---
title: "Research topics — page 4 of 7"
description: "Browse all 380 research topics tracked by Scholar4AI, including profiles outside the latest top rankings. Page 4 of 7: Papers on “human capital” to Papers on “multi-criteria decision making”."
url: https://scholar4ai.com/keywords/directory/page/4
markdown_url: https://scholar4ai.com/keywords/directory/page/4.md
license: CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/)
share_text: "Browse all 380 research topics tracked by Scholar4AI, including profiles outside the latest top rankings. Page 4 of 7: Papers on “human capital” to Papers on “multi-criteria decision making”. (as of 2026-11-05)"
data_url: https://scholar4ai.com/data/rankings.json
updated: 2026-11-05T06:02:37+09:00
window: 2026-10-07 to 2026-11-05
source: OpenAlex (CC0)
---

# Research topics — page 4 of 7

Browse all 380 research topics tracked by Scholar4AI, including profiles outside the latest top rankings.

[Keyword rankings](https://scholar4ai.com/rankings/keywords.md)

Pages: [Previous](https://scholar4ai.com/keywords/directory/page/3.md) · [1](https://scholar4ai.com/keywords/directory.md) · [2](https://scholar4ai.com/keywords/directory/page/2.md) · [3](https://scholar4ai.com/keywords/directory/page/3.md) · [4](https://scholar4ai.com/keywords/directory/page/4.md) · [5](https://scholar4ai.com/keywords/directory/page/5.md) · [6](https://scholar4ai.com/keywords/directory/page/6.md) · [7](https://scholar4ai.com/keywords/directory/page/7.md) · [Next](https://scholar4ai.com/keywords/directory/page/5.md)

