Ellis, D.: New horizons in information retrieval (1990)
0.01
0.013613109 = product of:
0.027226217 = sum of:
0.027226217 = product of:
0.054452434 = sum of:
0.054452434 = weight(_text_:systems in 815) [ClassicSimilarity], result of:
0.054452434 = score(doc=815,freq=2.0), product of:
0.16037072 = queryWeight, product of:
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.052184064 = queryNorm
0.339541 = fieldWeight in 815, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.078125 = fieldNorm(doc=815)
0.5 = coord(1/2)
0.5 = coord(1/2)
- 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"
