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CSLI Calendar, Wednesday, 10 May 2000, vol. 15:30



       
     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
______________________________________________________________________

10 May 2000                    Stanford                Vol. 15, No. 30
______________________________________________________________________

                     A weekly publication of the
       Center for the Study of Language and Information (CSLI)
      Stanford University, Ventura Hall, Stanford, CA 94305-4115
                             ____________

                ACTIVITIES FROM 10 MAY TO 19 MAY 2000
        
WEDNESDAY, 10 MAY 2000
         4:15pm EE380: Computer Systems Laboratory Colloquium
                Gates B1 (Hewlett-Packard Auditorium) 
                The Global Trading Web
                A strategic vision for the Internet economy
                Jay M. Tenenbaum
                VP and Chief Scientist
                Commerce One Inc.
                http://www.stanford.edu/class/ee380/contents.html
                Abstract below

        4:15pm  Broad Area Colloquium in AI,
                Geometry, Graphics, Robotics, and Vision
                TCseq201, Lecture Hall B
                Searching for the Actual Cause
                Judea Pearl 
                UCLA
                http://robotics.stanford.edu/ba-colloquium/
                Abstract below

THURSDAY, 11 MAY 2000
        11:00am CCRMA Hearing Seminar
                CCRMA Library, The Knoll
                Reverse Engineering the Auditory Pathway
                Lloyd Watts 
                Interval
                http://www-ccrma.stanford.edu/CCRMA/Events/Events.html
                Abstract below

        12 noon CSLI CogLunch
                Cordura Hall, Room 100
                Intelligent Communication - AI and NL
                John McCarthy
                Stanford
                http://www-csli.stanford.edu/events/Coglunch/

         4:00pm Xerox PARC Forum
                George Pake Auditorium at Xerox PARC
                Launching Products in the Internet Age
                Catherine Kitcho
                Consultant and Author, "High Tech Product Launch"
                http://www.parc.xerox.com/ops/projects/forum/
                Abstract below

         7:30pm Stanford Phonology Workshop
                Margaret Jacks Hall 460:126
                A Note on Fast Speech and Pronoun Deletion in French
                Luc Baronian
                Stanford University
                http://www-linguistics.stanford.edu/pinterest/

FRIDAY, 12 MAY 2000
         9:00am CSLI Demo day
                Cordura Hall
                from 9am-noon demos/posters from some of CSLI's projects

        12:30pm CS547: Human-Computer Interaction Seminar
                Gates B03
                Facial Affect in Human and Machine
                Diane Schiano
                Formerly Interval Research
                http://www-pcd.stanford.edu/cs547/
                Abstract below

         3:15pm Philosophy Department Colloquium
                Bldg. 60:61H (note room change)
                Some Mysteries of Love
                Harry Frankfurt
                Princeton University
                Undergraduate Philosophy Conference Distinguished Lecturer 
                http://www-philosophy.stanford.edu/ce.html

         3:15pm Infolab Seminar
                201 tcSEQ (across from Gates)
                Preliminary Topic: Agents, e-commerce and XML
                Charles Petri
                Stanford University
                http://www-db.stanford.edu/dbseminar/dbseminar.html

         3:30pm Linguistics Department Colloquium
                Margaret Jacks Hall 460:126
                Language Evolution in Simulated Populations:
                How language adapts to aid its own survival
                Simon Kirby
                University of Edinburgh
                http://www-linguistics.stanford.edu/colloq/colloq.html
                Abstract below

WEDNESDAY, 17 MAY 2000
        4:15pm  Broad Area Colloquium in AI,
                Geometry, Graphics, Robotics, and Vision
                TCseq201, Lecture Hall B
                Made for Each Other: 
                Metric Localization and Distributed Topological Mapping
                Gaurav S. Sukhatme
                Robotics Research Lab, USC
                http://robotics.stanford.edu/ba-colloquium/
                Abstract below

         4:15pm EE380: Computer Systems Laboratory Colloquium
                Gates B1 (Hewlett-Packard Auditorium) 
                Fundamental Issues in Scaling CMOS Devices
                Paul A. Packan
                Intel
                http://www.stanford.edu/class/ee380/contents.html

