Research published in May 2026

What the tracked finance, accounting, economics, management, operations research and AI journals published in May 2026, 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 2026, the tracked journals published 4,201 papers (finance 605, accounting 78, economics 844, management 473, operations research 554, AI 1,647).
The most frequent keywords were “large language models” (140), “China” (120) and “Chinese listed companies” (89).
Compared with their share in the twelve months before, the keywords that grew most were “knowledge distillation” (52 papers, +21), “AI governance” (24 papers, +14) and “Mamba” (33 papers, +13).
The institutions with the most papers were Tsinghua University (61), Chinese Academy of Sciences (60) and Hong Kong Polytechnic University (56).
China was involved in 46% of the papers.
The most-cited paper published that month is “Deep Time Series Models: A Comprehensive Survey and Benchmark” (IEEE Transactions on Pattern Analysis and Machine Intelligence), with 56 citations so far.

Papers by category#

Papers published in May 2026
Category	Papers
Finance	605
Accounting	78
Economics	844
Management	473
Operations Research	554
AI	1,647

Top keywords#

Most frequent keywords, May 2026
#	Keyword	Papers
1	large language models	140
2	China	120
3	Chinese listed companies	89
4	financial constraints	66
5	corporate governance	57
6	emerging markets	56
7	information asymmetry	56
8	graph neural networks	53
9	COVID-19 pandemic	52
10	knowledge distillation	52
11	class imbalance	49
12	multimodal fusion	48
13	digital transformation	47
14	explainable AI	46
15	contrastive learning	45

Growing keywords#

Papers in May 2026 beyond the keyword's share in the twelve months before
Keyword	Papers	At earlier share	Extra papers
knowledge distillation	52	31.0	+21.0
AI governance	24	9.7	+14.3
Mamba	33	19.7	+13.3
hallucination mitigation	18	7.1	+10.9
edge deployment	14	4.3	+9.7
transition economies	11	1.7	+9.3
dynamic capabilities	26	17.0	+9.0
carbon pricing	21	12.9	+8.1
OECD countries	13	5.1	+7.9
ESG ratings	19	11.4	+7.6

Top keywords by category#

The five most frequent keywords per category, May 2026
Category	Most frequent keywords
Finance	Chinese listed companies (64); China (54); financial constraints (44); information asymmetry (36); corporate governance (29)
Accounting	corporate governance (13); accounting education (4); audit fees (4); state-owned enterprises (4); sustainability reporting (4)
Economics	China (52); energy transition (21); COVID-19 pandemic (18); developing countries (18); economic growth (17)
Management	digital transformation (22); dynamic capabilities (21); purchase intention (15); consumer behavior (13); green innovation (13)
Operations Research	mixed-integer linear programming (22); multi-objective optimization (17); bi-level optimization (11); demand uncertainty (11); makespan minimization (11)
AI	large language models (120); graph neural networks (52); knowledge distillation (52); multimodal fusion (45); class imbalance (44)

Institutions#

Institutions with the most papers, May 2026
#	Institution	Papers
1	Tsinghua University	61
2	Chinese Academy of Sciences	60
3	Hong Kong Polytechnic University	56
4	Peking University	50
5	Zhejiang University	50
6	Harbin Institute of Technology	49
7	Tongji University	47
8	Beihang University	46
9	National University of Singapore	46
10	Shanghai Jiao Tong University	46

Countries#

Countries, May 2026
#	Country	Papers
1	China	1,920
2	United States	599
3	United Kingdom	312
4	Italy	200
5	Germany	176
6	Australia	166
7	India	161
8	France	159
9	Hong Kong	155
10	South Korea	136

Journals#

Journals with the most papers, May 2026
#	Journal	Papers
1	Expert Systems with Applications	368
2	Knowledge-Based Systems	205
3	Pattern Recognition	199
4	Neural Networks	135
5	International Review of Economics & Finance	122
6	Finance research letters	118
7	Neural Computing and Applications	94
8	IEEE Transactions on Pattern Analysis and Machine Intelligence	89
9	Information Processing & Management	73
10	Computers & Industrial Engineering	64

Equations and models#

Most-mentioned equations and models, May 2026 (titles, abstracts and keywords)
#	Equation or model	Papers
1	Linear and integer programming	23
2	Scaled dot-product attention (Transformer)	18
3	Graph neural network (graph convolution)	13
4	Contrastive loss (InfoNCE)	10
5	Nash equilibrium	6
6	Convolutional neural network (CNN)	5
7	Principal component analysis (PCA)	5
8	Gated recurrent unit (GRU)	4
9	Generative adversarial network (GAN)	4
10	Proximal policy optimization (PPO)	4

Datasets#

Most-mentioned datasets, May 2026 (titles, abstracts and keywords)
#	Dataset	Papers
1	ImageNet	5
2	CIFAR-10 / CIFAR-100	3
3	MS COCO	3
4	YouTube / TikTok	3
5	nuScenes / Waymo Open / Argoverse	2
6	Taobao / Tmall / JD.com	2
7	10-K filings	1
8	Action recognition (Kinetics, UCF101, HMDB51)	1
9	ADE20K	1
10	Airbnb	1

Most-cited papers published in May 2026#

Most-cited papers published in May 2026 (citations counted by OpenAlex, updated daily)
#	Citations	Per month	Title	Journal	Published	Authors
1	56	9.9	Deep Time Series Models: A Comprehensive Survey and Benchmark	IEEE Transactions on Pattern Analysis and Machine Intelligence	2026-05-06	Yuxuan Wang, Haixu Wu, Jiaxiang Dong et al.
2	55	9.4	Multimodal fusion on low-quality data: A comprehensive survey	Information Fusion	2026-05-01	Qingyang Zhang, Yake Wei, Zongbo Han et al.
3	30	5.6	DFBSNet: Dual frequency-domain branch fusion and selection network for hyperspectral anomaly detection	Pattern Recognition	2026-05-16	Yiming Yao, Qing Wang, Dong Zhao et al.
4	24	4.2	Dataset Distillation via a Noise-Unconstrained Generative Model	IEEE Transactions on Pattern Analysis and Machine Intelligence	2026-05-06	Jingxuan Zhang, Lei Dai, Fei Ye et al.
5	21	3.7	Urban cooling effects of China’ s low-carbon city policy: Causal evidence from satellite-derived urban heat islands	Energy Policy	2026-05-07	Haoxiang Zhao, Jiawei Liu, Tingting Bai et al.
6	20	3.8	Study of the co-evolution of heterogeneous policy combinations with AI-driven carbon emission monitoring and dynamic carbon trading mechanisms	Technological Forecasting and Social Change	2026-05-20	Y J Li, Guofu Li, Sarah Yvonne Cooper et al.
7	16	3.0	Multi-source heterogeneous data-driven interpretable model based on transformer and kolmogorov-arnold networks for streamflow prediction	Expert Systems with Applications	2026-05-14	Cheng Ding, Zhaocai Wang, Zuowen Tan et al.
8	16	3.2	Renewable energy consumption forecasting using the Swordfish movement optimization algorithm (SMOA) for feature selection and hyperparameter tuning	Neural Computing and Applications	2026-05-29	Marwa M. Eid
9	15	2.7	EchoSR: Efficient context harnessing for lightweight image super-resolution	Information Fusion	2026-05-08	Hanli Zhao, Binhao Wang, Shihao Zhao et al.
10	15	2.9	Mixture of disentangled experts with missing modalities for robust multimodal sentiment analysis	Information Fusion	2026-05-22	Xiang Li, Xiaoming Zhang, Dezhuang Miao et al.

Cite this page

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

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

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