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Aproximadamente 457 registro(s) hasta el momento: (knowledge)

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Recurso libre

KAM: Automatic Planning and Interpretation of Numerical Experiments Using Geometrical Methods
Yip, Kenneth Man-Kam

Formato:
Enlaces:	KAM is a computer program that can automatically plan, monitor, and interpret numerical experiments with Hamiltonian systems with two degrees of freedom. The program has recently helped solve an open problem in hydrodynamics. Unlike other approaches to qualitative reasoning about…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

Leveraging Learning and Language Via Communication Bootstrapping
Beal, Jacob

Formato:
Enlaces:	In a Communication Bootstrapping system, peer components with different perceptual worlds invent symbols and syntax based on correlations between their percepts. I propose that Communication Bootstrapping can also be used to acquire functional definitions of words and causal reasoning knowledge.…
Fecha:	2004-10-08
Recurso:	MIT

Recurso libre

ONTIC: A Knowledge Representation System for Mathematics
McAllester, David Allen

Formato:
Enlaces:	Ontic is an interactive system for developing and verifying mathematics. Ontic's verification mechanism is capable of automatically finding and applying information from a library containing hundreds of mathematical facts. Starting with only the axioms of Zermelo-Fraenkel set theory, the Ontic…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

Consensus Knowledge Acquisition
Trice, Andrew - Davis, Randall

Formato:
Enlaces:	We have developed a method and prototype program for assisting two experts in their attempts to construct a single, consensus knowledge base. We show that consensus building can be effectively facilitated by a debugging approach that identifies, explains, and resolves…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

Fingerprints Theorems for Zero-Crossings
Yuille, A.L. - Poggio, T.

Formato:
Enlaces:	We prove that the scale map of the zero-crossings of almost all signals filtered by the second derivative of a gaussian of variable size determines the signal uniquely, up to a constant scaling and a harmonic function. Our proof provides…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

Taxonomic Syntax for First-Order Inference
McAllester, David - Givan, Robert

Formato:
Enlaces:	Most knowledge representation languages are based on classes and taxonomic relationships between classes. Taxonomic hierarchies without defaults or exceptions are semantically equivalent to a collection of formulas in first order predicate calculus. Although designers of knowledge representation languages often express…
Fecha:	2004-10-04
Recurso:	MIT

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Toward a Theory of Representation Design
Baalen, Jeffrey Van

Formato:
Enlaces:	This research is concerned with designing representations for analytical reasoning problems (of the sort found on the GRE and LSAT). These problems test the ability to draw logical conclusions. A computer program was developed that takes as input a straightforward…
Fecha:	2004-10-20
Recurso:	MIT

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Conclusions from the Commodity Expert Project
Stansfield, James L.

Formato:
Enlaces:	The goal of the commodity expert project was to develop a prototype program that would act as an intelligent assistant to a commodity market analyst. Since expert analysis must deal with very large, yet incomplete, data bases of unreliable facts…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

Model-Based Troubleshooting of Digital Systems
Hamscher, Walter Charles

Formato:
Enlaces:	This thesis describes a methodology, a representation, and an implemented program for troubleshooting digital circuit boards at roughly the level of expertise one might expect in a human novice. Existing methods for model-based troubleshooting have not scaled up to deal…
Fecha:	2004-10-20
Recurso:	MIT

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10.

Causal/Temporal Connectives: Syntax and Lexicon
Brent, Michael R.

Formato:
Enlaces:	This report elucidates the linguistic representation of temporal relations among events. This involves examining sentences that contain two clauses connected by words like once, by the time, when, and before. Specifically, the effect of the tenses of the connected clauses…
Fecha:	2004-10-04
Recurso:	MIT

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11.

The Bifurcation Interpreter: A Step Towards the Automatic Analysis of Dynamical Systems
Abelson, Harold

Formato:
Enlaces:	The Bifurcation Interpreter is a computer program that autonomously explores the steady-state orbits of one-parameter families of periodically- driven oscillators. To report its findings, the Interpreter generates schematic diagrams and English text descriptions similar to those appearing in the science…
Fecha:	2004-10-04
Recurso:	MIT

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12.

Dynamically Stable Legged Locomotion (September 1985-Septembers1989)
Raibert, Marc H. - Brown, H. Benjamin, Jr. - Chepponis, Michael - Koechling, Jeff - Hodgins, Jessica K. - Dustman, Diane - Brennan, W. Kevin - Barrett, David S. - Thompson, Clay M. - Hebert, John Daniell - Lee, Woojin - Borvansky, Lance

Formato:
Enlaces:	This report documents our work in exploring active balance for dynamic legged systems for the period from September 1985 through September 1989. The purpose of this research is to build a foundation of knowledge that can lead both to the…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

13.

