No, first of all, it is certain that the publication date of the paper will definitely be after the meeting date. Papers are usually published within 2 months after the meeting, and a few meetings will be postponed for 4 months or even longer. In short, the whole process is like this:

Paper writing-submission-employment-registration meeting-meeting-paper publishing -EI retrieval.

If you don't know, I suggest you search Baidu: EI Academic Conference Center, which is full of information and study guidance materials about EI conferences.