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Tutorial I
Tutorial II
TUTORIAL I
Bio-Inspired and Cognitive Algorithms for Recognition,
Data Mining, Tracking, Fusion, Prediction, and Language Understanding
Lecturer: Leonid Perlovsky, Ph.D., Air
Force
Research Laboratory
Text: Neural Networks and Intellect, by Leonid
Perlovsky, Oxford University Press, 2001
Objective:
This tutorial covers the rapidly evolving fields of
Bio-Inspired and Cognitive algorithms.
The tutorial focuses on the current understanding of the
fundamental principles of cognition, their computational implementations,
and practical applications. The tutorial discusses the mind mechanisms,
including concepts, emotions, instincts, behavior, language, cognition,
understanding, thinking, intuitions, conscious and unconscious, abilities
for formation of symbols and aesthetic feelings. Joint evolution of
languages and cognition are discussed along with evolution of cultures.
Computational techniques are given for these mechanisms and abilities. A
number of applications are discussed.
The goals of the tutorial are:
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to provide a basic mathematical understanding of
the working of the mind.
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to demonstrate practical applications of these
mechanisms for pattern recognition, tracking, fusion, search engines, and
for integrated systems combining sensor signals and communication data.
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to outline future research directions.
Historical and current difficulties in developing intelligent systems (IS)
and applications will be discussed along with how cognition and new
computational techniques overcome these difficulties.
By the end of the tutorial, students will be
familiar with several general applications addressed by IS, computational
difficulties encountered over fifty years, and basic novel approaches to
overcoming these difficulties.
Targeted for:
Individuals interested in the development and application
of intelligent systems, intelligent signal processing, working of the mind
and cultural evolution.
Handouts: Copies of the course outline slides.
Text: "Neural Networks and Intellect”, L. Perlovsky, Oxford
Univ. Press, 2001 (retail price $104.94)
For more information: email
Leonid.Perlovsky@hanscom.af.mil
Tutorial Outline:
1. Cognition – integration of real-time
signals and a priori knowledge
1.1. the nature of understanding
1.2. combinatorial complexity (CC) – a
fundamental problem?
1.3. CC since 1950s
1.4. CC vs. logic
1.5. mathematics vs. the mind
1.6. structure of the mind: concepts,
instincts, emotions, behavior
1.7. instinct for knowledge and aesthetic
emotion
2. Modeling Field Theory (MFT) of cognition
2.1. Formulation. Basic two-layer mechanism:
data-concepts
2.2. Instinct for knowledge = maximize
similarity
2.3. Dynamic Logic Algorithm (DLA)
2.4. Hierarchical structure
2.5. Applications: data mining, pattern
recognition, tracking, fusion
3. Language - integration of language data
and models
3.1. Language
3.2. MFT of language
3.3. Applications: search engines
4. Integration of cognition and language
4.1. Language vs. thinking
4.2. Past: AI and Chomskyan linguistics
4.3. Integrated models
4.4. Integrated hierarchies of language and
cognition
4.5. Humboldt’s inner linguistic form
4.6. Applications: integrated systems
5. Prolegomena to a theory of the mind
5.1. why mind and emotions?
5.2. from Plato to Kant, Jung, and Grossberg
5.3. MFT vs. Buddhism
5.4. mind vs. brain
5.5. consciousness and unconscious
5.6. understanding
5.7. models-concepts-agents
5.8. symbols, signs, and semiotics
5.9. aesthetic emotion and beauty
5.10. intuition: art, mathematics, physics
5.11. list of applications
5.12. future tests of the theory
6. Future directions
6.1. evolving integrated systems
6.2. evolution of languages and cultures
6.3. role of music in cognition and in evolution
of cultures
6.4. mathematics of differentiation and
synthesis
Tutorial Summary and Conclusion
Lecturer's Biography:
Dr. Leonid Perlovsky is Visiting Scholar at Harvard
University, Principal Research Physicist and Technical Advisor at the Air
Force Research Laboratory, Hanscom AFB. He is Program Manager for DOD
Semantic Web program and leads several research projects. Previously, from
1985 to 1999, he served as Chief Scientist at Nichols Research, a $0.5B
high-tech DOD contractor leading the corporate research in intelligent
systems, neural networks, sensor fusion, and target recognition. He served
as professor at Novosibirsk University and New York University, and
participated as a principal in commercial startups developing tools for text
understanding, biotechnology, and financial predictions. His company
predicted the market crash following 9/11 a week before the event, detecting
activities of Al Qaeda traders, and later helped SEC looking for these guys.
