Summary:Driven by the progress of globalization, in order to simulate the development trend and distribution range of the global language, and then predict the total number of language users and global migration patte...Summary:Driven by the progress of globalization, in order to simulate the development trend and distribution range of the global language, and then predict the total number of language users and global migration patterns over the next 50 years. We establish the regression model and grey model to determine the main influencing factors. The time series model is used to predict the development trend of the languages in the next 50 years and the migration pattern of population.展开更多
This paper describes the origin of the Java language, then introduce the basic ideas and principles of Java programming language, and then briefly describes the implementation process and application development Java ...This paper describes the origin of the Java language, then introduce the basic ideas and principles of Java programming language, and then briefly describes the implementation process and application development Java language are involved in the main technology applications,followed by more detailed the analysis of the characteristics of the Java language and its advantage compared with other programming languages,finally introduces its application in network security management and embedded systems, and future prospects of the Java language development direction and trends. Java language with its multi-threading, cross-platform, object-oriented features to obtain a wide range of applications and has been a computer programmer and industry recognition.I believe that with the development of computer technology, Java language will make a greater contribution to computer technology.展开更多
背景:大脑的代谢废物清除功能对于维持神经稳态极为关键,代谢废物积累导致的神经稳态失衡是许多中枢神经系统疾病的共同病理学特征。近年来,围绕胶质淋巴系统的研究逐渐成为神经系统领域的研究热点。目的:旨在通过构建胶质淋巴系统研究...背景:大脑的代谢废物清除功能对于维持神经稳态极为关键,代谢废物积累导致的神经稳态失衡是许多中枢神经系统疾病的共同病理学特征。近年来,围绕胶质淋巴系统的研究逐渐成为神经系统领域的研究热点。目的:旨在通过构建胶质淋巴系统研究的知识图谱,可视化地分析该领域的研究现状、热点及其未来的发展趋势。方法:采用Cite Space、VOSviewer软件及R语言环境下的Bibliometrix工具包,对2012年1月至2024年3月Web of Science核心合集数据库中与胶质淋巴系统相关的原始文献进行深入可视化分析,分析内容包括作者、机构、国家、期刊、关键词和共被引文献等。结果与结论:研究共纳入687篇相关文章,该领域发文量逐年增长,近3年呈现爆发性增长趋势;该研究领域发文量第一的国家、机构、作者分别是美国、美国罗切斯特大学和罗切斯特大学的Maiken Nedergaard教授,发文量第一的期刊是《JOURNAL OF CEREBRAL BLOOD FLOW AND METABOLISM》,高频、高中心性关键词主要围绕脑脊液流体动力学等作用机制、阿尔茨海默症等神经系统疾病、扩散张量成像等影像学技术等方面,共被引频次最高的文献是一篇胶质淋巴系统的经典综述论文。上述结果表明,胶质淋巴系统的研究是一个新兴而活跃的领域,目前已受到国内外的广泛关注并逐渐从理论研究向临床实践扩展。展开更多
Analyzing Research and Development(R&D)trends is important because it can influence future decisions regarding R&D direction.In typical trend analysis,topic or technology taxonomies are employed to compute the...Analyzing Research and Development(R&D)trends is important because it can influence future decisions regarding R&D direction.In typical trend analysis,topic or technology taxonomies are employed to compute the popularities of the topics or codes over time.Although it is simple and effective,the taxonomies are difficult to manage because new technologies are introduced rapidly.Therefore,recent studies exploit deep learning to extract pre-defined targets such as problems and solutions.Based on the recent advances in question answering(QA)using deep learning,we adopt a multi-turn QA model to extract problems and solutions from Korean R&D reports.With the previous research,we use the reports directly and analyze the difficulties in handling them using QA style on Information Extraction(IE)for sentence-level benchmark dataset.After investigating the characteristics of Korean R&D,we propose a model to deal with multiple and repeated appearances of targets in the reports.Accordingly,we propose a model that includes an algorithm with two novel modules and a prompt.A newly proposed methodology focuses on reformulating a question without a static template or pre-defined knowledge.We show the effectiveness of the proposed model using a Korean R&D report dataset that we constructed and presented an in-depth analysis of the benefits of the multi-turn QA model.展开更多
