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Aproximadamente 213 registro(s) hasta el momento: (knowledge)

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Recurso libre

Capturing Intuitive Knowledge in Procedural Description
Bamberger, Jeanne

Formato:
Enlaces:	Trying to capture intuitive knowledge is a little like trying to capture the moment between what just happened and what is about to happen. Or to quote a famous philosopher, "You can't put your foot in the same river once."…
Fecha:	2004-10-04
Recurso:	MIT

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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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Learning and Reasoning by Analogy: The Details
Winston, Patrick H.

Formato:
Enlaces:	We use analogy when we say something is a Cinderella story and when we learn about resistors by thinking about water pipes. We also use analogy when we learn subjects like Economics, Medicine and Law. This paper presents a theory…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

The Genetic Epistemology of Rule Systems
Goldstein, Ira P.

Formato:
Enlaces:	I shall describe a model of the evolution of the rule-structured knowledge that serves as a cornerstone of our development of computer-based coaches. The key idea is a graph structure whose nodes represent rules, and whose links represent various evolutionary…
Fecha:	2004-10-01
Recurso:	MIT

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Towards a Computational Theory of Definite Anaphora Comprehension in English Discourse
Sidner, Candace Lee

Formato:
Enlaces:	This report investigates the process of focussing as a description and explanation of the comprehension of certain anaphoric expressions in English discourse. The investigation centers on the interpretation of definite anaphora, that is, on the personal pronouns, and noun phrases…
Fecha:	2004-10-20
Recurso:	MIT

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Automated Information Extraction to Support Biomedical Decision Model Construction: A Preliminary Design
Li, Xiaoli - Leong, Tze Yun

Formato:	Article
Enlaces:	We propose an information extraction framework to support automated construction of decision models in biomedicine. Our proposed technique classifies text-based documents from a large biomedical literature repository, e.g., MEDLINE, into predefined categories, and identifies important keywords for each category based…
Fecha:	2003-12-13
Recurso:	MIT

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Procedures as a Representation for Data in a Computer Program for Understanding Natural Language
Winograd, Terry

Formato:
Enlaces:	This paper describes a system for the computer understanding of English. The system answers questions, executes commands, and accepts information in normal English dialog. It uses semantic information and context to understand discourse and to disambiguate sentences. It combines a…
Fecha:	2004-10-20
Recurso:	MIT

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Automated Reasoning About Classical Mechanics
Wong, Leon

Formato:
Enlaces:	In recent years, researchers in artificial intelligence have become interested in replicating human physical reasoning talents in computers. One of the most important skills in this area is predicting how physical systems will behave. This thesis discusses an implemented program…
Fecha:	2004-10-20
Recurso:	MIT

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Intelligence by Design: Principles of Modularity and Coordination for Engineerin
Bryson, Joanna J.

Formato:
Enlaces:	All intelligence relies on search --- for example, the search for an intelligent agent's next action. Search is only likely to succeed in resource-bounded agents if they have already been biased towards finding the right answer. In artificial agents, the…
Fecha:	2004-10-20
Recurso:	MIT

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10.

City knowledge : an emergent information infrastructure for sustainable urban maintenance, management and planning
Carrera, Fabio, 1961-

Formato:	Thesis
Enlaces:	(cont.) updates. It produces plan-ready information, by exploiting the self-serving and opportunistic pursuit of instant return-on-investment by frontline offices. Thanks to its emergent qualities, City Knowledge engenders unexpected plan-demanding situations, where the ability to conduct second-order analyses leads to deeper…
Fecha:	2005-09-27
Recurso:	MIT

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11.

Towards a unified framework for sub-lexical and supra-lexical linguistic modeling
Mou, Xiaolong, 1973-

Formato:	Thesis
Enlaces:	Conversational interfaces have received much attention as a promising natural communication channel between humans and computers. A typical conversational interface consists of three major systems: speech understanding, dialog management and spoken language generation. In such a conversational interface, speech recognition…
Fecha:	2005-10-14
Recurso:	MIT

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12.

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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13.

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

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14.

Knowledge Base Integration: What Can We Learn from Database Integration Research?
Lee, Jintae

Formato:
Enlaces:	This paper examines the issues and the solutions that have been studied in database (DB) integration research and tries to draw lessons from them for knowledge base (KB) integration.
Fecha:	2004-10-04
Recurso:	MIT

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15.

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

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16.

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

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17.

Organizational design : the integration of pharmaceutical discovery and development
Smith, Peter J. A. (Peter John Anthony), 1959-

Formato:	Thesis
Enlaces:	The decline in Pharmaceutical R&D productivity has been attributed to high clinical failure rates suggesting that targets, leads and clinical candidates may be of lower quality in recent years. Senior R&D management generally believes that a greater integration of drug…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

18.

Explicit Control of Reasoning
Kleer, Johan de - Doyle, Jon - Steele, Guy L., Jr. - Sussman, Gerald Jay

Formato:
Enlaces:	The construction of expert problem-solving systems requires the development of techniques for using modular representations of knowledge without encountering combinatorial explosions in the solution effort. This report describes an approach to dealing with this problem based on making some knowledge…
Fecha:	2004-10-01
Recurso:	MIT

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19.

