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Aproximadamente 372 registro(s) hasta el momento: (knowledge)

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Recurso libre

Towards Man-Machine Interfaces: Combining Top-down Constraints with Bottom-up Learning in Facial Analysis
Kumar, Vinay P.

Formato:
Enlaces:	This thesis proposes a methodology 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:	2004-10-01
Recurso:	MIT

Recurso libre

Reducing Impediments to Collaboration in a Virtual Design World
Seshasai, Satwik - Gupta, Amar - Sainath, Tara

Formato:
Enlaces:	This paper presents a knowledge-based approach to reducing impediments to collaboration in a distributed environment. A major impediment to such collaboration is the issue of communications - clearly and efficiently expressing the desires of every stakeholder in the process, as…
Fecha:	2002-09-25
Recurso:	MIT

Recurso libre

Does the Regional Myth Still Hold? An Interim Report
Nishiguchi, Toshihiro - Oue, Shingo

Formato:
Enlaces:	This paper introduces our ongoing analysis of auto component development data obtained from Nishiguchi's research sponsored by MIT's International Motor Vehicle Program (IMVP). The main results of this paper can be found in the section of Research Results where a…
Fecha:	2002-09-04
Recurso:	MIT

Recurso libre

Is the Make-Buy Decision Process a Core Competence?
Fine, Charles H. - Whitney, Daniel E.

Formato:
Enlaces:	Many of today's products are so complex that no single company has all the necessary knowledge about either the product or the required processes to completely design and manufacture them in-house. As a result, most companies are dependent on others…
Fecha:	2002-09-04
Recurso:	MIT

Recurso libre

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

Efficient Signal, Code, and Receiver Designs for MIMO Communication Systems
Yao, Huan

Formato:	Technical Report
Enlaces:	The so-called diversity-multiplexing tradeoff characterizes the fundamental interaction between the robustness and capacity gains obtainable from multiple-input and multiple-output (MIMO) systems in fading environments. This thesis develops practical schemes for approaching the optimal tradeoff in various delay and complexity regimes.…
Fecha:	2004-09-15
Recurso:	MIT

Recurso libre

A Framework for Low-Complexity Iterative Interference Cancellation in Communication Systems
Chan, Albert M.

Formato:	Technical Report
Enlaces:	Communication over interference channels poses challenges not present for the more traditional additive white Gaussian noise (AWGN) channels. In order to approach the information limits of an interference channel, interference mitigation techniques need to be integrated with channel coding and…
Fecha:	2004-09-20
Recurso:	MIT

Recurso libre

Knowledge Networks, the Internet and, Development
Cukor, Peter - McKnight, Lee

Formato:
Enlaces:	Information and Communications Technologies (ICTs) are playing a significant role in economic, political and cultural development. The relationship between technologies supporting information processing and distribution, and the application of that knowledge for development purposes has only recently come into focus.…
Fecha:	2002-07-22
Recurso:	MIT

Recurso libre

Biocapital : the constitution of post-genomic life
Sunder Rajan, Kaushik, 1974-

Formato:	Thesis
Enlaces:	(cont.) In the process, this thesis intervenes in social theoretical debates not simply around the nature and production of knowledge and value, but also around the place of larger belief-systems - relating to religion, nation and ethics - in such…
Fecha:	2005-09-26
Recurso:	MIT

Recurso libre

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

Recurso libre

11.

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

Recurso libre

12.

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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13.

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

14.

Briefing Paper on Industrial Ecology and EPA
Allen, Derry

Formato:
Enlaces:	Industrial Ecology (IE) is a systems approach to efficient resource use and protection of the environment. Instead of just devising improved methods of waste treatment and disposal, we look for the best opportunities to reduce waste throughout the total material…
Fecha:	2002-09-18
Recurso:	MIT

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15.

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

16.

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

17.

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

18.

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

19.

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

20.

KBEmacs: A Step Toward the Programmer's Apprentice
Waters, Richard C.

Formato:
Enlaces:	The Knowledge-Based Editor in Emacs (KBEmacs) is the current demonstration system implemented as part of the Programmer's Apprentice project. KBEmacs is capable of acting as a semi-expert assistant to a person who is writing a program ??king over some parts…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

21.

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

22.

New Progress in Artificial Intelligence
Winston, Patrick H.

