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Aproximadamente 297 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

Recurso libre

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

Recurso libre

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

Recurso libre

Knowledge repair
Rao, Satyajit, 1965-

Formato:	Thesis
Enlaces:	by Satyajit Rao., Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1992., Includes bibliographical references (p. 64-65).
Fecha:	2005-08-15
Recurso:	MIT

Recurso libre

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

A Comparative Analysis of Reinforcement Learning Methods
Mataric, Maja

Formato:
Enlaces:	This paper analyzes the suitability of reinforcement learning (RL) for both programming and adapting situated agents. We discuss two RL algorithms: Q-learning and the Bucket Brigade. We introduce a special case of the Bucket Brigade, and analyze and compare its…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

Phase Space Navigator: Towards Automating Control Synthesis in Phase Spaces for Nonlinear Control Systems
Zhao, Feng

Formato:
Enlaces:	We develop a novel autonomous control synthesis strategy called Phase Space Navigator for the automatic synthesis of nonlinear control systems. The Phase Space Navigator generates global control laws by synthesizing flow shapes of dynamical systems and planning and navigating system…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

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

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

10.

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

Recurso libre

11.

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

Recurso libre

12.

Observations on Cognitive Judgments
McAllester, David

Formato:
Enlaces:	It is obvious to anyone familiar with the rules of the game of chess that a king on an empty board can reach every square. It is true, but not obvious, that a knight can reach every square. Why is…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

13.

Automatic Design of a Maglev Controller in State Space
Zhao, Feng - Thorton, Richard

Formato:
Enlaces:	We describe the automatic synthesis of a global nonlinear controller for stabilizing a magnetic levitation system. The synthesized control system can stabilize the maglev vehicle with large initial displacements from an equilibrium, and possesses a much larger operating region than…
Fecha:	2004-10-08
Recurso:	MIT

Recurso libre

14.

Projective Structure from Two Uncalibrated Images: Structure from Motion and RecRecognition
Shashua, Amnon

Formato:
Enlaces:	This paper addresses the problem of recovering relative structure, in the form of an invariant, referred to as projective structure, from two views of a 3D scene. The invariant structure is computed without any prior knowledge of camera geometry, or…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

15.

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

16.

Recognition and Structure from One 2D Model View: Observations on Prototypes, Object Classes and Symmetries
Poggio, Tomaso - Vetter, Thomas

Formato:
Enlaces:	In this note we discuss how recognition can be achieved from a single 2D model view exploiting prior knowledge of an object's structure (e.g. symmetry). We prove that for any bilaterally symmetric 3D object one non- accidental 2D model view…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

17.

Data and Model-Driven Selection Using Color Regions
Syeda-Mahmood, Tanveer Fathima

Formato:
Enlaces:	A key problem in model-based object recognition is selection, namely, the problem of determining which regions in the image are likely to come from a single object. In this paper we present an approach that extracts and uses color region…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

18.

Automatic Analysis and Synthesis of Controllers for Dynamical Systems Based On P
Zhao, Feng

Formato:
Enlaces:	I present a novel design methodology for the synthesis of automatic controllers, together with a computational environment---the Control Engineer's Workbench---integrating a suite of programs that automatically analyze and design controllers for high-performance, global control of nonlinear systems. This work demonstrates…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

19.

Causal Reconstruction
Borchardt, Gary C.

Formato:
Enlaces:	Causal reconstruction is the task of reading a written causal description of a physical behavior, forming an internal model of the described activity, and demonstrating comprehension through question answering. T his task is difficult because written d escriptions often do…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

20.

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

21.

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

22.

Teaching of Procedures-Progress Report
Sussman, Gerald Jay

Formato:
Enlaces:	The idea of building a programmer is very seductive in that it holds the promise of massive bootstrapping and thus ties in with many ideas about learning and teaching. I will avoid going into those issues here. It is necessary,…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

23.

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

24.

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

Recurso libre

25.

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

26.

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

27.

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

28.

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

Recurso libre

29.

SweetDeal: Representing Agent Contracts With Exceptions using XML Rules, Ontologies, and Process Descriptions
GROSOF, BENJAMIN - POON, TERRENCE C.

Formato:	Working Paper
Enlaces:	SweetDeal is a rule-based approach to representation of business contracts that enables software agents to create, evaluate, negotiate, and execute contracts with substantial automation and modularity. It builds upon the situated courteous logic programs knowledge representation in RuleML, the emerging…
Fecha:	2003-09-16
Recurso:	MIT

Recurso libre

30.

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

Recurso libre

31.

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

Recurso libre

32.

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

Recurso libre

33.

Using Analogy to Acquire Commonsense Knowledge from Human Contributors
Chklovski, Timothy

Formato:
Enlaces:	The goal of the work reported here is to capture the commonsense knowledge of non-expert human contributors. Achieving this goal will enable more intelligent human-computer interfaces and pave the way for computers to reason about our world. In the domain…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

34.

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

Recurso libre

35.

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

Recurso libre

36.

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

Recurso libre

37.

Building internal knowledge networks in the multinational corporation : a study of international research and development
Sommer, Robert W. (Robert William)

Formato:	Thesis
Enlaces:	by Robert W. Sommer., Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1992., Title as it appears in the M.I.T. Graduate List, June 1992: Building internal knowledge networks in multinational corporations, a study of cross-border research and development., Includes…
Fecha:	2005-08-15
Recurso:	MIT

Recurso libre

38.

The knowledge evolution framework : a knowledge management perspective on the impact of knowledge segregation on product development projects
Chi, Jeffrey C. (Jeffrey Chien-Chuen)

Formato:	Thesis
Enlaces:	by Jeffrey C. Chi., Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2001., Includes bibliographical references (p. 199-216).
Fecha:	2005-08-23
Recurso:	MIT

Recurso libre

39.

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

40.

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

41.

Three-dimensional representations of video using knowledge based estimation
Holtzman, Henry Neil

Formato:	Thesis
Enlaces:	by Henry Neil Holtzman., Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture, 1991., Includes bibliographical references (leaves 63-66).
Fecha:	2005-08-15
Recurso:	MIT

Recurso libre

42.

The Design and Implementation of a Corporate Householding Knowledge Processor to Improve Data Quality
Madnick, Stuart - Wang, Richard - Xian, Xiang

Formato:	Working Paper
Enlaces:	Advances in Corporate Householding are needed to address certain categories of data quality problems caused by data misinterpretation. In this paper, we first summarize some of these data quality problems and our more recent results from studying corporate householding applications…
Fecha:	2004-02-06
Recurso:	MIT

Recurso libre

43.

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

44.

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

Recurso libre

45.

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

Recurso libre

46.

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

Recurso libre

47.

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

Recurso libre

48.

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

Recurso libre

49.

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

Recurso libre

50.

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