Computer & Information Science & Engineering Fall 2006 www.cise.ufl.edu From left to right: Daniel Soffer, James “J.C.” Jones, Zak Kline, Ross Friedberg, Josh Hartman, Warren Moore, Dave Small, Kyle Fleming, Miorel Palii, and Tim Smith Programming Team - ACM On Saturday, October 28, three teams from UF Although team members had a very successful run competed in the 2006 Association for Computing this year, they continue to work hard and are trying Machinary Southeast USA Programming Contest to build upon the success of fall 2005, when UF’s in hopes of qualifying for the international contest. teams finished third, eighth, and 11th out of 66 When the results were tallied, two University of registered teams. Fortunately, with great leadership Florida teams finished in the Top-10 out of 65 and coaching from Dave Small, we can expect the registered teams. Team 127.0.0.1, Kyle Fleming, team to be successful in competitions to come. Small Josh Hartman and Miorel Palii, finished fifth. They has been coaching the team since the fall of 2004 acheived seven out of 10 correct solutions. A Series of and is very proud of the hard work and dedication the Tubes, James “J.C.” Jones, Warren Moore and Tim students have put into preparing for the competition. Smith, finished ninth. The team had five correct This fall the team members met for three two-hour solutions. The third team,Slinky+Escalator=Infinite practice sessions a week. Exceptional leadership, Fun, Ross Friedberg, Zak Kline and Daniel Soffer, dedication and organizational skills from the captain, finished 44th with a score of two correct solutions. Jones, WERE valuable to the team’s success. continued on page 2 A Letter from Sartaj Sahni, CISE Chair As I write University in 2006 and her research interests We are extremely proud of the students’ this letter, we are in supervised learning. In addition, eight accomplishment and I wish to congratulate the are rapidly staff members have joined us. team on behalf of the Department. approaching the midway point of Two distinguished faculty members will CISE graduate students took an important the 2006-2007 be retiring from CISE in December, but step forward this year by forming the academic year, will continue their involvement with the Association of Graduate Students in Computer and I am happy Department as emeritus faculty. Professor and Information Science and Engineering. to report that Gerhard Ritter, who was chair of CISE from ASCIE was formed to provide a forum for all indicators 1994 to 2001, joined the Department in 1985. the expression of views and interests of CISE suggest that it His research contributions have spanned the graduate students. The organization has will be among areas of artificial neural networks, applied already made several significant contributions the most successful in our history. mathematics, pattern recognition, image to its members and to the Department as processing and computer vision. Professor Su- a whole, including the hosting of a very We were very fortunate to hire four Shing Chen joined the Department in 2002 successful new graduate student orientation outstanding faculty members this year: after serving as James C. Dowell Research program. We are very fortunate to have such associate professor Ahmed Helmy, assistant Professor and Chair from 1997-2001 in the an enthusiastic and energetic group of students. professor My Thai, and lecturers Seema Computer Engineering & Computer Science Bandyopadhyay and Rong Zhang. Helmy Department at the University of Missouri- Once again, I want to thank all of our generous received his Ph.D. from the University of Columbia. Chen’s research contributions have supporters. I encourage anyone considering a Southern California in 1999 and his research been in the areas of flexible dynamic workflow donation to the Department to look into gift interests include mobile ad-hoc networks and design, digital libraries, agent-based learning matching opportunities through his or her wireless sensor networks. Thai received her systems and computing, and data archiving employer. More information on corporate gift Ph.D. from the University of Minnesota in and information preservation. An article which matching can be found through your human 2005, and works in the areas of combinatorics, briefly describes their many contributions to resources department or at the University of optimization, algorithms, computational the field and the Department can be found in Florida Foundation web site, www.uff.ufl.edu. biology and networks. Bandyopadhyay received this Newsletter. her Ph.D. from Purdue University in 2004 and her research interests are in computer The cover article of this edition of the CISE networks, including wireless sensor networks. Newsletter exhibits the continued success Zhang earned her Ph.D. from Rutgers of our ACM Student Program Teams. continued from page 1 Programming Team - ACM A Glimpse of the Team J.C. Jones Miorel L. Palii Daniel Soffer, junior, is majoring in computer is a graduating master’s student in is a first year engineering with an emphasis on software. He computer science. Jones has served the last