The University of Arizona

Events & News

Research Colloquia

Computer Science Colloquia are public presentations of research activity. Announcements are posted to the cs-colloq mailing list.

Unless otherwise noted, colloquia are held at 11:00 AM in room 906 of the Gould-Simpson Building. Refreshments are served in the ninth floor observatory in the preceding quarter hour, allowing students and faculty to visit with speakers on an informal basis.


Coming Colloquia


Earlier This Academic Year


Thursday, November 17 (11:00 am, ENR2, Agnese Nelms Haury Lecture Hall, S107):
Stephen North, Ph.D., Ph.D., Infovisible
Human-Centered Information Visualization in Practice

Thursday, November 3 (11:00 am, Gould-Simpson 906):
Mathias Payer, Ph.D., Purdue University
Memory Corruption: Why Protection is Hard

Thursday, October 27 (11:00 am, Gould-Simpson 906):
Ming Li, Ph.D., Dept. of Electrical and Computer Engineering - UA
Geometric Range Search over Encrypted Spatial Data

Tuesday, October 11 (11:00 am, Gould-Simpson 906):
Nathan Dautenhahn, Ph.D., Dept. of Computer and Information Science, University of Pennsylvania
Protection in Commodity Operating Systems

Thursday, September 29 (11:00 am, Gould-Simpson 906):
Matt Berger, Ph.D., Air Force Research Laboratory
Exploring Document Collections through Document Usage

Tuesday, July 5 (11:00 am, Gould-Simpson 906):
Luca Del Pero , Ph.D., Computer Vision Researcher at Blippar
Discovering the physical parts of an articulated object class from multiple videos

Wednesday, June 8 (10:30 am, Gould-Simpson 906):
Tomofumi Yuki, Ph.D., Researcher, Inria, CompSys team in the LIP
Optimizing Compilers in High-Level Synthesis

Thursday, May 5 (11:00 am, Gould-Simpson 906):
Eun Kyoung Choe and Bongshin Lee, Ph.D.s, Penn State’s College of Information Sciences & Technology and Microsoft R
Empowering People to Improve Their Lives Leveraging Self-Tracking Data

Tuesday, April 12 (11:00 am, Gould-Simpson 906):
Chris Wilcox, Ph.D., Colorado State University
Redesigning Our Introductory CS1 and CS2 Courses

Thursday, March 3 (11:00 am, Gould-Simpson 906):
Bei Wang, Ph.D., Research Scientist, Scientific Computing and Imaging Institute, Univ Utah
Understanding the Shape of Data with Topological Data Analysis and Visualization: from Vector Fields to High-Dimensional Point Clouds

Tuesday, March 1 (11:00 am, Gould-Simpson 906):
Peng (Ryan) Huang, Ph.D. Candidate, UC San Diego
Toward Understanding and Dealing with Failures in Modern Systems

Tuesday, February 23 (11:00 am, Gould-Simpson 906):
Kyle C. Hale, Ph.D. Candidate, Northwestern University
Rethink the Kitchen Sink: Experimental Systems for Exascale and Any Scale

Thursday, February 18 (11:00 am, Gould-Simpson 906):
Vincent Liu, Ph.D. Candidate, University of Washington
Improving the Cost and Reliability of Data Center Networks

Wednesday, February 17 (11:00 am, Gould-Simpson 701):
Peter Clark, Senior Research Manager, Allen Institute for Artificial Intelligence
From Information Retrieval towards Knowledgeable Machines

Tuesday, February 16 (11:00 am, Gould-Simpson 906):
Adam Bates, Ph.D. Candidate, University of Florida
Designing and Leveraging Trustworthy Provenance-Aware Architectures

Tuesday, February 9 (11:00 am, Gould-Simpson 906):
Frederico Araujo, Ph.D. Candidate, The University of Texas at Dallas
"Engineering Cyber-Deceptive Software"

Thursday, February 4 (11:00 am, Gould-Simpson 906):
Ymir Vigfusson, Ph.D., Assistant Professor of Mathematics and Computer Science at Emory University
Dynamic Performance Profiling of In-Memory Caches

Tuesday, February 2 (11:00 am, Gould-Simpson 906):
Liting Hu, Ph.D. Candidate, College of Computing at Georgia Tech
ELF: Efficient Lightweight Fast Stream Processing at Scale