THURSDAY, 18 MAY 2000
        11:00am CCRMA Hearing Seminar
                CCRMA Library, The Knoll
                Precedence
                Chris Stecker
                http://www-ccrma.stanford.edu/CCRMA/Events/Events.html

        12:00pm CSLI CogLunch
                Cordura Hall, Room 100
                On the Concept of a 'genetic Program'
                Peter Godfrey-Smith
                Stanford University
                http://www-csli.stanford.edu/events/Coglunch/
                Abstract below

         3:15pm Stanford Learning Lab
                SLL Bldg. (formerly Bambi)
                Tools to Increase Access to Advanced Mathematics
                Learning for All Children 
                Jeremy Roschelle
                Senior Cognitive Scientist
                SRI's Center for Technology in Learning
                http://sll.stanford.edu/
                Abstract below

         4:00pm Xerox PARC Forum
                George Pake Auditorium at Xerox PARC
                Robust Systems and Source-Available Software
                Peter G. Neumann
                SRI International
                http://www.parc.xerox.com/ops/projects/forum/

FRIDAY, 19 MAY 2000
        12:30pm CS547: Human-Computer Interaction Seminar
                Gates B03
                Arousal Responses to Interactive Media
                Byron Reeves
                Stanford Dept. of Communication
                http://www-pcd.stanford.edu/cs547/
                Abstract below

         3:15pm Infolab Seminar
                201 tcSEQ (across from Gates)
                The Web, Digital Libraries, and Metadata
                Steve Lawrence
                NEC Research
                http://www-db.stanford.edu/dbseminar/dbseminar.html
                             ____________

                             ANNOUNCEMENT

                   NINTH ANNUAL CSLI WORKSHOP ON
                   LOGIC, LANGUAGE & COMPUTATION
                          May 26-28, 2000
                             Cordura 100
               http://www-linguistics.stanford.edu/llc/

For each of the last eight years, CSLI has hosted a workshop on Logic,
Language and Computation. The program has involved a lively mix of
topics concerning the sources and flow of information in the various
disciplines that CSLI was designed to bring together. This year is no
exception. A whole day of the workshop is devoted to the interface of
Games and Logic, and the remaining sessions emphasize the nature and
logical formalization of inference in the foundations of mathematics,
the theory of computation, and computational linguistics.

As has become a tradition by now, the program includes contributions
by both established researchers and newcomers to the field. The
workshop is open to all.

     Conference Schedule

     Talks are 30 minutes with a 15-minute question and answer session.
     Unless otherwise noted, they will be presented in Cordura Hall.
     The breakfasts, lunches and dinner are free to all who register.
     Registration is free.

     --------------
     Friday, May 26  >>> GAMES & LOGIC <<<
     --------------

     8:30-9:00       Breakfast

     9:00            Opening Remarks

     Session I       Chair: Stanley Peters (Stanford University)

     9:15-10:00      Gabriel Sandu (University of Helsinki)
                     Games and IF-logic

     10:00-10:45     Paul Dekker (University of Amsterdam)
                     Bi-Directional Optimality Theory:
                        An Application of Game Theory

     10:45-11:00     Coffee Break

     11:00-11:45     Hans van Ditmarsch (Groningen University)
                     Knowledge Games

     11:45-12:30     Johan van Benthem (U. of Amsterdam, Stanford U.)
                     Actions That Change Your Mind

     12:30-1:30      Lunch Break

     Session II      Chair: Johan van Benthem (U. of Amsterdam, Stanford U.)

