Jiangen He

ORCID: 0000-0002-3950-6098
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About
Contact & Profiles
Research Areas
  • scientometrics and bibliometrics research
  • Advanced Text Analysis Techniques
  • Complex Network Analysis Techniques
  • Data Visualization and Analytics
  • Higher Education Research Studies
  • Biomedical Text Mining and Ontologies
  • Web visibility and informetrics
  • Misinformation and Its Impacts
  • AI in Service Interactions
  • Migration and Labor Dynamics
  • Computational and Text Analysis Methods
  • Extraction and Separation Processes
  • Meta-analysis and systematic reviews
  • Higher Education Governance and Development
  • Data Analysis with R
  • Corporate Identity and Reputation
  • Big Data and Business Intelligence
  • Spinal Cord Injury Research
  • Assembly Line Balancing Optimization
  • Data-Driven Disease Surveillance
  • Diversity and Career in Medicine
  • Cognitive Science and Mapping
  • Mental Health via Writing
  • Adenosine and Purinergic Signaling
  • Wikis in Education and Collaboration

University of Tennessee at Knoxville
2008-2025

Knoxville College
2023-2025

Tang Hospital
2022-2023

Applied Optoelectronics (United States)
2023

Drexel University
2015-2020

Northeastern University
2016

University of Surrey
2006

Using visual analytic systems effectively may incur a steep learning curve for users, especially those who have little prior knowledge of either using the tool or accomplishing tasks. How do users deal with over time? Are there particularly problematic aspects an process? In this article we investigate these questions through integrative study use CiteSpace—a finding trends and patterns in scientific literature. particular, analyze millions interactive events logs generated by worldwide...

10.1002/asi.23770 article EN Journal of the Association for Information Science and Technology 2017-01-27

Conversational agents are increasingly utilized to deliver mental health interventions. However, these systems characterized by relatively poor adoption and adherence. Our study explores the "racial mirroring" effects on how people perceive engage with in context of psychotherapy. We developed a conversational system racially heterogeneous personas using strong visual cues. conducted an experiment randomly assigning participants (N=212) racial mirroring, non-mirroring control groups. results...

10.1145/3377325.3377488 article EN 2020-03-04

Large Language Models (LLMs) are increasingly used in decision-making, yet their susceptibility to cognitive biases remains a pressing challenge. This study explores how personality traits influence these and evaluates the effectiveness of mitigation strategies across various model architectures. Our findings identify six prevalent biases, while sunk cost group attribution exhibit minimal impact. Personality play crucial role either amplifying or reducing significantly affecting LLMs respond...

10.48550/arxiv.2502.14219 preprint EN arXiv (Cornell University) 2025-02-19

Finding relevant publications is a common task. Typically, researcher browses through list of and traces additional publications. When are identified, the may be expanded by citation links The information needs researchers change as they go such iterative processes. exploration process quickly becomes cumbersome expands. Most existing academic search systems tend to limited in terms extent which searchers can adapt their proceed. In this article, we introduce an adaptive visual system named...

10.1002/asi.24171 article EN Journal of the Association for Information Science and Technology 2019-02-28

800G Ethernet is expected to be the dominant solution for next generation inter- and intra-data-center connections. To boost transmission capacity 800 Gb/s, utilizing multi-level pulse amplitude modulation (PAM) transmitting format adopting multiple lanes are competitive solutions. In this paper, we demonstrate a PAM4-modulated QSFP-DD transceiver integrated with two 4 × 100G thin-film lithium niobate (TFLN) DR4 modulator chips. The chips have 13.5 dB insertion loss (including inherent 3 6...

10.1109/jlt.2023.3238844 article EN Journal of Lightwave Technology 2023-01-23

ABSTRACT This study analyzes the relation between author affiliation reputation and uncitedness. We use 2015 U.S. News Best Global University Subject rankings as representative of collect uncited papers from 24 journals in six subjects WoS. Preliminary correlation analysis results indicate that: (1) there is a significant (2) their negatively weakly correlated. And secondary data collection proved that uncitedness vary different subjects. The findings this would attract scientists’ attention...