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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20.

Qualitative Knowledge, Casual Reasoning and the Localization of Failures
Brown, Allen

Formato:
Enlaces:	This report investigates some techinques appropriate to representing the knowledge necessary for understanding a class of electronic machines -- radio receivers. A computational performance model - WATSON - is presented. WATSONs task is to isolate failures in radio receivers whose…
Fecha:	2004-10-20
Recurso:	MIT

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21.

Automobile Recycling Policy: Findings and Recommendations
Field, Frank - Ehrenfeld, John - Roos, Dan - Clark, Joel

Formato:
Enlaces:	This report focuses on recycling. As an objective neutral party, MIT has compiled a knowledge base that examines the many complex issues relating to re-cycling. Although this report was prepared at the request of the Automotive board of Governors, it…
Fecha:	2002-09-25
Recurso:	MIT

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22.

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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23.

Qualitative and Quantitative Knowledge in Classical Mechanics
Kleer, Johan De

Formato:
Enlaces:	This thesis investigates what knowledge is necessary to solve mechanics problems. A program NEWTON is described which understands and solves problems in mechanics mini-world of objects moving on surfaces. Facts and equations such as those given in mechanics text need…
Fecha:	2004-10-20
Recurso:	MIT

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24.

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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25.

Towards trainable man-machine interfaces : combining top-down constraints with bottom-up learning in facial analysis, Towards man-machine interfaces : combining top-down constraints with bottom-up learning
Kumar, Vinay P. (Vinay Prasanna), 1972-

Formato:	Thesis
Enlaces:	This thesis proposes a miethodology for the design of man-machine interfaces by combining top-down and bottom-up processes in vision. From a computational perspective, we propose that the scientific-cognitive question of combining top-down and bottom-up knowledge is similar to the engineering…
Fecha:	2005-10-14
Recurso:	MIT

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26.

Spatial Knowledge
Kuipers, Benjamin

Formato:
Enlaces:	This paper introduces a model of spatial cognition to describe the states of partial knowledge that people have about the spatial structure of a large-scale environment. Spatial knowledge has several different representations, each of which captures one aspect of the…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

27.

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

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28.

Kinetics and dynamics measured using IntraCavity Laser Absorption Spectroscopy, Kinetics and dynamics measured using ICLAS
Witonsky, Scott Kenneth, 1975-

Formato:	Thesis
Enlaces:	IntraCavity Laser Absorption Spectroscopy (ICLAS) is a high-resolution, high sensitivity spectroscopic method capable of measuring line positions, linewidths, lineshapes, and absolute line intensities with a sensitivity that far exceeds that of a traditional multiple pass absorption cell or Fourier Transform…
Fecha:	2005-03-22
Recurso:	MIT

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29.

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

30.

Heuristic communications support systems for knowledge management
Sekioka, Yasuyuki

Formato:	Thesis
Enlaces:	by Yasuyuki Sekioka., Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1997., Includes bibliographical references (leaves 128-134).
Fecha:	2005-08-18
Recurso:	MIT

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31.

Improving Data Quality Through Effective Use of Data Semantics
Madnick, Stuart E.

Formato:	Article
Enlaces:	Data quality issues have taken on increasing importance in recent years. In our research, we have discovered that many “data quality” problems are actually “data misinterpretation” problems – that is, problems with data semantics. In this paper, we first illustrate…
Fecha:	2003-12-13
Recurso:	MIT

Recurso libre

32.

Jokes and the Logic of the Cognitive Unconscious
Minsky, Marvin

Formato:
Enlaces:	Freud's theory of jokes explains how they overcome the mental "censors" that make it hard for us to think "forbidden" thoughts. But his theory did not work so well for humorous nonsense as for other comical subjects. In this essay…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

33.

The Progressive Construction of Mind
Lawler, Robert W.

Formato:
Enlaces:	We propose a vision of the structure of knowledge and processes of learning based upon the particularity of experience. Highly specific cognitive structures are constructed through activities in limited domains of experience. For new domains, new cognitive structures develop from…
Fecha:	2004-10-01
Recurso:	MIT

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34.

On "Learnable" Representations of Knowledge: A Meaning for the Computational Metaphor
diSessa, Andrea A.

Formato:
Enlaces:	The computational metaphor which proposes the comparison of processes of mind to realizable or imaginable computer activities suggests a number of educational concerns. This paper discusses some of those concerns including procedural modes of knowledge representation and control knowledge ??owing…
Fecha:	2004-10-01
Recurso:	MIT

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35.

Frame-based Text Processing
Rosenberg, Steven T.

Formato:
Enlaces:	This paper presents an overview of a theory of discourse structure, and discusses a model for assimilating text into a frame-based data structure. The model has been applied to the analysis of news articles. The theory assumes sentences contain links…
Fecha:	2004-10-01
Recurso:	MIT

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36.

Using English For Indexing and Retrieving
Katz, Boris

Formato:
Enlaces:	This paper describes a natural language system START. The system analyzes English text and automatically transforms it into an appropriate representation, the knowledge base, which incorporates the information found in the text. The user gains access to information stored in…
Fecha:	2004-10-04
Recurso:	MIT

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37.

