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CSLI Calendar, 5 April 2000, vol. 15:25
C S L I C A L E N D A R O F P U B L I C E V E N T S
______________________________________________________________________
5 April 2000 Stanford Vol. 15, No.25
______________________________________________________________________
A weekly publication of the
Center for the Study of Language and Information (CSLI)
Stanford University, Ventura Hall, Stanford, CA 94305-4115
____________
ACTIVITIES FROM 5 APRIL TO 14 APRIL 2000
WEDNESDAY, 5 APRIL
4:00pm GEOMETRIC ANALYSIS SEMINAR
Building 380:381T
Holomorphic Connections and Lagrangian Cycles
Jingyi Chen
University of British Columbia
http://math.stanford.edu/html/seminars.html
4:15pm Broad Area Colloquium For
AI-Geometry-Graphics-Robotics-Vision
TCseq201, Lecture Hall B
How Common Sense Might Work
Kenneth D. Forbus
Qualitative Reasoning Group
Northwestern University
http://robotics.stanford.edu/ba-colloquium/
Abstract below
4:15pm Computer Systems Laboratory Colloquium
Gates Computer Science Building: B03 (NEC Auditorium)
Identity in a Networked World
Pierluigi Zappacosta and Vance Bjorn
Digital Persona Inc.
http://www.stanford.edu/class/ee380
Abstract below
4:15pm CS531: SCCM Seminar
Gates B12
Grobner Bases
Bernd Sturmfels
UC Berkeley, Department of Mathematics
http://www-sccm.stanford.edu/nflash/nf-seminars.html
THURSDAY, 6 APRIL
3:15pm Stanford Learning Lab Presentation
Press Warehouse, Press Staff Training Room
Program on the Professions: Study of
Engineering Education
Sheri Sheppard
Senior Researcher, Carnegie Foundation for the
Advancement of Teaching and Associate Professor,
Stanford University
http://sll.stanford.edu/speakers/spr00.html
4:00pm Xerox PARC Forum
George Pake Auditorium at Xerox PARC
Characters Everywhere
Barbara Hayes-Roth
Computer Science Department, Stanford &
Extempo Systems, Inc.
http://www.parc.xerox.com/forum
Abstract below
4:15pm Mathematics Colloquium
Building 380:380W
Counting Periodic Orbits in Billiards and
Flat Surfaces
Howard Masur
University of Illinois
http://math.stanford.edu/html/seminars.html
4:15pm Seminar on Computational Learning and Adaptation
Cordura 100
Exploring Analogy in the Large
Kenneth D. Forbus
Qualitative Reasoning Group
Northwestern University
http://www-csli.stanford.edu/events/
Abstract below
4:15pm Stanford Algorithms Seminar
Gates Building 498
Approximate Sequence Nearest Neighbors
S. Cenk Sahinalp
Case Western
http://Theory.Stanford.EDU/~aflb/
Abstract below
4:15pm US Japan Technology Management Center
Skilling Auditorium
The Tera Era
Waguih Ishak
Agilent Technologies Labs
http://fuji.Stanford.edu/seminars/spring00/
Abstract below
FRIDAY, 7 APRIL
12:15pm CSLI CogLunch Seminar
Cordura 100
Qualitative Physics as a Language for
Cognitive Modeling
Kenneth D. Forbus
Qualitative Reasoning Group
Northwestern University
http://www-csli.stanford.edu/events/
Abstract below
12:30pm CS547: Stanford Seminar on People, Computers,
and Design
Gates B03 (NEC Classroom)
Spoken User Interfaces
Robert Carpenter
SpeechWorks International
http://pcd.stanford.edu/seminar
Abstract below
2:00pm US Japan Technology Management Center
Encina Hall
Third floor, South Wing
Entrepreneurship in Asia
Various Speakers
http://fuji.stanford.edu/staff/rdasher.html
Abstract below
3:00pm Applied Math Seminar
Building 380:380C
Fictitious Domains, Mixed Finite Elements and
Perfectly Matched Layers for Elastic Wave Propagation