10.1002/pra2.2015.1450520100103 article EN Proceedings of the Association for Information Science and Technology 2015-01-01

This paper uses two open science data sources—ORCID and the Carnegie Classification of Institutions Higher Education (CCIHE)—to identify tenure-track tenured professors in United States who have changed academic affiliations. Through a series cleaning processing actions, 5,938 met selection criteria professorship mobility. Using ORCID professor profiles Classification, this reveals patterns mobility from aspects institution types, locations, regions, funding mechanisms institutions,...

10.1162/qss_a_00088 article EN cc-by Quantitative Science Studies 2020-09-10

Novel scientific knowledge is constantly produced by the community. Understanding level of novelty characterized literature key for modeling dynamics and analyzing growth mechanisms knowledge. Metrics derived from bibliometrics citation analysis were effectively used to characterize in development. However, time required before we can observe links between documents such as or patterns links, which makes these techniques more effective retrospective than predictive analysis. In this study,...

10.3389/frma.2018.00009 article EN cc-by Frontiers in Research Metrics and Analytics 2018-03-05

Abstract Promotions and academic mobility are trajectory‐altering events in a researcher's career. This paper compiles unique large data set investigates publication citation differences between two groups of researchers: the ones who mobile their counterparts stay at university with promotion. finds that researchers often have lesser productivity increase than post‐promotion counterparts. The difference is largely driven by male professors physical science clinical health fields moving from...

10.1002/asi.24895 article EN Journal of the Association for Information Science and Technology 2024-04-12

Researchers may describe different aspects of past scientific publications in their and the descriptions keep changing evolution science. The diverse (i.e., citation context) on a publication characterize impact contributions publication. In this article, we aim to provide an approach understanding roles characterized by its context full text publications. We proposed approaches for representing cited periods as sequences vectors training temporal embedding models. can utilize...

10.3389/frma.2018.00027 article EN cc-by Frontiers in Research Metrics and Analytics 2018-09-19

Spatially and temporally relevant text data generated on the Internet by users worldwide is of great value for investigating understanding emerging trends user interests how they may evolve over time space. However, exploring spatiotemporal characterizing evolution topics space are challenging due to complexity such associated activities. This paper proposes a new approach with visual filters. We introduce notion topic trajectory depict topics. Multiple coordinated visualizations provided in...

10.1145/2968220.2968244 article EN 2016-08-31

Mixed-model assembly nowadays is a common practice in the automobile industry. In an plant, many car options often need to be considered sequencing line, for example, multiple objectives that consider pattern, blocking, spacing, and smoothing of options. A general heuristic procedure developed this paper lines considering The obtains initial sequence by enhanced constructive procedure, swaps orders most deteriorating category objectives, performs re-sequencing attempting improve swapped...

10.1080/00207540701381291 article EN International Journal of Production Research 2008-01-01

This paper examines academic mobility patterns at Howard University, one of the leading Historically Black Colleges and Universities (HBCU) in United States. The work presented is first investigatory validation phases data analysis portion a larger NSF supported project working to empirically study brain drain from these institutions. uses Internet Archive’s Wayback Machine university web pages collect longitudinal faculty affiliation 11 HBCUs 2005-2021. Preliminary results University...

10.31235/osf.io/tg6w5 preprint EN 2024-08-22

This paper examines academic mobility patterns at Howard University, one of the leading Historically Black Colleges and Universities (HBCU) in United States. The work presented is first investigatory validation phases data analysis portion a larger NSF supported project working to empirically study brain drain from these institutions. uses Internet Archive’s Wayback Machine university web pages collect longitudinal faculty affiliation 11 HBCUs 2005-2021. Preliminary results University...

10.32388/f0gw8p preprint EN 2024-09-12

Abstract This study examines the diversity of institutional human capital at Historically Black Colleges and Universities (HBCUs) by analyzing faculty educational backgrounds using a large data set on hiring placement. The analysis includes approximately four thousand members employed 10 research-intensive R2 HBCUs between 2011 2020. results reveal that primarily hired tenure-track from predominantly White R1 institutions. In contrast, 20% their own graduates, while less than 10% hires came...

10.1007/s10755-024-09772-y article EN cc-by Innovative Higher Education 2024-12-24
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