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CSLI Calendar, Wednesday, 30 April 2003, vol. 18:31
CSLI CALENDAR OF PUBLIC EVENTS
______________________________________________________________________
30 April 2003 Stanford Vol. 18, No. 31
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A weekly publication of the
Center for the Study of Language and Information (CSLI)
Stanford University, Ventura Hall, Stanford, CA 94305-4115
http://www-csli.stanford.edu/
____________
ACTIVITIES FROM 30 APRIL 2003 TO 9 MAY 2003
WEDNESDAY, 30 APRIL 2003
3:00pm Reuters Foundation Digital Vision Program Seminar
email for location mailto:digitalvision@csli.stanford.edu
Martin Cooper
Chairman and CEO, Co-Founder, ArrayComm
http://reuters.stanford.edu/seminar_speakers.html
Abstract below
3:45pm Psychology Department Colloquium
Jordan Hall 420:041
"The Rational and Social Paths to Creating Madness in Normal
People"
Phil Zimbardo
Stanford
http://www-psych.stanford.edu/news.html
4:15pm EE380: Computer Systems Lab Colloquium
Gates B03 (NEC Auditorium)
"Internet Security: An Optimist Gropes for Hope"
Bill Cheswick
Lumeta Internet Security:
http://ee380.stanford.edu/contents.html
Abstract below
THURSDAY, 1 MAY 2003
4:00pm Personality Seminar
Jordan Hall 420:100
Title to be announced
Becky Ray
Stanford
http://www-psych.stanford.edu/news.html#person_lab
4:00pm PARC Forum
George Pake Auditorium at PARC
"A Tale of Two Messaging Systems: Domestic Practices
of SMS and IM"
Rebecca E. Grinter
PARC Computer Science Laboratory
http://www.parc.com/forum/
Abstract below
4:00pm UC Berkeley CIS Seminar
Soda Hall 380 (UC Berkeley)
"TerminatorBot: A Two-Limbed Locomotor/Manipulator
for Surveillance and Search-and Rescue"
Richard Voyles
University of Minnesota
http://www.cs.berkeley.edu/~eyal/cis-seminar
Abstract below
4:00pm Berkeley International Computer Science Institute
ICSI, Rm 607 (UC Berkeley)
"The Graphical Models Toolkit"
Jeff A. Bilmes
University of Washington
http://www.icsi.berkeley.edu/talks/
Abstract below
4:15pm SSP10: Symbolic Systems Forum
Bldg. 380:380C (Math Corner)
"How Infants Look as they Listen: On-line speech
processing by young language learners"
Anne Fernald
Psychology Department
http://symsys.stanford.edu:8081/ssp-dynamic/servlet/ssp_events
Abstract below
4:15pm US-Asia Technology Management Seminar
Terman Auditorium
"Silicon-based Light Emitting Devices for Optical Links"
Communication into the Commercial Arena - a Technology
Perspective"
Don Gardner
Senior Research Engineer, Microprocessor Research Lab
Intel Corporation
http://asia.stanford.edu/events/Spring03/index.html
Abstract below
FRIDAY, 2 MAY 2003
11:00am Berkeley Institute of Cognitive and Brain Seminar
Tolman 5101 (Berkeley)
Title to be announced
Ed Munnich
Graduate School of Education, UC Berkeley
http://socrates.berkeley.edu:4247/seminar.html
12 noon Logical Methods in the Humanities
Bldg. 380:383N (math corner)
"The Categorial Fine-Structure of Natural Language"
Johan van Benthem
Amsterdam & Stanford
Abstract below
12:30pm CS547: Human-Computer Interaction Seminar
Gates B01
Title to be announced
Will Wright
Maxis
http://www-pcd.stanford.edu/cs547/
3:15pm Philosophy Department Colloquium
Bldg. 90:92Q
"Sensitive and Insensitive Causation"
Jim Woodward
CalTech
http://www-philosophy.stanford.edu/ce.html
MONDAY, 5 MAY 2003
3:00pm Networking Lecture
Packard 101
"On-Chip Communication Network Architecture and Design"
Terry Tao Ye
Computer Systems Lab
Abstract below
4:15pm Broad Area Colloquium in AI
Geometry, Graphics, Robotics, and Vision
TCSeq 201
Title to be announced
Jack Snoeyink
UNC
http://robotics.stanford.edu/ba-colloquium/
TUESDAY, 6 MAY 2003
1:15pm Logic Seminar * SPECIAL TIME *
Bldg. 380:383P (math corner) * SPECIAL LOCATION *
"Ackermann's Termination Proof for Epsilon Substitution Method"
Henry Towsner
Stanford
http://www-logic.stanford.edu/seminars.html
2:00pm Logic Seminar * SPECIAL TIME *
Bldg. 380:383P (math corner) * SPECIAL LOCATION *
"Transfinite Induction and Transfinite
Recursion in Ackermann's Dissertation"
Audrey Yap
Stanford
http://www-logic.stanford.edu/seminars.html
2:45pm CS548: Internet and Distributed Systems Seminar
Gates B03 (NEC Auditorium)
"The STRIDER Approach to Troubleshooting
Configuration Failures"
Yi-Min Wang
Microsoft Research
http://cs548.stanford.edu/schedule.shtml
4:15pm SNRC Industry Seminar
Gates B01 * SPECIAL LOCATION *
"Brake-ing News -- Technologies
for Inter-vehicle Communication"
Gordon Peredo
DaimlerChrysler Research and Technology North America, Inc.