     1:30-2:15       Andreas Blass (University of Michigan)
                     Game Semantics and its Neighbors

     2:15-3:00       Yoav Shoham (Stanford University)
                     Some Interesting Problems at the Interface of
                        Computer Science and Game Theory

     3:00-3:30       Coffee Break (and a pleasant walk to the next venue)

     Session III     Shared Colloquium with the Departments of Linguistics
                        and Philosophy
                     Chair: TBA
                   * PLACE: Bldg. 420, Rm. 041 (Main Quad)

     3:30-5:30       Robert Stalnaker (MIT)
                     Counterfactuals and the Explanation of Rational Action


     ----------------
     Saturday, May 27
     ----------------

     8:30-9:15       Breakfast

     Session IV      >>> PROOF THEORY <<<
                     Chair: Sol Feferman (Stanford University)

     9:15-10:00      Sergei Tupailo (University of Bern)
                     Realization of Constructive Set Theory into
                        Explicit Mathematics

     10:00-10:45     Michael Rathjen (University of Leeds)
                     Weak Constructive Set Theories of Large Set Axioms
                        and the Anti-Foundation Axiom

     10:45-11:00     Coffee Break

     11:00-11:45     Arnold Beckmann (University of California, San Diego)
                     Can Consistency Statements Separate Bounded Arithmetic?

     11:45-12:30     Grigori Mints (Stanford University)
                     Quick and Slow Normalization

     12:30-1:30      Lunch Break


     Session V       >>> COMPUTATION & LOGIC <<<
                     Chair: Pat Lincoln (SRI)

     1:30-2:15       Aaron Stump (Stanford University)
                     A Decision Procedure for an Extensional Theory
                        of Arrays

     2:15-3:00       Gerard Renardel (Groningen University)
                     Dynamic Modal Logic with an Alternative Semantics

     3:00-3:15       Coffee Break

     3:15-4:00       Rob van Glabbeek (Stanford University)
                     The Meaning of Negative Premises in Transition System
                        Specification

     4:00-4:45       Larry Moss (Indiana University, Bloomington)
                     Coalgebra and the Theory of Computation


     Session VI      Chair: Johan van Benthem (U. of Amsterdam, Stanford U.)

     5:15-6:30       Commemorative Session on the life and work
                        of Jon Barwise

     6:30-8:00       Dinner

     8:00            Party


     --------------
     Sunday, May 28
     --------------

     8:30-9:15       Breakfast

     Session VII     >>> LOGIC & COMPUTATION <<<
                     Chair: Rick Sommer (CSLI, Stanford University)

     9:15-10:00      Patrick Blackburn (University of Saarland)
                     Represention, Reasoning, and Relational Structures

     10:00-10:45     Phokion Kolaitis (University of California, Santa Cruz)
                     Title TBA

     10:45-11:00     Coffee Break

     11:00-11:45     David Wake (Stanford University)
                     Completeness for a Negationless Predicate Calculus

     11:45-12:30     José Meseguer (SRI and CSLI)
                     Rewriting Logic and Maude: Concepts and Applications

     12:30-1:30      Lunch Break


     Session VIII    >>> LANGUAGE & COMPUTATION <<<
                     Chair: Mary Dalrymple (Xerox PARC)

     1:30-2:15       Reinhard Muskens (University of Tilburg)
                     Categorial Grammar and Lexical-Functional Grammar

     2:15-3:00       Richard Crouch (Xerox PARC)
                     Update on Demand

     3:00-3:15       Coffee Break

     3:15-4:00       Chris Manning (Stanford University)
                     Title TBA

     4:00-4:45       John McCarthy (Stanford University)
                     What AI Needs from Computational Linguistics

     4:45            Closing Remarks
                             ____________
                                   
                  EE380: COMPUTER SYSTEMS COLLOQUIUM
             on Wednesday, 10 May 2000, 4:15pm to 5:30pm
        NEC Auditorium (B03), Gates Computer Science Building
          http://www.stanford.edu/class/ee380/contents.html

                        The Global Trading Web
             A strategic vision for the Internet economy
                         Dr. Jay M. Tenenbaum
                        VP and Chief Scientist
                          Commerce One Inc.

