21 December 2009

Questions we are working on

  • Can geometric algorithms draw networks at least as beautifully as humans are able? How can we make this ability available to thousands of applications?
  • Is it practical to visually explore huge networks? Can we browse them directly? Can we run queries on large networks to extract concise subgraphs that explain interesting relationships?
  • How can we visualize a billion transactions? How should we engineer systems that provide near-instantaneous access to overviews, mid-level views, and individual records?
  • How can we extract accurate 3D models from live 2D video streams? What services can we create from that?
  • Can we use 3D graphics processors and clusters to improve the performance of algorithms for large-scale data analysis and optimization?
  • Could we make it much easier to analyze large-scale data sets by combining the best of databases, statistical tools, and visualization in one system?

Background

The Information Visualization Research department contributes practical techniques for visually exploring and understanding large, complex data sets. We are particulaly interested in problems that are technically difficult due to scale, dimensionality, or complexity of geometric representation. We place a priority on implementing our work in software components. Beyond this, we are also experimenting with applications and interfaces for wall-sized digital displays, which are increasingly important for collaboration and communication using visualization. We also recently started a new minilab for work in the integration of 3D graphics with realtime video, especially in multiple viewpoint camera setups.

Some current projects include methods for visualizing internet topology data; rendering clustered networks (such as media recommendations) as geographic maps; GPU programming for high performance computing and video processing; collaboration on a scalable focus+context approach to displaying and exploring large sets of time series; a software system that manages over 100,000 servers and routers with visual querying for data access and exploration.

Research Environment

Information Visualization is part of the Information, Software and Systems Research Lab (ISSRL) in AT&T Labs Research. ISSRL, in partnership with the Internet and Network Systems Research Lab supports the InfoLab, a multi-disciplinary collaboration to find new ways of turning massive data sets into useful information, supporting effective technical and business decision-making. Infolab researchers include computer scientists, software and database specialists, statisticians and domain experts.

Our culture emphasizes research excellence, practical impact, self-motivation in defining research projects and setting goals, and opportunities for close collaboration with experts in related fields of computer science and mathematics. The lab strives for a balance between science and applications. Software skills are highly appreciated.

Beyond the professional environment itself, one of the main attractions in working here is access to some of the world's largest networks and services (through AT&T and its partners) as a source of experimental data and research testbed.

The ISSRL is home to many experts in areas of computer science, including several ACM, IEEE and AT&T Fellows.

A sample of local research areas and experts includes:

Statistics Research: Rick Becker, Bob Bell, Parni Dasu, Debby Swayne, Chris Volinsky, Simon Urbanek, Allan Wilks, Mike Wish

Internet and Information Security Research: Nick Duffield, Bala Krishnamurthy, Carsten Lund, Walter Willinger, Jennifer Yates

Algorithms and Optimization Research: David Applegate, David Johnson, Howard Karloff, Mauricio Resende, Neil Sloane

Database Research: Graham Cormode, Rick Greer, Marios Hadjieleftheriou, Ted Johnson, Flip Korn, Divesh Srivastava

Software Research: Mary Fernandez, Kathleen Fisher, Bjarne Stroustrup, Elaine Weyuker, Pamela Zave

Systems Research: Robin Chen Glenn Fowler, Andrew Hume, Dave Korn, Rick Schlichting, Phong Vo



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