Bett, C.E.: ¬The Subject Access Project : a comparison with PRECIS (1979)
0.02
0.015011381 = product of:
0.045034144 = sum of:
0.045034144 = product of:
0.09006829 = sum of:
0.09006829 = weight(_text_:system in 829) [ClassicSimilarity], result of:
0.09006829 = score(doc=829,freq=2.0), product of:
0.16177002 = queryWeight, product of:
3.1495528 = idf(docFreq=5152, maxDocs=44218)
0.051362853 = queryNorm
0.5567675 = fieldWeight in 829, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1495528 = idf(docFreq=5152, maxDocs=44218)
0.125 = fieldNorm(doc=829)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Theme
- Preserved Context Index System (PRECIS)