*Entries 181–240 of 380, A–Z*

| Profile | Research covered |
|---|---|
| [Papers on “human capital”](https://scholar4ai.com/keywords/human-capital.md) | From 2017 to 2026 (so far), the keyword “human capital” appeared in 2,534 papers in the tracked journals, most of them in economics (1,332), management (612) and finance (262). |
| [Papers on “hyperparameter optimization”](https://scholar4ai.com/keywords/hyperparameter-optimization.md) | From 2017 to 2026 (so far), the keyword “hyperparameter optimization” appeared in 1,370 papers in the tracked journals, most of them in AI (980), statistics (132) and operations… |
| [Papers on “image classification”](https://scholar4ai.com/keywords/image-classification.md) | From 2017 to 2026 (so far), the keyword “image classification” appeared in 1,869 papers in the tracked journals, most of them in AI (1,796), information systems (25) and… |
| [Papers on “income inequality”](https://scholar4ai.com/keywords/income-inequality.md) | The keyword “income inequality” appeared in 15 papers in the last 30 days (2026-10-07 to 2026-11-05), ranking #72 of 18,849 keywords. |
| [Papers on “India”](https://scholar4ai.com/keywords/india.md) | From 2017 to 2026 (so far), the keyword “India” appeared in 2,887 papers in the tracked journals, most of them in economics (1,552), management (363) and health economics and… |
| [Papers on “Industry 4.0”](https://scholar4ai.com/keywords/industry-4-0.md) | From 2017 to 2026 (so far), the keyword “Industry 4.0” appeared in 1,246 papers in the tracked journals, most of them in operations research (473), management (369) and… |
| [Papers on “inflation”](https://scholar4ai.com/keywords/inflation.md) | From 2017 to 2026 (so far), the keyword “inflation” appeared in 1,755 papers in the tracked journals, most of them in economics (1,085), finance (422) and management (125). |
| [Papers on “influencer marketing”](https://scholar4ai.com/keywords/influencer-marketing.md) | Historical profile (data snapshot 2026-11-04). |
| [Papers on “information asymmetry”](https://scholar4ai.com/keywords/information-asymmetry.md) | The keyword “information asymmetry” appeared in 24 papers in the last 30 days (2026-10-07 to 2026-11-05), ranking #25 of 18,849 keywords. |
| [Papers on “innovation”](https://scholar4ai.com/keywords/innovation.md) | The keyword “innovation” appeared in 21 papers in the last 30 days (2026-10-07 to 2026-11-05), ranking #33 of 18,849 keywords. |
| [Papers on “institutional investors”](https://scholar4ai.com/keywords/institutional-investors.md) | From 2017 to 2026 (so far), the keyword “institutional investors” appeared in 1,106 papers in the tracked journals, most of them in finance (806), economics (115) and accounting… |
| [Papers on “institutional ownership”](https://scholar4ai.com/keywords/institutional-ownership.md) | Historical profile (data snapshot 2026-11-04). |
| [Papers on “institutional quality”](https://scholar4ai.com/keywords/institutional-quality.md) | From 2017 to 2026 (so far), the keyword “institutional quality” appeared in 1,882 papers in the tracked journals, most of them in economics (989), finance (453) and management… |
| [Papers on “international trade”](https://scholar4ai.com/keywords/international-trade.md) | From 2017 to 2026 (so far), the keyword “international trade” appeared in 1,057 papers in the tracked journals, most of them in economics (810), finance (93) and management (81). |
| [Papers on “Internet of Things”](https://scholar4ai.com/keywords/internet-of-things.md) | From 2017 to 2026 (so far), the keyword “Internet of Things” appeared in 1,793 papers in the tracked journals, most of them in AI (697), information systems (382) and operations… |
| [Papers on “interpretability”](https://scholar4ai.com/keywords/interpretability.md) | From 2017 to 2026 (so far), the keyword “interpretability” appeared in 2,066 papers in the tracked journals, most of them in AI (1,760), information systems (104) and operations… |
| [Papers on “inventory management”](https://scholar4ai.com/keywords/inventory-management.md) | Historical profile (data snapshot 2026-11-04). |
| [Papers on “inverted U-shaped relationship”](https://scholar4ai.com/keywords/inverted-u-shaped-relationship.md) | From 2017 to 2026 (so far), the keyword “inverted U-shaped relationship” appeared in 1,071 papers in the tracked journals, most of them in management (339), economics (335) and… |
| [Papers on “investor sentiment”](https://scholar4ai.com/keywords/investor-sentiment.md) | From 2017 to 2026 (so far), the keyword “investor sentiment” appeared in 1,301 papers in the tracked journals, most of them in finance (957), economics (207) and management (42). |
| [Papers on “Italy”](https://scholar4ai.com/keywords/italy.md) | Historical profile (data snapshot 2026-11-04). |
| [Papers on “K-means clustering”](https://scholar4ai.com/keywords/k-means-clustering.md) | From 2017 to 2026 (so far), the keyword “K-means clustering” appeared in 1,105 papers in the tracked journals, most of them in AI (683), operations research (172) and statistics… |
| [Papers on “knowledge distillation”](https://scholar4ai.com/keywords/knowledge-distillation.md) | The keyword “knowledge distillation” appeared in 24 papers in the last 30 days (2026-10-07 to 2026-11-05), ranking #25 of 18,849 keywords. |
