The Pharos/Autumn 2012 The author (AΩA, University of Pittsburgh, 1969) is Emeritus Professor, Department of Preventive Medicine, and Senior Fellow, Center for Medical Humanities, Compassionate Care, and Bioethics, at the Health Sciences Center School of Medicine of Stony Brook University. He is a member of the editorial board of The Pharos and one of its book review editors. Among his honors a...

QoS-aware replica placement decides how many replicas are needed and where to deploy them to meet every request from individual clients. In this paper, a novel three-phase algorithm, namely CPI, is proposed. By dividing candidate nodes into proper medium-scale partitions, CPI is capable to handle with large-scale QoS-aware replica placement problem. Pharos-based clustering algorithm obtains ide...

The Pharos/Summer 2011 Philip A. Mackowiak (AΩA, University of Maryland, 1970) is professor of Medicine and vice chairman at the University of Maryland School of Medicine and director of the Medical Care Clinical Center for the VA Maryland Health Care System in Baltimore. Paul G. Auwaerter is associate professor of Medicine and clinical director in the Division of Infectious diseases at the Joh...

In this paper we illustrate the model-driven development approach applied to the user interface of an audiovisual search application, within the European project PHAROS. We show how conceptual modelling can capture the most complex features of an audio-visual Web search portal, which allows users to pose advanced queries over multimedia materials, access results of queries using multimodal and ...

In traditional robot behavior programming, the edit-compile-simulate-deploy-run cycle creates a large mental disconnect between program creation and eventual robot behavior. This significantly slows down behavior development because there is no immediate mental connection between the program and the resulting behavior. With live programming the development cycle is made extremely tight, realizi...