At present, the main methods of computer information retrieval are ().

Computer information retrieval has become an important means to retrieve literature information. There are several methods for computer information retrieval: ① Boolean logic retrieval is a mature and popular retrieval technology, which is often used in modern information retrieval; (2) phrase retrieval, that is, phrases are enclosed in double quotation marks (""), and phrases with the same form as those in quotation marks can be retrieved; ③ Intercept retrieval is to keep the same part of the retrieval symbol and replace the variable part with the corresponding truncated symbol.