Copyright, Republishing, and Quotation

1. Prohibition of Unauthorized Use

Except where permitted by applicable law, the following acts are prohibited with respect to the Site Content without the prior permission of the operator of the Site or the rights holders:

• Reproduction, republication, distribution, sale, or lending
• Public transmission, making transmittable, or uploading
• Alteration, adaptation, summarization, editing, or rearrangement
• Republishing the full text of an article or substantially all of it
• Unauthorized use of photographs, images, charts, videos, or audio
• Republishing or reposting with only the headline changed
• Database creation or archiving
• Commercial use

2. Quotation

The Site Content may be used within the scope of lawful quotation as permitted under copyright law. When making a quotation, the following conditions must be satisfied:

• The quoted portion must be subordinate, and the user's own description must be primary
• There must be a necessity for the quotation
• The quoted portion and the other portions must be clearly distinguishable
• The source must be clearly indicated

3. Use of Photographs, Images, Charts, Videos, and Other Materials

Photographs, images, charts, videos, audio, and other materials published on the Site may be subject to stricter rights clearance requirements than article text. Please do not use such materials without authorization.

4. Prohibition of AI Training, Automated Acquisition, and Similar Acts

With respect to the Site Content, the following acts are prohibited without the prior permission of the operator of the Site or the rights holders:

• Use for the training or additional training of AI models, generative AI, machine learning models, or similar technologies
• Use for vectorization, embedding, RAG, or other similar purposes
• Text and data mining
• Automated acquisition by scraping, crawling, robots, or similar means
• Creation of datasets or training corpora

5. Links

Links to the Site are, in principle, freely permitted. However, links falling under any of the following categories are not permitted:

• Links from sites containing illegal content or content contrary to public order and morals
• Links that may harm the credibility of the Site or any third party
• Links displayed within frames or by other methods that make it unclear that the content belongs to the Site
• Links that may cause confusion that there is a partnership or other relationship with the Site

6. Cases Where Permission Is Required

Please contact the operator of the Site in advance in the following cases:

• If you wish to republish articles, photographs, charts, videos, or similar materials
• If you wish to use them in printed materials, books, magazines, teaching materials, or similar publications
• If you wish to publish them on websites, applications, social media advertisements, or similar media
• If you wish to use them for commercial purposes
• If you wish to publish translated or re-edited versions

7. Reporting Rights Infringement

If you believe that the Site Content is being used without authorization, please contact us through the inquiry form.

8. Changes to This Page

The operator of the Site may revise the contents of this page as necessary. Any revised content shall apply from the time it is posted on the Site.

9. Contact