Chrysoula Tsogka
Stanford University
http://math.stanford.edu/html/seminars.html
3:15pm Infolab Seminar
201 T-Seq
Analytic Functions in Oracle 8i
Abhinav Gupta
Oracle
http://www-db.stanford.edu/dbseminar/dbseminar.html
3:30pm Linguistics Colloquium
Building 460:126
Linguistics Methodology Meets Language Reality:
The Quest for Robustness, Scalability and Portability
in Building (Spoken) Language Applications
Robert Carpenter
SpeechWorks International
http://calendus.stanford.edu/linguistics-colloquia/
Abstract below
MONDAY, 10 APRIL
4:00pm Computer Science Seminar
CIS Extension:101
Static Analysis and Computer Security:
New Techniques for Software Assurance
David Wagner
UC Berkeley
http://campus-calendar.stanford.edu/CS/
Abstract below
4:15pm CS531: SCCM Seminar Series
Gates:B12
Ritz and Harmonic Ritz Approximations
Henk van der Vorst
Mathematical Institute, Utrecht University
http://www-sccm.stanford.edu/nflash/nf-seminars.html
WEDNESDAY, 12 APRIL
12:00pm Developmental Brownbag Lecture
Jordan Hall:286
The Preadolescent Heterosexual Market and
the Emergence of a Peer-Based Social Order
Penelope Eckert
Stanford University
http://matia.stanford.edu/html/talks.html#frisem
12:45pm Stanford Networking Seminar
Room 150, McCullough Building
Mobile IP and Cellular Telephony
Charles E. Perkins
Nokia Research Laboratories
http://netseminar.stanford.edu/
4:15pm Broad Area Colloquium For
AI-Geometry-Graphics-Robotics-Vision
TCseq201, Lecture Hall B
The Toy Robots Initiative: Educational and
Interactive Robotics
Illah R. Nourbakhsh
Assistant Professor of Robotics
The Robotics Institute, Carnegie Mellon University
http://robotics.stanford.edu/ba-colloquium/#Schedule
Abstract below
4:15pm EE380: Computer Systems Laboratory Colloquium
Gates B03 (NEC Auditorium)
A Pseudonymous Communications Infrastructure for
the Internet
Ian Goldberg
Chief Scientist and Head Cypherpunk
Zero-Knowledge Systems
http://www.stanford.edu/class/ee380/
Abstract below
THURSDAY, 13 APRIL
12:00pm Award-Winning Teachers on Teaching Presentation
Hartley Conference Ctr,
Mitchell Earth Sciences Building
Teaching by the Case Method
Mary Barth
Stanford University
http://www-ctl.stanford.edu/events.html
4:15pm US Japan Technology Management Center
Skilling Auditorium
CyberDisplay: Revolutionary Displays for
Portable Products
Dr. John Fan
President, Chairman & Founder, Kopin Corporation
http://fuji.Stanford.edu/seminars/spring00/
FRIDAY, 14 APRIL
12:30pm CS547: Human-Computer Interaction Seminar
Gates B03
Wearable Computers and their HCI Issues
Vaughan Pratt
Stanford University
http://www-pcd.stanford.edu/cs547/
3:15pm Infolab Seminar
201 T-Seq
XML and e-commerce
Jon Bosak
Sun Microsystems
http://www-db.stanford.edu/dbseminar/dbseminar.html
3:30pm Semantics and Pragmatics Lecture
Building 460:126
Discovering the Sounds of Discourse Structure
Barbara Grosz
Harvard University
Why Dynamic Semantics Needs Discourse Structure
Alex Lascarides
University of Edinburgh
http://www-linguistics.stanford.edu/Linguistics
____________
ANNOUNCEMENT
Stanford University presents the
CSLI Distinguished Lecture Series in Cognitive Science
Ken Forbus, Northwestern University
The Center for the Study of Language and Information presents a
lecture series designed to increase interaction among cognitive
scientists at Stanford and in the surrounding community. This lecture
series will bring to campus for multiday visits senior researchers
over the course of spring quarter.
