• Leaders of Tomorrow Youth Center -- Arts Instructors -- ID# 9245504
• Howard County Arts Council -- Community & Web Relations -- ID# 9248288
• Maine Conservation Corps -- Field Team Leader -- ID# 9248230
• Maine Conservation Corps -- Field Team Member -- ID# 9248231
• Maine Conservation Corps -- Trail Training -- ID# 9248229
• Bright Spot, Inc -- High School Mathematics Tutoring -- ID# 9245891
• SECU Credit Union -- Teller -- ID# 9248279

• UMBC Office of Residential Life -- Desk Manager - Residential Life -- ID# 9248235
• UMBC Office of Residential Life -- Maintenance Assistant - Residential Life -- ID# 9248233
• UMBC Office of Residential Life -- Resident Assistant - Residential Life -- ID# 9248234
  

Environmental Health Research Experience Program (EH REP) at the University of Washington Seattle

The Environmental Health Research Experience Program (EHREP) is a funded nine week, summer experience for undergraduates with interest in an interdisciplinary field that uses the tools of science to solve human health problems related to the environment. EHREP provides students with hands on experience in laboratories of leading researchers, introduces them to key environmental and occupational health issues while offering research exposure that will help them become competitive for graduate school.  Students will work full-time under the supervision of a faculty mentor and will receive a stipend of $5,200. 

 The program is meant for students underrepresented in the sciences.  The deadline for student applications is February 15, 2012. 

MS Thesis Defense

Analyzing the Growth of Hoeffding Trees

Mayank Sawhney
12:00-1:30pm Thursday 1 December 2011, ITE 346

Mining high speed data streams has become a necessity because of the enormous growth in the volume of electronic data. In the past decade, researchers have suggested various models for learning in both stationary and concept drifting data streams. Hoeffding Trees (Domingos & Hulten 2000) are one such model for mining stationary data streams. Several modifications of the nave Hoeffding Tree algorithm have been proposed to study data streams.

Our work analyzes the behavior of Hoeffding Trees when they are trained on infinite and experiments, we show that the Hoeffding bound suffers from an inherent shortcoming. Even after reaching a stage where accuracy asymptotes, Hoeffding Trees continue to grow. We examine this behavior in data streams with both nominal and numeric attributes. We also study enhancements made to the naive Hoeffding Tree algorithm and also evaluate different discretization methods.

In our work, we analyze how the Hoeffding bound relates to the information gain when splits are made and also when we send a random distribution as a data stream. We conclude that this behavior is a result of decisions made for the early growth of Hoeffding Trees and the induced randomness in an online setting. We also argue that the presence of this behavior will impact the use of Hoeffding algorithms in real world online applications.

Committee Members

• Dr. Tim Oates (Chair)
• Dr. Tim Finin
• Dr. Kostas Kalpakis

Maryland State Delegate Kirill Reznik (District 39 in Montgomery County) is seeking interns to work in his Annapolis office during the Maryland General Assembly's 2012 Legislative Session. Delegate Reznik serves on the Health and Government Operations Committee. While his committee primarily focuses on health care related topics, his office will focus on passing legislation on a variety of issues. This is an excellent opportunity to learn how the Maryland government operates and gain valuable experience working in a legislative body. Along with administrative work, interns will gain hands-on experience while researching legislation that will come before the Health and Government Operations Committee, working on constituent issues, and helping staff to pass legislation sponsored by the Delegate. Interns will also be encouraged to follow legislation of their personal interest as those bills work through the legislative process. Interns should be college students willing to commit at least two full days a week from the middle of January to the middle of April. All applicants are welcome, regardless of Maryland residency.

Morgan Stanley will be conducting informal Coffee Chats with sophomores and juniors at UMBC interested in summer intern opportunities.  Students will meet in 30 minute intervals with a Morgan Stanley business representative on December 12th from 1:00-4:00 on UMBC's campus. Contact Melissa Fusoni at melissa.fusoni@morganstanley.com to schedule a time to chat with our representatives.