Research published in May 2025

What the tracked finance, accounting, economics, management, operations research and AI journals published in May 2025, by publication date in OpenAlex. This page is a fixed monthly record: its address does not change. Counts can still grow a little as late papers are indexed, and citations are updated daily. Also as Markdown.

Key findings#

In May 2025, the tracked journals published 4,325 papers (finance 648, accounting 61, economics 921, management 442, operations research 575, AI 1,678).
The most frequent keywords were “China” (156), “Chinese listed companies” (105) and “financial constraints” (83).
Compared with their share in the twelve months before, the keywords that grew most were “large language models” (80 papers, +34), “income inequality” (39 papers, +17) and “computational efficiency” (40 papers, +13).
The institutions with the most papers were Chinese Academy of Sciences (76), Tsinghua University (57) and Harbin Institute of Technology (55).
China was involved in 46% of the papers.
The most-cited paper published that month is “Parameter-efficient fine-tuning in large language models: a survey of methodologies” (Artificial Intelligence Review), with 186 citations so far.

Papers by category#

Papers published in May 2025
Category	Papers
Finance	648
Accounting	61
Economics	921
Management	442
Operations Research	575
AI	1,678

Top keywords#

Most frequent keywords, May 2025
#	Keyword	Papers
1	China	156
2	Chinese listed companies	105
3	financial constraints	83
4	large language models	80
5	corporate governance	79
6	COVID-19 pandemic	74
7	graph neural networks	61
8	state-owned enterprises	59
9	contrastive learning	50
10	information asymmetry	49
11	regional heterogeneity	49
12	moderating effect	48
13	attention mechanism	47
14	emerging markets	44
15	computational efficiency	40

Growing keywords#

Papers in May 2025 beyond the keyword's share in the twelve months before
Keyword	Papers	At earlier share	Extra papers
large language models	80	46.2	+33.8
income inequality	39	21.8	+17.2
computational efficiency	40	26.6	+13.4
deep reinforcement learning	35	22.5	+12.5
convergence analysis	31	19.1	+11.9
approximation algorithms	20	8.5	+11.5
supply chain resilience	27	15.8	+11.2
graph attention networks	21	10.1	+10.9
adversarial examples	14	3.7	+10.3
domain generalization	22	12.2	+9.8

Top keywords by category#

The five most frequent keywords per category, May 2025
Category	Most frequent keywords
Finance	Chinese listed companies (79); China (60); financial constraints (60); corporate governance (51); state-owned enterprises (43)
Accounting	corporate governance (13); audit fees (4); Chinese listed companies (3); business risk (3); discretionary accruals (3)
Economics	China (81); income inequality (31); COVID-19 pandemic (23); CO2 emissions (21); economic growth (20)
Management	moderating effect (16); digital transformation (14); purchase intention (14); COVID-19 pandemic (13); artificial intelligence (13)
Operations Research	approximation algorithms (18); supply chain resilience (17); mixed-integer linear programming (16); multi-objective optimization (16); makespan minimization (14)
AI	large language models (70); graph neural networks (60); contrastive learning (49); attention mechanism (47); transformer models (38)

Institutions#

Institutions with the most papers, May 2025
#	Institution	Papers
1	Chinese Academy of Sciences	76
2	Tsinghua University	57
3	Harbin Institute of Technology	55
4	Hong Kong Polytechnic University	55
5	Huazhong University of Science and Technology	53
6	Nanyang Technological University	53
7	Zhejiang University	53
8	Xi'an Jiaotong University	50
9	Peking University	46
10	Northwestern Polytechnical University	44

Countries#

Countries, May 2025
#	Country	Papers
1	China	2,009
2	United States	626
3	United Kingdom	347
4	Italy	227
5	Germany	203
6	Australia	189
7	India	181
8	France	162
9	Hong Kong	131
10	Spain	130

Journals#

Journals with the most papers, May 2025
#	Journal	Papers
1	Expert Systems with Applications	474
2	Knowledge-Based Systems	187
3	Finance research letters	151
4	Pattern Recognition	128
5	Neural Networks	122
6	Neural Computing and Applications	106
7	Information Fusion	97
8	IEEE Transactions on Neural Networks and Learning Systems	91
9	Computers & Industrial Engineering	87
10	Energy Economics	86

