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Editor’s Note


Pages: pp. 705-707

IEEE Transactions on Parallel and Distributed Systems ( TPDS) is currently converting most regular papers into shortened versions plus a supplementary file. The shortened version has a limit of eight double column pages, including the main text, the abstract, index terms, illustrations, and references (plus, possibly, an additional page which may only contain the authors’ photographs and biographies), and is a primary file that will be typeset by the IEEE Computer Society (CS) and will be scheduled into an issue. The supplementary file, which will be added to the Digital Library as is, with free access, has a limit of 50Mb and can include: proofs, code, experimental data, short movies, appendices, animations, and audio files. The combination of the shortened paper and the supplemental file is considered one single paper and, hence, we view it as a major contribution. Original submissions in this format are encouraged but not mandated; conversion is normally requested together with major/minor revision decisions.

Supplementary files are not part of the TPDS page budget. TPDS received approximately 50 percent more submissions in 2010 compared to 2008. However, the page budget increased by only about 15 percent. During 2010, TPDS accepted about half of the papers in this converted format; the backlog was then reduced by about a month instead of being increased by about two months. We are publishing more material in this format because we have determined that it allows us to get a greater amount of material in front of our readers without sacrificing rigor. The conversion provides space for more papers to be accepted. TPDS appears to be the only IEEE transaction that is applying this described conversion.

This conversion is also a great opportunity to improve presentation aspects (see my editorial from the February 2010 issue) and increase readability of papers. The utility of the main file should generally increase. The shortened version should be self-contained. Most readers should be able to grasp the essence of the contribution without resorting to the supplementary file, or to other references, and with minimal effort and time invested. In turn, the supplementary files should be intended for a very few specialized readers and followers. Readers especially interested in details, such as proofs, detailed simulations, etc., will simply proceed to the supplementary file that is an integral part of the same article. The shortened paper should present fundamental results and suggest the basic processes that produced them. It should not provide a detailed analysis, but should point to sections of the supplementary file. The short version should explain the content of the supplementary file.

The supplementary file related to your paper should not duplicate any content from the main file and, therefore, should not serve as a full self-contained version of your paper. Rather, it may provide some proofs, pseudo-codes, experimental data, additional examples, additional literature review, lengthy details of some of the paper’s main ideas, and appendices. Additional supplementary files may contain source codes, executable files, input data, short movies, animations, and audio files. Authors are also encouraged to provide their source codes and experimental inputs as supplementary files so that their simulation and experimental data can be replicated and used in future research for comparison with newly developed solutions for the same problems.

I take this opportunity to welcome and introduce new distinguished researchers to the Editorial Board of TPDS. Ishfaq Ahmad, Dick H.J. Epema, and Keqiu Li were appointed as new Associate Editors in November 2010. Emilio Leonardi and Rabi N. Mahapatra joined the board in February 2011.Their short biographies and areas of research are given below. I am confident they will contribute to further enhancing the quality and timelines of TPDS. Per Stenström completed his very successful two-year term as a TPDS Associate Editor in January 2011 and did not accept renewal so that he can devote more time to his new Associate Editor-in-Chief role for the Journal of Parallel and Distributed Computing. His help in processing papers was greatly appreciated.

