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Advanced Search Results For "Topic evolution"

1 - 10 of 2,048 results for
 "Topic evolution"
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A Review of Chinese E-Commerce Research: 2001–2020

Publication Type:Academic Journal

Source(s):IEEE Access, Vol 10, Pp 49015-49027 (2022)

Abstract:Electronic commerce (EC) has become the most critical business activity worldwide. China has become the world’s second largest economy. This study reviewed EC studies in China because although research on EC has yielded numerous results, limited resear...

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Past, present, and future of smart learning: a topic-based bibliometric analysis

Publication Type:Academic Journal

Source(s):International Journal of Educational Technology in Higher Education, Vol 18, Iss 1, Pp 1-29 (2021)

Abstract:Abstract Innovative information and communication technologies have reformed higher education from the traditional way to smart learning. Smart learning applies technological and social developments and facilitates effective personalized learning with ...

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Topic Evolution of Library and Information Science Studies in the Last Twenty Years: A Co-Word Analysis

Publication Type:Academic Journal

Source(s):Taṣvīr-i salāmat, Vol 12, Iss 1, Pp 55-68 (2021)

Abstract:Abstract Background and Objectives: Topic evolutions of scientific and academic disciplines can be clarified by drawing scientific maps and identifies emerging or developed topics of scientific disciplines, sub-topics and the relationship between diffe...

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Topic Evolution and Emerging Topic Analysis Based on Open Source Software

Publication Type:Academic Journal

Source(s):Journal of Data and Information Science, Vol 5, Iss 4, Pp 126-136 (2020)

Abstract:We present an analytical, open source and flexible natural language processing and text mining method for topic evolution, emerging topic detection and research trend forecasting for all kinds of data-tagged text.

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Topic Evolution of Chinese COVID-19 Policies Based on Co-Occurrence Clustering Network Analysis

Publication Type:Academic Journal

Source(s):Sustainability, Vol 14, Iss 2411, p 2411 (2022)

Abstract:This study aims to explore the changes of Chinese coronavirus disease-2019 (COVID-19) policy topics in the eclipse, outbreak, and convalescent stage of COVID-19 based on 4982 textual policies. By using the co-occurrence clustering network method, we fi...

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Overview of Trends in Global Single Cell Research Based on Bibliometric Analysis and LDA Model (2009–2019)

Publication Type:Academic Journal

Source(s):Journal of Data and Information Science, Vol 6, Iss 2, Pp 163-178 (2020)

Abstract:This article aims to describe the global research profile and the development trends of single cell research from the perspective of bibliometric analysis and semantic mining.

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Community Evolutional Network for Situation Awareness Using Social Media

Publication Type:Academic Journal

Source(s):IEEE Access, Vol 8, Pp 39225-39240 (2020)

Abstract:Social media is important for situational awareness during a disaster. During a disaster, the situation of emergence often changes over time and hence the topics of social media messages generated by social media users also change accordingly. Few stud...

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TermBall: Tracking and Predicting Evolution Types of Research Topics by Using Knowledge Structures in Scholarly Big Data

Publication Type:Academic Journal

Source(s):IEEE Access, Vol 8, Pp 108514-108529 (2020)

Abstract:The exponential growth in the number of publications and the prevalence of interdisciplinary research in recent years call for new approaches for analyzing how topics in science are evolving at large. This paper proposes TermBall, a framework that trac...

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Dynamic Collaborative Filtering Based on User Preference Drift and Topic Evolution

Publication Type:Academic Journal

Source(s):IEEE Access, Vol 8, Pp 86433-86447 (2020)

Abstract:Recommender systems are efficient tools for online applications; these systems exploit historical user ratings on items to make recommendations of items to users. This paper aims to enhance dynamic collaborative filtering on recommender systems under v...

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Understanding the Evolution of Government Attention in Response to COVID-19 in China: A Topic Modeling Approach

Publication Type:Academic Journal

Source(s):Healthcare, Vol 9, Iss 898, p 898 (2021)

Abstract:The effective control over the outbreak of COVID-19 in China showcases a prompt government response, in which, however, the allocation of attention, as an essential parameter, remains obscure. This study is designed to clarify the evolution of the Chin...

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