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The algorithm uses an object-based initialization method to generate the initial population and introduces a parametric control strategy to navigate the flying direction. Meanwhile, the climb process of monkey algorithm (MA) with dimension by dimension improvement is adopted to strengthen the local search ability. In this paper, experiments over six real datasets are conducted to validate the effectiveness of IPIO. The experimental results show that IPIO is an efficient alternative in resolving the clustering analysis problem.<\/jats:p>","DOI":"10.1142\/s1469026817500146","type":"journal-article","created":{"date-parts":[[2017,6,2]],"date-time":"2017-06-02T02:50:03Z","timestamp":1496371803000},"page":"1750014","source":"Crossref","is-referenced-by-count":5,"title":["An Improved Pigeon-Inspired Optimization for Clustering Analysis Problems"],"prefix":"10.1142","volume":"16","author":[{"given":"Haiyun","family":"Li","sequence":"first","affiliation":[{"name":"School of Electronic Information and Electrical Engineering, Tianshui Normal University Tianshui, Gansu, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haifeng","family":"Li","sequence":"additional","affiliation":[{"name":"School of Software, Dalian University of Technology, Dalian, Liaoning, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xin","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Software, Dalian University of Technology, Dalian, Liaoning, China"},{"name":"Guangxi High School Key Laboratory of Complex System and Computational Intelligence Nanning, Guangxi, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kaibin","family":"Wei","sequence":"additional","affiliation":[{"name":"School of Electronic Information and Electrical Engineering, Tianshui Normal University Tianshui, Gansu, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2017,6]]},"reference":[{"key":"S1469026817500146BIB001","volume-title":"Cluster Analysis: A Survey","author":"Duran B. 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