1. A named entity discriminating system for detecting named entities composed of location names, personal names and organization names in text, comprising: a reading means for reading text from a hypertext database; a single text analyzing means for analyzing the text read by the reading means to detect candidates for the named entity in the text; and a complex text analyzing means for estimating the likelihood of the candidate named entity detected by the single text analyzing means by an analysis with reference to referring link text and/or linked text of the text in which the candidate named entity appears.