Thursday, January 28 (11:00 am, Gould-Simpson 906):
Jeffrey Shallit, Ph.D., Computer Science Department, University of Waterloo
Automatically Proving Theorems in Combinatorics on Words Using a Computer

Friday, January 22 (11:00 am, Gould-Simpson 942):
Danyel Fisher, Ph.D., Researcher - Microsoft
Why Exploring Big Data Is Hard (and What We Can Do About It)

Tuesday, January 19 (11:00 am, Gould-Simpson 906):
Hank Childs, Ph.D., University of Oregon and Staff Scientist at Lawrence Berkeley National Labo
Exascale Computing, Flow Visualization, and Data Exploration: A Strategy for Achieving All Three

Tuesday, November 3 (11:00 am, Gould-Simpson 906):
Nathalie Henry Riche, Ph.D., Microsoft Research
Designing Interfaces for Human-Data Interaction

Thursday, October 8 (11:00 am, Gould-Simpson 906):
Victoria Stodden, Ph.D., Associate Professor, Graduate School of Library and Information Science, University of Illinois at Urbana-Champaign
Resolving Reproducibility in Computational Science: Tools, Policy, and Culture

Wednesday, October 7 (9:30 am, Gould-Simpson 701):
Paul Hovland, Ph.D., LANS Director and Senior Computer Scientist, Argonne National Laboratory
Program Analysis and Transformation for Scientific Computing

Tuesday, September 22 (11:00 am, Gould-Simpson 906):
Micha Sharir, Ph.D., Tel-Aviv University
Algebraic Techniques in Geometry: the New Revolution

Thursday, April 9 (11:00 am, Gould-Simpson 906):
Ken Shirriff, Ph.D.
A Programmer Examines Bitcoin

Thursday, March 5 (11:00 am, Gould-Simpson 906):
Kisung Lee, PhD Candidate, School of Computer Science, Georgia Tech
Scalable Big Graph Data Processing

Tuesday, March 3 (11:00 am, Gould-Simpson 906):
Jean Honorio, Ph.D., Massachusetts Institute of Technology
Learning Structure from Data: Applications, Algorithms, Statistical Efficiency and General Frameworks

Tuesday, February 24 (11:00 am, Gould-Simpson 906):
Jiayu Zhou, PhD, Samsung Research America
Multi-Task Learning and its Applications to Biomedical Informatics

Thursday, February 19 (11:00 am, Gould-Simpson 906):
Yiying Zhang, PhD., Dept. Computer Science & Engineering, University of California, San Diego
Rethinking Storage Vertically

Tuesday, February 17 (11:00 am, Gould-Simpson 906):
Kai-Wei Chang, Ph.D Candidate in Computer Science, University of Illinois at Urbana-Champaign
Practical Learning Algorithms for Structured Prediction Models

Tuesday, February 10 (11:00 am, Gould-Simpson 906):
Sadia Afroz, PhD, University of California, Berkeley
Anonymity in the Big Data Era

Thursday, February 5 (11:00 am, Gould-Simpson 906):
Michael Chang, M.S., Stanford University
Implementing Maps in a Hash Table

Tuesday, February 3 (11:00 am, Gould-Simpson 906):
Joseph J. Pfeiffer, III, M.S., Purdue University
Learning and Sampling from Scalable Generative Graph Models

Friday, January 23 (11:00 am, Gould-Simpson 906):
Marina Barsky, PhD, Ontario Institute of Cancer Research
Memory-Based Reasoning, Neighbours and Recommendations

Tuesday, January 20 (11:00 am, Gould-Simpson 906):
Katherine Isaacs, PhD, University of California, Davis
Visualizations for Understanding Performance in Large-Scale Parallel Applications

Thursday, January 15 (11:00 am, Gould-Simpson 906):
Michelle Mills Strout, PhD, Colorado State University
The High Performance Computing Juggling Act

Tuesday, January 13 (11:00 am, Gould-Simpson 906):
Qiyam Tung, PhD, University of Arizona
An Introduction to AVL Trees

Thursday, January 8 (11:00 am, Gould-Simpson 906):
Rachel Baumann, M.S. Candidate, University of Arizona
An Introduction to Hashing

Tuesday, January 6 (11:00 am, Gould-Simpson 906):
Russell Lewis, PhD Candidate, University of Arizona
An Introduction of Virtual Memory

