Lancaster, F.W.; Warner, A.J.: Information retrieval today (1993)
0.01
0.0052445517 = product of:
0.03671186 = sum of:
0.03671186 = weight(_text_:des in 4607) [ClassicSimilarity], result of:
0.03671186 = score(doc=4607,freq=2.0), product of:
0.119985886 = queryWeight, product of:
2.7693076 = idf(docFreq=7536, maxDocs=44218)
0.043327034 = queryNorm
0.30596817 = fieldWeight in 4607, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.7693076 = idf(docFreq=7536, maxDocs=44218)
0.078125 = fieldNorm(doc=4607)
0.14285715 = coord(1/7)
- Content
- Es handelt sich um die 3. Aufl. von: 'Information retrieval systems: characteristics, testing and evaluation' des ersten Autors