http://snrc.stanford.edu/events/industry-seminar/
Abstract below
4:15pm Engineering 200: Research Universities: Stanford, A Case Study
Jordan 420:040
"University Finance and Budgets"
Randy Livingston/Tim Warner
http://www.stanford.edu/dept/DoR/101.html
4:30pm Stanford Center for Innovation in Learning
Peter Wallenberg Learning Theater (Building 160)
"SIG:Assessment Case Studies in Math and Science"
http://scil.stanford.edu/
Information below
WEDNESDAY, 7 MAY 2003
12 noon Psychology Developmental Brownbags
Bldg. 380:381U
"Regulation of stress in infants and children: Potential
effects of maternal sensitivity and sleep on physiology and behavior."
David Haley
UC San Francisco
http://www-psych.stanford.edu/news.html#dev_brownbag
12 noon UC Berkeley Institute of Personality and Social Research Colloquium
5101 Tolman (Berkeley)
"Mindfulness: Research and Applications"
Erika Rosenberg
Health Psychology, UC San Francisco
http://psychology.berkeley.edu/admin/colloquia.html
3:00pm Reuters Foundation Digital Vision Program Seminar
email for location mailto:digitalvision@csli.stanford.edu
Vinton G. Cerf
Sr. Vice President for Architecture and Technology, WorldCom
http://reuters.stanford.edu/seminar_speakers.html
Abstract below
3:45pm Psychology Department Colloquium
Jordan Hall 420:041
"Affirmative Action is Dead; Long Live Affirmative Action"
Faye Crosby
UC Santa Cruz
http://www-psych.stanford.edu/news.html
4:00pm UC Berkeley Psychology Colloquium
Location to be announced (Berkeley)
"Declarative Memory, Nondeclarative Memory, and Memory Distortion"
Stuart Zola
Yerkes Primate Center and Emory University
http://psychology.berkeley.edu/admin/colloquia.html
4:15pm EE380: Computer Systems Lab Colloquium
Gates B03 (NEC Auditorium)
"Natural Language Processing Systems"
Christopher Manning
Stanford University
http://ee380.stanford.edu/contents.html
Abstract below
THURSDAY, 8 MAY 2003
12:15pm CSLI CogLunch
Cordura Hall, Room 100
"A Value-Driven Architecture for Intelligent Behavior"
Pat Langley
Computational Learning Laboratory, CSLI
http://www-csli.stanford.edu/events/Coglunch/
Abstract below
1:15pm Logic Seminar * SPECIAL TIME *
Bldg. 380:383P (math corner) * SPECIAL LOCATION *
"Epsilon Substitution Method in Ackermann's Dissertation"
Patrick Girard and Darko Sarenac
Stanford
http://www-logic.stanford.edu/seminars.html
4:00pm Personality Seminar
Jordan Hall 420:100
Title to be announced
Jutta Joorman
Stanford
http://www-psych.stanford.edu/news.html#person_lab
4:15pm SSP10: Symbolic Systems Forum
Bldg. 380:380C (Math Corner)
"Grammar Induction: Learning the Structure of Language"
Christopher Manning
Computer Science and Linguistics
http://symsys.stanford.edu:8081/ssp-dynamic/servlet/ssp_events
FRIDAY, 9 MAY 2003
12:30pm CS547: Human-Computer Interaction Seminar
Gates B01
To be announced
http://www-pcd.stanford.edu/cs547/
2:15pm NLP Reading Group
Wallenberg Hall, Room 323 * NEW LOCATION *
"Open Source Text Mining"
Hinrich Schuetze
Enkata Technologies
http://www-nlp.stanford.edu/nlp/nlpgroup.html
Abstract below
3:15pm Philosophy Department Colloquium
Bldg. 90:92Q
"Hermeneutics and Theories of Meaning"
Robert Brandom
University of Pittsburgh/Stanford CASBS
http://www-philosophy.stanford.edu/ce.html
____________
Stanford Blood Center status: Critical shortage of O+; shortage of O-,
A-, and B-. For an appointment: http://bloodcenter.stanford.edu/ or
call 650-723-7831. It only takes an hour of your time.