April Speaker:
Kenneth D. Forbus
Qualitative Reasoning Group
Northwestern University
Ken Forbus is a Professor of Computer Science and Education in the
Qualitative Reasoning Group. Before coming to Northwestern, Professor
Forbus was the head of the Artificial Intelligence group at the
Beckman Institute at the University of Illinois at
Urbana-Champaign. Professor Forbus received his Ph.D. from MIT in
1984 in Artificial Intelligence, received an NSF PYI award in 1987,
and was elected a AAAI Fellow in 1992. His interest in the
construction of intelligent tutoring systems and learning environments
stems in part from his experience working on the STEAMER Project at
Bolt, Beranek, and Newman in the 1980s.
for further information, browse to:
http://www-csli.stanford.edu/events/Lectures/lectures.shtml
____________
BROAD AREA COLLOQUIUM FOR
AI-GEOMETRY-GRAPHICS-ROBOTICS-VISION
on Wednesday, 5 April 2000, 4:15pm
TCseq201, Lecture Hall B
http://robotics.stanford.edu/ba-colloquium/
How Common Sense Might Work
Kenneth D. Forbus
Qualitative Reasoning Group
Northwestern University
This talk describes how a combination of analogical and
first-principles reasoning, relying heavily on qualitative
representations, might provide a computational model of common sense
reasoning. I discuss some of the psychological and computational
support for this approach, and illustrate how it can be used in
building new kinds of applications, including educational software.
____________
COMPUTER SYSTEMS LABORATORY COLLOQUIUM
on Wednesday, 5 April 2000, 4:15pm
Gates Computer Science Building: B03 (NEC Auditorium)
http://www.stanford.edu/class/ee380
Identity in a Networked World
Pierluigi Zappacosta and Vance Bjorn
Digital Persona Inc.
An increasing number of meaningful social interactions are taking
place through the intermediation of computers. The World Wide Web has
given this trend a global reach that makes it possible for individuals
in distant corners of the world to engage in spontaneous
interactions. One of the remaining obstacles to an even larger
adoption of web-enabled transactions is the lack of convenient digital
identities and of convenient ways to authenticate.
In this talk we discuss the issue of identity, as it transitions from
the real world to the digital world, and demonstrate two
biometrics-based authentication systems, recently announced by Digital
Persona, one designed for "inside-the-firewall" transactions and
the other for transactions over the web. We finally discuss some of
the underlying technical components of these systems and some of the
challenges encountered during their development.
About the speaker:
Pierluigi Zappacosta is Chairman of Digital Persona. Previously he was
a founder of Logitech, where he worked over a 16-year period in
various roles, including President and CEO. He holds an MS in Computer
Science from Stanford University and a Laurea in Electrical
Engineering from the Universita di Roma, Italy.
Vance Bjorn is Chief Technology Officer of Digital Persona. He
received his undergraduate and graduate degrees from the Electrical
Engineering department at Caltech where he specialized in computation
and neural systems (CNS). In starting DigitalPersona he went on leave
from his studies as a National Department of Defense graduate fellow
at the MIT AI Lab.
____________
XEROX PARC FORUM
on Thursday, 6 April 2000, 4:15pm
George Pake Auditorium at Xerox PARC
http://www.parc.xerox.com/forum
Characters Everywhere
Barbara Hayes-Roth
Computer Science Department, Stanford &
Extempo Systems, Inc.
Going about our business in the world is easy and largely successful,
at least in part because the world has a great user interface -
people. It's easy for us to communicate with people through
conversation and gesture. They have excellent skills for helping us,
acting as teachers, tour guides, sales assistants, customer service
agents, and many other helpful roles. And people make our lives
interesting with their multi-faceted personalities, their social
warmth, and their individual stories. By contrast, today's Internet is
a cold and lonely place. How can we bring the high-function/high-touch
experience of interacting with people to the Internet? I propose an
answer that combines business, technology, psychology, and art -
interactive characters. I will discuss behavioral and technical
requirements and for interactive characters and demonstrate several
characters designed to assist people in commerce, learning, and play.
