NDLI: Delayed insertion and rule effect moderation of domain knowledge for reinforcement learning

Content Provider	IEEE Xplore Digital Library
Author	Teck-Hou Teng Ah-Hwee Tan
Copyright Year	2013
Description	Author affiliation: Sch. of Comput. Eng., Nanyang Technol. Univ., Singapore, Singapore (Ah-Hwee Tan) \|\| Center for Comput. Intell., Nanyang Technol. Univ., Singapore, Singapore (Teck-Hou Teng)
Abstract	Though not a fundamental pre-requisite to efficient machine learning, insertion of domain knowledge into adaptive virtual agent is nonetheless known to improve learning efficiency and reduce model complexity. Conventionally, domain knowledge is inserted prior to learning. Despite being effective, such approach may not always be feasible. Firstly, the effect of domain knowledge is assumed and can be inaccurate. Also, domain knowledge may not be available prior to learning. In addition, the insertion of domain knowledge can frame learning and hamper the discovery of more effective knowledge. Therefore, this work advances the use of domain knowledge by proposing to delay the insertion and moderate the effect of domain knowledge to reduce the framing effect while still benefiting from the use of domain knowledge. Using a non-trivial pursuit-evasion problem domain, experiments are first conducted to illustrate the impact of domain knowledge with different degrees of truth. The next set of experiments illustrates how delayed insertion of such domain knowledge can impact learning. The final set of experiments is conducted to illustrate how delaying the insertion and moderating the assumed effect of domain knowledge can ensure the robustness and versatility of reinforcement learning.
Starting Page	132
Ending Page	139
File Size	394526
Page Count	8
File Format	PDF
ISBN	9781467359252
ISSN	23251824
DOI	10.1109/ADPRL.2013.6614999
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-16
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Knowledge engineering Adaptation models Computational modeling Neural networks Learning (artificial intelligence) Educational institutions Vectors
Content Type	Text
Resource Type	Article

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