Predicting Bitcoin price trends is necessary because they represent the overall trend of the cryptocurrency market.As the history of the Bitcoin market is short and price volatility is high,studies have been conducted...Predicting Bitcoin price trends is necessary because they represent the overall trend of the cryptocurrency market.As the history of the Bitcoin market is short and price volatility is high,studies have been conducted on the factors affecting changes in Bitcoin prices.Experiments have been conducted to predict Bitcoin prices using Twitter content.However,the amount of data was limited,and prices were predicted for only a short period(less than two years).In this study,data from Reddit and LexisNexis,covering a period of more than four years,were collected.These data were utilized to estimate and compare the performance of the six machine learning techniques by adding technical and sentiment indicators to the price data along with the volume of posts.An accuracy of 90.57%and an area under the receiver operating characteristic curve value(AUC)of 97.48%were obtained using the extreme gradient boosting(XGBoost).It was shown that the use of both sentiment index using valence aware dictionary and sentiment reasoner(VADER)and 11 technical indicators utilizing moving average,relative strength index(RSI),stochastic oscillators in predicting Bitcoin price trends can produce significant results.Thus,the input features used in the paper can be applied on Bitcoin price prediction.Furthermore,this approach allows investors to make better decisions regarding Bitcoin-related investments.展开更多
通过利用Web of Science中2003至2022年间的SSCI、A&HCI、SCI-EXPANDED数据库中的外语焦虑研究相关论文,运用CiteSpace 6.1.R4的信息可视化技术,绘制国际外语焦虑研究的相关科学知识图谱,探究国际外语焦虑研究的核心领域、热点变化...通过利用Web of Science中2003至2022年间的SSCI、A&HCI、SCI-EXPANDED数据库中的外语焦虑研究相关论文,运用CiteSpace 6.1.R4的信息可视化技术,绘制国际外语焦虑研究的相关科学知识图谱,探究国际外语焦虑研究的核心领域、热点变化、新兴研究热点及其发展趋势。研究结果表明,近年来国际外语焦虑研究呈波动上升态势,不断涌现新的研究热点,仍有较大发展空间。此外,研究热点集中于交际意愿、写作焦虑、外语愉悦、纠正性反馈等四个方面。未来可扩大研究对象范围、加强学科交叉研究以及拓宽研究视角广度,促进外语焦虑研究向纵深发展。通过对二十年来国际外语焦虑研究的梳理和分析,及时把握外语焦虑发展动向和热点,以期为我国外语焦虑研究提供有意义的参考。展开更多
通过全面综合分析Web of Science数据库中相关文献,本文系统梳理了21世纪以来俄语认知神经科学研究的发展动态。研究发现,该领域研究的核心主要集中于语言理解和产生的大脑机制,其研究主要借助事件相关电位技术、眼动追踪技术和功能磁...通过全面综合分析Web of Science数据库中相关文献,本文系统梳理了21世纪以来俄语认知神经科学研究的发展动态。研究发现,该领域研究的核心主要集中于语言理解和产生的大脑机制,其研究主要借助事件相关电位技术、眼动追踪技术和功能磁共振成像技术。在多学科融合的趋势下,俄语认知神经研究有望通过拓展研究领域、整合多模态方法以及深入挖掘俄语特点等方面取得更深入和全面的成果。该研究为俄语认知神经科学领域的未来发展提供了有益的参考。展开更多
Background:Research innovations inocular disease screening,diagnosis,and management have been boosted by deep learning(DL)in the last decade.To assess historical research trends and current advances,we conducted an ar...Background:Research innovations inocular disease screening,diagnosis,and management have been boosted by deep learning(DL)in the last decade.To assess historical research trends and current advances,we conducted an artificial intelligence(AI)-human hybrid analysis of publications on DL in ophthalmology.Methods:All DL-related articles in ophthalmology,which were published between 2012 and 2022 from Web of Science,were included.500 high-impact articles annotated with key research information were used to fine-tune a large language models(LLM)for reviewing medical literature and extracting information.After verifying the LLM's accuracy in extracting diseases and imaging modalities,we analyzed trend of DL in ophthalmology with 2535 articles.Results:Researchers using LLM for literature analysis were 70%(P=0.0001)faster than those who did not,while achieving comparable accuracy(97%versus 98%,P=0.7681).The field of DL in ophthalmology has grown 116%annually,paralleling trends of the broader DL domain.The publications focused mainly on diabetic retinopathy(P=0.0003),glaucoma(P=0.0011),and age-related macular diseases(P=0.0001)using retinal fundus photographs(FP,P=0.0015)and optical coherence tomography(OCT,P=0.0001).DL studies utilizing multimodal images have been growing,with FP and OCT combined being the most frequent.Among the 500 high-impact articles,laboratory studies constituted the majority at 65.3%.Notably,a discernible decline in model accuracy was observed when categorizing by study design,notwithstanding its statistical insignificance.Furthermore,43 publicly available ocular image datasets were summarized.Conclusion:This study has characterized the landscape of publications on DL in ophthalmology,by identifying the trends and breakthroughs among research topics and the fast-growing areas.This study provides an efficient framework for combined AI-human analysis to comprehensively assess the current status and future trends in the field.展开更多
文摘Summary:Driven by the progress of globalization, in order to simulate the development trend and distribution range of the global language, and then predict the total number of language users and global migration patterns over the next 50 years. We establish the regression model and grey model to determine the main influencing factors. The time series model is used to predict the development trend of the languages in the next 50 years and the migration pattern of population.
