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Aproximadamente 453 registro(s) hasta el momento: (knowledge)

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Recurso libre

Learning commonsense categorical knowledge in a thread memory system
Stamatoiu, Oana L. (Oana Liana), 1981-

Formato:	Thesis
Enlaces:	If we are to understand how we can build machines capable of broad purpose learning and reasoning, we must first aim to build systems that can represent, acquire, and reason about the kinds of commonsense knowledge that we humans have…
Fecha:	2005-06-02
Recurso:	MIT

Recurso libre

Adaptive modeling of GPS receiver clock for integrity monitoring during precision approaches, Adaptive modeling of Global Positioning System receiver clock for integrity monitoring during precision approaches
Bednarz, Sean G. (Sean Garrett), 1980-

Formato:	Thesis
Enlaces:	The FAA is developing the Local Area Augmentation System (LAAS) to replace ground-based navigation aids as the primary means of aircraft precision approaches. Stringent requirements on the integrity of the system have caused significant delays and raised questions about the…
Fecha:	2005-06-02
Recurso:	MIT

Recurso libre

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

Semantics of Inheritance and Attributions in the Description System Omega
Attardi, Giuseppe - Simi, Maria

Formato:
Enlaces:	Omega is a description system for knowledge embedding which incorporates some of the attractive modes of expression in common sense reasoning such as descriptions, inheritance, quantification, negation, attributions and multiple viewpoints. A formalization of Omega is developed as a framework…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

Flavors: Message Passing in the Lisp Machine
Weinreb, Daniel - Moon, David

Formato:
Enlaces:	The object oriented programming style used in the Smalltalk and Actor languages is available in Lisp Machine Lisp, and used by the Lisp Machine software system. It is used to perform generic operations on objects. Part of its implementation is…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

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

Repairing Learned Knowledge Using Experience
Winston, Patrick H. - Rao, Satayjit

Formato:
Enlaces:	Explanation-based learning occurs when something useful is retained from an explanation, usually an account of how some particular problem can be solved given a sound theory. Many real-world explanations are not based on sound theory, however, and wrong things may…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

Natural Learning
Miller, Laurence

Formato:
Enlaces:	This memo reports the results of a case study into how children learn in the absence of explicit teaching. The three subjects, an eight year old, a ten year old and a thirteen year old were observed in both of…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

Segmentation and Alignment of Speech and Sketching in a Design Environment
Adler, Aaron D.

Formato:
Enlaces:	Sketches are commonly used in the early stages of design. Our previous system allows users to sketch mechanical systems that the computer interprets. However, some parts of the mechanical system might be too hard or too complicated to express in…
Fecha:	2004-10-20
Recurso:	MIT

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10.

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

11.

The key elements of advocacy marketing
Yamaoka, Takashi, 1968-

Formato:	Thesis
Enlaces:	Customer power is growing, and customers now have tools that inform them of the true state of affairs. This power enables them to avoid the pushy messages of marketers, make their own decisions, and determine what to buy. A company…
Fecha:	2005-06-02
Recurso:	MIT

Recurso libre

12.

Inferring regulatory networks from multiple sources of genomic data
Yeang, Chen-Hsiang, 1969-

Formato:	Thesis
Enlaces:	(cont.) algorithm to identify the regulatory models from protein-DNA binding and gene expression data. These models to a large extent agree with the knowledge of gene regulation pertaining to the corresponding regulators. The three works in this thesis provide a…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

13.

Strained Silicon on Silicon by Wafer Bonding and Layer Transfer from Relaxed SiGe Buffer
Isaacson, David M. - Taraschi, G. - Pitera, Arthur J. - Ariel, Nava - Fitzgerald, Eugene A. - Langdo, Thomas A.

Formato:	Article
Enlaces:	We report the creation of strained silicon on silicon (SSOS) substrate technology. The method uses a relaxed SiGe buffer as a template for inducing tensile strain in a Si layer, which is then bonded to another Si handle wafer. The…
Fecha:	2004-12-10
Recurso:	MIT

Recurso libre

14.

Performance-Driven Microfabrication-Oriented Methodology for MEMS Conceptual Design with Application in Microfluidic Device Design
Deng, Y.-M. - Lu, Wen Feng

Formato:	Article
Enlaces:	Performance and manufacturability are two important issues that must be taken into account during MEMS design. Existing MEMS design models or systems follow a process-driven design paradigm, that is, design starts from the specification of process sequence or the customization…
Fecha:	2004-12-14
Recurso:	MIT

Recurso libre

15.

Inverse Metabolic Engineering of Synechocystis PCC 6803 for Improved Growth Rate and Poly-3-hydroxybutyrate Production
Tyo, Keith E. - Stephanopoulos, Gregory

Formato:	Article
Enlaces:	Synechocystis PCC 6803 is a photosynthetic bacterium that has the potential to make bioproducts from carbon dioxide and light. Biochemical production from photosynthetic organisms is attractive because it replaces the typical bioprocessing steps of crop growth, milling, and fermentation, with…
Fecha:	2004-12-15
Recurso:	MIT

Recurso libre

16.

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

17.

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

18.

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

19.

