Schabas, A.H.: ¬A comparative evaluation of the retrieval effectiveness of titles, Library of Congress Subject Headings and PRECIS strings for computer searching of UK MARC data (1979)
0.01
0.006056889 = product of:
0.030284444 = sum of:
0.030284444 = weight(_text_:of in 5277) [ClassicSimilarity], result of:
0.030284444 = score(doc=5277,freq=10.0), product of:
0.06532493 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.04177434 = queryNorm
0.46359703 = fieldWeight in 5277, product of:
3.1622777 = tf(freq=10.0), with freq of:
10.0 = termFreq=10.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=5277)
0.2 = coord(1/5)
- Imprint
- London : University of London
