---
title: "Expectation-maximization algorithm research"
description: "From 2017 to 2026 (so far), the keyword “expectation-maximization algorithm” appeared in 530 papers in the tracked journals, most of them in statistics (262), AI (181) and operations research (37)."
url: https://scholar4ai.com/keywords/expectation-maximization-algorithm
markdown_url: https://scholar4ai.com/keywords/expectation-maximization-algorithm.md
license: CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/)
share_text: "From 2017 to 2026 (so far), the keyword “expectation-maximization algorithm” appeared in 530 papers in the tracked journals, most of them in statistics (262), AI (181) and operations research (37). (as of 2026-11-03)"
data_url: https://scholar4ai.com/data/rankings.json
updated: 2026-11-03T18:03:37+09:00
window: 2026-10-05 to 2026-11-03
source: OpenAlex (CC0)
---

# Papers on “expectation-maximization algorithm”

Research on “expectation-maximization algorithm” in the 480 tracked journals: papers per year and category, the journals, institutions and countries publishing it, the keywords studied with it and its most-cited papers. It is not among the most frequent keywords of the last 30 days, so this page has no list of its latest papers.

Back to the ranking: https://scholar4ai.com/rankings/keywords.md

## Key findings

- From 2017 to 2026 (so far), the keyword “expectation-maximization algorithm” appeared in 530 papers in the tracked journals, most of them in statistics (262), AI (181) and operations research (37).
- 61 of them were published in 2025, against 54 in 2017.
- Since 2023, the institutions with the most of these papers were Centre National de la Recherche Scientifique (9), Renmin University of China (6) and Beihang University (5).
- The journals publishing most of them were Statistics and Computing (30), Computational Statistics (18) and Pattern Recognition (11).
- The most-cited of them is “Ensemble unsupervised autoencoders and Gaussian mixture model for cyberattack detection” (Information Processing & Management, 2022), with 251 citations.

## Papers per year

*Papers per publication year and category*

| Category | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 (so far) |
|---|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|
| [Statistics](https://scholar4ai.com/categories/statistics.md) | 25 | 18 | 30 | 33 | 29 | 20 | 31 | 25 | 29 | 22 |
| [AI](https://scholar4ai.com/categories/ai.md) | 19 | 12 | 16 | 25 | 19 | 27 | 14 | 17 | 26 | 6 |
| [Operations Research](https://scholar4ai.com/categories/operations-research.md) | 4 | 2 | 4 | 6 | 4 | 7 | 5 | 3 | 1 | 1 |
| [Economics](https://scholar4ai.com/categories/economics.md) | 4 | 2 | 1 | 3 | 2 | 3 | 2 | 4 | 2 | 3 |
| [Finance](https://scholar4ai.com/categories/finance.md) | 2 | 3 | 2 | 0 | 5 | 1 | 3 | 3 | 3 | 0 |
| [Information Systems](https://scholar4ai.com/categories/information-systems.md) | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| All categories | 54 | 37 | 53 | 67 | 61 | 58 | 55 | 52 | 61 | 32 |

## Where the papers come from

*Journals with the most papers, since 2023*

| # | Journal | Papers |
|---:|---|---:|
| 1 | [Statistics and Computing](https://scholar4ai.com/journals/statistics-and-computing.md) | 30 |
| 2 | [Computational Statistics](https://scholar4ai.com/journals/computational-statistics.md) | 18 |
| 3 | [Pattern Recognition](https://scholar4ai.com/journals/pattern-recognition.md) | 11 |
| 4 | [Journal of Multivariate Analysis](https://scholar4ai.com/journals/journal-of-multivariate-analysis.md) | 9 |
| 5 | [IEEE Transactions on Pattern Analysis and Machine Intelligence](https://scholar4ai.com/journals/ieee-transactions-on-pattern-analysis-and-machine-intelligence.md) | 9 |
| 6 | [Statistical Papers](https://scholar4ai.com/journals/statistical-papers.md) | 9 |
| 7 | [Knowledge-Based Systems](https://scholar4ai.com/journals/knowledge-based-systems.md) | 8 |
| 8 | [Expert Systems with Applications](https://scholar4ai.com/journals/expert-systems-with-applications.md) | 8 |
| 9 | [Computational Statistics & Data Analysis](https://scholar4ai.com/journals/computational-statistics-data-analysis.md) | 7 |
| 10 | [Journal of Econometrics](https://scholar4ai.com/journals/journal-of-econometrics.md) | 6 |