Thursday, December 4 (11:00 am, Gould-Simpson 906):
Will Evans, Associate Professor, Department of Computer Science, University of British Columbia
Competitive Query Strategies for Minimising Ply of the Potential Locations of Moving Parts

Thursday, November 20 (11:00 am, Gould-Simpson 906):
Anna Ritz, PhD, Virginia Tech
Signaling Hypergraphs

Tuesday, November 18 (11:00 am, Gould-Simpson 906):
Yusu Wang, Professor, Ohio State University
Analysing Biological Data Via Topological Terrain Metaphors

Thursday, November 6 (11:00 am, Gould-Simpson 906):
Lev Reyzin, Assistant Professor, Dept of Mathematics, Statistics, & Computer Science, University of Illinois
Statistical Algorithms and the Planted Clique Problem

Tuesday, October 28 (11:00 am, Gould-Simpson 906):
Jie Gao, Associate Professor, Department of Computer Science, Stony Brook University
Angle Preserving and Area Preserving Maps for Wireless Sensor Networks

Tuesday, October 21 (11:00 am, Gould-Simpson 906):
Fan Ye, Ph.D., Stony Brook University
Towards Ubiquitous Indoor Localization Coverage for the Planet

Tuesday, October 7 (11:00 am, Gould-Simpson 906):
Katy Borner, Indiana University
Designing Multi-Scale Maps of Science and Technology

Thursday, September 25 (11:00 am, Gould-Simpson 906):
Ravi Sethi, Professor, Department of Computer Science, University of Arizona
Customer Quality Improvement of Software Systems

Tuesday, September 16 (11:00 am, Gould-Simpson 906):
Daniel Fried, University of Arizona
Analyzing the Language of Food on Social Media

Thursday, September 11 (11:00 am, Gould-Simpson 906):
Thienne Johnson & Joe Fowler, Research Associates, Department of Computer Science
IMap: Visualizing Network Activity over Internet Maps

Thursday, August 28 (11:00 am, Gould-Simpson 906):
Guy Grebla, Colombia University
Scheduling Algorithms & Kinetic Energy Harvesting for the Internet of Things

Tuesday, August 5 (1:00 pm, Gould-Simpson 701):
Aniruddha Marathe, Ph.D. Candidate, Computer Science
Dissertation Defense
Evaluation & Optimization of Turnaround Time & Cost of HPC Applications on the Cloud

Tuesday, May 20 (9:00 am, Gould-Simpson 906):
Cheng Yi, Ph.D. Candidate, Computer Science, University of Arizona
Ph.D. Dissertation Defense
Adaptive Forwarding in Named Data Networking

Monday, May 12 (3:00 pm, Gould-Simpson 942):
Guy Lohman, Manager, Disruptive Information Management Architectures,IBM Almaden Research Center
DB2 with BLU Acceleration: So Much More than Just a Column Store

Friday, May 9 (1:30 pm, Gould-Simpson 701):
Enrique Noriega Atala, Master of Science Candidate, Computer Science, University of Arizona
MS Thesis Defense
An Evaluation Framework for Adaptive Rational User Interfaces

Thursday, May 8 (9:00 am, Gould-Simpson 701):
Illyoung Choi, Master of Science Candidate, Computer Science, University of Arizona
MS Thesis Defense
H-Synthesizer: Analyzing Large-Scale Sequence Data in the Cloud

Thursday, May 8 (8:00 am, Gould-Simpson 701):
Binil Benjamin, Master of Science Candidate, Computer Science, University of Arizona
MS Thesis Defense
Towards a Cloud Based Interactive System for Genomic Data Analysis

Wednesday, April 30 (9:00 am, Gould-Simpson 1027):
Anh Tran, Doctorial Candidate, Computer Science, University of Arizona
Dissertation Defense
Identifying Latent Attributes from Video Scenes Using Knowledge Acquired from Large Collections of Text Documents

Tuesday, April 29 (3:30 pm, Gould-Simpson 701):
Jeremy Wright, Ph.D. Candidate, Computer Science, University of Arizona
CS Dissertation Defense
Acquiring the Syntax and Semantics of Spatial Referring Expressions

Thursday, April 24 (2:00 pm, ECE 530):
Dr. Keshab K. Parhi, Professor, Department of Electrical & Computer Engineering, University of Minnesota
Biomarkers & Brain Connectivity for Neurological & Psychiatric Disorders

