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Cognitive agents and machine learning by example : representation with conceptual graphs
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Gkiokas, Alexandros and Cristea, Alexandra I. (2018) Cognitive agents and machine learning by example : representation with conceptual graphs. Computational Intelligence, 34 (2). pp. 603-634. doi:10.1111/coin.12167 ISSN 0824-7935.
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Official URL: https://doi.org/10.1111/coin.12167
Abstract
As Machine Learning and Artificial Intelligence progress, more complex tasks can be addressed, quite often by cascading or combining existing models and technologies, known as the bottom-up design. Some of those tasks are addressed by agents, which attempt to simulate or emulate higher cognitive abilities that cover a broad range of functions; hence those agents are named cognitive agents. We formulate, implement and evaluate such a cognitive agent, which combines learning by example with machine learning. The mechanisms, algorithms and theories to be merged when training a cognitive agent to read and learn how to represent knowledge, have not, to the best of our knowledge, been defined by the current state-of-the-art research. The task of learning to represent knowledge is known as semantic parsing, and we demonstrate that it is an ability that may be attained by cognitive agents using machine learning, and the knowledge acquired can be represented by using conceptual graphs. By doing so, we create a cognitive agent that simulates properties of ’learning by example’, whilst performing semantic parsing with good accuracy. Due to the unique and unconventional design of this agent, we first present the model, and then gauge its performance, showcasing its strengths and weaknesses.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > Q Science (General) T Technology > TA Engineering (General). Civil engineering (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||||||
Library of Congress Subject Headings (LCSH): | Machine learning, Artificial intelligence, Intelligent agents (Computer software), Artificial intelligence -- Computer programs | ||||||||
Journal or Publication Title: | Computational Intelligence | ||||||||
Publisher: | Wiley-Blackwell Publishing Ltd. | ||||||||
ISSN: | 0824-7935 | ||||||||
Official Date: | May 2018 | ||||||||
Dates: |
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Volume: | 34 | ||||||||
Number: | 2 | ||||||||
Page Range: | pp. 603-634 | ||||||||
DOI: | 10.1111/coin.12167 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 1 February 2018 | ||||||||
Date of first compliant Open Access: | 9 March 2019 | ||||||||
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