Formato:
Enlaces:	This report concentrates on progress during the last two years at the M.I.T. Artificial Intelligence Laboratory. Topics covered include the representation of knowledge, understanding English, learning and debugging, understanding vision and productivity technology. It is stressed that these various areas…
Fecha:	2004-10-20
Recurso:	MIT

Recurso libre

23.

Collaborating across boundaries : theoretical, empirical, and simulated explorations
Black, Laura J. (Laura Jean), 1963-

Formato:	Thesis
Enlaces:	Complex goods and processes require ever more sophisticated and specialized knowledge; harnessing multiple kinds of expertise to execute tasks, solve problems, and develop strategies is increasingly critical to organizations' survival. When specialists come together, however, they often speak in different…
Fecha:	2005-08-23
Recurso:	MIT

Recurso libre

24.

A framework for low-complexity iterative interference cancellation in communication systems
Chan, Albert M. (Albert Michael), 1975-

Formato:	Thesis
Enlaces:	Communication over interference channels poses challenges not present for the more traditional additive white Gaussian noise (AWGN) channels. In order to approach the information limits of an interference channel, interference mitigation techniques need to be integrated with channel coding and…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

25.

Knowledge trading : computational support for individual and collaborative sense-making activities
Keel, Paul E. (Paul Erich)

Formato:	Thesis
Enlaces:	(cont.) outlined. 2. Demonstration that computer systems can use the discovered relations among data items to help users search for relevant information, prioritize the data exchange between collaborating users, and visualize data in various ways. This investigation looks at how…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

26.

An Approach to the Questionnaire State in the Knowledge-Based Operations Management System
Karmarkar, Uday S.

Formato:	Working Paper
Enlaces:	This paper discusses some preliminary thoughts about the development of a questionnaire for the Knowledge-based Operations Management System (KOMS) project. The questionnaire is designed to elicit information from managers, regarding the type of operating problems faced by them in terms…
Fecha:	2004-05-28
Recurso:	MIT

Recurso libre

27.

Face Recognition from One Example View
Beymer, David - Poggio, Tomaso

Formato:
Enlaces:	If we are provided a face database with only one example view per person, is it possible to recognize new views of them under a variety of different poses, especially views rotated in depth from the original example view? We…
Fecha:	2004-10-08
Recurso:	MIT

Recurso libre

28.

Topology of learning and correction in dynamic balance
Welti-Santos, Larissa, 1978-

Formato:	Thesis
Enlaces:	"The discrepancy between [our personal experiences] and our idealizations of knowledge leads us into counterproductive strategies for learning and thinking" (Papert 1993). This discrepancy has driven most research towards understanding how people fail to accomplish a task, while few researchers…
Fecha:	2005-09-06
Recurso:	MIT

Recurso libre

29.

Finding God in the urban landscape : a temple for gnosis in upper Manhattan
Marcus, Andrew Todd

Formato:	Thesis
Enlaces:	Nature and Gnosticism are problematic terms. With the discovery of a library of so called heretical Gnostic texts in 1945, theologians, historians, and believers the world over have been exposed to Christian texts that call into question the liturgical lineage…
Fecha:	2005-09-06
Recurso:	MIT

Recurso libre

30.

Bioinformatics and database tools for glycans
Berry, Eric Zachary, 1980-

Formato:	Thesis
Enlaces:	Recent advances in biology have afforded scientists with the knowledge that polysaccharides play an active role in modulating cellular activities. Glycosaminoglycans (GAGs) are one such family of polysaccharides that play a very important role in regulating the functions of numerous…
Fecha:	2005-09-06
Recurso:	MIT

Recurso libre

31.

Real options approach to capacity planning under uncertainty
Mittal, Geetanjali, 1979-

Formato:	Thesis
Enlaces:	This thesis highlights the effectiveness of Real Options Analysis (ROA) in capacity planning decisions for engineering projects subject to uncertainty. This is in contrast to the irreversible decision-making proposed by the deterministic strategies based on expected estimates of parameters drawn…
Fecha:	2005-09-26
Recurso:	MIT

Recurso libre

32.

A wavelet-based system for event detection in online real-time sensor data
Varadharajan, Charuleka, 1980-

Formato:	Thesis
Enlaces:	Sensors are increasingly being used for continuous monitoring purposes, the process of which generates huge volumes of data that need to be mined for interesting events in real-time. The purpose of this research is to develop a method to identify…
Fecha:	2005-09-26
Recurso:	MIT

Recurso libre

33.