Commerce One is laying the foundation for a global web of
interoperable markets, trading communities, and commerce portals that
collectively will form the world's largest business-to-business
marketplace. The Global Trading Web (GTW) uses eXtensible Markup
Language technology to link diverse enterprise applications, enabling
buyers and suppliers to conduct spontaneous, automated transactions
without custom point to point integration. Companies can build on each
other's online services to create innovative virtual businesses. They
can link ERP systems to perform real-time collaborative planning and
forecasting across entire supply chains. Third-party e-commerce service
providers (e.g., banks, shippers) can integrate once to the GTW and
make their services globally available. Dr. Tenenbaum will discuss the
GTW from both a business and technology perspective, and trace its
evolution from an MRO marketplace into a comprehensive supply chain
infrastructure.

Biography: Dr. Tenenbaum is a world-renowned Internet commerce pioneer
and visionary. He was founder and CEO of Enterprise Integration
technologies, the first company to conduct a commercial Web
transaction (1992) and Internet auction (1993). Dr. Tenenbaum also
founded and chairs the industry association CommerceNet, with nearly
600 corporate members worldwide. In 1997, he co-founded Veo Systems,
the company that pioneered the use of XML for automating business-to
business transactions. Dr. Tenenbaum joined Commerce One in January
1999, when it acquired Veo Systems. As Chief Scientist, he has been
instrumental in shaping the company's business and technology
strategies for the Global Trading Web.

Earlier in his career, Dr. Tenenbaum was a prominent AI researcher,
and lead AI research groups at SRI International and Schlumberger
Ltd. He is a Fellow and former board member of the American
Association for Artificial Intelligence, and a former Consulting
Professor of Computer Science at Stanford. Dr.  Tenenbaum holds
B.S. and M.S. degrees in Electrical Engineering from MIT, and a
Ph.D. from Stanford.
                             ____________

                      BROAD AREA COLLOQUIUM FOR
                 AI-GEOMETRY-GRAPHICS-ROBOTICS-VISION
               on Wednesday, 10 May 2000, 4:00pm
                     TCseq201 (across from Gates)
             http://robotics.stanford.edu/ba-colloquium/

                      Searching for the Actual Cause
                                Judea Pearl
                                    UCLA
   
Many problems in troubleshooting, legal decisions, and natural
language processing require one to identify the "actual cause" of an
event in the context of a given scenario (as in: "Socrates drinking
hemlock was the actual cause of Socrates death.") Following a brief
review of counterfactuals and their structural semantics, I will
propose a formal account of actual causation based on the notion of
"sustenance" -- the capacity of the cause to sustain the effect
despite certain "structural" changes in the model. I will show by
examples how this account avoids problems associated with the
counterfactual-dependence account of Lewis (1986) and how it can be
used both in generating explanations of specific scenarios and in
computing the probabilities that such explanations are in fact
correct.

References

Parts of this talk are based on chapter 10 of CAUSALITY (Cambridge U.
Press, 2000), on my IJCAI-99 Lecture (see
http://www.cs.ucla.edu/~judea/ ) and on recent joint work with J.
Halpern.

Biography: Judea Pearl is a Professor of Computer Science and
Statistics at UCLA where he is the Director of the Cognitive Systems
Laboratory.

He received the B.S. degree in Electrical Engineering from the
Technion, Haifa, Israel, in 1960; a Master degree in Physics from
Rutgers University, New Brunswick, New Jersey, in 1965; and a Ph.D.
degree in Electrical Engineering from the Polytechnic Institute of
Brooklyn, Brooklyn, NY in 1965.

Before coming to UCLA, he worked at RCA Research Laboratories,
Princeton, New Jersey, on superconductive storage devices and magnetic
memory systems. He joined UCLA in 1970, and his current interests
include: knowledge representation, probabilistic and causal reasoning,
constraint processing, nonstandard logics, distributed computation,
and learning .
             
