The full-text database is mainly composed of periodical papers, conference papers, government publications such as government decrees, research reports, legal provisions and cases, and business information. Full-text database eliminates document indexing, description and other processing links, and reduces human factors in data organization, so the data update speed is fast and the retrieval result accuracy is higher; At the same time, because it provides the full text directly, it saves the trouble of finding the original text, so it is deeply loved by users.
Full-text database has a powerful retrieval function, which can provide rich retrieval points, allow users to perform single retrieval or multiple retrieval from the name, place name, year and keywords of the information carrier, and even search any field in the text.
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The role of full-text database
1. Search function: Full-text database has a powerful search function, which can provide rich search points and allow users to perform single search or multiple searches from the angles of information carrier name, place name, year and keywords. , you can even retrieve any field in the text, and even perform character retrieval, such as Boolean operation.
2. Information analysis function: The full-text database has a certain information analysis function, which can reprocess the retrieval results, cluster and statistically sort the names, places and keywords.
3. Information statistics function: the full-text database also has a certain information measurement function, which can make frequency statistics and sort the names, places and keywords in the text, such as generating search big data according to the searched keywords to provide a basis for decision-making.
Baidu Encyclopedia-Full-text Database