Chu, C.M.; Ajiferuke, I.: Quality of indexing in library and information science databases (1989)
0.01
0.014210094 = product of:
0.028420188 = sum of:
0.028420188 = product of:
0.056840375 = sum of:
0.056840375 = weight(_text_:i in 771) [ClassicSimilarity], result of:
0.056840375 = score(doc=771,freq=2.0), product of:
0.17049882 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.045204412 = queryNorm
0.33337694 = fieldWeight in 771, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.0625 = fieldNorm(doc=771)
0.5 = coord(1/2)
0.5 = coord(1/2)