Mapping the R&D knowledge network, Mapping the research and development knowledge network
Liew, Kou-Yew, 1972-

Formato:	Thesis
Enlaces:	Knowledge networks have received a significant amount of attention in the past few decades as people look beyond corporate governance and resource-based approaches to uncover sources of competitive advantage. While this area of research is useful for organizations in general,…
Fecha:	2005-06-02
Recurso:	MIT

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20.

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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21.

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

Recurso libre

22.

Modular knowledge integration interface for the START natural language engine, Modular knowledge integration interface for the SynTactic Analysis using Reversible Transformations natural language engine
Talgar, Levent M. (Levent Mehmet), 1975-

Formato:	Thesis
Enlaces:	by Levent M. Talgar., Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998., Includes bibliographical references (leaf 32).
Fecha:	2005-08-19
Recurso:	MIT

Recurso libre

23.

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

24.

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

25.

Managing revisions of rules and guidelines used in clinical information systems : exploring a hierarchical knowledge representation model
Scott-Wright, Alicia, 1949-

Formato:	Thesis
Enlaces:	One important purpose for creating clinical practice guidelines is to improve quality of care by reducing variations in practice. In the current healthcare environment, guidelines are being advocated as a means to disseminate research findings, standardize care, improve quality of…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

26.

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

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.

Emerging technology intelligence : scanning and monitoring for strategic planning
Brockley, Ellen M. (Ellen Marie), 1961-

Formato:	Thesis
Enlaces:	In recent years we have seen a confluence of science and technology that portends great impact to business strategy and product development. Just as physicists, chemists and biologists have extended their knowledge to other fields in pursuit of their own…
Fecha:	2005-06-02
Recurso:	MIT

Recurso libre

30.

3-round weak zero-knowledge proofs for [Nu] [Rho], Three-round weak ZK proofs for [Nu] [Rho]
Lim, Dah-Yoh, 1978-

Formato:	Thesis
Enlaces:	(cont.) to the verifier., We consider an implementation of a weakened notion of zero-knowledge (weak ZK) where the simulator is also allowed to depend on the distinguisher as well, so this type of ZK entails exhibiting an efficient simulator for…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

31.

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

32.

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

33.

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

34.

Architecture and optimization for a peer-to-peer content management system
Edge, Dion M. (Dion Miguel), 1975-

Formato:	Thesis
Enlaces:	This thesis will explore the design and optimization of a peer-to-peer network application as a solution to complex content management problems. Currently, most content management systems are expensive, cumbersome and inflexible custom solutions that require knowledge workers to change their…
Fecha:	2005-09-26
Recurso:	MIT

Recurso libre

35.

Building a trajectory syntax through language evolution
Kim, Anthony Hahn, 1980-

Formato:	Thesis
Enlaces:	If we are to understand the innately human ability to solve complex problems, we must first understand the cognitive processes that allow us to combine different kinds of knowledge, to learn new things and to communicate with other people. I…
Fecha:	2005-09-26
Recurso:	MIT

Recurso libre

36.

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

37.

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

38.

Service delivery and learning in automated interfaces
Oliveira, Paulo Rocha e, 1974-

Formato:	Thesis
Enlaces:	This dissertation analyzes the strategic implications of customization policies available to companies that must simultaneously provide service and learn about their customers through automated interfaces. The first part of the dissertation lays out the theoretical framework within which the analysis…
Fecha:	2005-10-14
Recurso:	MIT

Recurso libre

39.

Information technology and business transformation : work location and the allocation of decision rights
Fitoussi, David, 1974-

Formato:	Thesis
Enlaces:	(cont.) as well, firms have an incentive to require coordinated investments in technology across the enterprise. Still, research in IS has also highlighted the fact that the productivity of computer investments is highly dependent on co-investment in complementary assets (for…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

40.

Sensing and modeling human networks
Choudhury, Tanzeem Khalid, 1975-

Formato:	Thesis
Enlaces:	Knowledge of how groups of people interact is important in many disciplines, e.g. organizational behavior, social network analysis, knowledge management and ubiquitous computing. Existing studies of social network interactions have either been restricted to online communities, where unambiguous measurements about…
Fecha:	2005-05-17
Recurso:	MIT

Recurso libre

41.

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

42.

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

43.

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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44.

System for the online assessment of distributed projects
Shiraishi, Fumiaki, 1977-

Formato:	Thesis
Enlaces:	The collaboration of researchers in different fields, institutions, and nations continues to be important as new ideas and solutions result from the combination of different knowledge and experiences. The Cambridge MIT Institute (CMI) Online Project Assessment System(OPAS) aims to collect…
Fecha:	2005-06-02
Recurso:	MIT

Recurso libre

45.

A theoretical plasma physics model of the plasmatron
Burns, Barrett A. (Barrett Adams), 1972-

Formato:	Thesis
Enlaces:	An analysis was conducted to determine the behavior of a high pressure electric arc discharge inside the Plasmatron Fuel Reformer. The Plasmatron Fuel Reformer uses an electric arc to partially combust fuel in an internal combustion engine to increase efficiency…
Fecha:	2005-09-06
Recurso:	MIT

Recurso libre

46.

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

47.

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

48.

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

49.

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

50.

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