| [Papers on “knowledge graphs”](https://scholar4ai.com/keywords/knowledge-graphs.md) | From 2017 to 2026 (so far), the keyword “knowledge graphs” appeared in 911 papers in the tracked journals, most of them in AI (714), information systems (124) and higher… |
| [Papers on “knowledge transfer”](https://scholar4ai.com/keywords/knowledge-transfer.md) | From 2017 to 2026 (so far), the keyword “knowledge transfer” appeared in 1,453 papers in the tracked journals, most of them in AI (638), management (417) and economics (120). |
| [Papers on “label noise”](https://scholar4ai.com/keywords/label-noise.md) | Historical profile (data snapshot 2026-11-04). |
| [Papers on “labor productivity”](https://scholar4ai.com/keywords/labor-productivity.md) | From 2017 to 2026 (so far), the keyword “labor productivity” appeared in 942 papers in the tracked journals, most of them in economics (584), management (140) and finance (82). |
| [Papers on “large language models”](https://scholar4ai.com/keywords/large-language-models.md) | The keyword “large language models” appeared in 117 papers in the last 30 days (2026-10-07 to 2026-11-05), ranking #1 of 18,849 keywords. |
| [Papers on “last-mile delivery”](https://scholar4ai.com/keywords/last-mile-delivery.md) | Historical profile (data snapshot 2026-11-04). |
| [Papers on “learning outcomes”](https://scholar4ai.com/keywords/learning-outcomes.md) | From 2017 to 2026 (so far), the keyword “learning outcomes” appeared in 793 papers in the tracked journals, most of them in higher education and research (562), management (76)… |
| [Papers on “lightweight neural networks”](https://scholar4ai.com/keywords/lightweight-neural-networks.md) | From 2017 to 2026 (so far), the keyword “lightweight neural networks” appeared in 890 papers in the tracked journals, most of them in AI (866), information systems (18) and… |
| [Papers on “listed companies”](https://scholar4ai.com/keywords/listed-companies.md) | From 2017 to 2026 (so far), the keyword “listed companies” appeared in 1,855 papers in the tracked journals, most of them in finance (1,083), economics (283) and management (264). |
| [Papers on “low- and middle-income countries”](https://scholar4ai.com/keywords/low-and-middle-income-countries.md) | From 2017 to 2026 (so far), the keyword “low- and middle-income countries” appeared in 1,180 papers in the tracked journals, most of them in health economics and policy (774),… |
| [Papers on “LSTM”](https://scholar4ai.com/keywords/lstm.md) | From 2017 to 2026 (so far), the keyword “LSTM” appeared in 865 papers in the tracked journals, most of them in AI (574), operations research (72) and information systems (61). |
| [Papers on “machine learning”](https://scholar4ai.com/keywords/machine-learning.md) | From 2017 to 2026 (so far), the keyword “machine learning” appeared in 1,691 papers in the tracked journals, most of them in AI (640), operations research (216) and economics… |
| [Papers on “makespan minimization”](https://scholar4ai.com/keywords/makespan-minimization.md) | From 2017 to 2026 (so far), the keyword “makespan minimization” appeared in 1,323 papers in the tracked journals, most of them in operations research (944), AI (359) and… |
| [Papers on “manufacturing companies”](https://scholar4ai.com/keywords/manufacturing-companies.md) | From 2017 to 2026 (so far), the keyword “manufacturing companies” appeared in 1,963 papers in the tracked journals, most of them in management (645), economics (518) and finance… |
| [Papers on “manufacturing industry”](https://scholar4ai.com/keywords/manufacturing-industry.md) | From 2017 to 2026 (so far), the keyword “manufacturing industry” appeared in 1,278 papers in the tracked journals, most of them in economics (679), management (225) and… |
| [Papers on “market competition”](https://scholar4ai.com/keywords/market-competition.md) | From 2017 to 2026 (so far), the keyword “market competition” appeared in 820 papers in the tracked journals, most of them in finance (322), economics (286) and management (83). |
| [Papers on “marketization”](https://scholar4ai.com/keywords/marketization.md) | Historical profile (data snapshot 2026-11-04). |
| [Papers on “Markov decision process”](https://scholar4ai.com/keywords/markov-decision-process.md) | From 2017 to 2026 (so far), the keyword “Markov decision process” appeared in 831 papers in the tracked journals, most of them in operations research (458), AI (318) and… |
| [Papers on “Markov model”](https://scholar4ai.com/keywords/markov-model.md) | Historical profile (data snapshot 2026-11-04). |
| [Papers on “maximum likelihood estimation”](https://scholar4ai.com/keywords/maximum-likelihood-estimation.md) | From 2017 to 2026 (so far), the keyword “maximum likelihood estimation” appeared in 1,116 papers in the tracked journals, most of them in statistics (748), AI (145) and… |
| [Papers on “mediating effect”](https://scholar4ai.com/keywords/mediating-effect.md) | From 2017 to 2026 (so far), the keyword “mediating effect” appeared in 2,480 papers in the tracked journals, most of them in management (875), finance (515) and economics (242). |
