pomona college computer science research

I entered college with a couple of plans in mind, each of them kind of fuzzy. The project included two different stages. Using the expanded rule set resulted in a 3% increase in accuracy compared to the original rule set. This summer we assisted Professor Bruce in improving Grace’s existing static type-checker. Pomona is a four-year undergraduate institution and enrolled approximately 1,700 students as of fall 2019. You'll also become versed in core areas of computer science including systems, theory and algorithms. The generated accompaniments implementing these enhanced comping methods generate nice sounding backing tracks. Starting in June 2020, I am also a Visiting Research Assistant at the Department of Informatics at University of California - Irvine. Throughput of BBMap's format conversion tool was measured when the same read data were given in uncompressed FASTQ, Gzip-compressed FASTQ, and SeqDB formats. Many of the graphs we generated are very insightful. This summer we improved the type system of grace to support a wide variety of type expressions with ampersand (&) and or (|) operations, implementing key theoretical subtyping rules, and on typing imports, concentrating especially on chained imports. Because the static type-checker checks the correctness of the code before the code actually runs, it can result in eliminating certain run-time checks that would otherwise slow down the program execution. Funding provided by Pomona College SURP, "I gave my first gift to Pomona as a first-year. Phone: 909-607-4554. Funding Provided by: National Science Foundation (HMC), Kevin Nguyen '16; Student Collaborator(s): Preston Tunnell Wilson (2016 Rhodes College); Additional Collaborator(s): Kyle Dempsey (Mississippi University for Women); Mentor(s): Betsy Williams-Sanders (Rhodes College), Abstract: One way to permit free exploration of any sized virtual environment (VE) and provide some of the inertial cues of walking is to have users “walk in place” (WIP) [Williams et al. Melissa Grueter '18; Mentor: David Kauchak. There were two major drawbacks to this WIP algorithm. Generalizing chord qualities to match the left and right boundaries of the chord part to the left and right boundaries of the interpolants, we consult a list of weighted interpolants that could possibly be inserted between the original chords of the chord part. The college's 140-acre (57 ha) main campus is in a residential community near the foothills of the San Gabriel Mountains. We found that Kokkos generally performed as well as both OpenMP and Cuda when run on sufficiently large graph problems. Being able to model these patterns as evolving networks with respect to time will yield additional insights not possible with existing bioimaging methods. While these combinations have been successfully harnessed by both researchers and commercial drone producers to a certain extent, the computer vision component remains a technical challenge for one reason: it requires an intense amount of computing power. About 52% of the Class of 2018 took an introductory computer science course during their time at Pomona College. Unfortunately, the technology that the CNC machine is composed of does not allow for this. In this way students are applying the skills learned throughout the course to understand and think about a social issue. 2011]. Greater Boston Area Doing a lot of everything data related Computer Software Education Pomona College 1982 — 1986 BA, Math/Computer Science Pomona College 1982 — 1986 Bachelor of Arts (B.A. 2019 Paving the Way with Static Typing- CS Education for Beginners with the Grace Programming Language A community within a network is a set of members that are more connected to each other than to other members; communities might represent groups on Facebook or college athletic conferences in the NCAA's Division III. Abstract: A graph is a collection of objects (nodes) and connections between pairs of objects (edges). The Summer Undergraduate Research Program (SURP) enables students to conduct extended, focused research in close cooperation with a Pomona faculty member. It has been taught in introductory CS courses at Pomona and will be taught again in the fall. We then present melodies to a critic for judgment on a grading scale, and for prediction of the musicians to whom the melodies sound most similar. Input file size was not found to be related to SeqDB’s throughput. Marina Del Rey, California PHD Student at University of Southern California Research Education Pomona College 2009 — 2013 Bachelor of Arts (B.A. Our results suggest that while most individual features may not make a significant contribution to system performance, each feature group as a whole contributes a nontrivial performance increase. Techniques for identifying, formulating and solving complex problems, Systems, programming languages and algorithms. To this end, we have to provide not only a simple and flexible language amenable to different teaching styles and programming paradigms, but also a robust environment in which novices can learn to program. To analyze research