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تعداد نتایج: 16836315 فیلتر نتایج به سال:
The present study aims to investigate the status and amount of self-citation in papers written by faculty members of University of Tehran in journals "Social Sciences Letters" and "Geographical Studies" during 1999 and 2008. To reach the goal, 212 papers were scrutinized using citation analysis method, which included 4565 citations. The research findings indicate that a considerable number of t...
BACKGROUND It is well known that the tobacco industry has placed articles in scientific literature to maintain controversy over the dangers of tobacco use, while claiming that smokers are well-informed about risk. This study illuminates an industry attempt to directly undermine popular understanding of the hazards of smoking using an industry-created organization called Associates for Research ...
background : the high incidence of breast cancer in young women in iran and its resultant problems for families show the necessity of exploring studies conducted in this field. the present research was conducted to determine the volume of scientific production on breast cancer in iran, and to compare it with that of other countries in the middle east. methods : this systematic review study used...
Autism spectrum and attention-deficit/hyperactivity (ADHD) disorders are associated with widespread social cognitive impairments that affect their social relationships. In this regard, the present review study was conducted to investigate the development of social cognition in children with autism spectrum and ADHD disorders. In this systematic meta-analysis study, published articles on the dev...
In this paper we investigate possibility of using phrases of flexible length in genre classification of textual documents as an extension to classic bag of words document representation where documents are represented using single words as features. The investigation is conducted on collection of articles from document database collected from three different sources representing different genre...
Background: The position of each subject area in scientific production can indicate the ability of the scientific performance of that subject field. Since obstetrics and gynecology is one of the most important clinical sciences discipline of medical science, this study aimed to evaluate the scientific production in the field of obstetrics and gynecology before and after the Iran health reform p...
The aim of this study was to investigate the psychological factors affecting the culture and awareness of cyber security in the period of Covid-19 outbreak by qualitative method and theme analysis. Research data from upstream documents that include all valid articles published in 2020 to 2022 inside and outside the country, with 4 keywords (culture, awareness, cyber security, psychological fact...
Background and Objectives: Lateral ankle sprain is one of the most common injuries to the musculoskeletal system, especially among active people. This injury causes complex complications, such as recurrent sprain because of reduced postural control. Foot orthoses are among the interventions used to improve postural control in this population. This review aims to investigate foot orthoses to imp...
This paper proposes a characterization of useful thesaurus terms by the informativity of cooccurence with that term. Given a corpus of documents, informativity is formalized as the information gain of the weighted average term distribution of all documents containing that term. While the resulting algorithm for thesaurus generation is unsupervised, we find that high informativity terms correspo...
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