Hajar Sotudeh

• Professor
• CEO at Shiraz University

The underlying motivations for increasingly recognizing invalid papers remain unclear. Previous content-based analyses have revealed the coexistence of negativity and positivity, with each polarity prevailing at times. Comparative analysis may further clarify these trends by evaluating them against those of valid papers. To highlight how a paper’s...

Background: Food security in communities can prevent health complications, so investigators have made efforts to find its related factors through various fields. This study aims to draw a road map for nutrition and food security research in Iran. Methods: Web of Science, PubMed, Scopus, Embase, and Islamic World Citation Center were searched for el...

The traditional retraction mechanism's failure to eradicate the retracted papers' continued effects urges for more control and monitoring systems to warn against low-quality and flawed papers. To investigate the potential of Twitter in reflecting social attitudes about retracted papers, this study analyzed the sentiments expressed in the tweets abo...

BACKGROUND Evidence-based medicine requires evaluating and critically appraising documents. The process needs (semi)automated methods to distinguish valid from invalid randomized clinical trials (RCTs). OBJECTIVE The present study aimed to test the potential of RCT representations, Cochrane reviewers’ comments, and comment-expanded representations...

Purpose Despite the widespread studies on the attitudes about OA, there exists little comparative evidence about the opinions of author and non-author parties at a global level in a social context. To bridge the gap, this study first investigated the opinions of the users who posted at least one tweet about OA in 2019. Then, it zoomed in to explore...

Purpose The main objective of the present study is to determine the role of citation-based metrics (PageRank and HITS’ authority and hub scores) and non-citation metrics (Goodreads readers, reviews and ratings, textbook edition counts) in predicting educational ranks of textbooks. Design/methodology/approach The rankings of 1869 academic textbooks...

Despite the novelty in methodologies, user behavior study based on brain activity during information-seeking stages has become popular among information science researchers. This paper reviews scientific publications in which information-seeking behavior has been studied along with recorded brain activity to shed light on research status, challenge...

Purpose This study aimed to investigate how the enrichment of medical documents' index terms by their comments improves the relevance and novelty of the top-ranked results retrieved by an NLP system. Design/methodology/approach A semi-experimental pre-test and post-test research was designed to compare NLP-based indexes before and after being expa...

University ranking systems use various single and multi-faceted methodologies. Despite being efficient and less biased, the former fails to cover all academic performance dimensions, requiring solutions to improve its effectiveness. Previous studies found universities’ ranks to be partly correlated to their social presence and activities via their...

The present study aimed to explore how tweeters’ opinions about open access publishing and its main features evolved over time. Using a quantitative content analysis method through an opinion mining approach, it explored a sample of English tweets on open access posted from 2007 to December 2019. The main terms related to open access were first ide...

The co-opinionatedness measure, that is, the similarity of cociting documents in their opinions about their cocited articles, has been recently proposed. The present study uses a wider range of baselines and benchmarks to investigate the measure’s effectiveness in retrieval ranking that was previously confirmed in a pilot study. A test collection w...

Introduction: During health crises, such as Coronavirus disease 2019 (COVID-19) pandemic, the spread of fake news and rumors makes it difficult to distinguish real news. Besides, despite dangers, some endanger public safety by avoiding vaccination. It is not clear to what extent the individuals understand the dangers, and are influenced by the fake...

This study investigates to evaluate feasibility of k-means clustering algorithm in order to improve effectiveness of the results recommended by RICEST Journal Finder System. More than 15,000 papers published in filed of engineering journals during 2013–2017 were collected from their websites. Their titles, abstracts and keywords were extracted, nor...

The objective of this study was to examine the effects of the challenges in the transliteration of Persian names into English on the recall of retrieved results in the Web of Science. The statistical population of this study included the names of all Iranian researchers in the Web of Science database who had published an English article in the peri...

Given the increasing importance of recognition in academia and the vital role of randomised controlled trials (RCTs) in medical research and clinical decisions, this study verifies how RCTs’ academic and societal impacts are affected by visibility factors, subjects and methodological validity. This study concentrated on a sample of 446 RCTs indexed...

Keyword and phrase extraction is a prerequisite of many natural language processing tasks. However, a review on the related Persian and English literature showed that a few studies have already been done on how to extract keywords and phrases from Persian texts. Thus, aiming to shed light on the research status of Keyword and phrase extraction from...

Objective Altmetrics are claimed to measure the scientific, societal, educational, technological and economic impacts of science. They have some of these dimensions in common with university ranking and evaluating systems. Their results are, therefore, expected to be partially convergent with the systems’. Given the importance of the scientific and...

