What are the most common topics in recent AI research?

In the last 30 days, the most frequent OpenAlex keywords in papers from the tracked AI journals were “large language models” (70), “graph neural networks” (38), “multimodal fusion” (29), “contrastive learning” (27) and “explainable AI” (24).

Which universities and institutions publish the most AI research?

In the last 30 days, the institutions with the most papers in the tracked AI journals were Chinese Academy of Sciences (30), Tsinghua University (25), University of Electronic Science and Technology of China (22), National University of Defense Technology (22) and Beijing Institute of Technology (21).

Which countries publish the most AI research?

Counting papers with at least one author at an institution in the country, the leaders over the last 30 days were China (712), United States (55), India (50), United Kingdom (43) and Hong Kong (34).

Which equations and models do recent AI research papers use most?

Counting papers that mention them by name in the title, abstract, keywords or full text, the most frequent in the tracked AI journals over the last 30 days were Graph neural network (graph convolution) (73), Scaled dot-product attention (Transformer) (55), Contrastive loss (InfoNCE) (39), Convolutional neural network (CNN) (30) and Logistic regression (logit) (25).

What data do recent AI research papers use?

Counting papers that mention a dataset by name, the kinds of data used most over the last 30 days were Image classification benchmarks (8), Object detection and segmentation benchmarks (3), Social media data (3), China household and social surveys (2) and Credit scoring and lending data (2); the most-mentioned datasets were MNIST / Fashion-MNIST (5), CIFAR-10 / CIFAR-100 (4), ImageNet (3), KITTI (3) and Facebook (2).

How current is this data?

It is rebuilt from OpenAlex 4 times a day (00:00, 06:00, 12:00, 18:00, UTC+09:00); the last update was 2026-10-26 11:39 UTC+09:00. OpenAlex usually indexes new papers within a few days of publication.

AI research rankings

Papers in the 24 tracked AI journals, window 2026-09-27 – 2026-10-26 (30 days). Keywords, institutions, web domains and countries are ranked by paper count. Also as Markdown.

1,124Papers (30 days)

80Papers (last 7 days)

24Journals

1,176Institutions

74Countries

1,103Web domains

Key findings

In the last 30 days (2026-09-27 to 2026-10-26), 1,124 papers were published in the 24 tracked AI journals (as indexed by OpenAlex).
The most frequent keywords were “large language models” (70), “graph neural networks” (38) and “multimodal fusion” (29).
The institutions with the most papers were Chinese Academy of Sciences (30), Tsinghua University (25) and University of Electronic Science and Technology of China (22).
China was involved in 63% of the papers (712), followed by United States (55) and India (50).
Among institution web domains, .edu.cn appeared on 61% of the papers.
The most-mentioned equations and models were Graph neural network (graph convolution) (73), Scaled dot-product attention (Transformer) (55) and Contrastive loss (InfoNCE) (39).
The most-mentioned kinds of data were Image classification benchmarks (8), Object detection and segmentation benchmarks (3) and Social media data (3); the most-mentioned datasets were MNIST / Fashion-MNIST (5), CIFAR-10 / CIFAR-100 (4) and ImageNet (3).

Papers per day

2026-09-272026-10-26

Show the numbers

Papers per publication date
Date	Papers
2026-09-27	15
2026-09-28	36
2026-09-29	42
2026-09-30	56
2026-10-01	366
2026-10-02	14
2026-10-03	35
2026-10-04	4
2026-10-05	21
2026-10-06	34
2026-10-07	40
2026-10-08	34
2026-10-09	44
2026-10-10	25
2026-10-11	13
2026-10-12	29
2026-10-13	36
2026-10-14	50
2026-10-15	41
2026-10-16	24
2026-10-17	46
2026-10-18	10
2026-10-19	29
2026-10-20	22
2026-10-21	21
2026-10-22	13
2026-10-23	20
2026-10-24	4
2026-10-25	0
2026-10-26	0

Growing over the year Trends →

Papers in Jul 2026–Sep 2026 beyond what the keyword's share in Oct 2025–Jun 2026 predicts
Keyword	Papers Jul 2026–Sep 2026	vs. earlier share
AI governance	41	+18
mixture of experts	47	+17
uncertainty estimation	39	+16
foundation models	27	+11
spatial transcriptomics	14	+11

Top research keywords

Top 20 · 2026-09-27 – 2026-10-26 (30 days)
#	Keyword	Papers	Last 7 days
1	large language models	70	4
2	graph neural networks	38	1
3	multimodal fusion	29	0
4	contrastive learning	27	0
5	explainable AI	24	2
6	knowledge distillation	23	1
7	federated learning	21	4
8	class imbalance	19	1
8	vision-language models	19	0
10	diffusion models	18	1
10	feature selection	18	1
10	transformer models	18	2
13	interpretability	15	1
13	reinforcement learning	15	0
15	attention mechanism	14	2
15	deep learning	14	2
15	domain adaptation	14	1
15	retrieval-augmented generation	14	1
19	convolutional neural networks	13	1
20	computational efficiency	12	1

