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http://dx.doi.org/10.7472/jksii.2022.23.1.125

A Study of Recommendation Systems for Supporting Command and Control (C2) Workflow  

Park, Gyudong (Agency for Defense Development)
Jeon, Gi-Yoon (Agency for Defense Development)
Sohn, Mye (Dept. of Industrial Engineering, Sungkyunkwan University)
Kim, Jongmo (Dept. of Industrial Engineering, Sungkyunkwan University)
Publication Information
Journal of Internet Computing and Services / v.23, no.1, 2022 , pp. 125-134 More about this Journal
Abstract
The development of information communication and artificial intelligence technology requires the intelligent command and control (C2) system for Korean military, and various studies are attempted to achieve it. In particular, as a volume ofinformation in the C2 workflow increases exponentially, this study pays attention to the collaborative filtering (CF) and recommendation systems (RS) that can provide the essential information for the users of the C2 system has been developed. The RS performing information filtering in the C2 system should provide an explanatory recommendation and consider the context of the tasks and users. In this paper, we propose a contextual pre-filtering CARS framework that recommends information in the C2 workflow. The proposed framework consists of four components: 1) contextual pre-filtering that filters data in advance based on the context and relationship of the users, 2) feature selection to overcome the data sparseness that is a weak point for the CF, 3) the proposed CF with the features distances between the users used to calculate user similarity, and 4) rule-based post filtering to reflect user preferences. In order to evaluate the superiority of this study, various distance methods of the existing CF method were compared to the proposed framework with two experimental datasets in real-world. As a result of comparative experiments, it was shown that the proposed framework was superior in terms of MAE, MSE, and MSLE.
Keywords
Command and Control(C2) system; Feature selection; Collaborative Filtering; Context-aware Recommendation System;
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Times Cited By KSCI : 3  (Citation Analysis)
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