Q:

how to find whether this paper is already available or not, if authors just changed the Paper title & author name?

I am the editor. I received a paper from some author. I need to check whether that same paper is already published in some other journal or not. For example some authors downloaded a paper from some other journal, they just change the paper title, and author name and they send that paper to us. So in this case how can I find whether this paper is already available or not?

A:

There are several software available for checking plagiarism, which would also fit the problem you are investigating. The journal (actually the publisher) for which I am editor use iThenticate. I am not in a position to compare the numerous software and services around, some free, some commercial. However, a simple check that can easily be made is to to a Google search on bits of text. I have personally used this to check on similarities between manuscripts and earlier published articles to check on the degree of overlap and it works fine. It will give you a first indication at which stage you can decide on continuing with a more advanced analysis. 
See also answers in What is the easiest way to check for plagiarism in student essay papers?

