Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication (1977)
0.03
0.033371408 = product of:
0.066742815 = sum of:
0.066742815 = product of:
0.13348563 = sum of:
0.13348563 = weight(_text_:v in 6424) [ClassicSimilarity], result of:
0.13348563 = score(doc=6424,freq=4.0), product of:
0.219214 = queryWeight, product of:
4.871427 = idf(docFreq=920, maxDocs=44218)
0.044999957 = queryNorm
0.6089284 = fieldWeight in 6424, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.871427 = idf(docFreq=920, maxDocs=44218)
0.0625 = fieldNorm(doc=6424)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Content
- v. 1. Introduction, classified thesaurus, permuted index, hierarchical display.--v. 2. Alphabetical thesaurus.