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Keen, E.M.: ¬The Aberystwyth index languages tests (1973)
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- Source
- Journal of documentation. 29(1973), S.1-35
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Keen, E.M.: Prospects for classification suggested by evaluation tests (1976)
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- Pages
- S.142-157
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Keen, E.M.: On the generation and searching of entries in printed subject indexes (1977)
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- Journal of documentation. 33(1977) no.1, S.15-45
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Keen, E.M.: Laboratory tests of manual systems (1981)
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- Pages
- S.136-155
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Keen, E.M.: Using channels, topics, keywords and other metadata in an electronic alerting service (2000)
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- Source
- Vine. 2000, no.117, S.3-12
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Keen, E.M.: Presenting results of experimental retrieval comparisons (1992)
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- Information processing and management. 28(1992) no.4, S.491-502
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Keen, E.M.: Some aspects of proximity searching in text retrieval systems (1992)
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- Journal of information science. 18(1992), S.89-98
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Keen, E.M.; Hartley, R.J.: Phrase processing in text retrieval (1994)
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- Journal of document and text management. 2(1994) no.1, S.23-34
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Keen, E.M.: Aspects of computer-based indexing languages (1991)
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- Pages
- S.148-151
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Keen, E.M.: Interactive ranked retrieval (1995)
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- 146 S
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Keen, E.M.: Designing and testing an interactive ranked retrieval system for professional searchers (1994)
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- Source
- Journal of information science. 20(1994) no.6, S.389-398
