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● Particularly in 1990s, some developers reacted against traditional " heavyweight " software development processes. ● New methods were being developed and tested, – e.g. extreme programming, SCRUM, Feature-driven development – Generally termed " light " processes ● " Representatives " from several of these methods got together in Utah in 2001 – Settled on(More)
—Staircase codes, a new class of forward-error-correction (FEC) codes suitable for high-speed optical communications , are introduced. An ITU-T G.709-compatible staircase code with rate R = 239/255 is proposed, and FPGA-based simulation results are presented, exhibiting a net coding gain (NCG) of 9.41 dB at an output error rate of 10 −15 , an improvement of(More)
We describe an application of AI search and information visu-alization techniques to the problem of school redistricting, in which students are assigned to home schools within a county or school district. This is a multicriteria optimization problem in which competing objectives must be considered, such as school capacity, busing costs, and socioeconomic(More)
Prosodic features in continuous speech provide cues which may be used to disambiguate syntactic ambiguities and to increase the accuracy of speech recognition/understanding systems. This paper presents a novel method using a multivariate statistical framework for producing a model of the relationship between prosodic and syntactic structures in continuous(More)
Exposure to atmospheric fine particulate matter (PM), even at low ambient concentrations, has clearly been linked to increases in mortality and morbidity. A 10- micro g m(-3) increase in PM10 (PM < 10 micro m) has been found to produce a 0.5% increase in daily mortality. The mechanism of action is a source of debate, although recent attention has focused on(More)