Introduction. The present study investigated the cost-effectiveness of article-processing-charge-funded model across the world countries in terms of its citation value proportional to the article processing charges. Method. Using a comparative citation analysis method at the macro level, it explored a sample of articles in forty-seven Elsevier hybr...

Purpose Co-citation frequency, defined as the number of documents co-citing two articles, is considered as a quantitative, and thus, an efficient proxy of subject relatedness or prestige of the co-cited articles. Despite its quantitative nature, it is found effective in retrieving and evaluating documents, signifying its linkage with the related do...

This study aimed to identify the main features of Open Access tweeted by Twitter users and to analyze their opinions about them. A sample of English tweets about Open Access was identified and analyzed using a quantitative content analysis method with opinion mining approach. To do so, based on a wide literature review,the main features of Open Acc...

Introduction: Considering the development of social web, its capacities in publishing research findings, researchers’ tendency in utilizing social web to increase their visibility, beside the importance to answer the question of how to measure the research social impact, the present study attempts to provide new insights into the amount of scientif...

Purpose: Some university ranking systems like REF involve reviewing to achieve high-quality university performance evaluations. However, the method is lower in efficiency. Exploring a sample of British universities evaluated by REF (2014), the present study investigates the correlation between REF scores and the world's prestigious university ranki...

Introduction: Meta-textuality can provide effective medium for facilitating information retrieval and machine learning. This study explored the strengths of two types of meta-texts (i. e., reviewers' comments and citation contexts) in correct classification and recognition of their related texts and main sections at abstract level. Methods: In this...

Purpose Social comments are rich in information and useful in evaluating, ranking or retrieving different kinds of materials. However, their merits in representing or providing added values to scientific articles have not yet been studied. Therefore, the present study investigates the informativeness of open review reports as a kind of social comme...

Researchers give credit to peer-reviewed, and thus, credible publications through citations. Despite a rigorous reviewing process, certain articles undergo retraction due to disclosure of their ethical or scientific deficiencies. It is, therefore, important to understand how society and academia react to the erroneous or deceitful claims and purge...

With the help of social web, social users can create, manage, share or react without undergoing the formal mechanisms of quality control. The way social users respond to scholarly outputs on the social web is called social citation, which can show the broadening of impact from academia to society. Climate change is one of the most life-threatening...

The present survey aims to study the scientific texts and social texts linked each other by citations in order to investigate the influence of scientific terms on social texts. The social text is expected to be a bridge between scholars and users by citing scientific texts. By indexing scientific and social text and measuring its similarity by mean...

Objective: Author's abstract contains those contributions that the author himself considers important. Meanwhile, they may be less important among scientific community. This supplementary information can be obtained by analyzing citing articles. Citation contexts citing a cited article are actually summaries of that article produced by the scientif...

Purpose: Identifying, classifying, and analyzing citation contexts of information science articles based on Hyland’s meta-discourse approach. Methodology: This research was carried out in two phases: “citation class identification” (Jurgens et al., 2016) and “metadiscourse-based analysis of identified function” (Hyland, 2005). 164 citation contexts...

Research topics vary in their citation potential. In a metric-wise scientific milieu, it would be probable that authors tend to select citation-attractive topics especially when choosing open access (OA) outlets that are more likely to attract citations. Applying a matched-pairs study design, this research aims to examine the role of research topic...

Hybrid open access journals generally authorize self-archiving along with Author-pays model. Given the dependence of the Author-pays model on APCs paid by authors, it is expected to have a negative association with the free-of-charge Green model. By exploring a sample of 52,150 papers published in 47 Elsevier's hybrid journals, the study compares t...

Purpose: This research aims at analyzing and classifying citations contexts of Information Science articles by Hyland's metadiscourse approach. Methodology: This is a directed qualitative content analysis. A citation context analysis was done for 164 citation contexts of English articles citing 10 cited articles (656 explicit and implicit citation...

Purpose: By investigating the structural similarities between altmetric and citation indicators through factor analysis, the present study attempts to identify similar indicators and experimentally group them based on their impact dimensions. Methodology: Applying a citation analysis method, it concentrates on a purposive sample consisted of papers...

Document relational network has been effective in retrieving and evaluating papers. Despite their effectiveness, relational measures, including co-citation, are far from ideal and need improvements. The assumption underlying the co-citation relation is the content relevance and opinion relatedness of cited and citing papers. This may imply existenc...

Amongst health-related scientific disciplines, microbiology appears to play a vital role in creating a sustainable future with respect to health, the environment, and a bio-based economy. This study aimed to identify topics being addressed within the last five years (2012–2016) in the field of microbiology worldwide and to compare them in terms of...

This article presents an empirical evaluation to investigate the distributional semantic power of abstract, body and full-text, as different text levels, in predicting the semantic similarity using a collection of open access articles from PubMed. The semantic similarity is measured based on two criteria namely, linear MeSH terms intersection and h...

