Klein, G.M.: Is there a standard default keyword operator? : a bibliometric analysis of processing options chosen by libraries to execute keyword searches in online public access catalogs (1994)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 2200) [ClassicSimilarity], result of:
0.004812876 = score(doc=2200,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 2200, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=2200)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Library hi tech. 12(1994) no.4, S.71-81