____________
REUTERS FOUNDATION DIGITAL VISION PROGRAM SEMINAR
on Wednesday, 30 April 2003, 3:00pm - 5:00pm
email for location mailto:digitalvision@csli.stanford.edu
http://reuters.stanford.edu/seminar_speakers.html
Martin Cooper
Chairman and CEO, Co-Founder, ArrayComm
A pioneer in the wireless communications industry, Martin Cooper
conceived the first portable cellular phone in 1973 and led the
10-year process of bringing it to market. Cooper knew then that
people needed the freedom that comes from anywhere, anytime telephony,
in contrast to being tethered to a desk or a car. It is this same
central focus on consumer freedom that drives Cooper's vision of the
wireless Internet.
During 29 years with Motorola, Cooper built and managed both its
paging and cellular businesses and served as Corporate Director of
Research and Development. Products introduced by Cooper have had
cumulative sales volume of more than $80 billion.
Upon leaving Motorola, Cooper co-founded Cellular Business Systems,
Inc. and led it to dominate the cellular billing industry with a 75
percent market share before selling it to Cincinnati Bell. Cooper has
been granted eight patents in the communications field and has been
widely published on various aspects of communications technology and
on management of research and development.
Under Cooper's leadership since its founding in 1992, ArrayComm,
Inc. has grown from a seed-funded startup in San Jose, Calif., into
the world leader in smart antenna technology. Today, ArrayComm is
using its technology expertise, including 250 patents issued or
pending, to develop and deploy the i-BURST mobile broadband wireless
Internet access system. The i-BURST system offers a revolutionary
Internet experience, combining the freedom of mobility with
transmission speeds similar to a typical home broadband DSL line, all
at prices competitive with today's wireline connections.
Cooper received the American Computer Museum's George R. Stibitz
Computer and Communications Pioneer Award in 2002, he was an inaugural
member of RCR's Wireless Hall of Fame, Red Herring magazine named him
one of the Top 10 Entrepreneurs of 2000, and Wireless Systems Design
provided him with the 2002 Industry Leader award. He holds a B.S. and
an M.S. in Electrical Engineering from Illinois Institute of
Technology.
____________
EE380: COMPUTER SYSTEMS LAB COLLOQUIUM
on Wednesday, 30 April 2003, 4:15pm - 5:30pm
NEC Auditorium (B03), Gates Computer Science Building
http://ee380.stanford.edu/contents.html
"Internet Security: an Optimist Gropes for Hope"
Bill Cheswick
Chief Scientist, Lumeta Corp.
ches@cheswick.com
By all accounts the Internet has grown more dangerous since its
inception. Most of the expected attacks have appeared and become
commonplace. Increasingly sophisticated malware has learned to hide
in the deep bushes of verdant, wild software. Users can't keep up
with these dangers, and it is hard enough for the professionals.
And yet, there are indications that things can get better. Many
important web sites get security right enough to support large
business models. Those who run our most secure networks report that
they repeatedly pass the pop-quizzes of the attacks du jour. We can
use crypto when we want to, and many do.
We can do better, and many of us are starting to.
About the speaker: Ches has been out and about in the Internet
security field since the late 1980s. He is known for his early work
in firewalls and proxies, and for the book he has co-authored with
Steve Bellovin and now Avi Rubin. In summer 2000 Ches helped spin off
the Internet cartography he did at Bell Labs with Hal Burch into a
startup, Lumeta Corp, which explores the extent and perimeter hosts of
corporate and government intranets.
____________
PARC FORUM
on Thursday, 1 May 2003, 4:00pm - 5:00pm
George Pake Auditorium, PARC
http://www.parc.com/forum/
"A Tale of Two Messaging Systems: Domestic Practices of SMS and IM"
Rebecca E. Grinter
PARC Computer Science Laboratory
In the last few years text-based chat systems have become very popular
among teenagers. In particular, teenagers have been among the lead
adopters of both Short Message Service (SMS) and Instant Messaging
(IM) technologies. Media attention has focused on some of the more
exotic or sensational uses of both technologies, but considerably less
is known about the day-to-day uses of these technologies. This talk
posits that is the everyday uses of SMS and IM that are the reasons
why both technologies have been adopted by teenagers. In addition to
explaining the popularity of SMS and IM, examining these largely
domestic technology practices offers insights into technology adoption
in the home environment.
