Search (2 results, page 1 of 1)
-
Fuhr, N.; Knorz, G.: Retrieval test evaluation of a rule based automatic indexing (AIR/PHYS) (1984)
0.05
0.049689498 = product of: 0.19875799 = sum of: 0.19875799 = weight(_text_:van in 2321) [ClassicSimilarity], result of: 0.19875799 = score(doc=2321,freq=2.0), product of: 0.268825 = queryWeight, product of: 5.5765896 = idf(docFreq=454, maxDocs=44218) 0.048205987 = queryNorm 0.7393583 = fieldWeight in 2321, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 5.5765896 = idf(docFreq=454, maxDocs=44218) 0.09375 = fieldNorm(doc=2321) 0.25 = coord(1/4)
- Source
- Research and development in information retrieval. Proc. of the 3rd joint BCS and ACM symp., Cambridge, 2.-6.7.1984. Ed.: C.J. van Rijsbergen
-
Biebricher, N.; Fuhr, N.; Lustig, G.; Schwantner, M.; Knorz, G.: ¬The automatic indexing system AIR/PHYS : from research to application (1988)
0.01
0.008164057 = product of: 0.032656226 = sum of: 0.032656226 = product of: 0.06531245 = sum of: 0.06531245 = weight(_text_:22 in 1952) [ClassicSimilarity], result of: 0.06531245 = score(doc=1952,freq=2.0), product of: 0.16880915 = queryWeight, product of: 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.048205987 = queryNorm 0.38690117 = fieldWeight in 1952, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.078125 = fieldNorm(doc=1952) 0.5 = coord(1/2) 0.25 = coord(1/4)
- Date
- 16. 8.1998 12:51:22