Q: Is it possible to submit a paper to a journal after it has been published in the proceedings of a conference?

Detailed Question -

My paper has been accepted to be presented in a confernence. But, I'm afraid I'll lose it and won't be able to submit it to a journal after it's published in the conference proceeding

1 Answer to this question
Answer:

Thank you for your question. Conference papers are often preliminary analyses, and it is acceptable to develop them into full-length manuscripts for publication in journals, as long as at least 30% new material is included.

Please refer to this link https://www.editage.com/insights/what-are-the-basic-rules-for-submitting-the-same-research-to-a-conference-and-a-journal which explains the basics of submitting the same research to a conference and a journal.

All the best!