A Multi-objective Feature Selection Method Considering the Interaction Between Features

IF 6.9 3区 管理学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Information Systems Frontiers Pub Date : 2024-03-09 DOI:10.1007/s10796-024-10481-2
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Abstract

Feature selection (FS) is one of the major tasks in data cleansing step in machine learning. However, multi-objective FS is more challenging because it tries to optimize two conflicting objectives, namely minimizing the feature set and classification error. In this way, evolutionary algorithms are promising solutions aimed to obtain more reliable Pareto fronts. However, unfortunately they suffer from consuming much time due to exploration in a large search space. Another issue encountered in multi-objective FS approaches is related to the correlation between features. This challenge arises because choosing such features reduces the performance of the classification. To address these challenges, we introduce a multi-objective FS approach that makes several significant contributions. First, the proposed method deals with the correlation between features through a novel probability structure. Secondly, it relies on the Pareto Archived Evolution Strategy (PAES) method, which offers many advantages, including simplicity and its ability to explore the solution space at an acceptable speed. We enhance the PAES structure in a manner that promotes the intelligent generation of offsprings. Consequently, our proposed approach benefits from the introduced probability structure to generate more promising offspring. Lastly, it incorporates a novel strategy to guide the algorithm to find the optimal subset throughout the evolutionary process. The obtained results on real-world datasets reveal a substantial enhancement in the quality of the final solutions.

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考虑特征间相互作用的多目标特征选择方法
摘要 特征选择(FS)是机器学习中数据清理步骤的主要任务之一。然而,多目标特征选择更具挑战性,因为它试图优化两个相互冲突的目标,即最小化特征集和最小化分类误差。因此,进化算法是一种很有前途的解决方案,旨在获得更可靠的帕累托前沿。但遗憾的是,由于要在庞大的搜索空间中探索,进化算法耗费了大量时间。多目标 FS 方法中遇到的另一个问题与特征之间的相关性有关。这一挑战的出现是因为选择此类特征会降低分类的性能。为了应对这些挑战,我们引入了一种多目标 FS 方法,该方法有几个重大贡献。首先,我们提出的方法通过一种新颖的概率结构来处理特征之间的相关性。其次,它依赖于帕累托存档演化策略(PAES)方法,该方法具有许多优势,包括简单性和以可接受的速度探索解空间的能力。我们增强了帕累托归档进化策略的结构,以促进子代的智能生成。因此,我们提出的方法可从引入的概率结构中获益,生成更多有前途的子代。最后,它采用了一种新颖的策略,引导算法在整个进化过程中找到最优子集。在实际数据集上获得的结果表明,最终解决方案的质量得到了大幅提升。
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来源期刊
Information Systems Frontiers
Information Systems Frontiers 工程技术-计算机:理论方法
CiteScore
13.30
自引率
18.60%
发文量
127
审稿时长
9 months
期刊介绍: The interdisciplinary interfaces of Information Systems (IS) are fast emerging as defining areas of research and development in IS. These developments are largely due to the transformation of Information Technology (IT) towards networked worlds and its effects on global communications and economies. While these developments are shaping the way information is used in all forms of human enterprise, they are also setting the tone and pace of information systems of the future. The major advances in IT such as client/server systems, the Internet and the desktop/multimedia computing revolution, for example, have led to numerous important vistas of research and development with considerable practical impact and academic significance. While the industry seeks to develop high performance IS/IT solutions to a variety of contemporary information support needs, academia looks to extend the reach of IS technology into new application domains. Information Systems Frontiers (ISF) aims to provide a common forum of dissemination of frontline industrial developments of substantial academic value and pioneering academic research of significant practical impact.
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