Top universities and research institutions

Top 20 · 2026-09-27 – 2026-10-26 (30 days)
#	Institution	Papers	Last 7 days
1	Chinese Academy of Sciences	30	5
2	Tsinghua University	25	4
3	University of Electronic Science and Technology of China	22	1
3	National University of Defense Technology	22	0
5	Beijing Institute of Technology	21	1
5	Wuhan University	21	0
7	University of Chinese Academy of Sciences	20	3
8	Harbin Institute of Technology	19	2
9	Beijing Jiaotong University	17	1
10	Southeast University	16	1
10	Northeastern University	16	2
12	Xidian University	15	0
13	Sun Yat-sen University	13	1
13	Shanghai Jiao Tong University	13	3
13	Xi'an Jiaotong University	13	1
16	Central South University	12	0
16	Hong Kong Polytechnic University	12	0
16	Anhui University	12	0
16	Northwestern Polytechnical University	12	0
16	Fudan University	12	2

Top institution web domains

Top 20 · 2026-09-27 – 2026-10-26 (30 days)
#	Web domain	Papers	Last 7 days
1	cas.cn	37	5
2	tsinghua.edu.cn	26	4
3	nudt.edu.cn	22	0
3	uestc.edu.cn	22	1
3	whu.edu.cn	22	0
6	bit.edu.cn	21	1
7	ucas.ac.cn	20	3
8	hit.edu.cn	19	2
9	njtu.edu.cn	17	1
9	seu.edu.cn	17	1
11	neu.edu.cn	16	2
12	xidian.edu.cn	15	0
13	sjtu.edu.cn	13	3
13	sysu.edu.cn	13	1
13	xjtu.edu.cn	13	1
16	ahu.edu.cn	12	0
16	csu.edu.cn	12	0
16	fudan.edu.cn	12	2
16	nwpu.edu.cn	12	0
16	polyu.edu.hk	12	0

Top countries

Top 20 · 2026-09-27 – 2026-10-26 (30 days)
#	Country	Papers	Last 7 days
1	China (CN)	712	49
2	United States (US)	55	7
3	India (IN)	50	2
4	United Kingdom (GB)	43	4
5	Hong Kong (HK)	34	3
6	Australia (AU)	33	3
7	South Korea (KR)	29	1
8	Singapore (SG)	24	3
9	Turkey (TR)	22	0
10	United Arab Emirates (AE)	21	4
11	Italy (IT)	19	0
12	Canada (CA)	15	2
12	Iran (IR)	15	0
14	Spain (ES)	14	0
14	Malaysia (MY)	14	0
14	Saudi Arabia (SA)	14	1
17	Germany (DE)	13	0
17	Japan (JP)	13	2
19	Bangladesh (BD)	11	1
19	Egypt (EG)	11	1

Research fields

Top 19 · 2026-09-27 – 2026-10-26 (30 days)
#	Field	Papers	Last 7 days
1	Computer Science	690	43
2	Engineering	184	12
3	Social Sciences	34	1
4	Medicine	31	3
5	Decision Sciences	27	6
6	Physics and Astronomy	23	4
7	Neuroscience	19	1
8	Psychology	18	1
9	Biochemistry, Genetics and Molecular Biology	17	1
10	Business, Management and Accounting	15	2
11	Agricultural and Biological Sciences	8	0
12	Mathematics	7	1
13	Materials Science	5	1
14	Arts and Humanities	3	0
14	Environmental Science	3	0
14	Health Professions	3	0
17	Economics, Econometrics and Finance	2	0
18	Dentistry	1	0
18	Earth and Planetary Sciences	1	0

Papers per journal

Top 20 · 2026-09-27 – 2026-10-26 (30 days)
#	Journal	Papers	Last 7 days
1	Expert Systems with Applications	249	14
2	Pattern Recognition	188	9
3	Knowledge-Based Systems	110	6
4	Neural Computing and Applications	90	0
5	Neural Networks	89	6
6	Information Fusion	71	1
7	Applied Intelligence	64	8
8	Information Processing & Management	54	2
9	International Journal of Computer Vision	39	10
10	Artificial Intelligence Review	28	9
10	Knowledge and Information Systems	28	4
12	Machine Learning	20	1
13	Journal Of Big Data	18	1
14	Nature Machine Intelligence	17	5
15	AI & Society	11	0
15	Artificial Intelligence	11	1
17	Cognitive Computation	10	3
18	Data Mining and Knowledge Discovery	8	0
19	IEEE Transactions on Neural Networks and Learning Systems	5	0
20	IEEE Transactions on Evolutionary Computation	4	0

