Ellis, D.: New horizons in information retrieval (1990)
0.00
0.0025762038 = product of:
0.015457222 = sum of:
0.015457222 = weight(_text_:in in 815) [ClassicSimilarity], result of:
0.015457222 = score(doc=815,freq=6.0), product of:
0.059380736 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.043654136 = queryNorm
0.260307 = fieldWeight in 815, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.078125 = fieldNorm(doc=815)
0.16666667 = coord(1/6)
- Footnote
- Rez. in: Canadian library journal. 48(1991) S.434 (E. Frick): "The book is full of information about the development of concepts and systems in this most fascinating part of professional work"