Yu, C.T.; Salton, G.; Siu, M.K.: Effective automatic indexing using term addition and deletion (1978)
0.00
0.0019071229 = product of:
0.009535614 = sum of:
0.009535614 = weight(_text_:a in 2859) [ClassicSimilarity], result of:
0.009535614 = score(doc=2859,freq=2.0), product of:
0.053464882 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.046368346 = queryNorm
0.17835285 = fieldWeight in 2859, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.109375 = fieldNorm(doc=2859)
0.2 = coord(1/5)
- Type
- a