About the speaker: Rebecca E. Grinter is a member of the research
staff in the Computer Science Lab at the Palo Alto Research Center
(PARC). She received her Ph.D. in Information and Computer Science
from the University of California, Irvine. Before joining PARC, she
was a member of the technical staff at Bell Laboratories. Her
research focuses on users' experience of technologies. In particular
she is interested in how people use technologies at work, at home and
in public for individual and collaborative purposes.
____________
UC BERKELEY CIS SEMINAR
on Thursday, 1 May 2003, 4:00pm - 5:00pm
Soda Hall 380 (UC Berkeley)
http://www.cs.berkeley.edu/~eyal/cis-seminar
"TerminatorBot: A Two-Limbed Locomotor/Manipulator
for Surveillance and Search-and Rescue"
Richard Voyles
University of Minnesota
http://www-users.cs.umn.edu/~voyles/
As part of a massively distributed heterogeneous system,
TerminatorBot, a novel, centimeter-scale crawling robot, is being
developed to address niche applications in surveillance,
search-and-rescue, and exploration. Rolling locomotion is easy to
construct and relatively power efficient, but as rubble density
increases, it becomes impractical. As robots get smaller, more things
look like rubble, impeding locomotion. Limbed robots, on the other
hand, can locomote over rougher terrain, but complexity is drastically
increased and, unless energy storage and recovery is employed, are
much less efficient. The TerminatorBot has two articulated arms,
which comprise a dual-use mechanism for manipulation and locomotion.
The arms can stow inside the cylindrical body for ballistic deployment
or protected transport. The intended applications require a small,
rugged, and lightweight robot, hence the desire for dual-use.
TerminatorBot's unique mechanism provides mobility and fine
manipulation on a scale that is currently unavailable.
I will describe the robot mechanism as well as the gaits that it uses
to locomote. Because the robot is statically balanced, it has to pick
itself up off the ground, drag itself forward, and then drop back to
the ground. In the presence of visual servoing, these loping motions
provide information about terrain conditions beneath the robot's
limbs. We use clustering of Fourier components in time to categorize
terrain characteristics.
____________
BERKELEY INTERNATIONAL COMPUTER SCIENCE INSTITUTE
on Thursday, 1 May 2003, 4:00 - 5:00 p.m.
Main Lecture Hall, ICSI, 1947 Center Street, Sixth Floor, Berkeley
http://www.icsi.berkeley.edu/talks/
"The Graphical Models Toolkit"
Jeff A. Bilmes
University of Washington
This talk will describe the Graphical Models Toolkit (GMTK), a publicly
available toolkit for developing graphical-model based speech and
language processing systems. The talk will begin with a brief
description of the representational and computational aspects of the
framework. Following that will be a detailed description of GMTK's
features, including a language for specifying structures and
probability distributions, linear and logarithmic space training and
decoding procedures, the concept of switching parents, and a
generalized EM training method which allows arbitrary parameter tying
both within CPTs and at the sub-Gaussian level while still achieving
convergence. In doing the above, we will describe a number of graph
structures that have been successfully used in speech recognition and
language modeling systems. Lastly, we will describe a new algorithm for
the triangulation of dynamic Graphical models (the Boundary and
Partition algorithms), the use of which makes it possible to
constrainedly but still optimally triangulate certain dynamic models
whose optimal triangulation was unattainable using previous techniques.
____________
SSP10: SYMBOLIC SYSTEMS FORUM
on Thursday, 1 May 2003, 4:15pm
Bldg. 380:380C (Math Corner)
http://symsys.stanford.edu:8081/ssp-dynamic/servlet/ssp_events
"How Infants Look as they Listen: On-line speech
processing by young language learners"
Anne Fernald
Psychology Department
Adults process spoken language with impressive efficiency, extracting
meaning incrementally from rapid strings of highly variable speech
sounds. Our recent research shows that infants as well are becoming
surprisingly efficient listeners over course of the second year of
life, identifying familiar words in simple sentence contexts in a
fraction of a second. Using a looking-while-listening procedure, we
monitor young children's' eye movements as they look at pictures of
objects while listening to speech related to one of the objects. While
15-month-olds respond to a familiar word only *after* it has been
spoken, 24-month-olds need to hear just 300 msec of the word to
identify it correctly. Moreover, two-year-olds are increasingly able
to use their emerging knowledge of language structure and use, from
morphosyntactic regularities to semantic associates, to facilitate
word recognition and sentence comprehension. Like adults, children at
this age make use of a wide range of contextual cues to interpret
spoken language successfully, from moment to moment, as the speech
signal unfolds.