Pearl has published close to 200 research articles and is the author
of three books: Heuristics (1984), Probabilistic Reasoning in
Intelligent Systems (1988), and Causality: Models, Reasoning and
Inference (2000). He is a Member of the National Academy of
Engineering, a Fellow of the IEEE and the AAAI, and a recipient of the
IJCAI Research Excellence Award in Artificial Intelligence (1999).  
                             ____________

                        CCRMA HEARING SEMINAR
                  on Thursday, 11 May 2000, 11:00am
                       CCRMA Library, The Knoll
        http://www-ccrma.stanford.edu/CCRMA/Events/Events.html

               Reverse Engineering the Auditory Pathway
                             Lloyd Watts
                    Interval Research Corporation
                     mailto:lwatts@lloydwatts.com
                      http://www.lloydwatts.com/

The cochlea breaks sounds up into their spectral components in a way
that preserves fine time structure.  The spectro-temporal
representation on the auditory nerve is further enhanced by several
different cell types in the cochlear nucleus, with specializations for
detecting transients, spectral energy, and enhanced phase-locking.
Interaural Time and Level difference calculations are performed in the
Superior Olivary Complex, creating representations of binaural sounds
that allow sound sources to be localized in space.  The inferior
colliculus is a site of major multimodal integration; all of the
specialized representations of sound begin to be combined at this
level to group the attributes of a sound source together, thus
computing an interpretation of the auditory scene around us.  In this
presentation, I will show real-time visualizations (movies) of several
of these neurobiological representations of sound, computed in a way
that is consistent with neurobiological data.  I will also demonstrate
a high-resolution cochlear model, operating in real-time in a PC.
 
Biography: Lloyd Watts holds a B.Sc. in Engineering Physics from
Queen's University, an M.Sc in Electrical Engineering from Simon
Fraser University, and a Ph.D. in Electrical Engineering from the
California Institute of Technology, where he studied with professor
Carver Mead.  He has worked at Microtel Pacific Research in Burnaby,
B.C., Synaptics in San Jose, Arithmos in Santa Clara, and currently is
employed at Interval Research Corporation in Palo Alto.  His research
has focused on understanding the computations of the human auditory
pathway, and implementing and visualizing those computations in
real-time in the least expensive medium he can find that will get the
job done.
                             ____________

                           XEROX PARC FORUM
              on Thursday, 11 May 2000, 4:00pm - 5:00pm
                    George Pake Auditorium, Xerox
            http://www.parc.xerox.com/ops/projects/forum/

                Launching Products in the Internet Age
                           Catherine Kitcho
         Consultant and Author of "High Tech Product Launch"

The New Economy is impacting all of us in terms of how we do our
work. One of the areas that is affected significantly is the new
product cycle.  Products that took two years or more to develop from
concept to launch are now being done in as little as six months. This
puts even more pressure on the people who are involved in the already
chaotic activity of launching the product to the market.  In addition
to the pressures of having to launch at Internet speed, the New
Economy brings significant changes in customer focus, competitive
strategy and partnering.  Ms. Kitcho will discuss how all of these
economic and market conditions impact the new product cycle and the
process of product launch, along with some advice on how best to
prepare for these new challenges. 

Catherine Kitcho is a strategic marketing consultant specializing in
product launch.  She works with entrepreneurs and startups as well as
large companies to help them launch products and implement repeatable
launch processes.  She is the author of "High Tech Product Launch",
and is an adjunct professor of marketing in the MBA programs of Santa
Clara University and Golden Gate University.  She is also an advisor
to The Enterprise Network, helping entrepreneurs with marketing plans,
and is also an entrepreneurial coach at the Girls Middle School in
Mountain View.  She holds a BS in Earth Science and Math from Michigan
State University, and an MBA in Management from Golden Gate
University. 
                             ____________

               SEMINAR ON PEOPLE, COMPUTER, AND DESIGN
                on Friday, 12 May 2000, 12:30-2:00pm
                      Gates B03 (NEC Classroom)
                  http://www-pcd.stanford.edu/cs547/

                    New Findings on Facial Affect
                            Diane Schiano
                         diane.schiano@av.com

Facial expression of emotion (or "facial affect") is rapidly becoming
an area of intense interest in the computer science and interaction
design communities.  Ironically, this interest comes at a time when
the classic findings on perception of human facial affect are being
challenged in the psychological research literature, largely on
methodological grounds.  This talk will present some new data on the
recognition of human facial expressions, using experimental methods
and analyses designed to systematically address the criticisms and
help resolve this controversy.  Further research applying this data is
then described, most notably a user study on perception of affect in a
prototype robot face.  We see this work as a demonstration of how
basic and more applied research can prove mutually informative in this
emerging field.
                             ____________

