Search (2 results, page 1 of 1)
- Did you mean:
- rvk_ss%3a%2200 76400 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f bibliotheksbenutzung %2f auskunft%2c information%22 2
- rvk_ss%3a%2200 73400 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f bibliotheksbenutzung %2f auskunft%2c information%22 2
- rvk_ss%3a%2200 76400 allgemeinen %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f bibliotheksbenutzung %2f auskunft%2c information%22 2
- rvk_ss%3a%2200 76400 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f bibliotheksbenutzung %2f auskunfts%2c information%22 2
- rvk_ss%3a%2223 76400 allgemeines %2f buch- und bibliothekswesen%2c informationswissenschaft %2f bibliothekswesen %2f bibliotheksbenutzung %2f auskunft%2c information%22 2
-
Robertson, S.E.; Hancock-Beaulieu, M.M.: On the evaluation of IR systems (1992)
0.00
5.2621565E-4 = product of: 0.0078932345 = sum of: 0.0078932345 = product of: 0.015786469 = sum of: 0.015786469 = weight(_text_:information in 2619) [ClassicSimilarity], result of: 0.015786469 = score(doc=2619,freq=2.0), product of: 0.050870337 = queryWeight, product of: 1.7554779 = idf(docFreq=20772, maxDocs=44218) 0.028978055 = queryNorm 0.3103276 = fieldWeight in 2619, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 1.7554779 = idf(docFreq=20772, maxDocs=44218) 0.125 = fieldNorm(doc=2619) 0.5 = coord(1/2) 0.06666667 = coord(1/15)
- Source
- Information processing and management. 28(1992) no.4, S.457-466
-
Robertson, S.E.; Walker, S.; Hancock-Beaulieu, M.M.: Large test collection experiments of an operational, interactive system : OKAPI at TREC (1995)
0.00
2.3021935E-4 = product of: 0.00345329 = sum of: 0.00345329 = product of: 0.00690658 = sum of: 0.00690658 = weight(_text_:information in 6964) [ClassicSimilarity], result of: 0.00690658 = score(doc=6964,freq=2.0), product of: 0.050870337 = queryWeight, product of: 1.7554779 = idf(docFreq=20772, maxDocs=44218) 0.028978055 = queryNorm 0.13576832 = fieldWeight in 6964, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 1.7554779 = idf(docFreq=20772, maxDocs=44218) 0.0546875 = fieldNorm(doc=6964) 0.5 = coord(1/2) 0.06666667 = coord(1/15)
- Source
- Information processing and management. 31(1995) no.3, S.345-360