administration (http://nordman.lbl. gov/docs/nano.pdf). It must have at least one load or sink of power—which could be electricity storage—and at least one gateway to the outside. Electricity sources aren’t part of the nanogrid, but a source often will be connected only to a single nanogrid. Figure 1 illustrates a simple nanogrid structure. All power flows are accompanied by communications— eit...

This experience paper describes newsblaster.com, a commercial document management system that facilitates exchange of news worthy documents between two user communities: a) editor of newspapers and magazines who seek to publish articles, and b) member companies who want to disseminate information such as new product o erings, product recalls, alliances with other companies, etc. We focus on the...

Our University organizes evening lectures leading to a degree in computer science. Lectures take place two evenings per week and every Saturday morning. The students enrolled in this program are professional, with heavy family and business duties. They can not attend all lectures. Their need for self-paced and just-in-time learning is therefore just huge. To help these students, a project for b...

The development of a software system which can detect and identify the ight calls of migrating birds is reported. The system rst produces a spectrogram using a Discrete Fourier transform. Calls are detected in the spectrogram using an ad-hoc combination of local peak-nding and a connectedness measure. Attributes are extracted both globally from the call and from a window moved incrementally thr...

Copyright (©) 1999–2012 R Foundation for Statistical Computing. Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is...

Copyright (©) 1999–2010 R Foundation for Statistical Computing. Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is...

Copyright (©) 1999–2012 R Foundation for Statistical Computing. Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is...