Information Retrieval: New Directions: by Old Solutions C. J. van Rijsbergen I would l i k e to s t a r t with a quote: 'And how w i l l you enquire, Socrates, i n t o that which you do not k n o w ? . . . i f you f i n d what you want, how w i l l you ever know that t h i s is the thing which you did not know? . . . a man cannot enquire e i t h e r about that which he knows, or about that which he does not know; f o r i f he knows, he has no need to enquire; and i f not, he cannot; f o r he does not know the very subject about which he is to enquire.' This quote from Plato's Dialogues h i g h l i g h t s that the state-of-knowledge regarding Information Retrieval has not changed very much since his day. answers to the f o l l o w i n g were not simple: (I) (2) What is a question? What is an answer?
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Information retrieval: new directions: old solutions
van Rijsbergen, C. J.
Follow ACM SIGIR Forum
, Volume 17 (4)
Association for Computing Machinery – Jun 1, 1983
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