文摘This paper describes the origin of the Java language, then introduce the basic ideas and principles of Java programming language, and then briefly describes the implementation process and application development Java language are involved in the main technology applications,followed by more detailed the analysis of the characteristics of the Java language and its advantage compared with other programming languages,finally introduces its application in network security management and embedded systems, and future prospects of the Java language development direction and trends. Java language with its multi-threading, cross-platform, object-oriented features to obtain a wide range of applications and has been a computer programmer and industry recognition.I believe that with the development of computer technology, Java language will make a greater contribution to computer technology.
文摘背景:大脑的代谢废物清除功能对于维持神经稳态极为关键,代谢废物积累导致的神经稳态失衡是许多中枢神经系统疾病的共同病理学特征。近年来,围绕胶质淋巴系统的研究逐渐成为神经系统领域的研究热点。目的:旨在通过构建胶质淋巴系统研究的知识图谱,可视化地分析该领域的研究现状、热点及其未来的发展趋势。方法:采用Cite Space、VOSviewer软件及R语言环境下的Bibliometrix工具包,对2012年1月至2024年3月Web of Science核心合集数据库中与胶质淋巴系统相关的原始文献进行深入可视化分析,分析内容包括作者、机构、国家、期刊、关键词和共被引文献等。结果与结论:研究共纳入687篇相关文章,该领域发文量逐年增长,近3年呈现爆发性增长趋势;该研究领域发文量第一的国家、机构、作者分别是美国、美国罗切斯特大学和罗切斯特大学的Maiken Nedergaard教授,发文量第一的期刊是《JOURNAL OF CEREBRAL BLOOD FLOW AND METABOLISM》,高频、高中心性关键词主要围绕脑脊液流体动力学等作用机制、阿尔茨海默症等神经系统疾病、扩散张量成像等影像学技术等方面,共被引频次最高的文献是一篇胶质淋巴系统的经典综述论文。上述结果表明,胶质淋巴系统的研究是一个新兴而活跃的领域,目前已受到国内外的广泛关注并逐渐从理论研究向临床实践扩展。
基金the National Research Foundation of Korea(NRF)grant funded by the Korea government(MSIT)(NRF-2019R1G1A1003312)the Ministry of Education(NRF-2021R1I1A3052815).
文摘Analyzing Research and Development(R&D)trends is important because it can influence future decisions regarding R&D direction.In typical trend analysis,topic or technology taxonomies are employed to compute the popularities of the topics or codes over time.Although it is simple and effective,the taxonomies are difficult to manage because new technologies are introduced rapidly.Therefore,recent studies exploit deep learning to extract pre-defined targets such as problems and solutions.Based on the recent advances in question answering(QA)using deep learning,we adopt a multi-turn QA model to extract problems and solutions from Korean R&D reports.With the previous research,we use the reports directly and analyze the difficulties in handling them using QA style on Information Extraction(IE)for sentence-level benchmark dataset.After investigating the characteristics of Korean R&D,we propose a model to deal with multiple and repeated appearances of targets in the reports.Accordingly,we propose a model that includes an algorithm with two novel modules and a prompt.A newly proposed methodology focuses on reformulating a question without a static template or pre-defined knowledge.We show the effectiveness of the proposed model using a Korean R&D report dataset that we constructed and presented an in-depth analysis of the benefits of the multi-turn QA model.
基金This study was supported by a National Research Foundation of Korea(NRF)(http://nrf.re.kr/eng/index)grant funded by the Korean government(NRF-2020R1A2C1014957).