Reasoning from Incomplete Knowledge in a Procedural Deduction System
Moore, Robert Carter

Formato:
Enlaces:	One very useful idea in AI research has been the notion of an explicit model of a problem situation. Procedural deduction languages, such as PLANNER, have been valuable tools for building these models. But PLANNER and its relatives are very…
Fecha:	2004-10-20
Recurso:	MIT

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38.

Roles of Knowledge in Motor Learning
Atkeson, Christopher Granger

Formato:
Enlaces:	The goal of this thesis is to apply the computational approach to motor learning, i.e., describe the constraints that enable performance improvement with experience and also the constraints that must be satisfied by a motor learning system, describe what is…
Fecha:	2004-10-20
Recurso:	MIT

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39.

Representing Knowledge of Large-Scale Space
Kuipers, Benjamin J.

Formato:
Enlaces:	This dissertation presents a model of the knowledge a person has about the spatial structure of a large-scale environment: the "cognitive map". The functions of the cognitive map are to assimilate new information about the environment, to represent the current…
Fecha:	2004-10-20
Recurso:	MIT

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40.

Introduction to the Calculus of Knowledge
Raphael, Bertram

Formato:
Enlaces:	This paper deals with the "Calculus of Knowledge", an extension of the propositional calculus in which one may reason about what other people know. Semantic and Syntactic systems are developed, certain theorems are proven, and a formal solution in the…
Fecha:	2004-10-04
Recurso:	MIT

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41.

Developing an integrated building design tool by coupling building energy simulation and computational fluid dynamics programs
Zhai, Zhiqiang, 1971-

Formato:	Thesis
Enlaces:	Building energy simulation (ES) and computational fluid dynamics (CFD) can play important roles in building design by providing essential information to help design energy-efficient, thermally comfortable and healthy buildings. However, separate applications of ES and CFD usually cannot give an…
Fecha:	2005-06-02
Recurso:	MIT

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42.

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

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43.

Cognitive-developmental learning for a humanoid robot : a caregiver's gift
Arsenio, Artur Miguel Do Amaral, 1972-

Formato:	Thesis
Enlaces:	(cont.) which are then applied to developmentally acquire new object representations. The humanoid robot therefore sees the world through the caregiver's eyes. Building an artificial humanoid robot's brain, even at an infant's cognitive level, has been a long quest which…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

44.

Artificial Intelligence, Language and the Study of Knowledge
Goldstein, Ira - Papert, Seymour

Formato:
Enlaces:	This paper studies the relationship of Artificial Intelligence to the study of language and the representation of the underlying knowledge which supports the comprehension process. It develops the view that intelligence is based on the ability to use large amounts…
Fecha:	2004-10-04
Recurso:	MIT

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45.

Test Generation Guided Design for Testability
Wu, Peng

Formato:
Enlaces:	This thesis presents a new approach to building a design for testability (DFT) system. The system takes a digital circuit description, finds out the problems in testing it, and suggests circuit modifications to correct those problems. The key contributions of…
Fecha:	2004-10-20
Recurso:	MIT

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46.

Controlling the reactivity of Mo(III) with di- and tri-atomic molecules via sterically demanding ligands
Cherry, John-Paul F. (John-Paul Francis), 1971-

Formato:	Thesis
Enlaces:	Chapter 1. Molybdenum Dinitrogen Chemistry: Formation and Reactivity of (Ar[tBu]N)3MoN2- A collection of (Ar[tBu]N)3MoN2- compounds, supported with Na+, K+, Mg2+ and Ca2+ have been prepared through a variety of synthetic routes. In several experiments, N2 was replaced with other small…
Fecha:	2005-08-23
Recurso:	MIT

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47.

A Hybrid Intelligent System for Stamping Process Planning in Progressive Die Design
Zhang, W.Y. - Tor, Shu Beng - Britton, G.A.

Formato:	Article
Enlaces:	This paper presents an intelligent, hybrid system for stamping process planning in progressive die design. The system combines the flexibility of blackboard architecture with case-based reasoning. The hybrid system has the advantage that it can use past knowledge and experience…
Fecha:	2003-12-14
Recurso:	MIT

Recurso libre

48.

Understanding Understanding Mathematics
Michener, Edwina Rissland

Formato:
Enlaces:	In this paper we look at some of the ingredients and processes involved in the understanding of mathematics. We analyze elements of mathematical knowledge, organize them in a coherent way and take note of certain classes of items that share…
Fecha:	2004-10-01
Recurso:	MIT

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49.

NUDGE, A Knowledge-Based Scheduling Program
Goldstein, Ira P. - Roberts, R. Bruce

Formato:
Enlaces:	Traditional scheduling algorithms (using the techniques of PERT charts, decision analysis or operations research) require well-defined quantitative, complete sets of constraints. They are insufficient for scheduling situations where the problem description is ill-defined, involving incomplete, possibly inconsistent and generally qualitative…
Fecha:	2004-10-01
Recurso:	MIT

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50.

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