Heterogeneous Weighted Voting-Based Ensemble (HWVE) for Root-Cause Analysis

Root-cause analysis has been one of the major requirements of the current information-rich world due to the huge number of opinions available online. This paper presents a heterogeneous weighted voting-based ensemble (HWVE) model for root-cause analysis. The proposed model is composed of an aspect e...

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Published inJournal of information technology research Vol. 13; no. 4; pp. 63 - 74
Main Authors Selvam, Blessy, Ravimaran S, Selvam, Sheba
Format Journal Article
LanguageEnglish
Published Hershey IGI Global 01.10.2020
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Abstract Root-cause analysis has been one of the major requirements of the current information-rich world due to the huge number of opinions available online. This paper presents a heterogeneous weighted voting-based ensemble (HWVE) model for root-cause analysis. The proposed model is composed of an aspect extraction and filtering module, a model-based sentiment identification module, and a ranking module. Domain-based aspect ontologies are created using the available training data and is used for categorization. The input data is passed to the HWVE model for opinion identification and is in-parallel passed to the significance identification phase for aspect identification. The identified aspects are combined with their corresponding sentiments and ranked based on their ontological occurrence levels to provide the final categorized root-causes. Experiments were performed with the five-product dataset, and comparisons were performed with recent models. Results indicate that the proposed model exhibits improved performances of 5%-13% in terms of F-measure when compared to other models.
AbstractList Root-cause analysis has been one of the major requirements of the current information-rich world due to the huge number of opinions available online. This paper presents a heterogeneous weighted voting-based ensemble (HWVE) model for root-cause analysis. The proposed model is composed of an aspect extraction and filtering module, a model-based sentiment identification module, and a ranking module. Domain-based aspect ontologies are created using the available training data and is used for categorization. The input data is passed to the HWVE model for opinion identification and is in-parallel passed to the significance identification phase for aspect identification. The identified aspects are combined with their corresponding sentiments and ranked based on their ontological occurrence levels to provide the final categorized root-causes. Experiments were performed with the five-product dataset, and comparisons were performed with recent models. Results indicate that the proposed model exhibits improved performances of 5%-13% in terms of F-measure when compared to other models.
Audience Academic
Author Ravimaran S
Selvam, Blessy
Selvam, Sheba
AuthorAffiliation Anna University, Tiruchirappalli, India
B.N.M Institute of Technology, Bangalore, India
M. A. M. College of Engineering, Trichy, India
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Copyright COPYRIGHT 2020 IGI Global
Copyright © 2020, IGI Global. Copying or distributing in print or electronic forms without written permission of IGI Global is prohibited.
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SubjectTerms Modules
Ontology
Root cause analysis
Voting
Title Heterogeneous Weighted Voting-Based Ensemble (HWVE) for Root-Cause Analysis
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