Smeaton, A.F.: Natural language processing used in information retrieval tasks : an overview of achievements to date (1995)
0.01
0.013999705 = product of:
0.02799941 = sum of:
0.02799941 = product of:
0.05599882 = sum of:
0.05599882 = weight(_text_:library in 1265) [ClassicSimilarity], result of:
0.05599882 = score(doc=1265,freq=2.0), product of:
0.13768692 = queryWeight, product of:
2.6293786 = idf(docFreq=8668, maxDocs=44218)
0.052364815 = queryNorm
0.40671125 = fieldWeight in 1265, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6293786 = idf(docFreq=8668, maxDocs=44218)
0.109375 = fieldNorm(doc=1265)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Encyclopedia of library and information science. Vol.55, [=Suppl.18]