____________
US-ASIA TECHNOLOGY MANAGEMENT CENTER PUBLIC LECTURE SERIES
on Thursday, 1 May 2003, 4:15pm - 5:30pm
Terman Auditorium
http://asia.stanford.edu/events/Spring03/index.html
"Silicon-based Light Emitting Devices for Optical Links"
Don Gardner
Senior Research Engineer, Microprocessor Research Lab, Intel Corp.
Recently, there has been increasing interest in light emission from
silicon for optoelectronic circuits and chip-to-chip interconnections.
In this work, the requirements for creating a chip-to-chip optical
link were determined. Different silicon-based devices were studied
for their potential use in an optical link including silicon diodes
and waveguides with silicon nanocrystals and rare earth ions. The
luminescence efficiency and performance of silicon diodes fabricated
using both standard CMOS and solar-cell process technologies were
analyzed. Photoluminescence (PL) and electroluminescence were
measured from both implanted and gas-source diffused devices. Peak PL
intensity from implanted-annealed junctions is approximately an order
of magnitude lower than for unprocessed silicon. Silicon
light-emission efficiency was improved by reducing the surface/contact
recombination, and bulk recombination (Auger and Shockley-Read-Hall).
This can be done by using gas-source diffusion, passivating and
texturing the surfaces, and depositing anti-reflective coatings.
The challenge is that the radiative recombination lifetime is long
because silicon is an indirect bandgap material and carriers are
removed by slow spontaneous emission and diffusion rather than
stimulated emission and drift. The result is slow switching speeds.
In addition, the light is incoherent preventing its use with many
high-speed refractive or phase modulators, photonic crystals, etc.
Conversely, waveguides with silicon nanocrystals and optical or
preferably electrical pumping show promise as a source of coherent
light. Modeling parameters for the optical power and optimal
wavelength required for an optical link were determined by the
photodetector, transimpedance amplifier, coupling losses, noise, and
frequency of operation. The prospects for creating a silicon-based
optical link look promising.
____________
LOGICAL METHODS IN THE HUMANITIES
on Friday, 2 May 2003, 12 noon - 1:15 pm
Math Corner 380:383N
http://www-logic.stanford.edu/seminars.html
"The Categorial Fine-Structure of Natural Language"
Johan van Benthem
Amsterdam & Stanford
Categorial grammar analyzes linguistic syntax and semantics in terms
of type theory and lambda calculus. A major attraction of this
approach is its unifying power, as its basic function/argument
structures occur across the foundations of mathematics, language and
computation. This talk considers, in a very light example-based
manner, where this elegant logical paradigm stands when confronted
with the wear and tear of reality.
Starting from a brief history of the Lambek tradition since the 1980s,
we touch upon three issues: (a) the fit of the lambda calculus engine
to characteristic semantic structures in natural language, (b) the
coexistence of the original type-theoretic and more recent modal
interpretations of categorial logics, and (c) the place of categorial
grammars in the total architecture of natural language, which seems to
involve mixtures of interpretation and inference.
References: Language in Action, Elsevier & MIT Press, 1995.
The Categorial Fine-Structure of Natural Language,
manuscript, ILLC Amsterdam, January 2003.
____________
NETWORKING LECTURE
on Monday, 5 May 2003, 3:00pm
Packard 101
"On-Chip Communication Network Architecture and Design"
Terry Tao Ye
Computer Systems Lab
Future Systems-on-Chip (SoC) designs will need novel on-chip
communication architectures that can provide scalable and reliable
data transport -- On-chip network architectures are believed to be the
ideal solution to many of today's SoC interconnection problems.
On-chip network architectures may adopt design concepts and
methodologies from computer networks, namely from system-area-networks
and parallel computer clusters. Nevertheless, silicon implementation
of networks requires a different perspective, because network
architectures and protocols have to deal with the advantages and
limitations of the silicon fabric. These characteristics will require
new methodologies for both on-chip switch designs as well as routing
algorithm designs. My research has explored the on-chip network and
communication design spaces from different aspects that include: 1)
On-chip network power modeling and analysis; 2) On-chip routing
schemes and switch architecture; 3) Packetization and its impact on
system performance and power consumption; 4) Physical planning for
on-chip networks. In this talk, I will focus on the routing and
packetization issues of on-chip communication. In particular, I will
propose a contention-look-ahead routing method and perform both
quantitative and qualitative analysis on the impacts of different
packetization schemes on system performance as well as energy
consumption. Refreshments at 2:45PM.
