Open ENA 소개

A small team. An open horizon.

Open ENA brings together learning science, quantitative ethnography, artificial intelligence, and educational technology.

We are building a transparent and approachable path into Epistemic Network Analysis—one where methods, interface decisions, and future capabilities can be inspected rather than hidden.

Why open

Openness is more than access.

It means making the path from evidence to interpretation visible: what the model receives, what the computation does, what the figure shows, and what it cannot claim.

목적과 약속

Open ENA는 교육과 연구를 위한 비상업적 플랫폼이며, 영구적으로 무료로 제공됩니다.

Explore Open ENA

The team

A shared commitment to understandable research tools.
Portrait of Dr. Peter HU Dongpin

Dr. Peter HU Dongpin

The Education University of Hong Kong

Educational researcher · Application developer

His work spans technology-enhanced learning, learning analytics, artificial intelligence in education, network analysis, and content and language integrated learning.

EdUHK profile
Portrait of Ludwig Jianxing Yu

Ludwig Jianxing Yu

3D ENA Research Group · Hong Kong

ENA variants · Dimensionality-reduction algorithms

He has played a pioneering role in advancing ENA variants such as 3D ENA and dimensionality-reduction algorithms for ENA. As the key developer of 3D ENA 1.0, he combines computer science and psychology to develop interactive research tools.

3D ENA team profile
Portrait of Prof. Sandy TU Yun-Fang

Prof. Sandy TU Yun-Fang

National Taiwan University of Science and Technology

Assistant Professor · Graduate Institute of Digital Learning and Education

Her work spans artificial intelligence in digital learning, cognitive and social networks, data literacy, data visualization, and graph analysis.

Taiwan Tech profile
Portrait of Ms. Shirleen XU Qiaolin

Ms. Shirleen XU Qiaolin

Meredith College, North Carolina, USA

Open ENA team

A member of the Open ENA team affiliated with Meredith College, North Carolina, USA.

Project publications

Selected work across three-dimensional ENA, data literacy, and the development of open, web-based analysis tools.
Project cover artwork showing JavaScript syntax and a prominent JS chip connecting a smoked-glass development environment to a browser-based epistemic network tool

Forthcoming conference paper · 2026

Design and development from rENA to jENA: Accelerating the creation of web-based Open ENA tools

Hu, D., Hamilton, E., Tu, Y. F., & Xu, Q. (2026, November). Design and development from rENA to jENA: Accelerating the creation of web-based Open ENA tools. [Conference paper]. International Conference on Quantitative Ethnography.

ICQE 2026 · Publication details forthcoming
Project cover artwork showing a large smoked-glass code editor and an overlapping browser-based epistemic network preview

Journal article · 2025

Effects on the learning achievement, approaches to learning, and multi-stage reflection quality of students with different levels of digital self-efficacy in a data literacy course: An ARCS-based self-reflective online learning model

Tu, Y. F., Hwang, G. J., & Hu, D. (2025). Effects on the learning achievement, approaches to learning, and multi-stage reflection quality of students with different levels of digital self-efficacy in a data literacy course: An ARCS-based self-reflective online learning model. Computers & Education, 238, 105397. https://doi.org/10.1016/j.compedu.2025.105397

View journal article
Project cover artwork showing a curated three-dimensional epistemic network suspended inside a transparent glass coordinate volume

Conference paper · 2024

Development of ENA 3D: A tool for epistemic network analysis in three-dimensional space

Yu, J., Hu, D., & Wang, C. H. (2024). Development of ENA 3D: A tool for epistemic network analysis in three-dimensional space. In Y. J. Kim & Z. Swiecki (Eds.), Advances in quantitative ethnography (Communications in Computer and Information Science, Vol. 2278, pp. 152–165). Springer. https://doi.org/10.1007/978-3-031-76335-9_11

View conference paper

학문적 기여에 대한 감사

Open ENA는 Quantitative Ethnography (QE)와 Epistemic Network Analysis (ENA)의 이론 및 방법론 연구를 바탕으로 합니다. QE, ENA 및 webENA 도구의 토대를 마련하고 지속적인 발전에 기여해 온 University of Wisconsin–Madison, David Williamson Shaffer 교수, 그리고 Wisconsin Center for Education Research에 소속된 Epistemic Analytics Lab의 연구자, 소프트웨어 개발자 및 협력자 여러분께 깊이 감사드립니다.

QE와 ENA의 이론적 기반

QE는 인간 활동에 대한 맥락에 기반한 질적 이해와 양적 분석을 결합합니다. (Shaffer, 2017)

ENA는 의미 있는 맥락 안에서 코딩된 요소들이 함께 나타나는 양상을 분석하여 연결 네트워크를 구성하고, 네트워크의 시각화와 통계적 비교를 지원합니다. (Shaffer et al., 2016)

Open ENA는 이러한 연구를 기반으로 코딩된 데이터, 모델 설정, 네트워크 비교를 브라우저의 연구 작업 흐름으로 구성합니다. 연구자는 연구 질문, 코딩의 근거, 원래의 질적 자료를 함께 고려하여 결과를 해석해야 합니다. (Shaffer & Ruis, 2017)

인터페이스 디자인의 출처: webENA

Open ENA 팀은 이 플랫폼의 초기 인터페이스 외관과 배치를 정할 때 webENA 도구를 사용하고 참고했습니다. 이 초기 인터페이스의 참고 원천이 미국 위스콘신주 매디슨(Madison, Wisconsin, USA)의 원래 ENA 연구팀과 그 팀의 webENA 디자인 작업에 있음을 명확히 밝힙니다.

ENA 네트워크 시각화는 시각적 디자인과 해석에 관한 연구도 참고합니다. (Tan et al., 2022)

Open ENA는 Open ENA 팀이 독립적으로 유지·관리하는 플랫폼입니다.

기초 참고문헌

  • Shaffer, D. W. (2017). Quantitative ethnography. Cathcart Press. https://www.quantitativeethnography.org/
  • Shaffer, D. W., Collier, W., & Ruis, A. R. (2016). A tutorial on epistemic network analysis: Analyzing the structure of connections in cognitive, social, and interaction data. Journal of Learning Analytics, 3(3), 9–45. https://doi.org/10.18608/jla.2016.33.3
  • Shaffer, D. W., & Ruis, A. R. (2017). Epistemic network analysis: A worked example of theory-based learning analytics. In C. Lang, G. Siemens, A. F. Wise, & D. Gašević (Eds.), Handbook of learning analytics (pp. 175–187). Society for Learning Analytics Research. https://doi.org/10.18608/hla17.015
  • Tan, Y., Hinojosa, C., Marquart, C., Ruis, A. R., & Shaffer, D. W. (2022). Epistemic network analysis visualization. In B. Wasson & S. Zörgő (Eds.), Advances in quantitative ethnography (pp. 129–143). Springer. https://doi.org/10.1007/978-3-030-93859-8_9