| [Papers on “mediation”](https://scholar4ai.com/keywords/mediation.md) | From 2017 to 2026 (so far), the keyword “mediation” appeared in 1,361 papers in the tracked journals, most of them in management (376), health economics and policy (278) and… |
| [Papers on “medical image segmentation”](https://scholar4ai.com/keywords/medical-image-segmentation.md) | From 2017 to 2026 (so far), the keyword “medical image segmentation” appeared in 881 papers in the tracked journals, most of them in AI (870), statistics (5) and operations… |
| [Papers on “mental health”](https://scholar4ai.com/keywords/mental-health.md) | From 2017 to 2026 (so far), the keyword “mental health” appeared in 1,749 papers in the tracked journals, most of them in health economics and policy (1,048), economics (323) and… |
| [Papers on “mergers and acquisitions”](https://scholar4ai.com/keywords/mergers-and-acquisitions.md) | Historical profile (data snapshot 2026-11-04). |
| [Papers on “meta-learning”](https://scholar4ai.com/keywords/meta-learning.md) | From 2017 to 2026 (so far), the keyword “meta-learning” appeared in 757 papers in the tracked journals, most of them in AI (679), operations research (30) and information systems… |
| [Papers on “metaheuristic optimization”](https://scholar4ai.com/keywords/metaheuristic-optimization.md) | From 2017 to 2026 (so far), the keyword “metaheuristic optimization” appeared in 2,888 papers in the tracked journals, most of them in AI (1,886), operations research (898) and… |
| [Papers on “metaverse”](https://scholar4ai.com/keywords/metaverse.md) | From 2017 to 2026 (so far), the keyword “metaverse” appeared in 492 papers in the tracked journals, most of them in management (142), information systems (134) and higher… |
| [Papers on “missing data”](https://scholar4ai.com/keywords/missing-data.md) | From 2017 to 2026 (so far), the keyword “missing data” appeared in 1,193 papers in the tracked journals, most of them in AI (570), statistics (396) and operations research (76). |
| [Papers on “mixed integer programming”](https://scholar4ai.com/keywords/mixed-integer-programming.md) | From 2017 to 2026 (so far), the keyword “mixed integer programming” appeared in 1,425 papers in the tracked journals, most of them in operations research (1,220), AI (150) and… |
| [Papers on “mixed-integer linear programming”](https://scholar4ai.com/keywords/mixed-integer-linear-programming.md) | The keyword “mixed-integer linear programming” appeared in 21 papers in the last 30 days (2026-10-07 to 2026-11-05), ranking #33 of 18,849 keywords. |
| [Papers on “mode choice”](https://scholar4ai.com/keywords/mode-choice.md) | Historical profile (data snapshot 2026-11-04). |
| [Papers on “model interpretability”](https://scholar4ai.com/keywords/model-interpretability.md) | From 2017 to 2026 (so far), the keyword “model interpretability” appeared in 1,140 papers in the tracked journals, most of them in AI (757), operations research (98) and… |
| [Papers on “model selection”](https://scholar4ai.com/keywords/model-selection.md) | From 2017 to 2026 (so far), the keyword “model selection” appeared in 841 papers in the tracked journals, most of them in statistics (388), AI (221) and economics (129). |
| [Papers on “moderating effect”](https://scholar4ai.com/keywords/moderating-effect.md) | The keyword “moderating effect” appeared in 21 papers in the last 30 days (2026-10-07 to 2026-11-05), ranking #33 of 18,849 keywords. |
| [Papers on “monetary policy”](https://scholar4ai.com/keywords/monetary-policy.md) | The keyword “monetary policy” appeared in 19 papers in the last 30 days (2026-10-07 to 2026-11-05), ranking #52 of 18,849 keywords. |
| [Papers on “multi-agent systems”](https://scholar4ai.com/keywords/multi-agent-systems.md) | From 2017 to 2026 (so far), the keyword “multi-agent systems” appeared in 1,480 papers in the tracked journals, most of them in AI (1,270), operations research (116) and… |
| [Papers on “multi-criteria decision making”](https://scholar4ai.com/keywords/multi-criteria-decision-making.md) | From 2017 to 2026 (so far), the keyword “multi-criteria decision making” appeared in 2,841 papers in the tracked journals, most of them in operations research (1,108), AI (1,041)… |

Pages: [Previous](https://scholar4ai.com/keywords/directory/page/3.md) · [1](https://scholar4ai.com/keywords/directory.md) · [2](https://scholar4ai.com/keywords/directory/page/2.md) · [3](https://scholar4ai.com/keywords/directory/page/3.md) · [4](https://scholar4ai.com/keywords/directory/page/4.md) · [5](https://scholar4ai.com/keywords/directory/page/5.md) · [6](https://scholar4ai.com/keywords/directory/page/6.md) · [7](https://scholar4ai.com/keywords/directory/page/7.md) · [Next](https://scholar4ai.com/keywords/directory/page/5.md)

## Cite this page

Scholar4AI. (2026). Research topics — page 4 of 7. Journal and Conference Research Rankings. Retrieved November 5, 2026, from https://scholar4ai.com/keywords/directory/page/4

```bibtex
@misc{scholar4ai-keywords-directory-page-4,
  author = {{Scholar4AI}},
  title = {Research topics — page 4 of 7},
  year = {2026},
  howpublished = {\url{https://scholar4ai.com/keywords/directory/page/4}},
  urldate = {2026-11-05},
  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/).