Vizine-Goetz, D.; Markey, K.: Characteristics of subject heading records in the machine-readable Library of Congress Subject Headings (1989)
0.05
0.04783967 = product of:
0.09567934 = sum of:
0.09567934 = product of:
0.19135869 = sum of:
0.19135869 = weight(_text_:master in 1060) [ClassicSimilarity], result of:
0.19135869 = score(doc=1060,freq=2.0), product of:
0.32877895 = queryWeight, product of:
6.5848994 = idf(docFreq=165, maxDocs=44218)
0.04992923 = queryNorm
0.5820284 = fieldWeight in 1060, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
6.5848994 = idf(docFreq=165, maxDocs=44218)
0.0625 = fieldNorm(doc=1060)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- Since April 1986 the LoC has been distributing the machine-readable LSCH-mr in the form of a cumulative master tape and weekly tape update service. ... This paper details the characteristics of authority records for subject headings (MARC tag 150) ...