*Institutions with the most papers, since 2023*

| # | Institution | Papers |
|---:|---|---:|
| 1 | [Centre National de la Recherche Scientifique](https://scholar4ai.com/institutions/centre-national-de-la-recherche-scientifique.md) | 9 |
| 2 | [Renmin University of China](https://scholar4ai.com/institutions/renmin-university-of-china.md) | 6 |
| 3 | [Beihang University](https://scholar4ai.com/institutions/beihang-university.md) | 5 |
| 4 | [Chinese Academy of Sciences](https://scholar4ai.com/institutions/chinese-academy-of-sciences.md) | 5 |
| 5 | Institut national de recherche en sciences et technologies du numérique | 5 |
| 6 | [Institute of Automation](https://scholar4ai.com/institutions/institute-of-automation.md) | 4 |
| 7 | [Peking University](https://scholar4ai.com/institutions/peking-university.md) | 4 |
| 8 | [Shanghai Jiao Tong University](https://scholar4ai.com/institutions/shanghai-jiao-tong-university.md) | 4 |
| 9 | University of Catania | 4 |
| 10 | [University of Milano-Bicocca](https://scholar4ai.com/institutions/university-of-milano-bicocca.md) | 4 |

*Countries with the most papers, since 2023*

| # | Country | Papers |
|---:|---|---:|
| 1 | China | 83 |
| 2 | United States | 36 |
| 3 | Italy | 21 |
| 4 | Canada | 16 |
| 5 | France | 15 |
| 6 | United Kingdom | 13 |
| 7 | Australia | 8 |
| 8 | Hong Kong | 8 |
| 9 | Japan | 7 |
| 10 | Iran | 5 |

*Keywords with the most papers, since 2023*

| # | Keyword | Papers |
|---:|---|---:|
| 1 | [maximum likelihood estimation](https://scholar4ai.com/keywords/maximum-likelihood-estimation.md) | 26 |
| 2 | mixture models | 22 |
| 3 | Gaussian mixture model | 16 |
| 4 | [parameter estimation](https://scholar4ai.com/keywords/parameter-estimation.md) | 14 |
| 5 | missing data | 12 |
| 6 | [asymptotic normality](https://scholar4ai.com/keywords/asymptotic-normality.md) | 11 |
| 7 | heavy-tailed distributions | 11 |
| 8 | model-based clustering | 10 |
| 9 | [consistency](https://scholar4ai.com/keywords/consistency.md) | 9 |

## Most-cited papers

*Most-cited papers since 2017*

| # | Citations | Per month | Title | Journal | Published | Authors |
|---:|---:|---:|---|---|---|---|
| 1 | 251 | 4.3 | [Ensemble unsupervised autoencoders and Gaussian mixture model for cyberattack detection](https://doi.org/10.1016/j.ipm.2021.102844) | [Information Processing & Management](https://scholar4ai.com/journals/information-processing-management.md) | 2022-01-10 | Peng An, Zhiyuan Wang, Chunjiong Zhang |
| 2 | 245 | 2.1 | [Estimating traffic volumes for signalized intersections using connected vehicle data](https://doi.org/10.1016/j.trc.2017.03.007) | [Transportation Research Part C Emerging Technologies](https://scholar4ai.com/journals/transportation-research-part-c-emerging-technologies.md) | 2017-04-17 | Jianfeng Zheng, Henry  X. Liu |
| 3 | 224 | 2.2 | [MonoCap: Monocular Human Motion Capture using a CNN Coupled with a Geometric Prior](https://doi.org/10.1109/tpami.2018.2816031) | [IEEE Transactions on Pattern Analysis and Machine Intelligence](https://scholar4ai.com/journals/ieee-transactions-on-pattern-analysis-and-machine-intelligence.md) | 2018-03-15 | Xiaowei Zhou, Menglong Zhu, Georgios Pavlakos et al. |
| 4 | 182 | 1.6 | [Robust Online Matrix Factorization for Dynamic Background Subtraction](https://doi.org/10.1109/tpami.2017.2732350) | [IEEE Transactions on Pattern Analysis and Machine Intelligence](https://scholar4ai.com/journals/ieee-transactions-on-pattern-analysis-and-machine-intelligence.md) | 2017-07-27 | Hongwei Yong, Deyu Meng, Wangmeng Zuo et al. |
| 5 | 173 | 2.4 | [Remaining useful life re-prediction methodology based on Wiener process: Subsea Christmas tree system as a case study](https://doi.org/10.1016/j.cie.2020.106983) | [Computers & Industrial Engineering](https://scholar4ai.com/journals/computers-industrial-engineering.md) | 2020-11-28 | Baoping Cai, Hongyan Fan, Xiaoyan Shao et al. |

## Cite this page

Scholar4AI. (2026). Papers on “expectation-maximization algorithm”. Journal and Conference Research Rankings. Retrieved November 3, 2026, from https://scholar4ai.com/keywords/expectation-maximization-algorithm

```bibtex
@misc{scholar4ai-keywords-expectation-maximization-algorithm,
  author = {{Scholar4AI}},
  title = {Papers on “expectation-maximization algorithm”},
  year = {2026},
  howpublished = {\url{https://scholar4ai.com/keywords/expectation-maximization-algorithm}},
  urldate = {2026-11-03},
  note = {Journal and Conference Research Rankings; data from OpenAlex (CC0); licensed CC BY-NC 4.0}
}
```

License: CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/).