____________
SNRC INDUSTRY SEMINAR
on Tuesday, 6 May 2003, 4:15pm
Gates B01 * SPECIAL LOCATION *
http://snrc.stanford.edu/events/industry-seminar/
"Brake-ing News -- Technologies for Inter-vehicle Communication"
Gordon Peredo
DaimlerChrysler Research and Technology North America, Inc.
peredo@rtna.daimlerchrysler.com
Electronics and software has become a substantial piece of any modern
automobile and allows us to design advanced driver support systems
that improve safety, comfort and convenience and fuel economy, to name
just a few. Onboard vehicle sensors to reconstruct the vehicle's
environment are becoming standard equipment in the luxury market.
Examples are the Mercedes-Benz Distronic Adaptive Cruise Control
system that uses a radar sensor in the grille to pinpoint the location
of a moving car ahead of you. Distronic can automatically adjust the
throttle - and even apply up to 20% of the car's braking power - to
help you maintain the following distance you have selected. Another
example is the Parktronic that warns you of obstacles when parking.
So far, however, those vehicle systems are mostly autonomous systems
and their decisions are based only on local sensor input. We believe
that the in the future vehicles will be equipped with wireless
communication technology that will significantly enhance and
complement those local sensors. This will allow us to look further
ahead in time and further away in space, thereby extending the
driver's horizon and enabling a new class of applications.
In this talk we will present technologies and standards that are now
becoming available that will allow vehicles to effectively communicate
among each other and with the roadside infrastructure. We will
outline potential use case scenarios and applications that will show
the benefits of this technology. We will also address some of the
technical and business challenges that we think still need some more
attention.
About the speaker: Gordon Peredo is a Project Manager at
DaimlerChrysler Research and Technology North America, Inc.
DaimlerChrysler's Silicon Valley research office focuses on telematics
technologies and applications for the North American market,
specifically in the areas of distributed systems, communication
technologies, traffic, digital maps, and positioning.
Mr. Peredo joined DaimlerChrysler RTNA in 2002 and is now responsible
for the lab's participation in the joint Vehicle Safety Communications
project with the U.S. Department of Transportation and six other
automotive manufacturers. He is also responsible for other projects
focused on probe data and communications between vehicles and with
infrastructure.
Prior to DaimlerChrysler, Mr. Peredo worked for a Silicon Valley
satellite telephony company developing fixed, handheld, and mobile
products. He was also responsible for the company's worldwide
engineering support for all telecommunications products and services.
Peredo began his career as a U.S. Air Force officer where he led
numerous projects in the areas of special operations, communications,
positioning, remote sensing, sensor fusion, aerospace, and space-based
applications. He holds an MS in Human Resource Management from
Chapman University and a BS in Mechanical Engineering from Loyola
Marymount University.
____________
STANFORD CENTER FOR INNOVATION IN LEARNING
on Tuesday, 6 May 2003, 4:30pm
Peter Wallenberg Learning Theater (Building 160)
http://scil.stanford.edu/
"SIG:Assessment Case Studies in Math and Science"
Case Study 1: Handheld Technology for Science Assessment
Improvements in classroom assessment practices could dramatically
improve student learning, yet improving assessment practice has proved
to be a difficult goal because teachers' classroom realities are
poorly understood within assessment reform. Project WHIRL attempts to
leverage technology to make frequent classroom assessment more
manageable for teachers and to use a process of co-design to help
mitigate other pressures on teachers that shape how they organize
their classrooms. Bill Penuel, Senior Education Researcher at the
Center for Technology in Learning at SRI International, will present
preliminary findings, describe the co-design process, and share early
versions of the WHIRL software.
Case Study 2: Assessment Tools for Online Mathematics Courses
Stanford University's Education Program for Gifted Youth (EPGY) has
been offering e-learning courses to K-12 students since 1990. EPGY
has developed a number of computer tools for the input and evaluation
of mathematical expressions and for the evaluation of students'
step-by-step development of their solutions. These systems allow EPGY
instructors to assess student work and give feedback at a deeper level
than what can be done with simple multiple choice and true-false
environments. Additional assessment and feedback is provided by EPGY
instructors in the asynchronous review of student work. Ray Ravaglia
(Deputy Director, EPGY) and Rick Sommer (Deputy Director, EPGY) will
provide a brief overview of the EPGY systems and a short demo of the
software.
