结合引文内容分析数据的科技期刊影响力评价研究

【目的】参考二维度融合的期刊影响力评价模型,探索利用人工智能引文内容分析平台——Scite.ai所提供的数据,结合传统引文指标开展科技期刊的影响力评价。【方法】以Web of Science数据库中耳鼻喉科学分类下收录的国际期刊为研究对象,对期刊的8项传统引文指标和5项引文内容分析指标,采用归一化处理、相关性分析、信度分析、效度分析和因素分析方法,分析期刊通过传统引文指标表现出来的宏观影响力和通过引文内容分析指标表现出来的微观影响力,最后融合两类影响力得到二维评价结果。【结果】8项传统引文指标之间的正相关性极显著,指标整体的一致性也较高;5项引文内容分析指标中,4项指标之间的正相关性极显著,引文支持型占比指标(Scite Index,SI)与其余4项指标不具有相关性,不适合单独用于期刊影响力评价;两类影响力间的相关性系数为0.492,呈中度正相关,引文内容分析指标可以作为传统引文指标评价体系的有益补充。【结论】由于不具有相关性,Scite.ai所提供的SI指标不适合单独用于期刊影响力评价;利用传统引文指标进行期刊影响力评价时有必要结合Scite.ai平台的其他引文内容分析指标以全面反映期刊的学术质量。     

2010年-2018年甲状腺结节相关SCI论文知识图谱及数据可视化分析

目的:分析2010年至2018年甲状腺结节相关SCI论文，并建模进行定性与定量分析。方法:利用文献计量学中的引文分析、共被引分析、数据可视化、聚类分析等方法，使用CiteSpace分析工具，分析来源于Web of ScienceTM核心合集数据库中有关论文的出版情况、国家、机构、作者、知识基础与研究热点。结果:到2018年10月31日截止，研究了4 618篇论文。发表论文数:美国在国家/地区中排名第一，延世大学在研究机构中排名第一，Kwak JY在所有作者中排名第一。从2010年开始，每年发表的论文数量都在稳步增长，有相当多的论文发表在如《新英格兰杂志》、《THYROID》、《JAMA》、《CELL》等高影响因子的期刊上。甲状腺结节的SCI论文参考文献聚类为6类，分别是papillary-like nuclear feature、current statu、radiofrequency ablation、ultrasound elastography、goiter area、data system。代表研究前沿的关键词是meta-analysis、recommendation、thyroid carcinoma、shear wave elastography与bethesda system。结论:本文通过对国际上甲状腺结节的研究基础、研究热点的分析，阐述了甲状腺结节的研究趋势，为我国医学工作者的研究提供参考。     

Global patent landscape of programmed cell death 1: implications of the rapid expansion

Introduction: Inhibitors of programmed cell death 1 (PD-1) and its ligands are producing a paradigm shift in cancer treatment. The promising clinical outcomes and a multi-billion dollar market have prompted active research and development and resulted in relentless patent protection. However, the global patent landscape in this field remains unclear.

Areas covered: The patent landscape encompassing global patenting activities and developing trends in the field is discussed based on a data set of 1287 patent families. Patenting activities have expanded rapidly in the past three years. Specific trends in relevant aspects are presented, including patent filing countries, patent ownership, co-patents, technical areas, and technological connections in terms of patent citation relationships.

Expert opinion: Together with patenting momentum in recent years, fragmented ownership and dense technological connections of PD-1-related inventions raise the possibility of a patent thicket. The explosion of patent applications and complex citation relationships could also lead to considerable patent conflicts and disputes on overlapping intellectual property rights, in addition to existing legal uncertainties. Patent applicants in this field are encouraged to be aware of these concerns when developing valid patent strategies.     

Research and development of anti-Alzheimer’s disease drugs: an update from the perspective of technology flows

Introduction: Today, over 20 million people suffer from Alzheimer’s disease (AD) worldwide. AD has become a critical issue to human health, especially in aging societies, and therefore it is a research hotspot in the global scientific community. The technology flow method differs from traditional reviews generating an informative overview of the research and development (R&D) landscape in a specific technological area. We need such an updated method to get a general overview of the R&D of anti-AD drugs in light of the dramatic developments in this area in recent years.