Residual Vibration Reduction in Computer Controlled Machines
Singer, Neil C.

Formato:
Enlaces:	Control of machines that exhibit flexibility becomes important when designers attempt to push the state of the art with faster, lighter machines. Three steps are necessary for the control of a flexible planet. First, a good model of the plant…
Fecha:	2004-10-20
Recurso:	MIT

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14.

Integration of expert knowledge into computer-controlled databases in the medical domain : HEMAVID, a case study
Chueh, Henry C

Formato:	Thesis
Enlaces:	by Henry C. Chueh., Thesis (M.S.)--Harvard University--Massachusetts Institute of Technology Division of Health Sciences and Technology, Program in Medical Engineering and Medical Physics, 1989., Includes bibliographical references (leaves [165]-[172]).
Fecha:	2005-10-07
Recurso:	MIT

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15.

Growth strategies of small nations : with special reference to Ireland, Finland and Singapore
Yeo, Lionel, 1972-

Formato:	Thesis
Enlaces:	This thesis is based on the premise that small nations face unique challenges in the quest for economic prosperity. They have a small domestic economy and are more dependent than larger economies on international trade. Smallness typically entails a lack…
Fecha:	2005-06-02
Recurso:	MIT

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16.

A Computational Model for the Acquisition and Use of Phonological Knowledge
Yip, Kenneth - Sussman, Gerald Jay

Formato:
Enlaces:	Does knowledge of language consist of symbolic rules? How do children learn and use their linguistic knowledge? To elucidate these questions, we present a computational model that acquires phonological knowledge from a corpus of common English nouns and verbs. In…
Fecha:	2004-10-08
Recurso:	MIT

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17.

A Study of Qualitative and Geometric Knowledge in Reasoning about Motion
Forbus, Kenneth D.

Formato:
Enlaces:	Reasoning about motion is an important part of our commonsense knowledge, involving fluent spatial reasoning. This work studies the qualitative and geometric knowledge required to reason in a world that consists of balls moving through space constrained by collisions with…
Fecha:	2004-10-20
Recurso:	MIT

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18.

Modeling and analysis of gene expression arrays
Duggar, Keith Howard, 1976-

Formato:	Thesis
Enlaces:	Gene expression arrays are a technology used to measure quantities of messenger ribonucleic acid (mRNA). Application of the technology involves a variety of physical processes beginning with the acquisition of mRNA samples and ending with the fluorescence imaging of a…
Fecha:	2005-10-14
Recurso:	MIT

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19.

Meta-Rules: Reasoning About Control
Davis - Randall

Formato:
Enlaces:	How can we insure that knowledge embedded in a program is applied effectively? Traditionally the answer to this question has been sought in different problem solving paradigms and in different approaches to encoding and indexing knowledge. Each of these is…
Fecha:	2004-10-08
Recurso:	MIT

Recurso libre

20.

A tool for hemodynamic data analysis
Garg, Deepali, 1982-

Formato:	Thesis
Enlaces:	Nearly 2% of all live births are very premature (gestational age less than 32 weeks), and 50% of all new cases of cerebral palsy occur in survivors of premature birth (gestational age less than 37 weeks). Because of their underdeveloped…
Fecha:	2005-09-26
Recurso:	MIT

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21.

Waves, currents, and sediment transport in the surf zone along long, straight beaches
Tajima, Yoshimitsu, 1972-

Formato:	Thesis
Enlaces:	This study presents a theoretical model for predictions of near-shore hydrodynamic characteristics and the local sediment transport rate along long, straight beaches. The wave may be periodic or random, the beach may be plane or barred, and the bed may…
Fecha:	2005-10-14
Recurso:	MIT

Recurso libre

22.

The potential business impacts of Semantic Web for system integration
Saita, Akio, 1972-

Formato:	Thesis
Enlaces:	This thesis presents research about the potential business impacts of the Semantic Web. The concept of the Semantic Web is an expansion of the Web for computers, enabling them to comprehend the meaning of information. In addition, Semantic Web Services…
Fecha:	2005-06-02
Recurso:	MIT

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23.

Applying axiomatic design methodology to enable adaptation of clinical guidelines to local contexts
Denekamp, Yaron, 1963-

Formato:	Thesis
Enlaces:	Background: Local adaptation of guidelines may increase compliance with guidelines that have been developed at a national level and are often not used in practice because of contextual factors. We have developed a representation scheme known as HieroGLIF, that facilitates…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

24.

Decision support tools for urban air quality management
San Martini, Federico M. (Federico Matteo), 1973-

Formato:	Thesis
Enlaces:	This thesis developed and applied tools to bridge the gap between available data and action for urban air quality management, focusing on strategies to reduce particle concentrations. One of the principal thesis contributions is a Bayesian method to exploit the…
Fecha:	2005-10-14
Recurso:	MIT

Recurso libre

25.

