The UMBC ACM Student Chapter invites CSEE students, staff and faculty to the third annual Welcome Back Picnic. Join us this coming Wednesday, 10 October 2012, between 11:30 am and 1:30pm in the Atrium of the Engineering Building for lunch and to meet new and returning students.

The picnic is sponsored by the CSEE Department and the ACM Student Chapter with additional support by the UMBC Graduate Students Association. RSVP via then event on Facebook or my.umbc.edu.

You can stay informed about the chapter activities and events by liking its Facebook page or signing up for its mailing list

ACM, the Association for Computing Machinery, is the the world’s largest educational and scientific computing society. It provides members with resources that advance computing both as a science and a profession. UMBC's chapter meetings are open to all undergraduate and graduate students of any major. While you do not need to join ACM to be a part of the local chapter, the annual membership dues for students is only $19, heavily discounted from the non-student rate. See the ACM site for more information on student membership and its benefits. If you have any questions about the UMBC chapter or suggestions for activities for the coming year, send them to the acmofficers at lists.umbc.edu.

Fashion Forward

Chic Engine, a website and iPhone app created by Computer Science Ph.D. student  Adrian Rosebrock helps you find clothes you see on friends, strangers, or online.  Just snap a photo, and let Chic Engine do the rest.

CSEE: Tell us about your “ah-ha” moment with Chic Engine. What inspired you to start it?

Adrian: It is really interesting how common, everyday conversation illuminates problems that many of us encounter in day-to-day life. I always try to pay attention to these types of problems because if you can provide a solution to them, your product could be adopted by a widespread community of users.

The inspiration for Chic Engine came from these types of everyday conversations. I always see people turn to their friends and say “I love your dress, where did you get it?” Normally, their friend can provide an answer. However, what happens if this person is not your friend and is instead a stranger walking down the street? What if you aren’t looking at a person, but instead a magazine ad or a poster of the latest GQ outside the subway? How do you find your answer?

Chic Engine, in short, is an answer to the question “Where did you get that dress?” or “Where can I find more dresses such as this one?” Given a picture, Chic Engine analyzes it, extracts the piece of clothing from it, and then returns similar results.

CSEE: What does Chic Engine do?

Adrian: Chic Engine is a visual fashion search engine. You can either upload a picture to the website or use the iPhone app to take a picture of a piece of clothing that you are interested in. Chic Engine automatically analyzes the image and then returns results with similar clothing items.

The most important facet of Chic Engine is that it does not use “keywords” as you do with other search engines such as Google or  Bing. We are no longer describing clothing in terms of words, we are describing them in terms of images. All you need is an example image of clothing that you are interested in—Chic Engine will do the rest.

CSEE: Can you explain how the website works in a technical sense?

The first thing Chic Engine needs is a query image that contains clothing that you are interested in. Once you give it that image (either by uploading it or using the iPhone app), it first extracts the clothing from the image. This process is called background subtraction. We only want to describe the clothing contained in the image, not the surrounding area.

After the clothing is extracted, it is described. In essence, the “description” is Just a list of numbers used to represent the clothing in the image.

However, these lists of number can be quite large, making the search process slow. We want to make our search process as fast as possible to satisfy our users so we must then apply some dimensionality reduction techniques to make the list of numbers more compact.

Lastly, using the compacted list of numbers, we can search against our database of images and find the most similar items.

CSEE: Which online stores does Chic Engine search within?

Adrian: Chic Engine searches many different stores. A sample of the stores include Armani, Neiman Marcus, Banana Republic, Alexander Wang, and Piperlime, to name a few. Almost all major stores are included.

CSEE: Would you consider yourself a fashion junkie? Where do you like to shop?

I am not going to lie. It is pretty rare that I miss an episode of Project Runway, so I guess that does make me a fashion junkie. I enjoy fashion, I enjoy shopping, I enjoy the entire process. Similar to architecture, fashion can be considered art, both of which intrigue me.

As for where I shop, my two go-to places as of late have been Armani and Express. But, at the same time, you can find some real gems in a thrift store while paying next to nothing.

CSEE: Have you ever used Chic Engine to find new clothes?

Of course. I am a big believer in using your own product. Someone who builds a product and does not use it themselves  likely does not understand the intimate details of the problem they are solving.

Furthermore, if you never use your product you cannot find its shortcomings and find ways to improve it. So yes, I use Chic Engine all the time.

CSEE: How is the iPhone application different from the website?

The iPhone app is essentially a mobile version of the website. In fact, I think the app is better than the website. Having the ability to snap a picture of a piece of clothing, whether it is someone walking past you on the street or in a retail store, and then immediately have similar search results is huge.

Using the iPhone app also relieves some of the user education related problems of the website. The average website user might not understand how to upload an image from their computer or copy and paste the URL of an image they like. The app solves all these problems because all they need to know how to do is take a photo. After the photo is taken, the app can handle the upload and return similar results.