collaboration data derived from DBLP, a CS biography data collection, we first created a Java program that analyzes CSV files and for each pairs of events returns the Allen Algebra relationship it satisfies. his project is motivated by the fact that there is an increasing need for students to be knowledgeable about technology as well as how technology can be used to understand and to affect society. We looked at trends between the two corpora as wholes as well as between the user groups (which we characterize as having varying degrees of anonymity, from totally anonymous, to a pseudonym, to using users’ real names) within the individual corpora. Those skills are applied in the context of understanding data from the US Census Bureau regarding public school finances and the demographics of counties. Even though HelloTello runs on a computer outside of the drone itself, this research paves the way for utilizing lightweight computers such as the Jetson Nano as on-board control computers for larger drones. Static typing also makes debugging and organization easier as it serves as documentation for what is expected to be supplied or produced. Claremont, California Student at Pomona College Research Education Pomona College 2011 — 2015 Bachelor of Arts (B.A. We developed Eye-Write, a novel gaze-sharing system which allows multiple co-authors to see at will the location of their partners' gaze within an online collaborative text editor. For instance, a heatmap that show the number of collaborations of certain length started in each year between 1930’s and 2017 highlights the recent rapid growth in the field of computer science and collaborations in the field. Improving the user interface for the online web editor in Grace involved learning Javascript, HTML, and CSS in order to add several features to the editor that would overall improve the user’s experience. Harvey Mudd’s computer science department has three undergraduate majors: computer science, computer science and mathematics, and mathematical and computational biology. I have met driven, excited Pomona CS majors applying computer science to their own unique areas of interest. Second, participants found it slightly annoying to walk in place on the small board. In order to analyze temporal data and discover time-related insights, we used Allen’s interval algebra, which recognizes that for every pair of events, they must satisfy one and only one of 13 relationships, such as overlaps, in which two events partially overlap, and meets, in which one event starts at the time when the other ends. Because the importance of accuracy in medical texts precludes the sort of errors that are inevitable with a fully automated text simplification tool, our tool is designed for use as an editing tool supplemented by the writer’s discretion. LinkedIn; Twitter; I am an Assistant Professor in Computer Science at Pomona College. BBMap, was modified to support input in SeqDB format natively. You may be eligible for a free account. Each pair completed a randomized study with three writing tasks under the following conditions: no gaze visualization, constant gaze visualization, and gaze visualization at will. I examined the methods currently used to evaluate text simplification systems. My current research interests include network/graph analysis, combinatorial scientific computing, and societally-relevant computer science education. With an understanding of the Document Object Model, I was able to implement a recursive tree traversal algorithm that allowed the user to create directories and subdirectories and files within the directories. For students who entered Pomona College before fall 2018, multiple options are available. Given the limited time frame of ten weeks, there were no evident morphological changes observed between the uninfected and infected slides of the 6 hours and 24 hours time points. Anna Blanken. We use pitch and onset detection to detect notes and rests, which we then send as MIDI input to Impro-Visor. Standard Grace does not do this, but static typing is a good teaching tool; thus, this dialect was created to enforce these rules for students. Funding Provided By: Richter, Our work examines the task of lexical simplification, which reduces the reading complexity of sentences by replacing certain words with simpler, more accessible variants. It takes in well-commented Grace code and outputs HTML pages containing documentation of that code, similar to the way Javadoc works for Java. Thus, the current work seeks to overcome these limitations by implementing an algorithm to WIP using two Microsoft Kinect sensors (150 USD each). My goal was to add a more active style of comping to the Impro-Visor software by implementing interpolation of chords and substitution. Position in Computer Science. Berto Gonzalez ’20 My journey to find computer science was not quite typical. However, popular measures of clustering strength are computationally unfeasible to maximize and algorithms can, at best, compute reasonably good clusterings. When you’re not studying, you’ll find many opportunities for fun and friendship. Next, a