Thursday, April 17 (11:00 am, Gould-Simpson 906):
Ivo Vigan, Ph.D. Candidate, Graduate Center of CUNY
Packing and Covering a Polygon with Geodesic Disks

Tuesday, April 15 (11:00 am, Gould-Simpson 906):
Dr. Martin Schulz, Computer Scientist, Center for Applied Scientific Computing, Lawrence Livermore National Lab
Performance Analysis Techniques for the Exascale Co-Design Process

Thursday, April 10 (11:00 am, Gould-Simpson 906):
Michael Kaufmann, Professor, University of Tubingen, Germany
On Slanted Orthogonal Graph Drawing

Thursday, March 27 (11:00 am, Gould-Simpson 906):
Dr. Amir Houmansadr, University of Texas at Austin
The Cyberspace Battle for Information: Combating Internet Censorship

Tuesday, March 25 (11:00 am, Gould-Simpson 906):
Matt Dickerson, Professor, Middlebury College
The Post Office Problem, Practically (For When You Drive On Roads & Visit Grocery Stores Too)

Tuesday, March 4 (11:00 am, Gould-Simpson 906):
Tamara Denning, PhD Candidate, University of Washington
Human-Centered Computer Security: Beyond the Desktop

Tuesday, February 25 (11:00 am, Gould-Simpson 906):
Adam Doupe, PhD Candidate, Computer Science, University of California - Santa Barbara
Automated Approaches for Security Testing of Web Applications: Bug Finding in the Ever-Changing Web

Thursday, February 20 (11:00 am, Gould-Simpson 906):
Michelle Goodstein, PhD Candidate, Carnegie Mellon University
A New Framework for Analyzing Parallel Programs at Runtime

Tuesday, February 18 (11:00 am, Gould-Simpson 906):
Yifan Hu, AT&T Labs
Visualizing Streaming Text Data with Dynamic Maps

Friday, February 14 (11:00 am, Gould-Simpson 906):
Sam H. Noh, Professor, School of Computer & Information Engineering, Hong-Ik Univ, Seoul Korea
An Overview of Emerging New Memory Technologies and Their Implication on System Software

Tuesday, February 11 (11:00 am, Gould-Simpson 906):
Michael Goodrich, Chancellor's Professor & Department Chair, Computer Science, University of California-Irvine
Combinatorial Pair Testing: Distinguishing Workers from Slackers

Monday, February 3 (10:00 am, Gould-Simpson 701):
Dr. Jo Ueyama, Associate Professor, University of Sao Paulo, Brazil
Towards a Smarter Wireless Sensor Networks, UAVs and Smartphones: Our Experiences in Sao Paulo, Brazil

Tuesday, January 28 (11:00 am, Gould-Simpson 906):
Carlos Scheidegger, AT&T Labs-Research
How do you look at a Billion Data Points? - An Exploratory Visualization for Big Data

Thursday, January 16 (11:00 am, Gould-Simpson 906):
Ross Maciejewski, Assistant Professor, Arizona State University
Enabling Predictive Analytics Through Visualization

Monday, January 6 (9:30 am, Gould-Simpson 906):
Gen Lu, PhD Candidate, Computer Science
Doctorial Defense

Friday, December 13 (10:00 am, Gould-Simpson 906):
Ernesto Brau Avila, PhD Candidate, Computer Science
Doctorial Defense
Bayesian Data Association for Tracking in World Coordinates

Tuesday, December 10 (11:00 am, Gould-Simpson 906):
Carlos Scheidegger, AT&T Labs-Research
How do you look at a billion data points? - An Exploratory Visualization for Big Data

Thursday, November 21 (11:00 am, Gould-Simpson 906):
John Stasko, Professor & Associate Chair, School of Interactive Computing, Georgia Institute of Technology
The Value of Visualization for Exploring and Understanding Data

Tuesday, November 12 (11:00 am, Gould-Simpson 906):
Michael J. Carey, Bren Professor, Information & Computer Sciences, UC Irvine
AsterixDB: Introducing Big Data Management 2.0

Thursday, October 10 (11:00 am, Gould-Simpson 906):
Ali R. Butt, Associate Professor, Computer Science, Virginia Tech
On Using Simulations to Evaluate MapReduce Cluster Design

Tuesday, September 17 (11:00 am, Gould-Simpson 906):
Paolo Simonetto, Postdoctoral Research Associate I, Computer Science
Visualisation of Overlapping Sets & Clusters with Euler Diagrams