Barbara Hayes-Roth directs the Virtual Theater Project at Stanford
University. A Ph.D. in Cognitive Psychology and AAAI Fellow, Barbara
has published over 100 articles and given many invited lectures in the
U.S. and abroad. In 1995, Barbara founded Extempo Systems, Inc., which
develops characters for commercial applications in electronic
commerce, learning, and entertainment. . She recently was awarded a
patent for her invention, "System and Method of Directed Improvisation
by Computer Characters."
____________
SEMINAR ON COMPUTATIONAL LEARNING AND ADAPTATION
on Thursday, 6 April 2000, 4:15pm
Cordura 100
http://www-csli.stanford.edu/events/
Exploring Analogy in the Large
Kenneth D. Forbus
Qualitative Reasoning Group
Northwestern University
Cognitive simulation, tightly coupled with psychological
experimentation, has led to significant progress in understanding
analogical mapping and retrieval by exploring these processes in
isolation. However, psychological evidence suggests that structural
alignment plays a central role in many cognitive processes.
Consequently, an important test for cognitive simulations of
analogical processes is the integration constraint, that is, whether
they can be used as components in larger-scale simulations. Such
larger-scale simulations can potentially extend the range of phenomena
that can be modeled, and expose new constraints on how these component
processes interact with other processes in cognitive systems. This
talk presents arguments for, and examples of, large-scale analogical
processing, ranging from a simulation of infant language learning data
to case-based coaching for educational software.
____________
STANFORD ALGORITHMS SEMINAR
on Thursday, 6 April 2000, 4:15pm
Gates Building 498
http://Theory.Stanford.EDU/~aflb/
Approximate Sequence Nearest Neighbors
S. Cenk Sahinalp
Case Western
We study sequence nearest neighbors problem. Let D be a database of n
sequences; we would like to preprocess D so that given any on-line
query sequence Q we can quickly find a sequence S in D for which
d(S,Q) < d(S,T) for any other sequence T in D. Here d(S,Q) denotes the
distance between sequences S and Q, and is defined to be the minimum
number of edit operations needed to transform one to another (all edit
operations will be reversible so that d(S,T) = d(T,S) for any two
sequences T and S). These operations correspond to the notion of
similarity between sequences in intended application. Such edit
operations include character edits (inserts, replacements, deletes
etc), block edits (moves, copies, deletes, reversals) and block
numerical transformations (scaling by an additive or a multiplicative
constant). We present the first known efficient algorithm for
``approximate'' nearest neighbor search for sequences with
preprocessing time and space polynomial in size of D and query time
near-linear in size of Q. We assume the distance d(S,T) between two
sequences S and T is the minimum number of character edits and block
operations needed to transform one to the other; the approximation
factor we achieve is O(log l log*^2 l), where l is the size of the
longest sequence in D.
Joint work with S. Muthukrishnan.
____________
US JAPAN TECHNOLOGY MANAGEMENT CENTER
on Thursday, 6 April 2000, 4:15pm to 5:30pm
Skilling Auditorium
http://fuji.Stanford.edu/seminars/spring00/
The Tera Era
Waguih Ishak
Agilent Technologies Labs
We are approaching an era in which people will need 1-Gbit/s
communications ports in their offices, their homes, and even on the
road. These high-speed communications ports will enable telecommuting,
telemedicine, teleeducation, and a variety of multimedia applications
for entertainment and computing. These demands for high-speed
communications will require new telecommunications and data
communications infrastructure with terabit/s data rates. Additionally,
these communications networks will require very high-speed computers
(Tflops), very high-speed instrumentation (THz), and large information
storage (Tbytes). The technologies needed to reach these rates are
being worked on at many R&D organizations around the world. In fact,
many demonstrations have been completed in 1996-1997 showing 1-Tbit/s
communications links over more than 100 kilometers, 1-Tflops
computers, and 1-THz instrumentation. -Thus, we can safely say that
the Tera Era is on the horizon.
