Carstens, C.: Ontology based query expansion : retrieval support for the domain of educational research (2012)
0.03
0.030567339 = product of:
0.061134677 = sum of:
0.061134677 = product of:
0.091702014 = sum of:
0.04129752 = weight(_text_:c in 4655) [ClassicSimilarity], result of:
0.04129752 = score(doc=4655,freq=2.0), product of:
0.15480207 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.0448779 = queryNorm
0.2667763 = fieldWeight in 4655, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.0546875 = fieldNorm(doc=4655)
0.050404493 = weight(_text_:w in 4655) [ClassicSimilarity], result of:
0.050404493 = score(doc=4655,freq=2.0), product of:
0.17102097 = queryWeight, product of:
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.0448779 = queryNorm
0.29472697 = fieldWeight in 4655, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.0546875 = fieldNorm(doc=4655)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Imprint
- Boizenburg : VWH, Verl. W. Hülsbusch