Equations and models#

Most-mentioned equations and models, May 2025 (titles, abstracts and keywords)
#	Equation or model	Papers
1	Scaled dot-product attention (Transformer)	153
2	Graph neural network (graph convolution)	130
3	Convolutional neural network (CNN)	93
4	Contrastive loss (InfoNCE)	78
5	Linear and integer programming	70
6	Long short-term memory (LSTM)	55
7	Generative adversarial network (GAN)	32
8	Support vector machine (SVM)	31
9	Mediation model (indirect effect)	28
10	Random forest	28

Datasets#

Most-mentioned datasets, May 2025 (titles, abstracts and keywords)
#	Dataset	Papers
1	Economic Policy Uncertainty index	20
2	Twitter / X	15
3	S&P 500	12
4	CIFAR-10 / CIFAR-100	11
5	ImageNet	11
6	CEC benchmark functions	6
7	MIMIC	6
8	MNIST / Fashion-MNIST	6
9	Brent crude oil	5
10	Climate Policy Uncertainty index	5

Most-cited papers published in May 2025#

Most-cited papers published in May 2025 (citations counted by OpenAlex, updated daily)
#	Citations	Per month	Title	Journal	Published	Authors
1	186	10.4	Parameter-efficient fine-tuning in large language models: a survey of methodologies	Artificial Intelligence Review	2025-05-02	Luping Wang, Sheng Chen, Linnan Jiang et al.
2	178	10.5	Transformers and large language models for efficient intrusion detection systems: A comprehensive survey	Information Fusion	2025-05-29	Hamza Kheddar
3	170	9.9	Otter: A Multi-Modal Model With In-Context Instruction Tuning	IEEE Transactions on Pattern Analysis and Machine Intelligence	2025-05-20	Bo Li, Yuanhan Zhang, Liangyu Chen et al.
4	119	6.7	RMER-DT: Robust multimodal emotion recognition in conversational contexts based on diffusion and transformers	Information Fusion	2025-05-06	Xianxun Zhu, Yaoyang Wang, Yaoyang Wang et al.
5	112	6.4	DiffusionAD: Norm-Guided One-Step Denoising Diffusion for Anomaly Detection	IEEE Transactions on Pattern Analysis and Machine Intelligence	2025-05-15	Hui Zhang, Zheng Wang, Dan Zeng et al.
6	103	5.9	Inadequacies of Large Language Model Benchmarks in the Era of Generative Artificial Intelligence	IEEE Transactions on Artificial Intelligence	2025-05-13	Timothy R. McIntosh, Teo Sušnjak, Nalin Asanka Gamagedara Arachchilage et al.
7	89	5.2	Learning Self-Growth Maps for Fast and Accurate Imbalanced Streaming Data Clustering	IEEE Transactions on Neural Networks and Learning Systems	2025-05-20	Yiqun Zhang, Sen Feng, Pengkai Wang et al.
8	89	5.3	Overview of leakage scenarios in supervised machine learning	Journal Of Big Data	2025-05-29	Leonard Sasse, Eliana Nicolaisen‐Sobesky, Juergen Dukart et al.
9	81	4.7	A survey on physics informed reinforcement learning: Review and open problems	Expert Systems with Applications	2025-05-14	Chayan Banerjee, Kien Nguyen, Clinton Fookes et al.
10	74	4.2	IGEV++: Iterative Multi-Range Geometry Encoding Volumes for Stereo Matching	IEEE Transactions on Pattern Analysis and Machine Intelligence	2025-05-12	Gangwei Xu, Xianqi Wang, Zhaoxing Zhang et al.

Cite this page

Scholar4AI. (2026). Research published in May 2025. Journal Research Rankings. Retrieved October 26, 2026, from https://scholar4ai.com/reports/2025-05

@misc{scholar4ai-reports-2025-05,
  author = {{Scholar4AI}},
  title = {Research published in May 2025},
  year = {2026},
  howpublished = {\url{https://scholar4ai.com/reports/2025-05}},
  urldate = {2026-10-26},
  note = {Journal Research Rankings; data from OpenAlex (CC0); licensed CC BY-NC 4.0}
}

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