{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,25]],"date-time":"2025-10-25T12:19:54Z","timestamp":1761394794103,"version":"3.38.0"},"reference-count":22,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2016,3,1]],"date-time":"2016-03-01T00:00:00Z","timestamp":1456790400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Information Science"],"published-print":{"date-parts":[[2017,6]]},"abstract":"<jats:p> The performance evaluation of an information retrieval system is a decisive aspect of the measure of the improvements in search technology. The Google search engine, as a tool for retrieving information on the Web, is used by almost 92% of Iranian users. The purpose of this paper is to study Google\u2019s performance in retrieving relevant information from Persian documents. The information retrieval effectiveness is based on the precision measures of the search results done to a website that we have built with the documents of a TREC standard corpus. We asked Google for 100 topics available on the corpus and we compared the retrieved webpages with the relevant documents. The obtained results indicated that the morphological analysis of the Persian language is not fully taken into account by the Google search engine. The incorrect text tokenisation, considering the stop words as the content keywords of a document and the wrong \u2018variants encountered\u2019 of words found by Google are the main reasons that affect the relevance of the Persian information retrieval on the Web for this search engine. <\/jats:p>","DOI":"10.1177\/0165551516640437","type":"journal-article","created":{"date-parts":[[2016,3,24]],"date-time":"2016-03-24T03:05:16Z","timestamp":1458788716000},"page":"316-327","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["How well does Google work with Persian documents?"],"prefix":"10.1177","volume":"43","author":[{"given":"Mohammad","family":"Sadeghi","sequence":"first","affiliation":[{"name":"University of Valladolid, Spain"}]},{"given":"Jes\u00fas","family":"Vegas","sequence":"additional","affiliation":[{"name":"University of Valladolid, 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