Walker, S.; Jones, R.M.: Improving subject retrieval in online catalogues : T.1: Stemming, automatic spelling correction and cross-reference tables (1987)
0.02
0.019944843 = product of:
0.07977937 = sum of:
0.07977937 = weight(_text_:library in 2141) [ClassicSimilarity], result of:
0.07977937 = score(doc=2141,freq=4.0), product of:
0.13870415 = queryWeight, product of:
2.6293786 = idf(docFreq=8668, maxDocs=44218)
0.052751686 = queryNorm
0.57517654 = fieldWeight in 2141, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.6293786 = idf(docFreq=8668, maxDocs=44218)
0.109375 = fieldNorm(doc=2141)
0.25 = coord(1/4)
- Imprint
- London : British Library
- Series
- British Library research paper; 24
