Robertson, S.E.: ¬The probability ranking principle in IR (1977)
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- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willet. San Francisco: Morgan Kaufmann 1997. S.281-286.
- Source
- Journal of documentation. 33(1977), S.294-304
Robertson, S.E.; Belkin, N.J.: Ranking in principle (1978)
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- Source
- Journal of documentation. 34(1978), S.93-100