He delivered invited keynote plenary talks and tutorial lectures worldwide,
published more then 250 papers, 7 book chapters, and authored a monograph
“Neural Networks and Intellect,” Oxford University Press, 2001 (currently in
the 3rd printing). Three books are coming in 2007: “The Knowledge Instinct”,
Basic Books; “Neurodynamics” with Dr. R. Kozma, Springer; “Sapient Systems”,
with Dr. R. Mayorga, Springer. Dr. Perlovsky organizes conferences on
Computational Intelligence, Chairs IEEE Boston Computational Intelligence
Chapter. He received the IEEE Distinguished Member of Boston Section Award
and International Neural Network Society Gabor Award. He serves as Associate
Editor for IEEE Transactions on Neural Networks, Editor-at-Large for
“Natural Computations” and Editor-in-Chief for “Physics of Life Reviews.”
TUTORIAL II
“Cognitive” Memory and its Applications
by Bernard Widrow
Tutorial Overview:
Regarding the workings of the human mind,
memory and pattern recognition seem to be intertwined. You generally do
not have one without the other. Taking inspiration from life experience, a
new form of computer memory has been devised. Certain conjectures about
human memory are key to the central idea. The design of a practical and
useful “cognitive” memory system is contemplated, a memory system that may
also serve as a model for many aspects of human memory.
The new memory does not function like a
computer memory where specific data is stored in specific numbered
registers and retrieval is done by reading the contents of the specified
memory register, or done by matching key words as with a document search.
Incoming sensory data would be stored at the next available empty memory
location, and indeed could be stored redundantly at several empty
locations. The stored sensory data would neither have key words nor would
it be located in known or specified memory locations.
Sensory inputs concerning a single object or
subject are stored together as vectors in a single “file folder” or
“memory folder.” When the contents of the folder are retrieved, sights,
sounds, tactile feel, smell, etc., are obtained all at the same time.
Sensor fusion is a memory phenomenon. The sensory signals are not fused,
but they are simply recorded together in the same folder and retrieved
together.
Retrieval would be initiated by a prompt
signal from a current set of sensory inputs or patterns. A search through
the memory would be made to locate stored data that correlates with or
relates to the present real-time sensory inputs. The search would be done
by a retrieval system that makes use of autoassociative artificial neural
networks.
Applications of cognitive memory systems have
been made to visual aircraft identification, aircraft navigation, and
human facial recognition. Other applications to speech recognition and
control systems are being explored.
Biography:
Bernard Widrow received the S.B., S.M., and
Sc.D. degrees in Electrical Engineering from the Massachusetts Institute
of Technology in 1951, 1953, and 1956, respectively. He joined the MIT
faculty and taught there from 1956 to 1959. In 1959, he joined the faculty
of Stanford University, where he is currently Professor of Electrical
Engineering.
He began research on adaptive filters,
learning processes, and artificial neural models in 1957. Together with
M.E. Hoff, Jr., his first doctoral student at Stanford, he invented the
LMS algorithm in Autumn of 1959. Today, this is the world’s most widely
used learning algorithm. He has continued working on adaptive signal
processing, adaptive controls, and neural networks since that time.
Dr. Widrow is a Life Fellow of the IEEE and a
Fellow of AAAS. He received the IEEE Centennial Medal in 1984, the IEEE
Alexander Graham Bell Medal in 1986, the IEEE Signal Processing Society
Medal in 1986, the IEEE Neural Networks Pioneer Medal in 1991, the IEEE
Millennium Medal in 2000, and the Benjamin Franklin Medal for Engineering
from the Franklin Institute of Philadelphia in 2001. He was inducted into
the National Academy of Engineering in 1995, and into the Silicon Valley
Engineering Council Hall of Fame in 1999.
Dr. Widrow is a past president and currently a
member of the Governing Board of the International Neural Network Society.
He is a member of the AdCom of the IEEE Computational Intelligence
Society. He is associate editor of several journals and is the author of
over 100 technical papers and 18 patents. He is co-author of “Adaptive
Signal Processing” and “Adaptive Inverse Control,” both Prentice-Hall
books. A new book, “Quantization Noise,” is in preparation.
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