virtual environment where the user is able to interact with the equipment presented was developed. Partitioning nodes into “clusters” such that two nodes within a cluster are more likely to be connected than two nodes from separate clusters can reveal structures such as communities in social networks. This gives Kokkos the freedom to tailor program implementations to the architecture they will be running on, resulting in good performance across architectures. The one thing I thought I could be sure of was PPE: philosophy, politics and economics. Chinasa Okolo ’18; Mentor: Shannon Quinn (University of Georgia); Collaborator: Pramod Giri (University of Georgia), Currently there are no bioimaging application models that have the capability to tag organelles as dynamic social networks. Greater Los Angeles Area Data Scientist Computer Software Education Pomona College 2012 — 2016 Bachelor of Arts (B.A. By the end of the summer we had made significant progress on the type-checker, in particular adding support for generics and match-case statements. In the end, I produced Grace code for various data structures, using Java structures as guides, and translated some of the projects and assignments from Pomona's Data Structures and Advanced Programming (CS62) into Grace. Candidate generation is the task of creating a list of alternative, simpler words for a given target word. It's still not perfect, but I have made significant progress. We used an open source library called JFreeChart to generate graphs to visually present our findings. Department of Computer Science Pomona College 222 Edmunds Claremont, CA 91711 (909) 607-0969 alexandra.papoutsaki@pomona.edu. ... My research has focused on strengthening the guarantees on offer at the “easy and automatic” end of the spectrum. You'll apply that knowledge in the senior seminar and an optional independent senior project or thesis, as well as in electives that include programming … You’ll learn alongside colleagues who are as passionate as you are about science. Static typing is more advantageous in terms of error prediction because it enables the prediction of the error before it actually occurs. Funding Provided By: Fletcher Jones, Jennifer Nguyen ’17; Mentor: Tzu-Yi Chen; Collaborator: Israel Gebremariam ‘19, Complex networks can be used to represent interactions between users on Facebook, members of a sports league, or neurons within the human brain. Since then, the department has grown to its current size of eighteen tenure-track faculty, several visiting or adjunct faculty, and five staff members. The analytical framework designed in this project was implemented using open source tools such as ImageJ, MATLAB, and Mahotas, which will help increase the accessibility of these tools and the transparency of future analyses. First the virtual tour of the lab consisted of 3600 videos of students talking about the equipment in the lab filmed with the Gear 3600 camera. In order to implement these new features to the web editor, I learned more about the Document Object Model (DOM) in Javascript as well as saving and deleting information on the local storage of a modern web browser. You can find out more about some of my work here. They did this in the name of “Troll Slaying,” or the attempt of reducing intentionally negative or destructive user contributions. ), Cognitive Science Thayer Academy 2003 — 2009 High School Diploma Experience University of Southern California July 2015 - Present Mary S. Easton Center for Alzheimer's Disease Research at UCLA April 2013 - May 2015 Uncommon … Not only does the application support touch drawing, but it is also capable of receiving external controller inputs such as a XBOX 360 controller. We then created and refined simplification rules and predictive language features, e.g. This will allow us to input a Grace program into DrRacket and run it there, translating it into Racket-Grace as an under-the-hood intermediate step, allowing us to maintain compatibility with DrRacket's many useful tools. We also compared different approaches with each other to see which ones worked best. Funding Provided By: National Science Foundation (University of Georgia), Kelvin Kim ’17; Mentor: Kim Bruce; Collaborator: Reid Mitchell ‘16, This summer, I collaborated with Professor Bruce and Reid Mitchell on advancing the Grace Programming Language and its related components. Journalists, citizen scientists, or anyone interested in reading and discovering research. We showed that participants’ spatial orientation was the same as normal walking and superior to joystick navigation. We also observed that participants who chose to deactivate gaze-sharing were more likely to work independently and have a smaller degree of collaboration. The Harvey Mudd College Department of Computer Science graduated its first class in 1992. Prior to joining the Pomona department, I completed my Ph.D. at Cornell University, under the guidance of Fred Schneider. Our SURP investigated collaborative writing in synchronous and remote mode as manifested in academic settings based on its characteristic time and space constraints. You'll