Most-used equations and models

Top 10 · 2026-09-27 – 2026-10-26 (30 days)
#	Equation or model	Formula	Papers
1	Graph neural network (graph convolution)	$H^{(l+1)} = \sigma\big(\tilde D^{-1/2} \tilde A\, \tilde D^{-1/2} H^{(l)} W^{(l)}\big)$	73
2	Scaled dot-product attention (Transformer)	$\mathrm{Attention}(Q, K, V) = \mathrm{softmax}\Big(\frac{Q K^\top}{\sqrt{d_k}}\Big) V$	55
3	Contrastive loss (InfoNCE)	$\mathcal{L} = -\log \frac{\exp(\mathrm{sim}(z_i, z_j)/\tau)}{\sum_{k \ne i} \exp(\mathrm{sim}(z_i, z_k)/\tau)}$	39
4	Convolutional neural network (CNN)	$(I * K)(i, j) = \sum_{m}\sum_{n} I(i + m,\, j + n)\, K(m, n)$	30
5	Logistic regression (logit)	$\Pr(y = 1 \mid x) = \frac{1}{1 + e^{-x^\top\beta}}$	25
6	Long short-term memory (LSTM)	$c_t = f_t \odot c_{t-1} + i_t \odot \tilde c_t,\quad h_t = o_t \odot \tanh(c_t)$	15
7	Gradient boosting (XGBoost)	$\mathcal{L} = \sum_i l(y_i, \hat y_i) + \sum_k \Omega(f_k),\quad \Omega(f) = \gamma T + \tfrac{1}{2}\lambda \lVert w \rVert^2$	10
7	Shapley value (SHAP)	$\phi_i(v) = \sum_{S \subseteq N \setminus \{i\}} \frac{\lvert S \rvert!\,(n - \lvert S \rvert - 1)!}{n!}\big[v(S \cup \{i\}) - v(S)\big]$	10
9	Random forest	$\hat f(x) = \frac{1}{B}\sum_{b=1}^{B} T_b(x)$	9
9	Support vector machine (SVM)	$\min_{w, b, \xi}\ \tfrac{1}{2}\lVert w \rVert^2 + C \sum_i \xi_i\ \ \text{s.t.}\ \ y_i (w^\top x_i + b) \ge 1 - \xi_i,\ \xi_i \ge 0$	9

Most-used data

Top 10 · 2026-09-27 – 2026-10-26 (30 days)
#	Data category	Most-mentioned datasets	Papers
1	Image classification benchmarks	MNIST / Fashion-MNIST (5), CIFAR-10 / CIFAR-100 (4), ImageNet (3)	8
2	Object detection and segmentation benchmarks	KITTI (3), nuScenes / Waymo Open / Argoverse (1)	3
2	Social media data	Twitter / X (2), Facebook (2), Reddit (1)	3
4	China household and social surveys	China Household Finance Survey (CHFS) (1), China Labor-force Dynamics Survey (CLDS) (1)	2
4	Credit scoring and lending data	German Credit (UCI Statlog) (2)	2
4	Face, person and video benchmarks	Face recognition (LFW, CelebA, VGGFace2) (1), Action recognition (Kinetics, UCF101, HMDB51) (1)	2
4	Medical and clinical datasets	MIMIC (1), ISIC skin lesion archive (1)	2
4	Mutual fund and hedge fund data	Lipper / TASS (2)	2
4	Online reviews, e-commerce and recommender data	Amazon reviews (1), Taobao / Tmall / JD.com (1)	2
4	Reinforcement learning environments	D4RL (1), SUMO traffic simulator (1)	2