Speaker Bio:
Waguih Ishak is the director of the Communications and Optics Research
Laboratory (CORL) at Agilent Labs in Palo Alto, Calif. Waguih received
bachelor's degrees in electrical engineering from Cairo University in
1971 and in mathematics from Ain Shams University, located near Cairo,
in 1973. He received his master's and doctorate degrees in electrical
engineering from McMaster University in Ontario, Canada, in 1975 and
1978, respectively.
Waguih joined HP Labs in 1978 and began designing magnetic bubble
propagation and detection circuits and surface acoustic wave (SAW)
low-loss filters. In 1987, he became the manager of the Photonics
Technology Department and in 1995 was named the director of CORL,
which explores photonics (fiber optics, integrated optics,
optoelectronics, and micro optics) and integrated electronics.
In December of 1995, Waguih became the manager of the Communications &
Optics Research Laboratory in the Measurement Research Center at
Agilent Laboratories. Waguih has written about 40 journal and
conference papers, four chapters in the "Handbook of Electronic
Instruments." He is named an inventor in seven patents.
____________
CSLI COGLUNCH SEMINAR
on Friday, 7 April 2000, 12:15pm
Cordura 100
http://www-csli.stanford.edu/events/
Qualitative Physics as a Language for
Cognitive Modeling
Kenneth D. Forbus
Qualitative Reasoning Group
Northwestern University
Most research in qualitative reasoning has been driven by applications
in engineering, education, and other areas. However, I believe that
perhaps the most important role for qualitative physics is providing
representations and reasoning techniques for cognitive modeling. This
talk will examine ideas from qualitative physics in this light,
including speculations on how they can be used for modeling
developmental results, as a component in natural language semantics,
and as a bridge between perceptual and conceptual representations.
____________
CS547: STANFORD SEMINAR ON PEOPLE, COMPUTERS, AND DESIGN
on Friday, 7 April 2000, 12:30pm to 2:00pm
Gates B03 (NEC Classroom)
http://pcd.stanford.edu/seminar
Spoken User Interfaces
Robert Carpenter
SpeechWorks International
My talk provides a practical, step-by-step overview of the issues
surrounding spoken user interfaces. Concentrating on telephony call
center applications with natural spoken language interfaces, I will
cover the entire application lifecycle: design and prototyping,
coding, back-end and platform integration, deployment, tuning and
testing.
I will detail the process we use at SpeechWorks, beginning with
customer-centered user-interface design and prototyping, which leads
to a detailed specification. I will then discuss the issues involved
in coding the specification on a development environment, of which we
use several telephony specific platforms and plain old C++ code. I
will then focus on how interfaces are ramped up during deployment,
during which time tuning and testing is fairly intense.
I will conclude with an overview of some of the future directions in
spoken user interfaces, focusing flexibility and naturalness. I will
consider the design of a dialogue system to accommodate various kind
of user profiles, from naive first-time users to sophisticated repeat
visitors. Another issue I will bring up is whether we should be
building systems that are as human-like as possible, or whether we
should be considering alternative design strategies. I will also
briefly discuss plans underway through the W3C, the VoiceXML alliance,
and proprietary solutions already available that deliver a WWW-like
interface through a speech-only interface.
Throughout, I will support the discussion with case studies, try to
show you how we actually do things at SpeechWorks, and I will provide
demos of some of our deployed systems. If you'd like to try one of
systems on your own time before or after the talk, I would suggest:
United Airline Flight Info: 1.800.241.6522
a. choose option 1 from initial menu to get our
spoken flight info; it's all United offers now
b. try to get info on a flight; you might try to
get one arriving into San Francisco from New York's
John F Kennedy (JFK) airport at around 3 PM. Try
to see what happens if you mumble, or say the wrong
time or airport.