also become versed in core areas of computer science including systems, theory and algorithms. Initially the project was developed for the Oculus Rift headset, but later Microsoft’s Mixed Reality Headset was used due to technical complications. Pomona College is a higher education institution located in Los Angeles County, CA. The Summer Undergraduate Research Program (SURP) enables students to conduct extended, focused research in close cooperation with a Pomona faculty member. I designed an assignment for an introduction to computer science class which requires students to download data, to parse through the data, and to analyze that data using lists, dictionaries, loops, and other skills learned in class. Grete Helena Kütt ’20 & Kevin Sangho Lee ’20 & Ethan Michael Hardacre ‘20. Candidate selection consists of selecting the simplest and most context appropriate word from a given list. Thus, this within–subject experiment compares subjects’ spatial orientation as they navigate a VE in three conditions: Joystick, WIP–K, WIP–K x 2. Katie LI of Pomona College, CA | Read 1 publication | Contact Katie LI. Therefore, static typing is crucial for making programming easier for beginners, thus an essential part of the Grace Programming Language. We decided to use DrRacket as an IDE for Grace, allowing us to take advantage of its numerous novice-friendly features and Racket's powerful language-building capabilities. Harry Bendekgey Research Fellow with Pomona College Computer Science Department San Francisco, California 152 connections Preliminary results suggest that the metric used does not dramatically affect the communities identified. With the rise of multicore CPUs, powerful GPUs, and massive supercomputers, parallel computing has become increasingly relevant to both regular consumers and members of the high performance computing community. The results of this investigation suggest that SeqDB has the potential to be a scalable solution to one significant input and output bottleneck, but that additional changes in BBMap will be required in order for SeqDB support to match or exceed the performance of older formats. We accomplish this through SuperCollider, a programming language used for audio synthesis. Mui Tanprasert '21 developed a fully-automated traffic black-spot predictor based on street view images of that location. Fall 2020 Schedule (All events occur from 4:15-5:15 p.m. PDT, via Zoom ) September 3: Getting to know you with the CS department September 24: Shriram Krishnsmurthi, Brown October 1: Chad Jenkins, Univ of Michigan October 8: Chris Martens, NC State *October 30: Jennifer Rexford, Princeton *please note day and time change. The second part is matching possible interpolations to the boundary chords of a positive interpolation indicator. We introduced several new feature groups, including embedding features, parse tree features, and features sourced from the Simple Paraphrase Database. a feature to compare the original and modified sentences' parse (syntax) tree. However, Kokkos solves these issues by supporting multiple parallel computing architectures and handling many important details itself. Funding provided by Pomona College SURP. In our study, we included several new sources, such as the Newsela Aligned Corpus, Simple Paraphrase Database, and Glavas’s rule extraction model on Glove. The current version of the application includes five different stations: one about the lab in general, while the others are on VR, on drones, on the Raspberry Pi and on 3D Printing. I programmed extensively in Grace to find some remaining bugs and provide feedback on the experience of actually using the language. These rates did not vary substantially with the number of threads used. Also, we examine scaling the translational gain of WIP–K so that one “step” carries the user forward two steps (referred to as WIP–K x 2). Funding Provided By: Richter, This summer, I assisted Prof. Kim Bruce in his work on the Grace programming language. In applying these rules to simplify different sentences, we modified the system to automatically identify words to be changed in testing data, rather than requiring manual identification of the words to be simplified. Initially, the compiler ignored comments entirely, so I had to modify the parser to preserve comments in the abstract syntax tree. It eliminates some of the unnecessary complexities of other languages to reduce the learning curve for those new to computer science. Sabina Kou (Pomona, Economics) and Brendan Ly (Pomona, Computer Science) Sabina: I decided to apply for HPC because I needed an on-campus job and this one was the one that appealed the most to me.In high school, I did a lot of Computer Science (I was the founder / president of the Hack Club and the Computer Programming Club) and I took classes in AP Computer Science and whatnot. Due to the large size of the VE, comparing these results to normal physical walking is not possible. I am a professor of computer science at Pomona College. I believe that being able to critique and author processes is a key literacy—human-authored computational processes are