                  LINGUISTICS DEPARTMENT COLLOQUIUM
                    on Friday, 12 May 2000, 3:30pm
                  Margaret Jacks Hall, Room 460:126
        http://www-linguistics.stanford.edu/colloq/colloq.html

             Language Evolution in Simulated Populations:
             How language adapts to aid its own survival
                             Simon Kirby
                         University of Edinburgh

Over the past decade there has been a resurgence of interest in the
origins of human language. Linguists have started to wonder if the
unique properties of Language --- particularly its syntactic structure
--- might be explained, in the same way other properties of our
biological make-up are, in terms of the evolution of our
species. Unfortunately, a satisfactory account of the origins of
syntax in terms of natural selection has proved difficult to
formulate.

In this talk, I will explore a different kind of evolutionary
approach: one in which the status of languages themselves as complex
adaptive systems is taken seriously. Language exists in two domains:
internally, as speakers' knowledge, and externally, as utterances. The
mechanisms that map between these domains place selection pressures on
the types of language that can persist over time. In other words, for
language to survive, it must repeatedly be used and learned by
generations of speakers and hearers.
 
The effect of this linguistic (as opposed to natural) selection on the
structure of languages can be tested by building working models of
populations of learners in computational simulations.With these models
we can observe the properties of the languages that emerge over a
cultural timescale in populations with particular hand coded
(i.e. innately given) properties.

The model I will present starts with no initial language and certain
fairly minimal assumptions about language production and language
learning. However the results are surprisingly complex: after an
initial stage where the population converges on a rudimentary,
unstructured communication system, languages emerge that structurally
resemble human ones in many respects. In these "evolved" systems,
length of utterance correlates inversely with frequency; meanings are
typically expressed using a recursively compositional syntax;but
highly frequent meanings are expressed idiosyncratically.

I will analyze these results in terms of a competition between two
aspects of linguistic transmission: a learning bottleneck which
favours a topographic mapping between meanings and strings; and
speaker laziness which favours a minimal-length code. The take-home
message will be that this competition results in language-like systems
through properly linguistic as opposed to biological evolution. In
other words, to understand the origins of syntax, rather than looking
at the way humans have adapted to be better at learning language, we
should appreciate the way language has adapted to being better at
being passed on by us.
                             ____________

                      BROAD AREA COLLOQUIUM FOR
                 AI-GEOMETRY-GRAPHICS-ROBOTICS-VISION
               on Wednesday, 17 May 2000, 4:00pm
                     TCseq201 (across from Gates)
             http://robotics.stanford.edu/ba-colloquium/

                         Made for Each Other:
       Metric Localization and Distributed Topological Mapping
                          Gaurav S. Sukhatme
                        Robotics Research Lab
                  University of Southern California
                        mailto:gaurav@usc.edu
   
Localization and mapping have received considerable attention
recently. I will present a Kalman filter-based approach to precision
robot localization which optimally combines local rate sensing with
global landmark information. Using the resulting location estimates, I
will show how robots may easily build topological representations of
their surroundings. Such representations are lightweight yet useful,
and they scale very well. As an example I will show how multiple
robots can efficiently combine individual topological maps without a
priori knowledge of each others' coordinate systems. I will conclude
with a discussion of open problems and extensions to a new domain
(ubiquitous intelligent embedded systems).

About the Speaker: Gaurav Sukhatme is a Research Assistant Professor
in the Computer Science Department at the University of Southern
California (USC) and the Associate Director of the Robotics Research
Laboratory. He was an undergraduate at IIT Bombay before receiving a
M.S. and Ph.D. in Computer Science from USC. His research interests
and previous work include sensor fusion for robot fault tolerance,
robot localization and mapping, and human-robot interfaces. He has
recently begun a new research effort in algorithms for distributed,
intelligent, embedded systems design. He is a member AAAI and
IEEE. For further information please see
http://www-robotics.usc.edu/~gaurav/ .
                             ____________