SCIL sponsors SIG:Assessment to bring together faculty, researchers,
and students on campus and throughout the Bay Area who work on
practical ways to evaluate new instructional methods. The
SIG:Assessment is directed by Daniel Schwartz, Professor, Stanford
School of Education. Please visit our web site
(http://scil.stanford.edu/) for details and directions to this event.
____________
REUTERS FOUNDATION DIGITAL VISION PROGRAM SEMINAR
on Wednesday, 7 May 2003, 3:00pm - 5:00pm
email for location mailto:digitalvision@csli.stanford.edu
http://reuters.stanford.edu/seminar_speakers.html
Vinton G. Cerf
Sr. Vice President for Architecture and Technology, WorldCom
www.wcom.com/cerfsup
Vinton G. Cerf is senior vice president of Architecture and Technology
for WorldCom. Cerf's team of architects and engineers design advanced
networking frameworks including Internet-based solutions for
delivering a combination of data, information, voice and video
services for business and consumer use.
Widely known as one of the "Fathers of the Internet," Cerf is the
co-designer of the TCP/IP protocols and the architecture of the
Internet. In December 1997, President Clinton presented the
U.S. National Medal of Technology to Cerf and his partner, Robert
E. Kahn, for founding and developing the Internet.
Prior to rejoining MCI in 1994, Cerf was vice president of the
Corporation for National Research Initiatives (CNRI). As vice
president of MCI Digital Information Services from 1982-1986, he led
the engineering of MCI Mail, the first commercial email service to be
connected to the Internet.
During his tenure from 1976-1982 with the U.S. Department of Defense's
Advanced Research Projects Agency (DARPA), Cerf played a key role
leading the development of Internet and Internet-related data packet
and security technologies.
Vint Cerf serves as chairman of the board of the Internet Corporation
for Assigned Names and Numbers (ICANN). Cerf served as founding
president of the Internet Society from 1992-1995 and in 1999 served a
term as chairman of the Board. In addition, Cerf is honorary chairman
of the IPv6 Forum, dedicated to raising awareness and speeding
introduction of the new Internet protocol. Cerf has served as a
member of the U.S. Presidential Information Technology Advisory
Committee (PITAC) since 1997 and serves on several national, state and
industry committees focused on cyber-security. Cerf is a principal
for the Global Internet Project (GIP), and he sits on the Board of
Directors for the Endowment for Excellence in Education, Folger
Shakespeare Library, Gallaudet University, the MarcoPolo Foundation,
Nuance Corporation, CoSine Corporation, 2BNatural Corporation and the
Hynomics Corporation. Cerf is a Fellow of the IEEE, ACM, and American
Association for the Advancement of Science, the American Academy of
Arts and Sciences, the International Engineering Consortium, the
Computer History Museum and the National Academy of Engineering.
Cerf is a recipient of numerous awards and commendations in connection
with his work on the Internet. These include the Marconi Fellowship,
Charles Stark Draper award of the National Academy of Engineering, the
Prince of Asturias award for science and technology, the Alexander
Graham Bell Award presented by the Alexander Graham Bell Association
for the Deaf, the NEC Computer and Communications Prize, the Silver
Medal of the International Telecommunications Union, the IEEE
Alexander Graham Bell Medal, the IEEE Koji Kobayashi Award, the ACM
Software and Systems Award, the ACM SIGCOMM Award, the Computer and
Communications Industries Association Industry Legend Award, the Yuri
Rubinsky Web Award, the Kilby Award , the Yankee Group/Interop/Network
World Lifetime Achievement Award, the George R. Stibitz Award, the
Werner Wolter Award, the Andrew Saks Engineering Award, the IEEE Third
Millennium Medal, the Computerworld/Smithsonian Leadership Award, the
J.D. Edwards Leadership Award for Collaboration, World Institute on
Disability Annual award and the Library of Congress Bicentennial
Living Legend medal.
In December, 1994, People magazine identified Cerf as one of that
year's "25 Most Intriguing People."
In addition to his work on behalf of WorldCom and the Internet, Cerf
has served as a technical advisor to production for "Gene
Roddenberry's Earth: Final Conflict.," He also made a special guest
appearance in May 1998. Cerf has appeared on television programs
NextWave with Leonard Nimoy and on World Business Review with
Alexander Haig and Casper Weinberger. Cerf also holds an appointment
as distinguished visiting scientist at the Jet Propulsion Laboratory
where he is working on the design of an interplanetary Internet.
