Abstract

Actionable Knowledge Discovery approaches to extract the business and technical significant actions/patterns to support direct decision making. These actions suggest how to transform an object from an undesirable status to a desirable status by incurring less cost and high profit. This article aims to propose a work that generates actionable patterns efficiently. It reduces the search space and number of iterations for attribute value change during action generation. Performance of the proposed method is compared with Yang’s method and OF-CEAMA on the basis of four parameters i.e. the total number of rules required for action generation, run time of the methods, the total number of generated actions, total net profit and time and space complexity. Experiments have been carried out on four datasets retrieved from UCI Machine learning repository. Experimental results show that the proposed work takes less time than the other two methods to extract actions for all datasets. Also, the number of rules required to generate actions are less than the other two methods. Results also suggest that a decrease in execution time does not compromise the information and proposed work generates the same actions and net profit. Moreover, the proposed work tries to transfer an object from undesired status to the desired status.

Highlights

  • Data mining is a non-trivial process of extracting interesting, understandable and potentially useful hidden patterns in the data [1]

  • ‘‘if employee performance is satisfactory or unsatisfactory?’’ and second, ‘‘how can we improve the performance of employee if the performance is unsatisfactory?’’ In this example, the first question is more like predictive task and can be answered by using traditional data mining techniques, but the second question requires actions to transform the status of an employee to some desirable status which is more actionable and the goal of Actionable Knowledge Discovery (AKD) is to answer such actionable questions

  • In order to evaluate the performance of the proposed work, we have compared results with previous approaches of OFCEAMA and Yang’s method on the basis of four parameters i.e. the total number of rules required for action generation, run time of methods, the total number of generated actions and total net profit and effectiveness in terms of time complexity and space complexity

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Summary

Introduction

Data mining is a non-trivial process of extracting interesting, understandable and potentially useful hidden patterns in the data [1]. The goal of most data mining systems is to discover predictive or descriptive patterns that satisfy the expected threshold of technical interesting measures like support, confidence and so on. DOMAIN-DRIVEN DATA MINING (D3M) It is a problem-solving method for the discovery of Actionable Knowledge in complex domain problems It defines methodologies and techniques over data-centered frameworks to integrate the domain knowledge, domain-related social factors, real-time human interaction, and businessspecific deliverable to support the decision making in Knowledge Discovery from Data (KDD) process. 1) ACTIONABLE KNOWLEDGE DISCOVERY (AKD) Actionable Knowledge reflects business needs and end-user preferences and helps business people in direct decision making. It is discovered through AKD, which is a closed-loop and recursive process, where refinements are feed-forwarded to understand data, roles, resources, and consumption of relevant intelligence [3]. It synthesizes business expectations and technical significance in justified pattern interestingness [3]

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