Design and Development of a Framework for an Automatic Answer Evaluation System Based on Similarity Measures

The assessment of answers is an important process that requires great effort from evaluators. This assessment process requires high concentration without any fluctuations in mood. This substantiates the need to automate answer script evaluation. Regarding text answer evaluation, sentence similarity...

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Main Authors: Ramamurthy Madhumitha, Krishnamurthi Ilango
Format: Article
Language:English
Published: De Gruyter 2017-04-01
Series:Journal of Intelligent Systems
Subjects:
Online Access:https://doi.org/10.1515/jisys-2015-0031
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author Ramamurthy Madhumitha
Krishnamurthi Ilango
author_facet Ramamurthy Madhumitha
Krishnamurthi Ilango
author_sort Ramamurthy Madhumitha
collection DOAJ
description The assessment of answers is an important process that requires great effort from evaluators. This assessment process requires high concentration without any fluctuations in mood. This substantiates the need to automate answer script evaluation. Regarding text answer evaluation, sentence similarity measures have been widely used to compare student written answers with reference texts. In this paper, we propose an automated answer evaluation system that uses our proposed cosine-based sentence similarity measures to evaluate the answers. Cosine measures have proved to be effective in comparing between free text student answers and reference texts. Here we propose a set of novel cosine-based sentence similarity measures with varied approaches of creating document vector space. In addition to this, we propose a novel synset-based word similarity measure for computation of document vectors coupled with varied approaches for dimensionality-reduction for reducing vector space dimensions. Thus, we propose 21 cosine-based sentence similarity measures and measured their performance using MSR paraphrase corpus and Li’s benchmark datasets. We also use these measures for automatic answer evaluation system and compare their performances using the Kaggle short answer and essay dataset. The performance of the system-generated scores is compared with the human scores using Pearson correlation. The results show that system and human scores have correlation between each other.
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spelling doaj.art-124a05d03397473092c417c85c44008f2022-12-21T21:35:29ZengDe GruyterJournal of Intelligent Systems0334-18602191-026X2017-04-0126224326210.1515/jisys-2015-0031Design and Development of a Framework for an Automatic Answer Evaluation System Based on Similarity MeasuresRamamurthy Madhumitha0Krishnamurthi Ilango1Department of Computer Science and Engineering, Sri Krishna College of Engineering and Technology, Coimbatore 641008, Tamil Nadu, IndiaDepartment of Computer Science and Engineering, Sri Krishna College of Engineering and Technology, Coimbatore 641008, Tamil Nadu, IndiaThe assessment of answers is an important process that requires great effort from evaluators. This assessment process requires high concentration without any fluctuations in mood. This substantiates the need to automate answer script evaluation. Regarding text answer evaluation, sentence similarity measures have been widely used to compare student written answers with reference texts. In this paper, we propose an automated answer evaluation system that uses our proposed cosine-based sentence similarity measures to evaluate the answers. Cosine measures have proved to be effective in comparing between free text student answers and reference texts. Here we propose a set of novel cosine-based sentence similarity measures with varied approaches of creating document vector space. In addition to this, we propose a novel synset-based word similarity measure for computation of document vectors coupled with varied approaches for dimensionality-reduction for reducing vector space dimensions. Thus, we propose 21 cosine-based sentence similarity measures and measured their performance using MSR paraphrase corpus and Li’s benchmark datasets. We also use these measures for automatic answer evaluation system and compare their performances using the Kaggle short answer and essay dataset. The performance of the system-generated scores is compared with the human scores using Pearson correlation. The results show that system and human scores have correlation between each other.https://doi.org/10.1515/jisys-2015-0031assessmentautomatic answer evaluation systemcosine similaritysimilarity measuresentence similarity
spellingShingle Ramamurthy Madhumitha
Krishnamurthi Ilango
Design and Development of a Framework for an Automatic Answer Evaluation System Based on Similarity Measures
Journal of Intelligent Systems
assessment
automatic answer evaluation system
cosine similarity
similarity measure
sentence similarity
title Design and Development of a Framework for an Automatic Answer Evaluation System Based on Similarity Measures
title_full Design and Development of a Framework for an Automatic Answer Evaluation System Based on Similarity Measures
title_fullStr Design and Development of a Framework for an Automatic Answer Evaluation System Based on Similarity Measures
title_full_unstemmed Design and Development of a Framework for an Automatic Answer Evaluation System Based on Similarity Measures
title_short Design and Development of a Framework for an Automatic Answer Evaluation System Based on Similarity Measures
title_sort design and development of a framework for an automatic answer evaluation system based on similarity measures
topic assessment
automatic answer evaluation system
cosine similarity
similarity measure
sentence similarity
url https://doi.org/10.1515/jisys-2015-0031
work_keys_str_mv AT ramamurthymadhumitha designanddevelopmentofaframeworkforanautomaticanswerevaluationsystembasedonsimilaritymeasures
AT krishnamurthiilango designanddevelopmentofaframeworkforanautomaticanswerevaluationsystembasedonsimilaritymeasures