文摘Predicting Bitcoin price trends is necessary because they represent the overall trend of the cryptocurrency market.As the history of the Bitcoin market is short and price volatility is high,studies have been conducted on the factors affecting changes in Bitcoin prices.Experiments have been conducted to predict Bitcoin prices using Twitter content.However,the amount of data was limited,and prices were predicted for only a short period(less than two years).In this study,data from Reddit and LexisNexis,covering a period of more than four years,were collected.These data were utilized to estimate and compare the performance of the six machine learning techniques by adding technical and sentiment indicators to the price data along with the volume of posts.An accuracy of 90.57%and an area under the receiver operating characteristic curve value(AUC)of 97.48%were obtained using the extreme gradient boosting(XGBoost).It was shown that the use of both sentiment index using valence aware dictionary and sentiment reasoner(VADER)and 11 technical indicators utilizing moving average,relative strength index(RSI),stochastic oscillators in predicting Bitcoin price trends can produce significant results.Thus,the input features used in the paper can be applied on Bitcoin price prediction.Furthermore,this approach allows investors to make better decisions regarding Bitcoin-related investments.
文摘通过利用Web of Science中2003至2022年间的SSCI、A&HCI、SCI-EXPANDED数据库中的外语焦虑研究相关论文,运用CiteSpace 6.1.R4的信息可视化技术,绘制国际外语焦虑研究的相关科学知识图谱,探究国际外语焦虑研究的核心领域、热点变化、新兴研究热点及其发展趋势。研究结果表明,近年来国际外语焦虑研究呈波动上升态势,不断涌现新的研究热点,仍有较大发展空间。此外,研究热点集中于交际意愿、写作焦虑、外语愉悦、纠正性反馈等四个方面。未来可扩大研究对象范围、加强学科交叉研究以及拓宽研究视角广度,促进外语焦虑研究向纵深发展。通过对二十年来国际外语焦虑研究的梳理和分析,及时把握外语焦虑发展动向和热点,以期为我国外语焦虑研究提供有意义的参考。
文摘通过全面综合分析Web of Science数据库中相关文献,本文系统梳理了21世纪以来俄语认知神经科学研究的发展动态。研究发现,该领域研究的核心主要集中于语言理解和产生的大脑机制,其研究主要借助事件相关电位技术、眼动追踪技术和功能磁共振成像技术。在多学科融合的趋势下,俄语认知神经研究有望通过拓展研究领域、整合多模态方法以及深入挖掘俄语特点等方面取得更深入和全面的成果。该研究为俄语认知神经科学领域的未来发展提供了有益的参考。
基金supported by the National Natural Science Foundation of China(82000946)Guangdong Natural Science Funds for Distinguished Young Scholar(2023B1515020100)+1 种基金the Natural Science Foundation of Guangdong Province(2021A1515012238)the Science and Technology Program of Guangzhou(202201020522 and 202201020337).
文摘Background:Research innovations inocular disease screening,diagnosis,and management have been boosted by deep learning(DL)in the last decade.To assess historical research trends and current advances,we conducted an artificial intelligence(AI)-human hybrid analysis of publications on DL in ophthalmology.Methods:All DL-related articles in ophthalmology,which were published between 2012 and 2022 from Web of Science,were included.500 high-impact articles annotated with key research information were used to fine-tune a large language models(LLM)for reviewing medical literature and extracting information.After verifying the LLM's accuracy in extracting diseases and imaging modalities,we analyzed trend of DL in ophthalmology with 2535 articles.Results:Researchers using LLM for literature analysis were 70%(P=0.0001)faster than those who did not,while achieving comparable accuracy(97%versus 98%,P=0.7681).The field of DL in ophthalmology has grown 116%annually,paralleling trends of the broader DL domain.The publications focused mainly on diabetic retinopathy(P=0.0003),glaucoma(P=0.0011),and age-related macular diseases(P=0.0001)using retinal fundus photographs(FP,P=0.0015)and optical coherence tomography(OCT,P=0.0001).DL studies utilizing multimodal images have been growing,with FP and OCT combined being the most frequent.Among the 500 high-impact articles,laboratory studies constituted the majority at 65.3%.Notably,a discernible decline in model accuracy was observed when categorizing by study design,notwithstanding its statistical insignificance.Furthermore,43 publicly available ocular image datasets were summarized.Conclusion:This study has characterized the landscape of publications on DL in ophthalmology,by identifying the trends and breakthroughs among research topics and the fast-growing areas.This study provides an efficient framework for combined AI-human analysis to comprehensively assess the current status and future trends in the field.