Algorithms for performing predictive movements of the disk arm in anticipation of future requests, aimed at reducing the disk access time, are described in this paper. The prediction is based on the past history of the requested disk tracks . A continuum of optimization algorithms have been derived, featuring di erent prediction performance and, hence, di erent complexities. Trace driven simula...

Child sex and family socioeconomic status (SES) have been repeatedly identified as a source of inter-individual variation in language development; yet their interactions have rarely been explored. While sex differences are the focus of a renewed interest concerning emerging language skills, data remain scarce and are not consistent across preschool years. The questions of whether family SES imp...

BACKGROUND To date, the age-related decline and gender differences in performance have been investigated for both Olympic and Ironman distance triathlons, but not for the intermediate distance (ie, the half-Ironman distance triathlon covering 1.9 km swimming, 90 km cycling and 21.1 km running, Ironman 70.3®). We determined the age-related differences in performance and the gender differences fo...

This chapter explores five ethical dilemmas associated with using Social Networking Sites (SNS) in classrooms. First, do we have the right to colonize or marginalize students’ out of school social networking practices in the classroom? Second, should we access students’ out of classroom virtual identities from their SNS in a classroom context? Third, should we be engaging students’ social netwo...

With the development of social economy, the public cultural service is the main service platform for the whole society, which not considers profit as the purpose. However, as the characteristics of the China’s government function and the financial investment, the government tends to pursue the maximization of the scale, then how to scientifically evaluate the performance of public cultural serv...

We present an original approach for automatic speaker identification especially applicable to environments which cause partial corruption of the frequency spectrum of the signal. The general principle is to split the whole frequency domain into several subbands on which statistical recognizers are independently applied and then recombined to yield a global score and a global recognition decisio...

Four 50 meter male/female finals - the freestyle, butterfly, breaststroke, and backstroke - swum during individual events at the Swimming World Championships (SWCs) can be defined in four clusters. The aim of the present study was to use a single-unit design structure, in which the swimmer was defined at only one scale, to evaluate gender differences in start reaction times among elite swimmers...

The performance of access methods and the underlying disk system is a significant factor in determining the performance of database applications, especially with large sets of data. While modern hard disks are manufactured with multiple physical zones, where seek times and data transfer rates vary significantly across the zones, there has been little consideration of this important disk charact...

Personal samplers or in general blunt body samplers are widely used in occupational hygiene for collecting air contaminants in the work environments. This work is part of an ongoing research into the performance evaluation of personal samplers, particularly in terms of their aerodynamic properties. Velocity profiles have been measured around and within typical cylindrical sampling devices, ...