Articulatory features for robust visual speech recognition
Saenko, Ekaterina, 1976-

Formato:	Thesis
Enlaces:	This thesis explores a novel approach to visual speech modeling. Visual speech, or a sequence of images of the speaker's face, is traditionally viewed as a single stream of contiguous units, each corresponding to a phonetic segment. These units are…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

26.

Creation of Computer Animation from Story Descriptions
Kahn, Kenneth Michael

Formato:
Enlaces:	This report describes a computer system that creates simple computer animation in response to high-level, vague, and incomplete descriptions of films. It makes its films by collecting and evaluating suggestions from several different bodies of knowledge. The order in which…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

27.

A Frame for Frames: Representing Knowledge for Recognition
Kuipers, Benjamin J.

Formato:
Enlaces:	This paper presents a version of frames suitable for representing knowledge for a class of reconition problems. An initial section gives an intuitive model of frames, and illustrates a number of desirable features of such a representation. A more technical…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

28.

Extracting and Representing Qualitative Behaviors of Complex Systems in Phase Spaces
Zhao, Feng

Formato:
Enlaces:	We develop a qualitative method for understanding and representing phase space structures of complex systems and demonstrate the method with a program, MAPS --- Modeler and Analyzer for Phase Spaces, using deep domain knowledge of dynamical system theory. Given a…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

29.

Coherent Behavior from Incoherent Knowledge Sources in the Automatic Synthesis of Numerical Computer Programs
Brown, Richard

Formato:
Enlaces:	A fundamental problem in artificial intelligence is obtaining coherent behavior in rule-based problem solving systems. A good quantitative measure of coherence is time behavior; a system that never, in retrospect, applied a rule needlessly is certainly coherent; a system suffering…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

30.

Pose-Invariant Face Recognition Using Real and Virtual Views
Beymer, David

Formato:
Enlaces:	The problem of automatic face recognition is to visually identify a person in an input image. This task is performed by matching the input face against the faces of known people in a database of faces. Most existing work in…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

31.

Using Structural and Functional Information in Diagnostic Design
Hamscher, Walter

Formato:
Enlaces:	We wish to design a diagnostic for a device from knowledge of its structure and function. the diagnostic should achieve both coverage of the faults that can occur in the device, and should strive to achieve specificity in its diagnosis…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

32.

Reasoning Modeled as a Society of Communicating Experts
Steels, Luc

Formato:
Enlaces:	This report describes a domain independent reasoning system. The system uses a frame-based knowledge representation language and various reasoning techniques including constraint propagation, progressive refinement, natural deduction and explicit control of reasoning. A computational architecture based on active objects which…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

33.

Local Versus Global Control Laws for Cooperative Agent Teams
Parker, Lynne E.

Formato:
Enlaces:	The design of the control laws governing the behavior of individual agents is crucial for the successful development of cooperative agent teams. These control laws may utilize a combination of local and/or global knowledge to achieve the resulting group behavior.…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

34.

Extracting Qualitative Dynamics from Numerical Experiments
Yip, Kenneth Man-Kam

Formato:
Enlaces:	The Phase Space is a powerful tool for representing and reasoning about the qualitative behavior of nonlinear dynamical systems. Significant physical phenomena of the dynamical system---periodicity, recurrence, stability and the like---are reflected by outstanding geometric features of the trajectories in…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

35.

Shaping Inputs to Reduce Vibration: A Vector Diagram Approach
Singhose, William

Formato:
Enlaces:	This paper describes a method for limiting vibration in flexible systems by shaping the system inputs. Unlike most previous attempts at input shaping, this method does not require an extensive system model or lengthy numerical computation; only knowledge of the…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

36.

Probabilistic Solution of Inverse Problems
Marroquin, Jose Luis

Formato:
Enlaces:	In this thesis we study the general problem of reconstructing a function, defined on a finite lattice from a set of incomplete, noisy and/or ambiguous observations. The goal of this work is to demonstrate the generality and practical value of…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

37.

Border-crossing knowledge networking among multinational firms : the case of R&D facilities
Shirvani-Mahdavi, Ali (Ali Agha), 1965-

Formato:	Thesis
Enlaces:	(cont.) which is expected, given their additional knowledge resources. The respondents' urgency in looking for the relevant knowledge is the primary explanation for this difference between the two networks. This difference in knowledge networking among the different groups did not…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

38.

Issues in Model Based Troubleshooting
Hamscher, Walter - Davis, Randall

Formato:
Enlaces:	To determine why something has stopped working, it's helpful to know how it was supposed to work in the first place. This simple fact underlies recent work on a number of systems that do diagnosis from knowledge about the internal…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

39.

