Waltinger, U.; Mehler, A.; Lösch, M.; Horstmann, W.: Hierarchical classification of OAI metadata using the DDC taxonomy (2011)
0.02
0.022499934 = product of:
0.056249835 = sum of:
0.03235883 = weight(_text_:w in 4841) [ClassicSimilarity], result of:
0.03235883 = score(doc=4841,freq=2.0), product of:
0.15370958 = queryWeight, product of:
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.04033519 = queryNorm
0.21051927 = fieldWeight in 4841, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.0390625 = fieldNorm(doc=4841)
0.023891004 = weight(_text_:u in 4841) [ClassicSimilarity], result of:
0.023891004 = score(doc=4841,freq=2.0), product of:
0.13207534 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.04033519 = queryNorm
0.1808892 = fieldWeight in 4841, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0390625 = fieldNorm(doc=4841)
0.4 = coord(2/5)
