Data from a network of experiments conducted during 1998 for 25 maize cultivars and 30 hybrids cultivated in 19 and 16 different environments, respectively, in the states of Piaui, Rio Grande do Norte, Pernambuco, Alagoas, Sergipe, and Bahia, Brazil, were…

by Jeffrey C. Chi., Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2001., Includes bibliographical references (p. 199-216).

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Current reasoning systems attempt to model an agent's knowledge and interaction with its environment in a symbolic manner. This environment, its world is generally dynamic and changing due to natural evolution or the actions of other agents that are a…

by Guru Prasanna., Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2001., Page 123 blank., Includes bibliographical references (p. 121-122).

by Daisuke Oka., Thesis (S.M.M.O.T.)--Massachusetts Institute of Technology, Sloan School of Management, Management of Technology Program, 2001., Includes bibliographical references (leaf 78).

The goal of this work involves the developing of an argumentation-based formalism that an agent could use for constructing plans. In this formalism, agents will have certain knowledge about the world, and a set of actions that they will be…

BACKGROUND:A variety of definitions of evidence-based practice (EBP) exist. However, definitions are in themselves insufficient to explain the underlying processes of EBP and to differentiate between an evidence-based process and evidence-based outcome. There is a need for a clear statement…

BACKGROUND:Primary prevention of breast cancer through prophylactic mastectomy can reduce the risk of malignancy in high-risk individuals. No type of mastectomy completely removes all breast tissue, but a subcutaneous mastectomy leaves more tissue in situ than does a simple mastectomy.CASE…

In developing telephone-based conversational systems, we foresee future systems capable of supporting multiple domains and flexible vocabulary. Users can pursue several topics of interest within a single telephone call, and the system is able to switch transparently among domains within…