Losee, R.: ¬A performance model of the length and number of subject headings and index phrases (2004)
0.01
0.0054200157 = product of:
0.021680063 = sum of:
0.021680063 = product of:
0.043360125 = sum of:
0.043360125 = weight(_text_:organization in 3725) [ClassicSimilarity], result of:
0.043360125 = score(doc=3725,freq=2.0), product of:
0.18345574 = queryWeight, product of:
3.5653565 = idf(docFreq=3399, maxDocs=44218)
0.051455088 = queryNorm
0.23635197 = fieldWeight in 3725, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5653565 = idf(docFreq=3399, maxDocs=44218)
0.046875 = fieldNorm(doc=3725)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Source
- Knowledge organization. 31(2004) no.4, S.245-251