Task Switching and Single vs. Multiple Alarms for Supervisory Control of Multiple Robots

Foraging tasks, such as search and rescue or reconnaissance, in which UVs are either relatively sparse and unlikely to interfere with one another or employ automated path planning, form a broad class of applications in which multiple robots can be controlled sequen-tially in a round-robin fashion. Such human-robot systems can be described as a queuing sys-tem in which the human acts as a server while robots presenting requests for service are the jobs. The possibility of improving system performance through well-known scheduling tech-niques is an immediate consequence. Unfortunately, real human-multirobot systems are more complex often requiring operator monitoring and other ancillary tasks. Improving perfor-mance through scheduling (jobs) under these conditions requires minimizing the effort ex-pended monitoring and directing the operator’s attention to the robot offering the most gain. Two experiments investigating scheduling interventions are described. The first compared a system in which all anomalous robots were alarmed (Open-queue), one in which alarms were presented singly in the order in which they arrived (FIFO) and a Control condition without alarms. The second experiment employed failures of varying difficulty supporting an optimal shortest job first (SJF) policy. SJF, FIFO, and Open-queue conditions were compared. In both experiments performance in directed attention conditions was poorer than predicted. A possi-ble explanation based on effects of volition in task switching is propose

Ariel - Volume 5 Number 5

Editors Mark Dembert J. D. Kanofsky Entertainment Robert Breckenridge Joe Conti Gary Kaskey Photographer Scot Kastner Overseas Editor Mike Sinason Circulation Jay Amsterdam Humorist Jim McCann Staff Ken Jaffe Bob Sklaroff Janet Welsh Dave Jacoby Phil Nimoityn Frank Chervane

Volume 28, Number 3 - March 1950

Volume 28, Number 3 - March 1950. 100 pages including covers and advertisements. Editorial Criticism Eagle, George L., A Way of Understanding Hartung, Mike, Hurricane Within Hartung, Mike, Strange Ship D\u27Ambrosio, Raymond, The Idol of Beauty Hartung, Mike, Departure Vayo, Harold E., Jr., Variations on a Theme Wooley, Charles F., Stop This Murder Henry, Wales B., Rest Stop Brott, Clifford J., Wanderlust Flanigan, Paul, Distinction Flanigan, Paul, Hypermetricity Fletcher, Paul Francis, When Adam Saw The Sun Decline Hartung, Mike, Moon of Hope Fletcher, Paul Francis, The Moors of Nantucket Henry, Wales B., Frustratio

Volume 40, Number 2 - March 1961

Volume 40, Number 2 - March 1961. 40 pages including covers and advertisements. Letter from the Holy Fatherl Caley, David, Cover Design Grace, David, The End of the Day Bosse, Maurice H., Euripides as a Skeptic of Greek Polytheism Barrett, D., Sunday Thoughts Sullivan, Mike, Meaning of Spring Mullaney, Brian A., A Brief History of the Fate of Newtonian Certitude Maguire, T. F., Memo Maguire, T. F., The Stream Crawley, Thomas, Christus and the Hero Image Mullaney, Brian A., Jimmie Barrett, D., Spring Weekend Eck, Thomas, Repose Eck, Thomas, South Maguire, T. F., Waiting Schwartz, Martin, Heaven and Hell Leidig, Richard, Reflections on an Elegiac Theme Mullaney, Brian A., A Day Like All Days Larson, William, Reprobus Maccarone, Alfred, The Wish The Editor, Shots from the Pas

AIDS: Crisis in Professional Ethics

Mike Martin reviews Elliot D. Cohen and Michael Davis\u27 AIDS: Crisis in Professional Ethics

State control can result in good performance for firms

State firms are now hybrid organisations, say Ciprian Stan, David Ahlstrom, Mike W. Peng, Kehan Xu and Garry D. Bruto

Mind Playing Tricks on Me

This article was originally published in The Prophet -- a journal created by and for the students at the Boston University School of Theology (BUSTH) to amplify the voices of STH students by promoting and sharing a range of perspectives on matters of concern including, but not limited to, spiritual practices, faith communities and society, the nature of theology, and current affairs. It serves as a platform for STH students to share their academic work, theological reflections, and life experiences with one another and the wider community."Geto Boys, a rap group, consisting of Big Mike, Willie D, and Scarface, released a song entitled... " [EXCERPT

Design Features for the Social Web: The Architecture of Deme

We characterize the "social Web" and argue for several features that are desirable for users of socially oriented web applications. We describe the architecture of Deme, a web content management system (WCMS) and extensible framework, and show how it implements these desired features. We then compare Deme on our desiderata with other web technologies: traditional HTML, previous open source WCMSs (illustrated by Drupal), commercial Web 2.0 applications, and open-source, object-oriented web application frameworks. The analysis suggests that a WCMS can be well suited to building social websites if it makes more of the features of object-oriented programming, such as polymorphism, and class inheritance, available to non-programmers in an accessible vocabulary.Comment: Appeared in Luis Olsina, Oscar Pastor, Daniel Schwabe, Gustavo Rossi, and Marco Winckler (Editors), Proceedings of the 8th International Workshop on Web-Oriented Software Technologies (IWWOST 2009), CEUR Workshop Proceedings, Volume 493, August 2009, pp. 40-51; 12 pages, 2 figures, 1 tabl