全文检索 Full text search
（重定向自Free text searching）
从文本或数据库中，不限定数据字段，自由地萃取出消息的技术。
运行全文检索任务的程序，一般称作搜索引擎，它将用户随意输入的文本，试图从数据库中，找到符合的内容。
Free text searching
中文百科
英语百科
Full text search 全文检索
（重定向自Free text searching）
![This diagram represents a low-precision, low-recall search as described in the text.](/Images/godic/202501/14/Full-text-search-results1815.png")
In text retrieval, full text search refers to techniques for searching a single computer-stored document or a collection in a full text database. Full-text search is distinguished from searches based on metadata or on parts of the original texts represented in databases (such as titles, abstracts, selected sections, or bibliographical references).
- spurious frequency
- spurious frequency selectivity
- Spurious fruit
- spurious glioma
- spurious grip
- spurious halftone variation
- Spurious headless monster
- spurious hermaphrodism
- spurious hermaphroditism
- spurious high level trip
- spurious image
- spurious impedance
- spurious impulse
- spurious indication
- spurious inductance
- spurious infection
- spurious infections
- spurious interlocking of meiotic chromosomes
- spurious interpretation
- Spurious Interrupt
- spurious ion
- spurious jugular foramina
- Spurious keloid
- spurious leg
- spurious level