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Aproximadamente 5578 registro(s) hasta el momento: (knowledge)

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Recurso libre

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

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

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

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

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

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

Recurso libre

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

Recurso libre

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

Recurso libre

Characterization of atmospheric particles: analysis of particles in the Campo de Gibraltar
UMBRÍA,A. - GALÁN,M. - MUÑOZ,M. J. - MARTÍN,R.

Formato:	journal article
Enlaces:	Campo de Gibraltar is a highly industrialized area situated in the South of Spain around Algeciras bay (36° 7'N, 5°27'W). This area has an advantageous situation from a geographical, geological and botanical points of view. However, high wind speeds and…
Fecha:	2004-10-01
Recurso:	SCIELO

Recurso libre

10.

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

11.

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

12.

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

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

Recurso libre

14.

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

15.

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

16.

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

17.

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

18.

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

19.

Taphonomy: A new science that studies the geological past, La tafonomía una ciencia nueva que estudia el pasado geológico
Gómez Espinosa, Catalina - Gío Argaez, Raúl

Formato:	,
Enlaces:	This article shows taphonomy as a branch of paleontological knowledge that studies the effects of the post-mortem process and how they affect information in the fossil record., La tafonomía es el estudio de de los procesos posmortem, es decir, el…
Fecha:	2009-10-01
Recurso:	Revistas UNAM

Recurso libre

20.

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

21.

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

22.

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

23.

Organizing a Global Coordinate System from Local Information on an Amorphous Computer
Nagpal, Radhika

Formato:
Enlaces:	This paper demonstrates that it is possible to generate a reasonably accurate coordinate system on randomly distributed processors, using only local information and local communication. By coordinate systems we imply that each element assigns itself a logical coordinate that maps…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

24.

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

25.

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

26.

Editorial
Robinson, Gertrude J.; McGill University

Formato:	info:eu-repo/semantics/article, editorial, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

27.

Guest Editors' Introduction
Savage, Philip; Canadian Broadcasting Corporation - Gilsdorf, Bill; Concordia University - Hackett, Robert; Simon Fraser University

Formato:	info:eu-repo/semantics/article, editorial, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

28.

The Methodology and Procedures of the National Media Archive
Miljan, Lydia A.; The National Media Archive

Formato:	info:eu-repo/semantics/article, article-commentary, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

29.

Balance Is in the Eye of the Beholder
Raboy, Marc; Laval University

Formato:	info:eu-repo/semantics/article, article-commentary, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

30.

Balance and Related Concepts: A Few Thoughts
Morgan, William; Canadian Broadcasting Corporation

Formato:	info:eu-repo/semantics/article, article-commentary, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

31.

Weights and Measures: Issues of Balance in Media Content
Salter, Liora; York University

Formato:	info:eu-repo/semantics/article, article-commentary, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

32.

How Do Journalists Think?: A Proposal for the Study of Cognitive Bias in Newsmaking
Andrew MacFarlane, ; University of Western Ontario

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

33.

A Dictionary of Communication and Media Studies (Second Edition)
James M. Linton, ; University of Windsor

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

34.

Crime Stoppers: A Study in the Organization of Community Policing (Research Report No.24)
Gerald B. Sperling, ; University of Regina

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

35.

Image Ethics: The Moral Rights of Subjects in Photographs, Film, and Television
Donald J. Gillies, ; Ryerson Polytechnical Institute

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

36.

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

37.

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

38.

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

39.

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

40.

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

41.

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

42.

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

43.

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

44.

Computational Structure of Human Language
Ristad, Eric Sven

Formato:
Enlaces:	The central thesis of this report is that human language is NP-complete. That is, the process of comprehending and producing utterances is bounded above by the class NP, and below by NP-hardness. This constructive complexity thesis has two empirical consequences.…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

45.

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

Recurso libre

46.

News Balance Rhetoric: The Fraser Institute's Political Appropriation of Content Analysis
Hackett, Robert A.; Simon Fraser University - Gilsdorf, William O.; Concordia University - Savage, Philip; Canadian Broadcasting Corporation

Formato:	info:eu-repo/semantics/article, research-article, info:eu-repo/semantics/publishedVersion
Enlaces:	Abstract: The Fraser Institute's bulletin On Balance, which offers monthly content analyses of news, is critically examined. Methodological, conceptual and epistemological problems are discussed, as well as a rhetorical mode of reporting results which implies a politicized interpretation of news.
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

47.

Feminisms and Balance
Strutt, Suzanne; Simon Fraser University - Hissey, Lynne; Simon Fraser University

Formato:	info:eu-repo/semantics/article, research-article, info:eu-repo/semantics/publishedVersion
Enlaces:	Abstract: Feminist perspectives on balance take one of two forms: they are critiques of either "bad balance'' or "balance as usual.'' While the critique of bad balance has led to some important feminist interventions in the regulatory arena, the feminist
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

48.

Free Trade on Television: The Triumph of Business Rhetoric
Block, Stephen; Concordia University

Formato:	info:eu-repo/semantics/article, research-article, info:eu-repo/semantics/publishedVersion
Enlaces:	Abstract: This paper attempts to unravel the very complex issue of balance first by addressing its historical and theoretical contexts. Then the coverage of the U.S.-Canada Free Trade Agreement (FTA) is used as a case study. Résumé: Dans…
Fecha:	1992-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

49.

Restauración y revegetación de taludes de carreteras en ambientes mediterráneos semiáridos: procesos edáficos determinantes para el éxito, Restoration and revegetation of road slopes in semiarid Mediterranean environments: edaphic processes determining success
Tormo Blanes, Jaume - Bochet Soler-Espiauba, Esther - García Fayos, Patricio

Formato:	info:eu-repo/semantics/article
Enlaces:	La construcción de carreteras y otras obras públicas produce impactos ambientales severos que afectan a las propiedades de los ecosistemas. Los taludes generados en estas obras presentan escasas coberturas vegetales y el establecimiento de la vegetación, tanto de forma natural…
Fecha:	2009-10-13
Recurso:	RUA Docencia

Recurso libre

50.

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