____________
EE380: COMPUTER SYSTEMS LAB COLLOQUIUM
on Wednesday, 7 May 2003, 4:15pm - 5:30pm
NEC Auditorium (B03), Gates Computer Science Building
http://ee380.stanford.edu/contents.html
"Natural Language Processing Systems"
Christopher Manning
Stanford University
manning@cs.stanford.edu
In science fiction movies people can always talk with computers (and
aliens speaking different languages). What kinds of things can one do
in reality? Recent data-driven probabilistic approaches to natural
language processing (NLP) have led to programs that can do many parts
of the problem very well. It is still hard to completely understand
human languages, but why should we settle for doing nothing at all? In
this talk I particularly want to develop the idea that now that we
have gigahertz of processing power and hundreds of gig of disk, there
are lots of places where "systems programs" could use a little
embedded NLP. The 'file' command could do with some NLP. Ghostscript
(ps2ascii) could definitely do with some NLP. Getting control of
one's email back really needs NLP.
About the speaker: Christopher Manning is an assistant professor of
computer science and linguistics at Stanford University. Previously,
he has held faculty positions at Carnegie Mellon University and the
University of Sydney. His research interests include probabilistic
natural language processing, syntax, information extraction, and
computational lexicography. He is the author of three books,
including Foundations of Statistical Natural Language Processing (MIT
Press, 1999, with Hinrich Schuetze).
____________
CSLI COGLUNCH
on Thursday, 8 May 2003, 12:15pm-1:30pm
Cordura Hall, Room 100
http://www-csli.stanford.edu/events/Coglunch/
"A Value-Driven Architecture for Intelligent Behavior"
Pat Langley
Computational Learning Laboratory, CSLI
http://cll.stanford.edu/~langley/
In this talk, I describe Icarus, an integrated cognitive architecture
for intelligent agents in which affective values play a central role.
The framework incorporates long-term and short-term memories for
concepts and skills, and it includes mechanisms for recognizing
concepts, calculating reward, nominating and selecting skills based on
expected values, executing those skills in a reactive manner,
repairing these skills when they fail, and abandoning them when they
promise poor returns. I illustrate these processes with examples from
the domain of highway driving. Icarus differs from earlier cognitive
architectures like ACT and Soar by giving categorization and execution
primacy over problem solving and by giving affective values a central
role in determining agent behavior.
This talk describes joint work with Daniel Shapiro, Meg Aycinena, and
Michael Siliski.
____________
SSP10: SYMBOLIC SYSTEMS FORUM
on Thursday, 8 May 2003, 4:15pm
Bldg. 380:380C (Math Corner)
http://symsys.stanford.edu:8081/ssp-dynamic/servlet/ssp_events
"Grammar Induction: Learning the Structure of Language"
Christopher Manning
Computer Science and Linguistics
manning@cs.stanford.edu
nlp.stanford.edu/~manning
Grammar induction is the task of learning the grammar of a language
based on seeing a large body of utterances of the language. Doing
this (if in a somewhat informal, non-computational manner) was the
basis of the proposed 'discovery procedures' argued for by structural
linguists, and which were for a while generally seen as discredited by
the work of Chomsky. But we know a lot more about learning now.
Surely grammar induction should be possible? In this talk I will focus
on the so-called logical problem of language acquisition, why it is
apparently quite difficult, whether it is reasonable to expect
success, how engineering approaches to NLP route around the problem,
and what the implications are for linguistic theory. I will then
outline joint work with Dan Klein which develops a promising new angle
on grammar induction, by defining a generative distributional model
which explicitly models constituent yields and contexts. Parameter
search with EM produces higher quality analyses than previously
exhibited by unsupervised systems, giving the best published
unsupervised parsing results on the ATIS corpus. Experiments on Penn
treebank sentences of comparable length show an even higher F1 of 71%
on non-trivial brackets.
____________
NLP READING GROUP
on Friday, 9 May 2003, 2:15pm - 3:30pm
Wallenberg Hall, Room 323 * NEW LOCATION *
http://www-nlp.stanford.edu/nlp/nlpgroup.html
"Open Source Text Mining"
Hinrich Schuetze
Enkata Technologies
One obstacle to the widespread adoption of text mining is the cost of
building text mining systems. In addition to the core engineering
effort, the creation of knowledge resources is expensive. There are
many industrial and research projects in progress that partially
overlap and duplicate each others' efforts. This suggests that text
mining would be a prime area for open source development. Indeed,
there are a number of open source text mining packages available.
The challenge is that most open source projects concern themselves
with software only. For text mining, we also need knowledge resources
such as dictionaries and rule books. Another difference is that most
open source software is designed to work out of the box. Text mining
often requires customization of knowledge resources.
In this talk, I will speculate how we can adapt the open source
paradigm to our purposes and accelerate text mining research and
commercialization.
____________
END MATERIAL
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____________