This website uses cookies to ensure you get the best experience. Learn more about DOAJ’s privacy policy.

Hide this message

The Directory of Open Access Journals

Open
Global
Trusted

Main actions

Support
Apply
Search

Menu

Secondary actions

Search
- Journals
- Articles
Documentation
- API
- OAI-PMH
- Widgets
- Public data dump
- OpenURL
- XML
- Metadata help
- Preservation
About
Support
Apply
Login

Login

Quick search

Close×

Journals Articles

Search by keywords: In the field:

Updated recently

Complex & Intelligent Systems

2199-4536 (Print) / 2198-6053 (Online)

Website
ISSN Portal

About
Articles

Loading 1348 articles

Added 19 April 2022 • Updated 21 August 2025

WeChat QR code

Search

Journals
Articles

Documentation

API
OAI-PMH
Widgets
Public data dump
OpenURL
XML
Metadata help
Preservation

About

About DOAJ
DOAJ at 20
DOAJ team
Ambassadors
Foundation and Advisory Boards
Editorial Policy Advisory Group
Volunteers
News

Support

Institutions and libraries
Publishers
Institutional and library supporters
Funders

Apply

Application form
Guide to applying
Transparency & best practice
Publisher information
Licensing & copyright

Stay up to date

Bluesky
Facebook
Github
Instagram
Linkedin
Mastodon
WeChat
Atom feed

Legal & admin

The Directory of Open Access Journals

Open
Global
Trusted

© DOAJ 2025 default by all rights reserved unless otherwise specified.

Accessibility
Privacy
Contact
T&Cs
Code of Conduct
Media

IS4OA
Cottage Labs

Content on this site is licensed under a Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

Copyrights and related rights for article metadata waived via CC0 1.0 Universal (CC0) Public Domain Dedication.

Photos used throughout the site by David Jorre, Jean-Philippe Delberghe, JJ Ying, Luca Bravo, Brandi Redd, & Christian Perner from Unsplash.