-
Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
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- Date
- 30. 3.2001 13:32:22
-
Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973)
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- Date
- 19. 3.1996 11:22:12
-
Rijsbergen, C.J. van: Foundations of evaluation (1974)
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Ackermann, E.: Piaget's constructivism, Papert's constructionism : what's the difference? (2001)
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- Content
- Vgl.: https://www.semanticscholar.org/paper/Piaget-%E2%80%99-s-Constructivism-%2C-Papert-%E2%80%99-s-%3A-What-%E2%80%99-s-Ackermann/89cbcc1e740a4591443ff4765a6ae8df0fdf5554. Darunter weitere Hinweise auf verwandte Beiträge. Auch unter: Learning Group Publication 5(2001) no.3, S.438.
-
Crouch, C.J.: ¬An approach to the automatic construction of global thesauri (1990)
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- Date
- 22. 4.1996 3:39:53
-
Rijsbergen, C.J. van: Automatic classification in information retrieval (1978)
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-
Rijsbergen, C.J. van: ¬A fast hierarchic clustering algorithm (1970)
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-
Muncer, J.; Hill, C.J.; Didley, M.P.: Raised eyebrows : a survey of public reactions to an OPAC (1990)
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-
Dunlop, M.D.; Rijsbergen, C.J. van: Hypermedia and free text retrieval (1993)
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Jardine, N.; Rijsbergen, C.J. van: ¬The use of hierarchic clustering in information retrieval (1971)
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-
Kacmar, C.J.: Supporting hypermedia services in the user interface (1993)
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-
Rijsbergen, C.J. van: Retrieval effectiveness (1981)
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-
Lancaster, F.W.; Gillespie, C.J.: Design and evaluation of information systems (1970)
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-
Prom, C.J.: Extending the capabilities of the EAD Cookbook (2001)
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-
Crestani, F.; Rijsbergen, C.J. van: Information retrieval by imaging (1996)
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- Source
- Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon
-
Large, J.A.: New Grolier electronic encyclopedia (1990)
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- Source
- CD-ROM information products: an evaluative guide and directory. Ed.: C.J. Armstrong et al
-
Armstrong, C.J.: Why metadata could offer an answer to the quality question (1999)
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-
Thompson, D.M.; Egyhazy, C.J.; Plumkett Jr., T.K.: Intelligent Web search agents (2000)
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Godby, C.J.; Smith, D.; Childress, E.: Encoding application profiles in a computational model of the crosswalk (2008)
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- Source
- Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas
-
Zhou, Q.; Lee, C.S.; Sin, S.-C.J.; Lin, S.; Hu, H.; Ismail, M.F.F. Bin: Understanding the use of YouTube as a learning resource : a social cognitive perspective (2020)
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- Date
- 20. 1.2015 18:30:22