電気学会論文誌C(電子・情報・システム部門誌)
Online ISSN : 1348-8155
Print ISSN : 0385-4221
ISSN-L : 0385-4221
<情報システム,エレクトロニック・コマース>
利用者による3段階評価にもとづくラフ集合による学生向け賃貸物件推薦システムの開発
湯本 真樹
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ジャーナル フリー

2018 年 138 巻 4 号 p. 441-451

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Many new college or university students use the housing conditional search system for a leasehold house on Web recently. There is a recommendation system for a leasehold house for students with conditional search and decision rule in rough set. This system performs conditional search using housing information, and evaluate desirable houses by two kinds of decision rule in rough set. However, the users cannot sufficiently express their preference, and have a load of judgement about many specimen houses which is prepared in advance, in order to grasps the target user preference.

This paper presents the recommendation system in rough set for a leasehold house for students based on three step of target user's evaluation. This system grasps the target user preference based on the rules which correspond to three steps of judgement “Very Good”, “Good” and “Bad”. These judgments for random samples about houses can make the target user’s load small. Through the experiment, it is confirm that the system has the same degree of satisfaction as the usual system, and the load of the user in the system is less than the one in usual system.

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