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To direct the search toward the region of interest of the Pareto frontier, the preferences of the decision maker (DM) are incorporated using an interval-based outranking approach. This allows to address problems with many objective functions; intransitive preferences and incomparability situations can also be handled using this approach. In terms of analyzing robustness, the DM can obtain different solutions according to his\/her level of conservatism. The effectiveness of this proposal was tested both on an example from the related literature and another example of a public project portfolio with nine objective functions and large number of applicant projects.<\/jats:p>","DOI":"10.1142\/s021962201950024x","type":"journal-article","created":{"date-parts":[[2019,7,5]],"date-time":"2019-07-05T08:21:11Z","timestamp":1562314871000},"page":"1317-1358","source":"Crossref","is-referenced-by-count":31,"title":["An Interval-Based Approach for Evolutionary Multi-Objective Optimization of Project Portfolios"],"prefix":"10.1142","volume":"18","author":[{"given":"Fausto","family":"Balderas","sequence":"first","affiliation":[{"name":"Postgraduate &amp; Research Division, National Mexican Institute of Technology\/Madero Institute of Technology, 89440, Tamaulipas, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eduardo","family":"Fernandez","sequence":"additional","affiliation":[{"name":"Faculty of Civil Engineering, Autonomous University of Sinaloa, 80040, Sinaloa, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claudia","family":"Gomez-Santillan","sequence":"additional","affiliation":[{"name":"Postgraduate &amp; Research Division, National Mexican Institute of Technology\/Madero Institute of Technology, 89440, Tamaulipas, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nelson","family":"Rangel-Valdez","sequence":"additional","affiliation":[{"name":"CONACYT-Research Fellow, National Mexican Institute of Technology\/Madero Institute of Technology, 89440, Tamaulipas, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laura","family":"Cruz","sequence":"additional","affiliation":[{"name":"Postgraduate &amp; Research Division, National Mexican Institute of Technology\/Madero Institute of Technology, 89440, Tamaulipas, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2019,8,26]]},"reference":[{"key":"S021962201950024XBIB001","doi-asserted-by":"publisher","DOI":"10.1016\/j.neucom.2017.02.060"},{"key":"S021962201950024XBIB002","first-page":"1","volume-title":"5th Global Conference on Consumer Electronics","author":"Huang T. 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