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This paper focuses on the design and development of a short message services-based information access algorithm to carefully screen information on human immunodeficiency virus\/acquired immune deficiency syndrome within the context of a frequently asked questions system. However, automating the short message services-based information search and retrieval poses significant challenges because of the inherent noise in its communications. The developed algorithm was used to retrieve the best-ranked question\u2013answer pair. Results were evaluated using three metrics: average precision, recall and computational time. The retrieval efficacy was measured and it was confirmed that there was a significant improvement in the results of the proposed algorithm when compared with similar retrieval algorithms. <\/jats:p>","DOI":"10.1177\/0165551514540400","type":"journal-article","created":{"date-parts":[[2014,8,15]],"date-time":"2014-08-15T07:17:50Z","timestamp":1408087070000},"page":"736-748","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Text messaging and retrieval techniques for a mobile health information system"],"prefix":"10.1177","volume":"40","author":[{"given":"Ademola O.","family":"Adesina","sequence":"first","affiliation":[{"name":"Department of Computer Science, University of the Western Cape, South Africa"}]},{"given":"Kehinde K.","family":"Agbele","sequence":"additional","affiliation":[{"name":"Department of Computer Science, University of the Western Cape, South Africa"}]},{"given":"Ademola 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