The iPhone app has been downloaded 400+ times at this point*, showing that people are interested in the product. I would also like to make a version for Android users. There is no reason why they should be left out.

CSEE: Do you have any upcoming plans for the website and app? What would your ideal product do?

We recently pushed an update online that allows user to create accounts and save their searches. With search engines such as Google and Bing, it is simple enough to reenter our search query whenever we want to see the results again, but when you are dealing with images, it is more tedious. This functionality is not included in the app, so we plan to update it so users can save their mobile searches for viewing at a later date. The next version of the app will also continue to improve on user-friendliness.

The ideal app would include as many stores as possible and it would learn from what the user uploads. It would be able to model the taste of the user, and then based on the model, it would return even more relevant search results.

At this point, Chic Engine has been online four months*. It has come a long way since it was first published online, but there are still a lot of challenging problems to overcome. Overall, I think it shows great promise and I love working on it.

*Adrian was interviewed in July 2012.

Meet UMBC’s inaugural batch of NSF Scholarship for Service (SFS) CyberCorps program scholars. These four B.S., M.P.S. and Ph.D. students  will be able to hone their interests in Information Assurance and Cybersecurity through generous full-ride scholarships and opportunities to intern at government organizations. 

Oliver Kubik

Major: B.S. Computer Science '14
Hometown: New Windsor, MD

Oliver Kubik knew that Computer Science was for him starting in the 7^th grade when he played with madlib style programs on his basement computer. Now a Junior working toward his B.S. in Computer Science at UMBC, Oliver has plans to one day pursue a Ph.D.

What Oliver likes about Information Assurance and Cybersecurity  is the problem solving and detective work. “Everything must be analyzed much more in depth than conventional software applications whose bugs typically have minor consequences,” he says. “I think that securing mobile devices will be very important in the future.”

A Meyerhoff Scholar, Oliver is part of UMBC’s Cyber Defense Team and Ultimate Frisbee team. In Summer 2012, he pursued undergraduate research at the University of Connecticut, comparing the strengths of Amazon’s EC2 and Windows’ Azure cloud computing systems. “My results didn’t show a clear superiority of one system over another, but I did learn a lot about academic research, especially in the importance of organizing the data that is collected.”

His Freshman year, Oliver interned at System’s Alliance in Hunt Valley, creating an automated testing framework for their web portal to speed up the logging of bugs. Here he learned about the complexities of web pages and the Selenium web automation tool. That summer he did similar work as an intern at Booz Allen Hamilton.

As part of the SFS program, Oliver hops to intern at the National Security Agency. His plans after graduating in May 2014 are to explore work in the governmental sphere before pursuing a Ph.D. in Cybersecurity.

Brandyn Schult

Major: B.A. Human Ecology, M.P.S. Cybersecurity ‘14

Lured by UMBC’s distinction as a CAE school and its prime location in the “Silicon Valley of Cyber”, Brandyn Schult joined UMBC’s Cybersecurity M.P.S. program in Fall 2012 to broaden his understanding of Cybersecurity. He is now part of UMBC’s Cyber Defense Lab (CDL).

“What I like about Information Assurance and Cybersecurity is that they are not bound by many technical limitations and new practices are constantly being developed,” explains Brandyn, who graduated from the College of the Atlantic, Maine with a B.A. in Human Ecology. “What we have as students is a chance to help shape a new discipline and that is exciting.”

Brandyn speculates that the biggest cyber threat we face today isn’t from outside sources, like viruses or hackers, but from “the legacy infrastructure that the cyber domain is built on and the users’ interaction with it.” He cites IPv4 and SCADA systems at a fundamental problem. “It’s 2012, yet we are still using technology from the 70’s and 80’s as the foundation for the technology today and tomorrow.”

Brendan Masiar

Major: B.A. Philosophy '11, M.P.S. Cybersecurity '13
Hometown: East Islip, NY

After graduating from UMBC a year ago with a Bachelor’s in Philosophy, Brendan Masiar came right back to pursue his passion for Computer Science. He chose UMBC’s graduate program in Cybersecurity because he saw it as “a perfect blend of [his] humanities and technical background.”

“I love that the field is constantly developing and evolving,” says Brendan of Cybersecurity. “There is no definitive end point to cybersecurity, ” he says, “some new attack vector will always be out there.” Brendan thinks cell phones and mobile devices that enable us to do things like online baking, check mail, and other private tasks, are our biggest cyber threat. “The risk for data loss and identity fraud is going to be more and more rampant.”

Right now Brendan is interning at Tresys Technology in Columbia, where he works on testing and developing software. After finishing up school, he will be looking for a job within Maryland’s IT industry. “My dream job is one that will be setting precedents, whether it be through policy or through methods used,” he explains.  His role model is Dr. Steven Yalowitz of UMBC’s Philosophy Department, who got Brendan hooked on the subject. “I hope one day to instill that same curiosity into others.”