Areas covered: This study collects patent data from the Integrity database. A total of 399 patents with 821 internal citation pairs in the US from 1978 to 2017 were analyzed. Patent citation network analysis was used to visualize the technology relationship.

Expert opinion: For better production of anti-AD drugs, governments should emphasize the multi-target drug design, provide policy support for private companies, and encourage multilateral cooperation. The β-amyloid peptide (Aβ) theory leaves much to be desired; neurotransmitter and tau protein hypotheses are worth further examination. The use of old drugs for new indications is promising, as are traditional herbal medicines.     

A bibliometric analysis of occupational therapy publications

Background: Bibliometrics involves the statistical analysis of the publications in a specific discipline or subject area. A bibliometric analysis of the occupational therapy refereed literature is needed.

Aim: A bibliometric analysis was completed of the occupational therapy literature from 1991-2014, indexed in the Science Citation Index-Expanded or the Social Sciences Citation Index.

Method: Publications were searched by title, abstract, keywords, and KeyWords Plus. Total number of article citations, citations per journal, and contributions per country, individual authors, and institution were calculated.

Results: 5,315 occupational therapy articles were published in 821 journals. It appears that there is a citation window of an approximate 10-year period between the time of publication and the peak number of citations an article receives. The top three most highly cited articles were published in Developmental Medicine and Child Neurology, JAMA, and Lancet. AJOT, BJOT and AOTJ published the largest number of occupational therapy articles with the United States, Australia, and Canada producing the highest number of publications. McMaster University, the University of Queensland, and the University of Toronto were the institutions that published the largest number of occupational therapy journal articles.

Conclusion: The occupational therapy literature is growing and the frequency of article citation is increasing.     

Top-cited articles in endodontic journals

Introduction

The purpose of this study was to identify the 100 top-cited articles published in journals dedicated to endodontology and analyze their characteristics to describe the quality and evolution of research in the field of endodontology.

Methods

The Institute for Scientific Information Web of Knowledge Database and the Journal Citation Report Science Editions were used to retrieve the 100 most cited articles published in journals dedicated to endodontics. The top-cited articles were selected and analyzed with regard to journals, authors, institution, country of origin, publication title and year, number of citations, article type, study design, level of evidence, and field of study.

Results

The top 100 articles were cited between 87 and 554 times. These articles appeared in 4 different journals, with more than half in the Journal of Endodontics, followed by the journals Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology, the International Endodontic Journal, and Endodontics & Dental Traumatology. Forty-eight articles were published between 1990 and 1999. All articles were published in English and primarily originated from the United States (n = 52). The majority of articles were basic science articles (n = 55), followed by clinical research studies (n = 28) and nonsystematic reviews (n = 17). Uncontrolled case series with level IV of evidence and narrative reviews with level V of evidence were the most frequent types of study design. The main topics covered by the top-cited articles were microleakage and endodontic microbiology.

Conclusions

This analysis of citation rates reveals useful and interesting information about scientific progress in the field of endodontics. Basic research and observational studies published in high-impact endodontic journals had the highest citation rates.     

我国脊柱外科被引最高的50篇文献

目的筛选我国脊柱外科被引最高的50篇文献,分析其主要特征。方法利用中国生物医学期刊引文数据库,检索我国33本骨科主要期刊。根据被引频次排名,筛选脊柱外科被引最高的50篇文献,分析其主要信息。结果被引最高的50篇文献被引频次从391次到80次。发表于1994-2006年间。刊登于7本期刊,《中华骨科杂志》、《中国脊柱脊髓杂志》、《中华外科杂志》和《颈腰痛杂志》最多。分布于12个省市,北京最多。来源于24所机构,苏州大学一附院最多。8位第一作者发表一篇以上文献。脊柱退行性疾病相关文献最多。结论被引最高文献的总结有助于认识我国脊柱外科领域经典文献的主要特征,了解该领域发展历史并指导未来研究,为青年医师阅读提供参考。