Ivan Stojmenovic


About the Authors

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Ishfaq Ahmad received the BSc degree in electrical engineering from the University of Engineering and Technology, Pakistan, in 1985, and the MS degree in computer engineering and the PhD degree in computer science from Syracuse University, New York, in 1987 and 1992, respectively. He is currently a professor of computer science and engineering at the University of Texas at Arlington (UTA). Prior to joining UTA, he was on the faculty of the Computer Science Department at the Hong Kong University of Science and Technology (HKUST). Professor Ahmad is known for his research contributions in broader areas of parallel and distributed computing, optimization algorithms, multimedia systems, video compression, and, more recently, in energy-aware green computing. His work in these areas has been published in more than 200 technical papers in peer-reviewed journals and conferences. Dr. Ahmad is a recipient of numerous research awards, which include three best paper awards at leading conferences and the 2007 best paper award for the IEEE Transactions on Circuits and Systems for Video Technology, the IEEE Service Appreciation Award, and the 2008 Outstanding Area Editor Award from the IEEE Transactions on Circuits and Systems for Video Technology. His current research is funded by the US Department of Justice, the US National Science Foundation (NSF), SRC, the US Department of Education, and several companies. He is an editor of the Journal of Parallel and Distributed Computing, the IEEE Transactions on Circuits and Systems for Video Technology, the Hindawi Journal of Electrical and Computer Engineering, and the IEEE Transactions on Parallel and Distributed Systems. In the past, he served on the editorial board of the IEEE Transactions on Multimedia, and guest edited a number of issues of several journals. He is a cofounder of the International Green Computing Conference (IGCC) and the founder and Editor-in-Chief of the new journal Sustainable Computing: Informatics and Systems (Elsevier). He is a fellow of the IEEE and a member of the advisory board of the Lifeboat Foundation.
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Dick H.J. Epema received the MSc and PhD degrees in mathematics from Leiden University, and the MSc degree in computer science from the Delft University of Technology, both in The Netherlands. He is an associate professor, conducting research in grids, clouds, and peer-to-peer systems, with an emphasis on the design and the performance analysis of such systems. His main contribution to the area of grid computing is the design, the implementation, and the analysis of a scheduling system called KOALA for multicluster grids. His main contribution in the area of peer-to-peer systems is in mechanisms for improving download performance, for video-on-demand, and for reputations in the context of the Tribler peer-to-peer project in Delft. From 1987-1988, the Fall of 1991, and the Summer of 1998, he was a visiting scientist at the IBM T.J. Watson Research Center in New York. In the Fall of 1992, he was a visiting professor at the Catholic University of Leuven, Belgium, and in the Fall of 2009 he spent a sabbatical at the University of California in Santa Barbara. He has coauthored more than 70 papers in peer-reviewed conferences and journals, he was a general cochair of Euro-Par 2009 and IEEE P2P 2010, and he was vice program chair of CCGrid 2010. He received best paper awards at the IEEE P2P 2006 and the CCGrid 2010 conferences.
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Emilio Leonardi received the Dr. Ing degree in electronics engineering in 1991 and the PhD degree in telecommunications engineering in 1995, both from the Politecnico di Torino. He is currently an associate professor in the Dipartimento di Elettronica of the Politecnico di Torino. In 1995, he visited the University of California, Los Angeles (UCLA), in the Summer of 1999 he joined the High Speed Networks Research Group at Bell Laboratories/Lucent Technologies, Holmdel, New Jersey, in the Summer of 2001, Stanford University, and, finally, in the Summer of 2003, the IP Group at Sprint, Advanced Technologies Laboratories, Burlingame, California. He has participated in several national and European projects such as IST-SONATA, IST-DAVID, NoE e-Photon-One, and Euro-FGI Euro-NF, and in research projects with Lucent Technologies-Bell Labs, IBM, British Telecom, Alcatel, and TILAB. He is the scientific coordinator of the European FP7 STREP project “NAPA-WINE” on P2P streaming applications, involving 11 European research institutions, operators, and manufacturers. He has coauthored more than 150 papers published in international journals and presented at leading international conferences, all of them in the area of telecommunication networks. He participated on the program committees of several conferences, including IEEE INFOCOM and ACM MobiHoc. He was the guest editor of two special issues of the IEEE Journal of Selected Areas of Communications, focused on high speed switches and routers. His research interests are in the field of performance evaluation of wireless networks, P2P systems, queueing theory, and packet switching.
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Keqiu Li received the bachelor’s and master’s degrees, both from Dalian University of Technology, China, in 1994 and 1997, and the PhD degree from the Japan Advanced Institute of Science and Technology in 2005. He is currently a professor in the School of Computer Science and Technology, Dalian University of Technology, China. He was a research fellow at the University of Tokyo, Japan, from October 2005 to September 2007. He also has four years of experience in industry. His research interests mainly include Web technology (especially on Web caching), content distribution networks, cloud computing, and wireless sensor networks. He has published more than 100 technical papers in international journals and conferences, such as IEEE TPDS, ACM TOIT, and ACM TOMAPP. He is on the committee board for several international/national journals and serves as an organization chair/program chair/publication chair/program committee member for a couple of international conferences. He has delivered two keynote speeches/invited talks. He received the Natural Science Academic Achievement Award (First Prize) of Liaoning Province, China, in 2009, and the Excellent Paper Award at the 2005 International Conference on Computer Communication and Mobile Computing (ICCNMC ’05). He is a member of the IEEE.
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Rabi N. Mahapatra received the PhD degree in computer engineering from the Indian Institute of Technology (IIT) at Kharagpur, India, in 1992. He was an assistant professor at IIT Kharagpur until 1995. Currently, he is a professor with the Department of Computer Science and Engineering and the director of the Embedded System Codesign Group at Texas A&M University. His current research interests include embedded systems, system-on-chip, VLSI design, and parallel and distributed processing. He has published more than 150 papers in related areas in reputable journals and conference proceedings. He has coauthored two books and served on the technical program committees of numerous international events. He is an associate editor of the ACM Transactions on Embedded Computing, IEEE TPDS, and the EUROSIP Journal on Embedded Systems. Dr. Mahapatra is a senior member of the IEEE.
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