<DOC> 
<DOCNO> IRE </DOCNO>         
<TITLE> Information Retrieval Experiment </TITLE>         
<SUBTITLE> Ineffable concepts in information retrieval </SUBTITLE>         
<TYPE> chapter </TYPE>         
<PAGE CHAPTER="4" NUMBER="58">                   
<AUTHOR1> Nicholas J. Belkin </AUTHOR1>  
<PUBLISHER> Butterworth & Company </PUBLISHER> 
<EDITOR1> Karen Sparck Jones </EDITOR1> 
<COPYRIGHT MTH="" DAY="" YEAR="1981" BY="Butterworth & Company">   
All rights reserved.  No part of this publication may be reproduced 
or transmitted in any form or by any means, including photocopying 
and recording, without the written permission of the copyright holder, 
application for which should be addressed to the Publishers.  Such 
written permission must also be obtained before any part of this 
publication is stored in a retrieval system of any nature. 
</COPYRIGHT> 
<BODY> 
58   Ineffable concepts in information retrieval

32. MCGILL, M. J. Knowledge and information spaces: implications for retrieval Systems, Journal
   of the American Society for Information Science 27, 205-210 (1976)
33. COOPER, w. 5. The paradoxical role of unexamined documents in the evaluation of retrieval
   effectiveness, Information Processing and Management 12, 367-76 (1976)
34. ODDY, R. N. Information retrieval through man-machine dialogue, Journal of Documentation
   33, 1-14(1977)

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