____________
US JAPAN TECHNOLOGY MANAGEMENT CENTER
on Friday, 7 April 2000, 2:00pm to 4:00pm
Encina Hall
Third floor, South Wing
http://fuji.stanford.edu/staff/rdasher.html
Entrepreneurship in Asia
Various Speakers
As a part of the Asia Pacific Student Entrepreneurship Summit being
held at Stanford from April 4-9, 2000, this seminar will address
issues of entrepreneurship and business development in Asia. Over 20
student delegates have been selected to participate in the summit from
Japan, Korea, Hong Kong and Singapore. The "Entrepreneurship in Asia"
seminar will consist of a cross-sector panel of Silicon Valley experts
as respondents to presentations about entrepreneurship in those
countries. Discussion will focus on obstacles entrepreneurs in Asia
face, current business trends, and opportunities for cooperation
between entrepreneurs in Silicon Valley and Asia.
Moderator:
- Professor Richard Dasher, Director, US-Japan Technology
Management Center, Stanford University
(http://fuji.stanford.edu/staff/rdasher.html)
Panelists:
- Frederick Giarrusso, Founder, Bay Enterprises LLC,
(http://www.eet.com/story/eezine/OEG19990908S0002)
- Andrew M. Isaacs, Lecturer, Management of Technology Program,
Haas School of Business; President, California Technology
International(http://www.cti-pacrim.com)
- Thomas R. Radcliffe, Partner, Graham & James LLP (www.gj.com)
____________
LINGUISTICS COLLOQUIUM
on Friday, 7 April 2000, 3:30pm
Building 460:126
http://calendus.stanford.edu/linguistics-colloquia/
Linguistics Methodology Meets Language Reality:
The Quest for Robustness, Scalability and Portability
in Building (Spoken) Language Applications
Robert Carpenter
SpeechWorks International
We are in the midst of an extraordinary paradigm shift in the theory
and application of linguistics. I will argue that three factors are
at the root of this trend. First, the ever-increasing power of
computers has enabled the development and testing of systems on a
scale that was unthinkable a generation ago. Second, the convergence
of communication and computation devices on a common network
infrastructure will integrate speech and language interfaces in the
same way that the last generation saw the integration of graphics.
Third, the evaluation criteria for substantive linguitsic claims are
becoming more empirical and less rhetorical, especially in
computational and psychological circles.
Our main challenges in developing language applications are that of
robustness, scalability and portability. Ideally, communication by
natural language should be fault tolerant in the face of acoustic
noise, disfluencies, unknown words and constructions, and so on. For
widespread deployment, systems must be scaled beyond toy examples to
handle real language and solve real tasks in order to be practical.
Finally, applications need to be portable because it is not practical
to spend dozens of person years building a simple application. These
desiderata have dominated recent computational work and motivate new
empirical foundations for linguistics.
My goal in this talk will be to lay out the conceptual foundations of
this new empirical conception of language. The principal shift is
from a discrete notion of grammaticality to a graded notion of
interpretability, recasting the central role of language as a dynamic
communication medium rather than a static set of discrete rules. I'll
provide a Bayesian statistical foundation and show how it is a natural
extension of our current conceptions of language as a computational
system. I'll draw on concrete examples from the phonology
(pronunciation modeling), phonetics (allophonic realization), syntax
(parsing), semantics (concept modeling), discourse structure
(reference and co-reference), and generation (balancing conflicting
Gricean maxims).
Rather than having to give up our linguistic theorizing, I conclude
that our new empirical, computational foundations will rescue
linguistics from the academic backwaters and enable truly natural
human/machine communication.
____________
COMPUTER SCIENCE SEMINAR
on Monday, 10 April 2000, 4:00pm to 5:00pm
CIS Extension, Room 101
http://campus-calendar.stanford.edu/CS/
Static Analysis and Computer Security:
New Techniques for Software Assurance
David Wagner
UC Berkeley
One of the greatest challenges in computer security today is the
software assurance problem: How do we deal with the fact that our most
trusted software, even our security software itself, is often buggy?
I will argue that static analysis can be a powerful tool for software
assurance, providing an entirely new approach to the problem.
