-
Schabas, A.H.: ¬A comparative evaluation of the retrieval effectiveness of titles, Library of Congress Subject Headings and PRECIS strings for computer searching of UK MARC data (1979)
0.01
0.0054969285 = product of:
0.010993857 = sum of:
0.010993857 = product of:
0.021987714 = sum of:
0.021987714 = weight(_text_:d in 5277) [ClassicSimilarity], result of:
0.021987714 = score(doc=5277,freq=2.0), product of:
0.08729101 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045945734 = queryNorm
0.2518898 = fieldWeight in 5277, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.09375 = fieldNorm(doc=5277)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- d
-
Drabenstott, K.M.; Vizine-Goetz, D.: Using subject headings for online retrieval : theory, practice and potential (1994)
0.00
0.0027484642 = product of:
0.0054969285 = sum of:
0.0054969285 = product of:
0.010993857 = sum of:
0.010993857 = weight(_text_:d in 386) [ClassicSimilarity], result of:
0.010993857 = score(doc=386,freq=2.0), product of:
0.08729101 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045945734 = queryNorm
0.1259449 = fieldWeight in 386, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.046875 = fieldNorm(doc=386)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Bodoff, D.; Kambil, A.: Partial coordination : II. A preliminary evaluation and failure analysis (1998)
0.00
0.0027484642 = product of:
0.0054969285 = sum of:
0.0054969285 = product of:
0.010993857 = sum of:
0.010993857 = weight(_text_:d in 2323) [ClassicSimilarity], result of:
0.010993857 = score(doc=2323,freq=2.0), product of:
0.08729101 = queryWeight, product of:
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.045945734 = queryNorm
0.1259449 = fieldWeight in 2323, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.899872 = idf(docFreq=17979, maxDocs=44218)
0.046875 = fieldNorm(doc=2323)
0.5 = coord(1/2)
0.5 = coord(1/2)