Exploring Object Perception with Random Image Structure Evolution
Sadr, Javid - Sinha, Pawan

Formato:
Enlaces:	We have developed a technique called RISE (Random Image Structure Evolution), by which one may systematically sample continuous paths in a high-dimensional image space. A basic RISE sequence depicts the evolution of an object's image from a random field, along…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

40.

Inquiring into architectural texts : towards an interpretation of architectural knowledge
Purwono, Eko

Formato:	Thesis
Enlaces:	An investigation was carried out on the contents of the architectural texts in order to illuminate written architectural knowledge. The thesis takes as its case study the required reading list for Introduction to Architecture course at Yale College, Yale University,…
Fecha:	2005-08-09
Recurso:	MIT

Recurso libre

41.

Re-engineering knowledge networks for development
Raghavan, Amrith, 1976-

Formato:	Thesis
Enlaces:	This thesis examines the evolution of Internet based knowledge networks (e-knowledge networks) in the domain of sustainable development. The objective of this thesis is to use an engineering systems approach to understand knowledge networks, identify the barriers to their sustainability…
Fecha:	2005-06-02
Recurso:	MIT

Recurso libre

42.

Vision by Man and Machine
Poggio, Tomaso

Formato:
Enlaces:	The development of increasingly sophisticated and powerful computers in the last few decades has frequently stimulated comparisons between them and the human brain. Such comparisons will become more earnest as computers are applied more and more to tasks formerly associated…
Fecha:	2004-10-08
Recurso:	MIT

Recurso libre

43.

Predicting and managing system interactions at early phase of the product development process
Dong, Qi, 1973-

Formato:	Thesis
Enlaces:	The activity of designing and developing large, complex, discrete, physical, and engineered products faces the challenges in the physical product system, the organization of people, and the larger systems in which the product resides-the natural and societal systems. This thesis…
Fecha:	2005-05-19
Recurso:	MIT

Recurso libre

44.

The architectural design studio as a method of inquiry : a pedagogical model for the development of architectural knowledge
Silberberg, Ross Allen

Formato:	Thesis
Enlaces:	This thesis is concerned with the systematic investigation and application of knowledge within the architectural design studio. The thesis takes, as a point of departure in the development of architectural epistemology, a model of knowledge developed by Yehuda Elkana, in…
Fecha:	2005-08-10
Recurso:	MIT

Recurso libre

45.

Methodology in architectural design
Wiggins, Glenn E

Formato:	Thesis
Enlaces:	The act of designing in architecture is a complex process. Many designers, when probed for reasons to explain their actions, are either unable to answer questions, or provide explanations that are not true descriptions of their actions. Frequently the designer…
Fecha:	2005-08-09
Recurso:	MIT

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46.

Computer System for Visual Recognition Using Active Knowledge
Freuder, Eugene C.

Formato:
Enlaces:	A system for visual recognition is described, with implications for the general problem of representation of knowledge to assist control. The immediate objective is a computer system that will recognize objects in a visual scene, specifically hammers. The computer receives…
Fecha:	2004-10-20
Recurso:	MIT

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47.

The Role of Knowledge in Visual Shape Representation
Saund, Eric

Formato:
Enlaces:	This report shows how knowledge about the visual world can be built into a shape representation in the form of a descriptive vocabulary making explicit the important geometrical relationships comprising objects' shapes. Two computational tools are offered: (1) Shapestokens are…
Fecha:	2004-10-20
Recurso:	MIT

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48.

The Impact of Processing Time Knowledge on Dynamic Job-Shop Scheduling
Wein, Lawrence M. - Ou, Jihong

Formato:	Working Paper
Enlaces:	The goal of this paper is to determine if the results for dynamic job-shop scheduling problems are affected by the assumptions made with regard to the processing time distributions and the scheduler's knowledge of the processing times. Three dynamic jobshop…
Fecha:	2004-05-28
Recurso:	MIT

Recurso libre

49.

D-SCRIPT: A Computational Theory of Descriptions
Moore, Robert C.

Formato:
Enlaces:	This paper descries D-SCRIPT, a language for representing knowledge in artificial intelligence programs. D-SCRIPT contains a powerful formalism for descriptions, which permits the representation of statements that are problematical for other systems. Particular attention is paid to problems of opaque…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

50.

The Structure of Mathematical Knowledge
Michener, Edwina Rissland

Formato:
Enlaces:	This report develops a conceptual framework in which to talk about mathematical knowledge. There are several broad categories of mathematical knowledge: results which contain the traditional logical aspects of mathematics; examples which contain illustrative material; and concepts which include formal…
Fecha:	2004-10-20
Recurso:	MIT