,209 Ohio residents. West Nile virus immunoglobulin M (IgM) and IgG antibodies were detected by enzyme-linked immunosorbent assay and confirmed. Children were 4.5 times more likely to become infected yet 110 times less likely to have neuroinvasive disease develop.
Human West Nile virus (WNV) infection was first detected in Cuyahoga county, Ohio, USA, in 2002. During that year's extensive epidemic/epizootic among non-immune human and bird populations, the county experienced 155 cases of severe human West Nile neurological disease (WNND, incidence = 11.1 cases/100,000), with 11 fatalities. Structured serosurveys… (More)
" The smaller a man, the closer his horizons. " John McLeod Abstract：Modeling and simulation (M&S) is multifaceted. It is used as an enabling technology for a multitude of application areas in many disciplines. There has been tremendous developments both in M&S as well as in other disciplines due to the contributions of M&S. In the article, perceptions of… (More)
The increasing use of simulation studies as adjuncts to decision-making imposes an increasing responsibility on the part of modelers and analysts to determine and disclose to the decision-maker the extent to which information derived from the studies is valid and applicable to the decision of interest. This raises ethical problems concerning the selection… (More)
The concept of pluralism is increasingly used to indicate the rich diversity of theory and practice in the field of counselling and psychotherapy. A version of pluralism is described that takes account of the range of ideas about health and healing that exist within contemporary culture, and the expression of these positions in the personal knowledge and… (More)