Lisa Mathews

Major: M.S. Computer Engineering, Ph.D. Computer Science '15

What is it about Cybersecurity and Information Assurance that appeals to Ph.D. student Lisa Matthews? “They are challenging fields that provide many opportunities to apply one’s knowledge and skill set to tackle various security issues or vulnerabilities,” explains Lisa. “Protecting computers and information from various threats is an important function, especially given the number of security attacks that have happened and are likely to occur.”

Lisa thinks that a new wave of “low-and-slow” attacks—ones that surreptitiously strike in different phases and can spend days, weeks, or even months weakening a system’s defenses–are a big threat. “These are difficult to detect, hard to contain, and can do considerable damage before they are stopped.” In fact, Lisa is working towards a solution to these types of attacks with her thesis research. “My current research is focused on taking a semantic approach to intrusion detection by combining data from various sources, integrating data, and performing additional analysis using a knowledge base that would enable the detection of a threat or attack. This method should prove to be useful in stopping attacks that follow a low-and-sow intrusion pattern.”

After graduating, Lisa hopes to work for one of the Department of Defense agencies. “My dream job is one where I can continue research on the constantly evolving fields of information assurance and cybersecurity,” she says. “This scholarship is providing me a great opportunity to attain this job.”

The Association for Computing Machinery (ACM) is the world’s largest educational and scientific computing society. UMBC has an active ACM student chapter that is open to all UMBC undergraduate and graduate students of any major.

While you do not need to join ACM to be a part of the local chapter, the annual membership dues for students is only $19, heavily discounted from the non-student rate. See the ACM site for more information on student membership and its benefits.

This year the chapter is planning to have monthly meetings where faculty members, ACM distinguished speakers, and local tech companies will talk about various interesting topics. These meetings are tentatively planned for the third Wednesday of every month starting in October. Other activities like board game nights or our Welcome Back Picnic are also in the works. Suggestions on speakers or other events are welcome and can be sent to Sorry, you need javascript to view this email address.

Please stop by for these events for which we will send out detail as they get confirmed. Sign up for the UMBC ACM mailing list to become a part of the local chapter and receive updates and news of its activities and events.

MS Thesis Defense

Predicting the Activities of Mobile Phone Users
with Hidden Markov Models

Amey Sane

9:00am Tuesday, 28 August 2012, ITE 325b, UMBC

Mobile phones are ubiquitous and increasingly capable, with sophisticated sensors, network access, significant storage and processing power and access to a wide range of application data. They can improve the range and quality of their services by acquiring and using models of their context, including the activities in which their users are engaged. This thesis explores the use of supervised machine learning techniques for predicting a smartphone user's activities from available sensor data. We have specifically concentrated on applying classifiers and ensembles using hidden markov models for activity recognition. Our classifiers predict a user's current activity from among a set of conceptual activity classes such as sleeping, traveling, playing, working, and chatting/watching TV. We have experimented with and evaluated the effectiveness of different approaches on data collected on Android smartphones by university faculty and students.

Committee: Drs. Tim Finin (chair), Anupam Joshi and Yelena Yesha

Welcome class of 2016! We're so glad you chose to study Computer Science or Computer Engineering at UMBC! Now that you're here, we thought you might like a little tour of our department so that you can make the most of the next four years. We don't promise they'll be easy, but we do promise they'll be challening, rewarding, and fun.

Figuring out what courses you need to take is an important first step. All UMBC students, whether they're majoring in Mathematics or French or Media and Communications Studies, have to take General Education Program (GEP) requirements. These are the courses that make you a well-rounded college student. They introduce you to subjects you may have never noticed, like… Asian Studies.

Then there are the courses you take for your major. These are different for the Computer Science and Computer Engineering programs, so click on your major to see what classes you should take, and to learn more about different tracks in fields like Game Development and Information Assurance.

• Computer Science
• Computer Engineering

If you're having trouble figuring out which courses to take and  when, don't despair. That's what your advisor is for. At some point during the semester, head over to room 204 in the Information Technology/ Engineering Building (ITE) and sign up for an advisor.

If you ever find yourself saying those two words, then head over to the Computer Science Help Center for some free tutoring. Located in ITE 201E, it's staffed by your fellow Computer Science students and is open Monday through Friday.

For other problems, head over to the CSEE department office, located in ITE 325. Our supportive staff is here to help Monday through Friday, 8 a.m. to 4:30 p.m.

You've got interests, right? Well at UMBC, there's a club for that. Whether you one day aspire to create the next video game sensation, are confident in your infallible chess game, or would like to help encourage more women to study a technology field, you can find a club that will speak to your interests. Joining a club is a great way to boost your resume, learn new things, and connect with faculty and students. Plus, it’s fun. Check out a list of all of UMBC’s student organizations.