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

Recurso libre

34.

High-throughput genomic phenotyping
Ericksen, Daniel S. (Daniel Southwick), 1977-

Formato:	Thesis
Enlaces:	In the wake of the development of technology to sequence the complete genome of an organism, it has become expedient to generate methodologies to elucidate and characterize the function of all genes constituting the complete genetic makeup of an organism,…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

35.

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

36.

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

37.

The Connection Machine
Hillis, W. Daniel

Formato:
Enlaces:	This paper describes the connection memory, a machine for concurrently manipulating knowledge stored in semantic networks. We need the connection memory because conventional serial computers cannot move through such networks fast enough. The connection memory sidesteps the problem by providing…
Fecha:	2004-10-01
Recurso:	MIT

Recurso libre

38.

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

39.

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

Recurso libre

40.

Assessment and Documentation of a Children's Computer Laboratory
Papert, Seymour - Watt, Daniel H.

Formato:
Enlaces:	This research will thoroughly document the experiences of a small number of 5th grade children in an elementary school computer laboratory, using LOGO, an advanced computer language designed for children. Four groups of four children will be taught a 10-week…
Fecha:	2004-10-04
Recurso:	MIT

Recurso libre

41.

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

Recurso libre

42.

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

43.

Effects of surface properties on solder bump formation by direct droplet deposition
Hsiao, Wen Kai, 1972-

Formato:	Thesis
Enlaces:	Recent advances in microdroplet generation and deposition processes have made it possible to directly form solder bumps on integrated circuits using micron-sized molten metal droplets. The direct droplet deposition bumping process can potentially produce uniform-sized bumps more economically than the…
Fecha:	2005-09-06
Recurso:	MIT

Recurso libre

44.

Limit linear series in positive characteristic and Frobenius-unstable vector bundles on curves
Osserman, Brian, 1977-

Formato:	Thesis
Enlaces:	(cont.) yield a new proof of a result of Mochizuki yield a new proof of a result of Mochizuki Frobenius-unstable bundles for C general, and hence obtaining a self-contained proof of the resulting formula for the degree of V₂., Using…
Fecha:	2005-09-26
Recurso:	MIT

Recurso libre

45.

Reliability quantification of nuclear safety-related software
Zhang, Yi, 1973-

Formato:	Thesis
Enlaces:	The objective of this study is to improve quality and reliability of safety-critical software in the nuclear industry. It is accomplished by focusing on the following two areas: Formulation of a standard extensive integrated software testing strategy for safety-critical software,…
Fecha:	2005-09-26
Recurso:	MIT

Recurso libre

46.

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

47.

What do firm boundaries do? : employment relationships and transaction governance in internal and outsourced IT projects
Bidwell, Matthew James, 1974-

Formato:	Thesis
Enlaces:	Firm boundaries have been the subject of much scholarly interest in recent years, as firms increasingly hire external, "contingent" workers and outsource previously core activities. However, little empirical research has directly studied what happens differently inside the firm's boundaries, versus…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

48.

A fracture-based approach to understanding debonding in FRP bonded structural members
GüneÅ, OÄuz, 1971-

Formato:	Thesis
Enlaces:	(cont.) members. The experimental program for RC beams involves qualitative and quantitative observation of the changes in the debonding behavior and load capacity of the beams with various configurations of shear and/or flexural strengthening and anchorage conditions in four evolutionary…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

49.

Better learning of mechanics through information technology
Regalado S., Carlos A. (Carlos Andrés Regalado Santamaría), 1971-

Formato:	Thesis
Enlaces:	(cont.) visualize complex geometric arrangements. Finally, the tools developed represent an alternative to what learning technology has always done; transmit academic knowledge to the student. These tools are an example of how IT can be used to go beyond the…
Fecha:	2005-09-27
Recurso:	MIT

Recurso libre

50.

Oxidation of methionine residues in protein pharmaceuticals
Chu, Jhih-Wei, 1973-

Formato:	Thesis
Enlaces:	(cont.) of free methionine. Therefore, the environments surrounding different methionine sites in G-CSF mainly provide spatial restriction to the access to the solvent but do not affect oxidation in a specific manner, consistent with the good correlation between 2SWCN's and…
Fecha:	2005-09-27
Recurso:	MIT