Joseph Whitenton, Tenor

Winter Words Op. 52 / Benjamin Britten; Mandoline; Lydia; Prison; Toujours / Gabriel Faure; Il mio tesoro, from Don Giovanni / W.A. Mozart; from Die schöne Müllerin / Franz Schubert; Bring Him Home, from Les Miserables / Claude-Michel Schönber

Misty Birtcher, Soprano and Joseph Whitenton, Tenor

Thou shalt break them, from Messiah; Care Selve, from Atalanta / G.F. Händel; Nacht und Träume; Du bist die Ruh; Der Schiffer / Franz Schubert; Intermezzo / Robert Schumann; Aus liebe, from Matthäus-Passion / J.S. Bach; Mandoline / Claude Debussy; Ouvre ton Coeur / Georges Bizet; Musique / Claude Debussy; Pastorale / Georges Bizet; From A Young Man\u27s Exhortation / Gerald Finzi; I Will Not Go, from Troilus and Cressida / Vince Gover; Dammit, Janet!, from The Rocky Horror Picture Show / Richard O\u27Brie

Modus Operandi of Crowd Workers : The Invisible Role of Microtask Work Environments

The ubiquity of the Internet and the widespread proliferation of electronic devices has resulted in flourishing microtask crowdsourcing marketplaces, such as Amazon MTurk. An aspect that has remained largely invisible in microtask crowdsourcing is that of work environments; defined as the hardware and software affordances at the disposal of crowd workers which are used to complete microtasks on crowdsourcing platforms. In this paper, we reveal the significant role of work environments in the shaping of crowd work. First, through a pilot study surveying the good and bad experiences workers had with UI elements in crowd work, we revealed the typical issues workers face. Based on these findings, we then deployed over 100 distinct microtasks on CrowdFlower, addressing workers in India and USA in two identical batches. These tasks emulate the good and bad UI element designs that characterize crowdsourcing microtasks. We recorded hardware specifics such as CPU speed and device type, apart from software specifics including the browsers used to complete tasks, operating systems on the device, and other properties that define the work environments of crowd workers. Our findings indicate that crowd workers are embedded in a variety of work environments which influence the quality of work produced. To confirm and validate our data-driven findings we then carried out semi-structured interviews with a sample of Indian and American crowd workers from this platform. Depending on the design of UI elements in microtasks, we found that some work environments are more suitable than others to support crowd workers. Based on our overall findings resulting from all the three studies, we introduce ModOp, a tool that helps to design crowdsourcing microtasks that are suitable for diverse crowd work environments. We empirically show that the use of ModOp results in reducing the cognitive load of workers, thereby improving their user experience without effecting the accuracy or task completion time

Quark-hadron duality in electron scattering

The duality between partonic and hadronic descriptions of physical phenomena is one of the most remarkable features of strong interaction physics. A classic example of this is in electron-nucleon scattering, in which low-energy cross sections, when averaged over appropriate energy intervals, are found to exhibit the scaling behavior expected from perturbative QCD. We present a comprehensive review of data on structure functions in the resonance region, from which the global and local aspects of duality are quantified, including its flavor, spin and nuclear medium dependence. To interpret the experimental findings, we discuss various theoretical approaches which have been developed to understand the microscopic origins of quark-hadron duality in QCD. Examples from other reactions are used to place duality in a broader context, and future experimental and theoretical challenges are identified.Comment: 198 pages, 80 figures, to appear in Physics Report

Joseph Whitenton, Tenor

Winter Words Op. 52 / Benjamin Britten; Mandoline; Lydia; Prison; Toujours / Gabriel Faure; Il mio tesoro, from Don Giovanni / W.A. Mozart; from Die schöne Müllerin / Franz Schubert; Bring Him Home, from Les Miserables / Claude-Michel Schönber

Society for Experimental Mechanics Annual Conference 2005 The NIST Kolsky Bar Data Processing System

ABSTRACT A new dynamic testing apparatus has been built at the National Institute of Standards and Technology (NIST) to measure dynamic material properties for machining simulation and other applications. This apparatus-the NIST Pulse Heated Kolsky Bar-is based on the traditional Split Hopkinson Pressure Bar, or Kolsky Bar, design with an added unique feature of rapid electrical resistance heating of the sample. To quickly reduce and archive the strain gage records, as well as document all other aspects of the tests, software for data management and processing has been implemented. Called the Kolsky Bar Data PADS (Processing And Distribution System), the software interactively re-computes stress-strain and other curves as the user examines various assumptions. The Data PADS also includes a database containing strain gage data, visible high speed videos, thermal camera videos, high speed pyrometer data, sensor data measuring the velocity of the projectile, as well as technical papers and associated information. Multiple users may use and add data to the system, allowing for sharing of data maintenance tasks. This paper shows important features of the program, data analysis procedures unique to the software, and examples of its use