The paper makes a comparative study of Google Scholar,Microsoft Academic Search,Baidu Academic Search and 360 Academic Search,analyzes their similarities and differences in the ways to return data of the above four search engines from the aspects of document sources,search functions, search results and personalized services, and finally discusses the strengths and weaknesses of them in information capacity, search function, citation analysis, humancomputer interaction,user location and user experience evaluation and so on,aiming at prov...