This study examines the characteristics of medical articles cited in Wikipedia and compares them with a sample of medical articles not cited in the platform. The aim is to determine the reasons why some articles are selected as reliable sources for Wikipedia and others are not. The characteristics studied are document type, open access status of ar...

The present study atempts to explain the strengths of altmetrics and compare them with those of citation-based indicators, and thereby reveal opportunities provided by social web in research evaluation. Applying a qualitative thematic analysis method, it studied the contents of research and theoretical works about the citation and altmetrics indica...

Purpose Considering the shortcomings of the ASIS&T Web-based thesaurus in representing concepts and semantic relations, there is a need to use more effective semantic tools, such as ontologies. The purpose of this paper is to build a prototype ontology (ASIS&TOnto) based on a Web-based thesaurus. Design/methodology/approach The prototype ontology...

Google Scholar has recently attracted great attentions as an open access multidisciplinary citation database, and a tool for retrieving scientific works for scientometricians and researchers. The present research intended to highlight the limitations brought about by efficiency policies of the search engine and its impact on the results available t...

Background: Information Science researchers have mostly performed quantitative designs and rarely focused on linguistic and rhetorical aspects of citations. Since, citation behavior is a sophisticated process which is affected by several social and cultural factors, using quantitative approaches like citation network analysis is not sufficient for...

Aim: Automatic information retrieval is based on the assumption that texts contain content or structural elements that can be used in word sense disambiguation and thereby improving the effectiveness of the results retrieved. Homographs are among the words requiring sense disambiguation. Depending on their roles and positions in texts, homograph co...

Social media has provided new opportunities for both female and male academics to disseminate their research results, and presence on the Internet is found to increase the visibility of scholars. Thus, this study examined whether there were differences in terms of scientific productivity or the visibility (both in terms of citations and social medi...

Purpose: The present study explored tendencies of the world’s countries—at individual and scientific development levels—toward publishing in APC-funded open access journals. Design/Methodology/Approach: Using a bibliometric method, it studied OA and NOA articles issued in Springer and Elsevier’s APC journals during 2007–2011. The data were gathered...

The present study tended to investigate the sustainability of citation advantage of author-pays hybrid open access journals. Applying a comparative citation analysis method, it explored a sample consisted of 160,168 articles in 47 Elsevier APC-funded hybrid open access journals published in the periods 2007–2011 and 2012–2015. Two citation windows...

The purpose of this article is clarifying the specific application of discourse analysis in automatic summarization of scientific texts. In this regard, the review and analysis of published resources has been used. Text is a complex linguistic unit. Discursive structure and theories of text organization can be considered as an indicator for the int...

Purpose The purpose of this paper is to investigate indexers’ evaluation on the usability of ontology vs thesaurus in representation of concepts and semantic relations. To do so, “searching” category of ASIS&T thesaurus was selected and ASIS&TOnto was built based on it. Design/methodology/approach The usability examination method is used in orde...

Gender disparity in terms of citation performance has been widely documented in the scientific literature. Some research suggests that women’s publications are cited at lower rates than men’s publications, whilst others have found the opposite results or no differences. The process of scientific citations seems to be subject to considerable biases....

Different context types have different potentialities in representing subjects of documents. However, little is known on their probable differences regarding discriminating documents with different subjects. The present study aimed to compare the discrimination powers of five context types (i.e. title, textual, text-citation, reference, and referen...

This study seeks to investigate scientific performance of female and male authors in the field of neurosurgery in terms of their frequency, scientific productivity, as well as their impacts (their citation and readership counts). A total of 18851 articles published during 2008-2012 in the eight neurosurgery core journals were retrieved from the Tho...

Background and Aim: The purpose of this study was to investigate factors prompting Iranian chemists’ approach in joining scientific research networks (SSN). The study compares the demographic characteristics, academic status, academic degrees, and scientific productivity of the Iranian members and non-members of the most popular SSNs including Acad...

Aims: The present research aims to study the factors playing role in Iranian chemists’ approach to join social scientific networks (SSN). It investigates and compares the demographic characteristics, academic status, academic degrees, and scientific productivity of the Iranian members and non-members of the most popular SSNs including Academia, Res...

Background The Neonatal period is one of the most dangerous and vulnerable stages of life. The importance of neonates' mortality has led to national and international efforts, notably as research and scientific studies. However, different aspects and patterns of the scientific productivity in the field have not yet been studied. The present study a...

Research aim: The present study aimed to investigate the value of Iranian papers in chemistry in 2010 based on their citation quality. The citation value was calculated based on text citation frequency and text citation potential. The latter is defined based on the text citation frequency of the cited papers, divided by text citation potential of t...

