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Less is more in incident categorization (Short Paper)

Authors Sara Silva, Ricardo Ribeiro , Rubén Pereira



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Author Details

Sara Silva
  • Instituto Universitário de Lisboa (ISCTE-IUL) Lisbon, Portugal
Ricardo Ribeiro
  • INESC-ID Lisboa, Instituto Universitário de Lisboa (ISCTE-IUL), Lisbon, Portugal
Rubén Pereira
  • Instituto Universitário de Lisboa (ISCTE-IUL) Lisbon, Portugal

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Sara Silva, Ricardo Ribeiro, and Rubén Pereira. Less is more in incident categorization (Short Paper). In 7th Symposium on Languages, Applications and Technologies (SLATE 2018). Open Access Series in Informatics (OASIcs), Volume 62, pp. 17:1-17:7, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2018)
https://doi.org/10.4230/OASIcs.SLATE.2018.17

Abstract

The IT incident management process requires a correct categorization to attribute incident tickets to the right resolution group and obtain as quickly as possible an operational system, impacting the minimum as possible the business and costumers. In this work, we introduce automatic text classification, demonstrating the application of several natural language processing techniques and analyzing the impact of each one on a real incident tickets dataset. The techniques that we explore in the pre-processing of the text that describes an incident are the following: tokenization, stemming, eliminating stop-words, named-entity recognition, and TF xIDF-based document representation. Finally, to build the model and observe the results after applying the previous techniques, we use two machine learning algorithms: Support Vector Machine (SVM) and K-Nearest Neighbor (KNN). Two important findings result from this study: a shorter description of an incident is better than a full description of an incident; and, pre-processing has little impact on incident categorization, mainly due the specific vocabulary used in this type of text.

Subject Classification

ACM Subject Classification
  • Computing methodologies → Natural language processing
Keywords
  • machine learning
  • automated incident categorization
  • SVM
  • incident management
  • natural language

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