Lancaster, F.W.: Vocabulary control for information retrieval (1986)
0.02
0.02228309 = product of:
0.055707723 = sum of:
0.047242504 = product of:
0.1417275 = sum of:
0.1417275 = weight(_text_:pr in 217) [ClassicSimilarity], result of:
0.1417275 = score(doc=217,freq=2.0), product of:
0.22381343 = queryWeight, product of:
7.1642876 = idf(docFreq=92, maxDocs=44218)
0.031240152 = queryNorm
0.6332395 = fieldWeight in 217, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.1642876 = idf(docFreq=92, maxDocs=44218)
0.0625 = fieldNorm(doc=217)
0.33333334 = coord(1/3)
0.008465218 = product of:
0.033860873 = sum of:
0.033860873 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
0.033860873 = score(doc=217,freq=2.0), product of:
0.10939769 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.031240152 = queryNorm
0.30952093 = fieldWeight in 217, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=217)
0.25 = coord(1/4)
0.4 = coord(2/5)
- Date
- 22. 4.2007 10:07:51
- Imprint
- Arlington, VA : Information Resources Pr.