I will describe my recent experience with two test applications which
provide strong support for this methodology. First, I will describe
new techniques for automated buffer overrun detection that helped find
serious new vulnerabilities in a large, widely deployed software
package (even though it had already been hand-audited). Second, I will
examine intrusion detection, showing how static analysis allows us to
detect potential break-ins without raising any false alarms. In both
cases, a key selling point of static analysis is that it allows us to
proactively eliminate or neutralize security bugs before they are
exploited.
David Wagner is a Ph.D. candidate at UC Berkeley advised by Eric
Brewer. He received his AB in Mathematics from Princeton University,
and his MS in Computer Science from UC Berkeley. He is Co-founder of
UC Berkeley's ISAAC security research group.
____________
BROAD AREA COLLOQUIUM FOR
AI-GEOMETRY-GRAPHICS-ROBOTICS-VISION
on Wednesday, 12 April 2000, 4:15pm
TCseq201, Lecture Hall B
http://robotics.stanford.edu/ba-colloquium/#Schedule
The Toy Robots Initiative: Educational and
Interactive Robotics
Illah R. Nourbakhsh
Assistant Professor of Robotics
The Robotics Institute, Carnegie Mellon University
In 1998 we founded the Toy Robots Initiative at The Robotics
Institute. Its research charter focuses on human-robot interaction,
elegant robot mechanism and educational robotics. I will describe our
research as well as our educational projects, and then I will provide
some entertaining wisdom regarding effective collaboration with toy
companies. You can learn more about the initiative at
www.cs.cmu.edu/~illah/EDUTOY.
About the Speaker:
Illah R. Nourbakhsh is an Assistant Professor of Robotics in The
Robotics Institute at Carnegie Mellon University. He received his
Ph.D. in computer science from Stanford University in 1996. He is
co-founder of the Toy Robots Initiative at The Robotics Institute. His
current research projects include electric wheelchair sensing devices,
robot learning, theoretical robot architecture, believable robot
personality, visual navigation and robot locomotion. His past research
has included protein structure prediction under the GENOME project,
software reuse, interleaving planning and execution and planning and
scheduling algorithms. At the Jet Propulsion Laboratory he was a
member of the New Millenium Rapid Prototyping Team for the design of
autonomous spacecraft. He is a founder and chief scientist of Blue
Pumpkin Software, Inc. and Mobot, Inc. He is also chief scientist of
Hyperbot, Inc, and leads robot autonomy for Probotics, Inc.
____________
EE380: COMPUTER SYSTEMS LABORATORY COLLOQUIUM
on Wednesday, 12 April 2000, 4:15pm
Gates B03 (NEC Auditorium)
http://www.stanford.edu/class/ee380/
A Pseudonymous Communications Infrastructure for
the Internet
Ian Goldberg
Chief Scientist and Head Cypherpunk
Zero-Knowledge Systems
The underlying structure of the Internet Protocol requires users of
the Internet to reveal their IP addresses to those with whom they
communicate. This and other things (such as cookies) allow data
collection, tracking, and other privacy violations without the user's
consent. It also makes it difficult for some people to speak out
against oppressors (be they an employer or a government), for fear of
repercussions.
Anonymous remailers and other so-called "Privacy-Enhancing
Technologies" have been around for quite a while, but they are
difficult to use, and are often limited in the extent or effectiveness
in which they can pretect users' identities.
In this talk, I will discuss protocols for allowing anonymous and
pseudonymous use of any IP-based service. These protocols can be
leveraged to provide services such as anonymous web browsing,
pseudonymous email and newsgroup posting, and private electonic
payment systems, and are the basis for Zero-Knowledge Systems' Freedom
product.
About the speaker:
Ian Goldberg is Chief Scientist and Head Cypherpunk of Zero-Knowledge
Systems, a Montreal-based company producing privacy software for
consumers. He is simultaneously completing his PhD from the University
of California, Berkeley, where his research interests include privacy
systems, cryptography, security, and electronic cash. In the past, he
has been known to find security holes in Netscape's SSL
implementation, to break cryptographic algorithms used in GSM cell
phones, and to throw a lot of parties.
____________
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For maps to the Stanford University campus see
http://www.stanford.edu/home/visitors/maps.html
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