two physics major who programs loves programming and problem solving, and years as captain of the programming team. He as a hobby. Palii says he enjoys in the programming team he is able to do what first became involved with the team in 2004 speed-solving the Rubik’s he loves. to hone his problem-solving skills and the cube and playing chess and “Statesboro was a fun time,” Soffe said. thrill of competition inspired him to stay on sees himself entering academia “This was my first ACM competition and it the team. In his free time, Jones writes open- to do research. This year’s was a really good learning experience. The UF source software and enjoys table-top RPGs. competition is the first he programming team will keep-at-it until we attended. Kyle Fleming reach the world finals, hopefully next year.” , a freshman pursuing a computer engineering degree, loves problem solving and Warren Moore, a computer engineering Java programming. In addition to the ACM junior, has participated in the last three Programming Team, he is also involved in southeastern regional contests. He has UF’s Student Hacking Team and Juggling entrepreneurial plans for the future and would Club. He hopes to work with a respectable, eventually like to be an “angel investor,” moderately-sized company developing, testing helping small, promising tech firms reach their and deploying software. potential by providing start-up funding. In the meantime, he says he enjoys working on web applications and simulations involving real- time 3-D computer graphics. 2 CISE Student/Faculty Research Groups The Virtual Experiences Research Group The Virtual Experiences Research Group In the Mixed Reality for includes faculty, graduate students, and Engineering Review and undergraduate students involved in computer Design project, the goal is graphics, virtual reality, and human-computer to improve the effectiveness interaction research. The group works on of virtual reality worlds projects that span the spectrum from virtual through enhancing the reality — where everything is virtual, to mixed interface. The MERGED reality — a mix of real and virtual objects. system allows the user to handle real objects within Led by assistant professor Benjamin Lok, the the virtual world. Basic group focuses on developing, understanding research is being conducted and evaluating experiences within virtual on how the presence of real worlds. The research focuses on studying how objects impacts the users’ the interface to virtual worlds impacts how perception and behaviors the user perceives, behaves and learns. A series with virtual objects. A life-sized virtual patient, DIANA, is complaining of abdominal pain. A of projects are underway to examine these medical student needs to gesture and speak to her to practice doctor- research questions. The Virtual Patients patient communication skills. project aims to improve In the Mixed Reality Anesthesia Machine how people interact with project, a tracked TabletPC is used as a ‘magic others through providing practice with virtual communication, diagnosis, and procedural lens’ to view an abstract representation of a people. To accomplish this lofty goal, students skills. Studies have been conducted to validate complex anesthesia machine. The Magic Lens and faculty, are developing new technologies the system. These studies investigate how TabletPC is a combination of camera based to render, interact, visualize and learn from interacting with a virtual person is similar to trackers, 3-D computer graphics, simulation virtual humans. Their target application interacting with a real person as well as explore and modeling, and a natural handheld is to provide medical students additional issues of race and ethnicity while seeking to interface. The device will help anesthesiology opportunities to practice with virtual patients. understand how technology impacts learning, residents better understand how to effectively Through repeated interactions with virtual behaviors, and effectiveness. use and troubleshoot the complex machinery of patients medical students will improve an anesthesia machine. Center for Operating Systems, Networks and Security The Center for Operating Systems, Networks and Security (CONS) research group is headed by assistant professor Richard Newman and is engaged in cutting-edge research in temporal/spatial access control, distributed collaboration systems, JPEG steganography, anonymity, designing smart firewalls that defeat DDoS attacks on modern IP networks, increasing reliability of VoIP, and making human passwords more secure. A major security software release last semester from CONS was the University of Florida Image Based Authentication tool, used as a default authentication mechanism by the students of the graduate level operating systems course in the Fall. This alternative authentication mechanism Text uses selection of fractal images instead of text as passwords. It has benefits over text- based systems such as higher entropy, higher recall rates, lower susceptibility to dictionary attacks and inherent immunity to key loggers.
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