                            CSLI COGLUNCH
                  on Thursday, 18 May 2000, 12:00pm
                             Cordura 100
            http://www-csli.stanford.edu/events/Coglunch/

                On the Concept of a 'genetic Program'
                         Peter Godfrey-Smith
                         Stanford University
          
This is not a talk on genetic programming in the Koza sense. Its a
talk on the role of computational and semantic concepts within
genetics. Its not really on the mind, but I want to take advantage of
the expertise of the coglunch crowd.
                             ____________

                        STANFORD LEARNING LAB
                   on Thursday, 18 May 2000, 3:15pm
             SLL Bldg. (formerly Bambi), Conference room
                       http://sll.stanford.edu/

      Tools to Increase Access to Advanced Mathematics Learning
                           for All Children
                           Jeremy Roschelle
          Senior Cognitive Scientist and Technology Designer
               SRI's Center for Technology in Learning
   
In this talk, I will discuss advances in how technology is being used
in K-12 mathematics education. Particularly I will focus on (1) how
technology can be used to teach mathematics in better concordance with
what we now know from the Learning Sciences (2) how technology can be
used to enable ordinary children to learn more modern and complex
mathematics and (3) the challenges of implementing smart technology
use in today's classrooms.
     
Biography: Jeremy Roschelle is a Senior Cognitive Scientist and
Technology Designer at SRI International's Center for Technology and
Learning. He current co-leads the Educational Software Components of
Tomorrow Project and the SimCalc Project, both of which aim to advance
the use of technology in mathematics learning. Dr. Roschelle has a
Ph.D from Berkeley in Education, and has published and presented
internationally on topics including educational software design for
math and science learning; cognitive analysis of student learning;
discourse analysis of collaborative learning; application of component
software, reuse & interoperability techniques in education; and video
analysis tools & techniques. He is an Associate Editor of the Journal
of the Learning Sciences, the Secretary for AERA SIG on Advanced
Technologies for Learning, and past program chair of the Computer
Supported Collaborative Learning Conference.
                             ____________

               SEMINAR ON PEOPLE, COMPUTER, AND DESIGN
                on Friday, 19 May 2000, 12:30-2:00pm
                      Gates B03 (NEC Classroom)
                  http://www-pcd.stanford.edu/cs547/

                Arousal Responses to Interactive Media
                             Byron Reeves
                   Stanford Dept. of Communication.
                      mailto:reeves@stanford.edu
        
Interactive media create new opportunities to affect psychological
arousal in users. Arousal responses are important determinants of
attention to media, memory for information, and evaluation of media
experiences. This presentation will review the basic research about
arousal responses to old and new media, and present results of new
experiments that show how different media content and forms of
interaction can affect physiological arousal.
     
Biography: Byron Reeves is the Paul C. Edwards Professor of
Communication and Director of the Institute for Communication Research
at Stanford University, with an appointment in Symbolic Systems. His
research is about the psychological processing of media in the areas
of attention, emotions, learning, and physiological responses. He is
co-author (with Clifford Nass) of The Media Equation: How People Treat
Computers, Television, and New Media Like Real People and Places (New
York: Cambridge University Press). His research has been the basis for
a range of products, including software agents, telephone systems,
entertainment systems, and test instrumentation.  His academic
background is in graphic design and music (B.F.A., Southern Methodist
University), and communication and psychology (Ph.D., Michigan State
University).
                             ____________

                             END MATERIAL

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of either subscribe csli-calendar for the long form or subscribe
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unsubscribing should be sent to owner-csli-calendar@csli.stanford.edu.

The full current issue is at
http://www-csli.stanford.edu/Archive/calendar/current.shtml
and the archives at
http://www-csli.stanford.edu/Archive/calendar/  

People on most of the CSLI computers can type 'help csli-calendar' to
see the current issue.

The CSLI Calendar is also posted each week to
news://nntp-csli.stanford.edu/csli.bboard.  
and
news://nntp.stanford.edu/su.events

Information about CSLI's research program is available at
http://www-csli.stanford.edu/

For maps to the Stanford University campus see
http://www.stanford.edu/home/visitors/maps.html
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