{"id":5291,"date":"2023-02-22T14:38:52","date_gmt":"2023-02-22T13:38:52","guid":{"rendered":"https:\/\/assarinnovation.se\/?p=5291"},"modified":"2023-02-22T14:39:14","modified_gmt":"2023-02-22T13:39:14","slug":"mimer-insights-into-the-black-box-optimization-process","status":"publish","type":"post","link":"https:\/\/assarinnovation.se\/en\/mimer-insights-into-the-black-box-optimization-process\/","title":{"rendered":"Mimer – Insights into the “black-box” optimization process"},"content":{"rendered":"

New research aids decision-makers in the analysis of optimization results by giving insights into the otherwise “black-box” optimization process. An important outcome of this research is an openly available interactive knowledge discovery and decision support tool called Mimer.<\/p>\n

Making a decision based on data can be challenging in many real-world situations. It may be because there are several variables to be analyzed, or because there are multiple criteria to be considered, each of which points to a different solution. <\/span><\/p>\n

This becomes even more challenging when more than one person has a say in the final decision, and they all have their preferences. How then, can a business or an organization make complex decisions that are grounded in data? The key is to transform data into information, and that information into knowledge. <\/span><\/p>\n

\u201cOur research uses data mining and visual analytics to facilitate decision-makers in discovering, visualizing, interacting with and sharing knowledge. The focus is to make this transformation from data to knowledge easy and efficient so that effective data-driven decisions can be made\u201d says Sunith Bandaru, associate professor of production engineering.<\/span><\/p>\n

Learning from the optimization process<\/span><\/h4>\n

The research specifically considers data generated by optimization algorithms when solving real-world problems involving multiple criteria. These algorithms use principles of natural evolution proposed by Charles Darwin to \u201cevolve\u201d a population of \u201cindividuals\u201d over several \u201cgenerations\u201d.<\/span><\/p>\n

Each individual is a possible solution to the problem. By starting with a population of random solutions, these algorithms are capable of generating several optimal solutions. Thus, decision-makers have many alternatives to choose from depending on how much importance they place on each criterion. <\/span><\/p>\n

The current research shows how important knowledge about the problem can be gained from optimization data, and how this knowledge can be visualized. For example, the decision-makers easily learn what is the difference between good solutions and bad solutions, or how the preferences of one decision-maker differ from those of others.<\/span><\/p>\n

Speeding up the optimization process<\/span><\/h4>\n

\u201cThis research offers a way for decision makers to gain knowledge about the structure of multi-objective optimization problems that can be used both to update existing or design future problem formulation or to help in the optimization process itself with knowledge-driven optimization, by incorporating the knowledge into the optimization algorithm\u201d says Henrik Smedberg, PhD student in Informatics. <\/span><\/p>\n

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A snapshot of Mimer – an openly available interactive knowledge discovery and decision support tool. Try it now at <\/em>https:\/\/assar.his.se\/mimer\/html\/<\/em><\/a>.<\/em><\/span><\/p>\n

The research can be used by anyone performing multi-objective optimization and has the potential of both speeding up the optimization process and also bringing insight to decision-makers that can benefit the design of future optimization cases.<\/span><\/p>\n

Try Mimer \u2013 A decision support tool<\/span><\/h4>\n

Henrik Smedberg and Sunith Bandaru say that one important outcome of this research is an openly available interactive knowledge discovery and decision support tool called Mimer. Try it now at https:\/\/assar.his.se\/mimer\/html\/ <\/u><\/a> <\/span><\/p>\n

The tool is very easy to use and on the tutorials page, you will find several examples showcasing its various features.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

New research aids decision-makers in the analysis of optimization results by giving insights into the otherwise “black-box” optimization process. An important outcome of this research is an openly available interactive knowledge discovery and decision support tool called Mimer. 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