Title abstract refers to the title of the document, periodical documents should be added with author and source, volume period, and conference documents should be added with conference name and author unit.

Bibliography refers to the entries that describe the external characteristics of literature (title, author, source, etc.). In the retrieval of publications, the articles in books, newspapers and other publications are sorted according to a certain sorting method for people to find the source of articles.

The descriptive items of the title usually include: the title of the article, the author (or including his unit) and the source, and there is no abstract. Arrange a series of titles in an orderly way, that is, form a "table of contents" or a "document bulletin"

Extended data:

1, narrow retrieval refers to the process of searching for and obtaining specific related documents from a large number of organized related documents according to certain methods. The literature collection here is not the literature itself, but the information or clues about the literature.

2. Generalized retrieval includes two processes: information storage and retrieval. Information storage is to collect a large number of disorderly information, and according to the appearance characteristics and content characteristics of information sources, through sorting, classification, concentration, indexing and other processing,

Make it systematic and orderly, and build a database or retrieval system with retrieval function according to certain technical requirements for people to retrieve and use. And retrieval refers to the use of compiled retrieval tools or retrieval systems to find out specific information that meets the requirements of users.

3. Some retrieval systems provide retrieval methods by title, such as title catalogue and periodical catalogue.