Latest AI papers

Latest AI papers
Date	Title	Journal	Authors	Affiliations
2026-10-24	PF-Mamba-UNet: An Anatomical-Prior-Guided Medical Image Segmentation Network Based on Mamba and Spatial-Channel Collaborative Attention Fusion	Cognitive Computation	Leyi Xiao, Kangshun Liao, Baoxian Zhou et al.	Hainan University
2026-10-24	A multi-stage multi-level attention-based feature learning framework for multi-endpoint survival prediction in head and neck cancer	Applied Intelligence	Xiaoying Pan, Xiaoying Pan, Xingzhao Pan et al.	Xi’an University of Posts and Telecommunications; University of California, Los Angeles
2026-10-24	Instance-adaptive coevolutionary learning of constructive heuristics for multi-objective stochastic resource allocation with preferences	Expert Systems with Applications	Jingyu Zhang, Bin Xin, Bo Liu et al.	Beijing Institute of Technology; Chinese Academy of Sciences; Academy of Mathematics and Systems Science
2026-10-24	A priority-aware dual-channel feature fusion method for urban rail service traffic classification	Applied Intelligence	Xinpeng Liu, Junhui Zhao, Zhengyuan Wu et al.	Beijing Jiaotong University
2026-10-23	Neuro-native paradigms of brain foundation models: evolution, taxonomy, and perspectives	Artificial Intelligence Review	Zepeng Li, Molei Zhang, Tianyi Li et al.	Lanzhou University
2026-10-23	Multimodal continual federated learning for human activity recognition: Trends and challenges	Applied Intelligence	André L. S. Conde, Rodolfo I. Meneguette, Robson E. De Grande et al.	Universidade Estadual Paulista (Unesp); Institute of Mathematics and Computer Science; Brock University
2026-10-23	Cross3DReg: A Real-world Cross-source Point Cloud Registration Benchmark	International Journal of Computer Vision	Zongyi Xu, Z. Lang, Yilong Chen et al.	Chongqing University of Posts and Telecommunications; Alibaba Group (China); Shanghai Jiao Tong University; …
2026-10-23	Collaborative enhancement of global and disentangled representations for sequential recommendation	Knowledge and Information Systems	Li Liu, Yiliang Lai, Chen Lin	Xiamen University; Sanming University; Assumption University; …
2026-10-23	On the robustness verification of binary neural networks	Artificial Intelligence Review	Srećko Ðurašinović	Nanyang Technological University; CNRS@CREATE Ltd (Singapore)
2026-10-23	A unified framework for large-foundation-model-based multi-phrasing synthetic VQA data generation and downstream VQA training	Information Processing & Management	Zhiyue Liu, Jian Qin, Wenkai Zhou et al.	Guangxi University; Sun Yat-sen University
2026-10-23	Towards minute-level pedestrian trajectory prediction in crowded traffic scenarios	Pattern Recognition	Yonghao Dong, Sanping Zhou, Gang Hua et al.	Xi'an Jiaotong University; Amazon (United States)
2026-10-23	Retrieval-augmented generation in biomedicine: a survey of technologies, datasets, and clinical applications	Artificial Intelligence Review	Jiawei He, Boya Zhang, Hossein Rouhizadeh et al.	University of Geneva; Hunan City University; Henan University; …
2026-10-23	Designing sustainable urban intelligence: a green AI framework and survey	Artificial Intelligence Review	Elda Cina, Zakwan AlArnaout, Ersin Elbasi Α et al.	American University of the Middle East
2026-10-23	Synergizing Disentangled Representation and Split Federated Learning to Break Centralized Bottlenecks in Gaze Estimation	International Journal of Computer Vision	Yunlong Wang, Zhengquan Luo, Kunbo Zhang et al.	Nanyang Technological University; Chinese Academy of Sciences; Institute of Automation; …
2026-10-23	Efficient equivariant framework for universal charge density prediction	Nature Machine Intelligence	Xiwen Li, Zaizhou Xin, Hongyu Yu et al.	Fudan University; State Key Laboratory of Surface Physics

Questions this page answers

What are the most common topics in recent AI research?: In the last 30 days, the most frequent OpenAlex keywords in papers from the tracked AI journals were “large language models” (70), “graph neural networks” (38), “multimodal fusion” (29), “contrastive learning” (27) and “explainable AI” (24).
Which universities and institutions publish the most AI research?: In the last 30 days, the institutions with the most papers in the tracked AI journals were Chinese Academy of Sciences (30), Tsinghua University (25), University of Electronic Science and Technology of China (22), National University of Defense Technology (22) and Beijing Institute of Technology (21).
Which countries publish the most AI research?: Counting papers with at least one author at an institution in the country, the leaders over the last 30 days were China (712), United States (55), India (50), United Kingdom (43) and Hong Kong (34).
Which equations and models do recent AI research papers use most?: Counting papers that mention them by name in the title, abstract, keywords or full text, the most frequent in the tracked AI journals over the last 30 days were Graph neural network (graph convolution) (73), Scaled dot-product attention (Transformer) (55), Contrastive loss (InfoNCE) (39), Convolutional neural network (CNN) (30) and Logistic regression (logit) (25).
What data do recent AI research papers use?: Counting papers that mention a dataset by name, the kinds of data used most over the last 30 days were Image classification benchmarks (8), Object detection and segmentation benchmarks (3), Social media data (3), China household and social surveys (2) and Credit scoring and lending data (2); the most-mentioned datasets were MNIST / Fashion-MNIST (5), CIFAR-10 / CIFAR-100 (4), ImageNet (3), KITTI (3) and Facebook (2).
How current is this data?: It is rebuilt from OpenAlex 4 times a day (00:00, 06:00, 12:00, 18:00, UTC+09:00); the last update was 2026-10-26 11:39 UTC+09:00. OpenAlex usually indexes new papers within a few days of publication.