Among them, the commonly used retrieval fields are:
1, keyword
Keywords are representative words used to describe search content. Words, characters, letters, numbers and formulas can all be used as search keywords. The results of retrieval include all forms of retrieval contents including keywords.
2. Title
After you enter what you want to query in the search box, the search content in the search results is the title of the web page. ?
3. Summary
After you enter the content you want to query in the search box, the content in the search results only appears in the article summary.
4. Author (author)
Search the author's name to find the content related to the author.
Extended data:
When using field retrieval, the commonly used retrieval technologies are:
1, Boolean logic retrieval
Boolean logic retrieval is to connect all the search words together with Boolean operators to form a logical retrieval formula for retrieval. In specific retrieval, Boolean logic retrieval is mainly realized by using logical AND, logical OR and logical NOT.
2. Intercept retrieval
Interception retrieval refers to the truncation of search words in appropriate positions, and then processing with truncation symbols. Using this retrieval technology can not only reduce the number of characters, but also effectively prevent missing detection and improve the recall rate.
3. Location retrieval
Location retrieval, also known as full-text retrieval and proximity retrieval, is a technology that directly uses natural language for retrieval. When using this retrieval technology, the logical relationship between words needs to be combined with position operators, and the relative positions between retrieval words will also be limited.
Baidu encyclopedia-domain retrieval