Tseng, Y.-H.: Automatic cataloguing and searching for retrospective data by use of OCR text (2001)
0.01
0.005802902 = product of:
0.023211608 = sum of:
0.023211608 = weight(_text_:science in 5421) [ClassicSimilarity], result of:
0.023211608 = score(doc=5421,freq=2.0), product of:
0.1329271 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.050463587 = queryNorm
0.17461908 = fieldWeight in 5421, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.046875 = fieldNorm(doc=5421)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and technology. 52(2001) no.5, S.378-390