A comparative evaluation of two user feedback techniques for requirements trace retrieval

  • Authors:
  • Yonghee Shin;Jane Cleland-Huang

  • Affiliations:
  • DePaul University, Chicago, IL;DePaul University, Chicago, IL

  • Venue:
  • Proceedings of the 27th Annual ACM Symposium on Applied Computing
  • Year:
  • 2012

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Abstract

In automated requirements trace retrieval, significant improvements can be realized through incorporating user feedback. In this paper we introduce a relatively new technique named Direct Query Manipulation (DQM) and compare its effectiveness against Rocchio, the current defacto standard for integrating user feedback into automated tracing methods. The two techniques are evaluated empirically through a series of simulations and a user study, conducted by tracing requirements for WorldVista, an electronic healthcare information system against requirements from the Certification Commission for Healthcare Information Technology. Our results show that both Rocchio and DQM return significant improvements in trace quality in comparison to the vector space model, a fully automated technique. DQM performs slightly better than Rocchio in terms of trace quality with minimal difference in human effort. The hybrid approach provides further improvement over both individual approaches of DQM and Rocchio.