Aiming to explore the applicability of bookmarking data in measuring the scientific impact, the present study investigates the correlation between conventional impact indicators (i.e. impact factors and mean citations) and bookmarking metrics (mean bookmarks and percentage of bookmarked articles) at author and journal aggregation levels in library...

The aim of the present study is to investigate and compare the role of journals with different access models (including print, database, print/database subscriptions) as well as unsubscribed models in meeting the information needs of Shiraz University researchers. Using a bibliometric method, the communication studies the references used in Shiraz...

Aiming to investigate the citation advantage of author-pays model, the present communication compares open access (OA) and Toll Access (TA) papers recognition in author-pays OA journals in 2007–2011. This is the first large scale study concentrating on all APC-funded OA journals published by Springer and Elsevier as the two greatest publishers auth...

Objective: the objective of this study was to examine the relationship between scientometrics indicators and bookmarking data in order to determine the applicability of bookmarking data in research evaluation and assessment of scientific impact. This study has conducted in levels of articles and document types in Information & Library Science in 20...

Aiming to study the freshness of Persian information, this study attempted to explore the indexing speed of Persian newspapers in Google, Yahoo and Bing. The present study was conducted using a webometric method. The population of the study consisted of all online newspapers published in Persian. The study sample was identified using a targeted met...

Researchers with different scientific career durations vary in their scientific productivity. Therefore, it is necessary to normalize their publication numbers by their scientific career durations in order to have a more objective comparison among researchers. The present study attempts to verify the impact of scientific career duration on research...

Digital and scientific realms are commonly believed to be gendered. The wide pervasiveness of e-science may result in an interaction between the scientific and digital gender divides, increasing the disparities against women. Selecting web-presence as a manifestation of web activity, and applying a quasi-experimental scientometric method, the prese...

Although, women’s contribution to science is crucial to social development, gender difference has been for a long time affecting the quantity and quality of scholarly activity. In spite of some improvements, women are still suffering from gender gap and biases in science world. Using a scientometric method with a comparative approach, the present c...

To test the reasonability of applying journal-specific indicators with the purpose of evaluating individual researchers, the present study attempted to examine the structural similarities between journal-evaluation indicators (i.e. JIF, SNIP and SJR) and authorevaluation ones (i.e. publication counts, citation per paper, and H and G indices) throug...

The present research endeavors to discover similarities and differences among digital libraries in Iran and to clarify the extent of their consistency in terms of main library requisites. Using a qualitative -quantitative method, i.e. a survey research method using content analysis, it identifies Iranian Digital Libraries (IDLs) and explores their...

Physical Education being applied in nature, the role of scientific research has been widely challenged in this field. Applying a bibliometric analysis method, the present study tries to investigate scientific achievement in sports and exercises and examine its relation to practical performance, using scholarly papers indexed in ISI as substitutes o...

Investigating Iran’s scientific proficiency reflected in its scholarly outputs indexed in SCI during the 21st century and 1980s, the present study tries to propose the use of three features of science production including Specialty Diversity, Specialty Stability, and the growth of publications in the specialties, as the primary criteria in evaluati...

Purpose The purpose of this study is to attempt to suggest an adjustment in Iran's national publication strategy based on the country‐specific Matthew core journals. It investigates Iran's performance in its national journal set, and proposes a more prominent journal subset. Design/methodology/approach A citation analysis method is applied to stud...

Witnessing a substantial growth rate in its scientific production, Iran is considered as one of the recently rising stars in scientific contribution scene. However, its impact in science progress is widely unknown, especially at global level. Studying Iran’s scholarly publications and recognition in SCI, the present communication tries to clarify t...

By their widespread availability and dissemination through open access media, scholarly outputs witness an improved visibility supposed to cause a better citation performance. However, due to the existence of the Matthew effect in science system, which affects users’ perceptions of quality, ultimate effects of the enhanced visibility on different e...

Open Access movement has been proven to be capable to enhance the recognition of scientific outputs by improving their visibility. However, it is not clear how different entities benefit from the Open Access advantage; because, the recognition process is dominated by some psychological or realistic biases, resulting in an unequal distribution of ci...

Disciplinary investigation of citation distribution models in the whole open access journal (OAJ) is carried out to reduce the confounding effects of open access (OA) dynamics. Correlation between citations and articles is carried out to identify the citation distribution patterns in the whole OAJ science system (OAJSS), in different scientific dis...

This article examines the evolution of a collection of open access journals (OAJs,) indexed by the Science Citation Index (SCI; Thomson Scientific Philadelphia, PA) against four validity criteria including a free, immediate, full and constant access policy for at least 5 years. Few journals are found to be wrongly identified as OAJ or to have a dub...