International Journal of Knowledge Processing Studies
Online ISSN: 2783-4611

The Assessment of the Effect of Query Expansion on Improving the Performance of Scientific Texts Retrieval in Persian

Document Type : Original Research Manuscripts

Authors

Ahmadreza Varnaseri 1
Maryam Nakhoda 2
Sareh Karimi 3

1 Ph.D. student in Information Science and Knowledge, Faculty of Management, University of Tehran, Tehran, Iran

2 Assistant Professor, Department in Information Science and Knowledge, Faculty of Management, University of Tehran, Tehran, Iran.

3 Graduate of Industrial Engineering, Saveh Azad University

https://doi.org/10.22034/kps.2021.141924
Abstract
Purpose: This study aims to determine the effect of query expansion on scientific texts retrieval in Persian.
Method: The present study was conducted using a quasi-experimental method. The results are obtained by analyzing 40 initial and expanded queries of postgraduate students in the Faculty of Management, University of Tehran. Query expansion was performed manually using primary research results.
Findings: Query expansion of Persian scientific texts leads to an increase in the number of related retrieved documents, as well as the comprehensiveness and accuracy of retrieving scientific data in Elmnet search engine, which as a result, improves the overall performance of information retrieval.
Results: Nowadays, automatic query expansion is on the agenda of databases. Given that Persian databases are not fully developed, and the existence of specific problems with writing in the Persian language, information literacy training and the method of defining and expressing information requirements and providing them to the information retrieval systems, can have a significant impact on postgraduate students and researchers, to retrieve the required information and save them time and money.

Keywords

Query expansion
Persian language
Elmnet search engine
scientific texts
Subjects
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International Journal of Knowledge Processing Studies
Volume 1, Issue 1
Autumn 2021
Pages 38-51

  • Receive Date 24 September 2021
  • Revise Date 27 September 2021
  • Accept Date 27 September 2021

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