Academic conferences must submit conference papers, and the conference group of the academic conference decides whether to employ them. After the conference papers are hired, you can choose to attend the conference or not, but the academic conference must be held. Conference papers are usually sent after publication.
Search classification:
1, traditional literature retrieval
The tool often used in traditional literature retrieval is the index card, which records the information of literature on the index card. The index card generally records the title, author, subject words, abstract and other information of the literature.
2. Web search
In the Internet age, people are searching all the time. There are two main ways to search on the Internet: directory browsing and using search engines. In addition to search engines, various databases ordered by libraries are also important ways of information retrieval. Thomas mann, a reference librarian of the Library of Congress, introduced some retrieval methods such as keyword retrieval, citation retrieval and relevance retrieval.