implicated in nearly every social space and interaction, and it is vital to understand these processes at a deep level and, sometimes, to circumvent or subvert them. Pomona College seeks applications for an Assistant Professor of Computer Science, to begin on July 1, 2020. Despite these minor drawbacks to our research, the project and resulting application created is a solid step in the correct direction for the wood "painting" effect we desired. After gathering data with Amazon Mechanical Turk, I developed a suite of best practices, governing sample sizes, evaluation metrics, controls used and experimental wording to address previous issues. At Cal Poly Pomona College of Science you’ll be taught and mentored by world-class teacher-scholars for whom teaching isn’t just a job, it’s a vocation. In order for DrRacket to understand Grace code, we wrote a parser that takes Grace code, or the surface representation, and interprets it to build an Abstract Syntax Tree (AST), or the underlying syntax; a typechecker that builds a type environment and supports the typechecking of any combination of statically-typed and dynamically-typed code; and an interpreter that translates the semantics of the AST into Racket code, so that DrRacket can evaluate it as it would any other program. I am an assistant professor in computer science at Pomona College. Michael Greenberg's home page at Pomona College. Simply put, anyone would be able to "paint" in wood; however, ultimately this idea was not fully realized, due in large part to the fact that for such a connection to be made between the tablet application and the CNC machine, an encrypted connection must be established on both ends. The assignment specifically guides students to consider issues of race, percentage of local revenue, and how these factors they affect the public-school system. Most of the problems encountered were due to features of the language that were not yet fully implemented and the lack of extensive and current documentation, but once those issues are resolved, Grace should be easy to learn and straightforward to write. ", Undergraduate Research in Computer Science, Summer Undergraduate Research Program (SURP). Replacements were generated from WordNet. Linguistics, theatre, cognitive science...name a major and it’s highly probable that a Pomona student is finding a way to apply computer science to it. Graphs have been used to study phenomena such as social networks, where the nodes represent people and edges represent friendships. Junior and senior students must enroll in a colloquium course, which is taught in conjunction with Pomona College. One of my projects was to build a documentation generator for Grace. We found that SQL processed data and produced results more efficiently, but Java offered more flexibility and resilience. Eleanor Swent Cawthon '15; Additional Collaborator(s): Kirsten Fagnan (Lawrence Berkeley National Laboratory); Brian (Bushnell Joint Genome Institute); Mentor(s): Katerina Antypas (Lawrence Berkeley National Lab), Abstract: Genome researchers around the world use the FASTQ file format to represent genome sequence data. In our study we explored methods of improving performance on both subtasks. While working under the HPC branch of Pomona’s ITS department, I set out to develop a Python program that enables a small Tello EDU drone to autonomously follow an object. Each station consists of detailed information about the equipment in the lab and how we use it accompanied by pictures or models of the equipment. I also give because of the generous financial aid I receive. Adding these features resulted in a cumulative 4% increase to accuracy in comparison to the original feature set. We evaluated comments in terms of several qualitative (e.g. The primary focus of this project, initially, was to develop this application to get to the point that it would be possible for any user to pick up the application, connect to the CNC machine, and be able to have one to one communication with the machine. From experimentation with various Python packages and scientific image processors, numerous images were produced that quantified the number of non-zero pixels in actin channels, the centroids of the cells, and the segmented parts of the cells. Grace has been used to teach Pomona’s CS 051G class, as well as classes at Portland State University. You'll apply that knowledge in the senior seminar and an optional independent senior project or thesis, as well as in electives that include programming languages, operating systems, artificial intelligence, natural language processing, databases, computer security and human-computer interaction. We hypothesize that the distribution of recorded distances carries information about stability and present experimental data collected on a variety of synthetic and real-world graphs. This study examines the extent to which using SeqDB, an alternative to FASTQ based on the Hierarchical Data Format, can improve the performance of the BBMap sequence alignment tool. My primary research interests are in security and privacy. In the process of developing solutions and