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Bücher Englische Bücher Wissen & Bildung Naturwissenschaft, Medizin, Informatik, Technik Informatik & EDV Informatik Concept Formation and Knowledge Revision
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Concept Formation and Knowledge Revision
Stefan Wrobel (Broschiert, Englisch)
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Beschreibung
A fundamental assumption of work in artificial intelligence and machine learning is that knowledge is expressed in a computer with the help of knowledge representations. Since the proper choice of such representations is a difficult task that fundamentally affects the capabilities of a system, the problem of automatic
representation
change
is an important topic in current research.
Concept… Formation
and Knowledge Revision
focuses on representation change as a
concept
formation
task, regarding concepts as the elementary representational vocabulary from which further statements are constructed.
Taking an interdisciplinary approach from psychological foundations to computer implementations, the book draws on existing psychological results about the nature of human concepts and concept formation to determine the scope of concept formation phenomena, and to identify potential components of computational concept formation models. The central idea of this work is that computational concept formation can usefully be understood as a process that is triggered in a demand-driven fashion by the representational needs of the learning system, and identify the
knowledge revision
activities of a system as a particular context for such a process.
The book presents a detailed analysis of the revision problem for first-order clausal theories, and develops a set of postulates that any such operation should satisfy. It shows how a minimum theory revision operator can be realized by using exception sets, and that this operator is indeed maximally general. The book then shows that concept formation can be triggered from within the knowledge revision process whenever the existing representation does not permit the plausible reformulation of an exception set, demonstrating the usefulness of the approach both theoretically and empirically within the learning knowledge acquisition system MOBAL.
In using a first-order representation, this book is part of the rapidly developing field of Inductive Logic Programming (ILP). By integrating the computational issues with psychological and fundamental discussions of concept formation phenomena, the book will be of interest to readers both theoretically and psychologically inclined.
From the foreword by Katharina Morik:
`
The ideal to combine the three sources of artificial intelligence research has almost never been reached. Such a combined and integrated research requires the researcher to master different ways of thinking, different work styles, different sets of literature, and different research procedures. It requires capabilities in software engineering for the application part, in theoretical computer science for the theory part, and in psychology for the cognitive part. The most important capability for artificial intelligence is to keep the integrative viewand to create a true original work that goes beyond the collection of pieces from different fields.
This book achieves such an integrative view of concept formation and knowledge revision by presenting the way
from psychological investigations that indicate that concepts are theories and point at the important role of a demand for learning.
to an implemented system which supports users in their tasks when working with a knowledge base
and its theoretical foundation.
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Technische Daten
Erscheinungsdatum
19.11.2010
Sprache
Englisch
EAN
9781441951465
Herausgeber
Springer US
Sonderedition
Nein
Autor
Stefan Wrobel
Seitenanzahl
240
Auflage
1
Einbandart
Broschiert
Schlagwörter
artificial intelligence, intelligence, knowledge, knowledge base, knowledge representation, learning, logic programming, machine learning, programming
Thema-Inhalt
UYQ - Künstliche Intelligenz
Höhe
240 mm
Breite
16 cm
Hersteller: Springer Nature Customer Service Center GmbH, Europaplatz 3, Heidelberg, Deutschland, 69115, ProductSafety@springernature.com
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