초록

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Abstract ▼ AI-Helper

The development of information retrieval between 1950s and 1990s is described chronologically. For each decade, the following information retrieval systems are examined : post-coordinate and KWIC indexing methods for the 1950s ; off-line and experimental on-line systems for the 1960s ; on-line and ...

The development of information retrieval between 1950s and 1990s is described chronologically. For each decade, the following information retrieval systems are examined : post-coordinate and KWIC indexing methods for the 1950s ; off-line and experimental on-line systems for the 1960s ; on-line and full-text retrieval systems for the 1970s ; full-text databases, on-line interfaces, and overseas and domestic on-line databases for the 1980s ; and finally for the 1990s, CD-ROM, multimedia, hypertext, and Internet. The prospects for the future are also discussed.