UMBC's special because we offer undergraduates a chance–and, sometimes money–to work on their own research projects. Undergraduate Research Awards (URA) of up to $1,500 are available for promising research projects and Undergraduate Research and Creative Achievement Day (URCAD) gives undergrads a chance to present their findings to an eager audience. Start thinking about research now. The first step is to attend lab meetings and find out what research opportunities are out there. Take a look at our department's research labs, and see what current students are researching.

Follow us on Facebook. Join our myUMBC group. That way you’ll be the first to know about departmental news. We’ll tell you about job and internship opportunities and events you won’t want to miss. Like they say, knowledge is power.

If you want some idea of what a well-rounded Computer Science or Computer Engineering major looks like, take a look at our students below. In their own words, they talk about internships they've had, clubs they are part of, and what they like most about UMBC. Click on the photo below to meet the students.

Coulda, Woulda, Shoulda.

If you have a LinkedIn account, you probably noticed the news that 6.5 million of their passwords were leaked. While the passwords were encrypted, it's still a major problem for all LinkedIn users. In his column in the latest issue of ACM Queue, LinkedIn Password Leak: Salt Their Hide, security expert Poul-Henning Kamp, explains the flaws in LinkedIn's password management process and the simple steps that can make it much more secure.

Of course, this is more than just about LinkedIn. Similar password leaks from eHarmoney and last.fm were reported this week.  If you use any of these popular Web services, you probably should change your password, especially if you use the same password on other Internet sites and services.

If you find this interesting, you should check out the monthly ACM Queue magazine.  It is a good resource for people interested in computing and software engineering. Here's how it describes its mission.

"Queue is the ACM's magazine for practicing software engineers. Written by engineers for engineers, Queue focuses on the technical problems and challenges that loom ahead, helping readers to sharpen their own thinking and pursue innovative solutions. Queue does not focus on either industry news or the latest "solutions." Rather, Queue takes a critical look at current and emerging technologies, highlighting problems that are likely to arise and posing questions that software engineers should be thinking about."

Update 6/9: The League of Legends reports that their password database was compromised. It’s not clear how they were storing the passwords.

The Second Baltimore Hackathon will be held this weekend, starting at 6:00pm Friday June 8 and ending at 6:00pm Sunday. At a hackathon people get together to build a hardware or software project from idea to prototype, in this case in one weekend. You can do it individually or as a team. You can come as part of a team or find one when you get there. It’s a great way to meet people and have fun.

The hackathon will take place at Advertising.com‘s offices in Tide Point (1020 Hull Street, 1st Floor Ivory Building, Baltimore, MD 21230).

You can register online (tickets are limited) for just $10, which includes a t-shirt and food for the weekend. Significant prizes will be awarded in six different categories: technical complexity, smart design, civic service, aesthetics, crowd favorite, and hacker/DIY.

See the Baltimore Hackathon site for more information.

Blockly is new web-based, graphical programming language developed by Google. It's graphical in the style of Scratch in that you create a program not as a linguistic object, but by selecting and composing icons that represent control flow constructs, operations, functions, variables and values. It's Web based in that both the program development and program interpreter components are written in javascript run in your browser runs in your browser. There is also the capability of compiling your Blockly program into Javascript, Dart or Python. You can inspect or checkout the Blockly source code from the Blockly source repository or try the Maze demo. In that demo, you construct a Blockly program to solve a simple maze, moving the agent to the designated target.

This is work in progress and there's lots more to make it a good language for instruction or to adapt it for actual use in a special environment. But it is fun to play with and is a good way to engage young people with learning how to program computers. It could also be adapted to provide an interface to allow non-programmars to write simple procedures to control devices or define workflows. You can read more about it in an article on Wired

The UMBC student chapter of the ACM met last week to elect a new slate of officers for the 2012-13 academic year. Outgoing preseident Yasaman Haghpanah officiated the election meeting. Elected were Varish Mulwad as President, Lisa Mathews as Vice-President, Ravendar Bhojwani as Secretary and Prajit Kumar Das as Treasurer.

ACM, the Association for Computing Machinery, is the the world’s largest educational and scientific computing society. It provides members with resources that advance computing both as a science and a profession. UMBC's chapter meetings are open to all undergraduate and graduate students of any major.

While you do not need to join ACM to be a part of the local chapter, the annual membership dues for students is only $19, heavily discounted from the non-student rate. See the ACM site for more information on student membership and its benefits.

The ACM UMBC student chapter will continue to organize the weekly hi-tea event in the upcoming year. It will also be working on inviting speakers (from industry and academia) to present on topics such as preparing for a career in the industry to pursuing graduate school. If you have any questions about the UMBC chapter or suggestrions for activities for the coming year, you can send them to the acmofficers at lists.umbc.edu.