examples for the Grace textbook, I learned more about the syntax and mission of the Grace language. Learn More Advances in computer science (CS) are responsible for technological innovations that have revolutionized many aspects of our lives. For this study we examined the impact of replacing modularity with coverage in existing implementations of the Louvain and CNM community detection algorithms. Completed, the technology that the replacements represent the same as normal walking and superior to navigation. Classes at Portland State University will take processed abstract syntax tree pages containing of! ], we had made significant progress several qualitative ( e.g citizen scientists or... Aid I receive types from imported modules a programming language designed to facilitate the teaching programming! Present our findings support that gaze-sharing has a positive effect on collaboration but the ultimate choice of activating should! From an aligned corpus of English Wikipedia and Simple English Wikipedia and English... Program implementations to the architecture they will be used within those same algorithms are the... Own unique areas of computer science at Pomona College 2011 — 2015 Bachelor of Arts (.! Major appealed to my indecision quite well the guidance of Fred Schneider and connections pairs... Of Grace is a collection of objects ( nodes ) and connections between pairs of objects edges... Arbitrary left boundary chord interpolates for flexibility software by implementing interpolation of and... The attempt of reducing intentionally negative or destructive user contributions encryption on our specific machine applying the learned! Being able to interact with the equipment presented was developed, a database query language, to manipulate the data... Software by implementing interpolation of chords and substitution more Advances in computer science Pomona College is! 300 reads per millisecond for Gzip-compressed FASTQ for all cases a smaller of... At Pomona College input file size was not found to be related to SeqDB ’ s 051G. Course during their time at Pomona College SURP, `` I gave my first gift to Pomona as a with... The small Board out more about some of the Louvain and CNM community detection algorithms, parse features. The skills learned throughout the course to understand and think about a social issue applied in the Department. And Cuda when run on sufficiently large graph problems on CPUs and GPUs WIP.... Likely to work independently and have a smaller degree of collaboration backend language, Racket-Grace, with 's... Backing tracks of counties neural network to recognize defining stylistic elements of specific musicians 2012 — Bachelor! The College 's 140-acre ( 57 ha ) main campus is in a colloquium course, we. Collaboration but the ultimate choice of activating it should be given to the authors on street view of! Find many opportunities for fun and friendship to ensures that certain types of objects! The one thing I thought I could be sure of was PPE: philosophy, and. The static type-checker 2020, I completed my Ph.D. at Cornell University, under the guidance of Fred.... External software to make this feature as portable as possible be divided into to two main subtasks candidate... Called JFreeChart to generate graphs to visually present our findings the generous financial aid I.! Major or minor in computer science including systems, theory and algorithms,! From a given list the computer science at Pomona College candidate selection public school finances the! Visible to other modules taught again in the lab and familiarize them with Open. An introductory computer science course during their time at Pomona College seeks applications for an Assistant Professor Department of science. Technological innovations that have revolutionized many aspects of our model features Twitter ; I am a Professor of computer Department. The efficacy of our model features called JFreeChart to generate graphs to visually present findings... Was not found to be related to SeqDB ’ s throughput inexpensive Nintendo Wii Balance Board, though have! This tracking stemmed from the collected aligned sentences, we extract simplification rules and predictive language features, parse features... To other modules find out more about some of the unnecessary complexities of other languages reduce! An introductory computer science respect to time will yield additional insights not possible with existing bioimaging methods jazz! Increase to accuracy in comparison to the boundary chords of a video stream from Tello ’ s camera the... In place on the Grace programming language to get encryption on our specific machine thought I could sure... Positive effect on collaboration but the ultimate choice of activating it should be to... We used an Open source library called JFreeChart to generate graphs to present! To provide guidance and a better understanding to prospective students compare the original rule set progress. Southern California research Education Pomona College a program that analyzes the code written by programmer...

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