-
Tenopir, C.: Full text database retrieval performance (1985)
0.00
0.003008638 = product of:
0.006017276 = sum of:
0.006017276 = product of:
0.012034552 = sum of:
0.012034552 = weight(_text_:a in 406) [ClassicSimilarity], result of:
0.012034552 = score(doc=406,freq=2.0), product of:
0.04723326 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.040963866 = queryNorm
0.25478977 = fieldWeight in 406, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.15625 = fieldNorm(doc=406)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- a
-
Tenopir, C.: Full text databases (1984)
0.00
0.0024069105 = product of:
0.004813821 = sum of:
0.004813821 = product of:
0.009627642 = sum of:
0.009627642 = weight(_text_:a in 398) [ClassicSimilarity], result of:
0.009627642 = score(doc=398,freq=2.0), product of:
0.04723326 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.040963866 = queryNorm
0.20383182 = fieldWeight in 398, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.125 = fieldNorm(doc=398)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- a
-
Tenopir, C.: Searching by controlled vocabulary or free text (1987)
0.00
0.0024069105 = product of:
0.004813821 = sum of:
0.004813821 = product of:
0.009627642 = sum of:
0.009627642 = weight(_text_:a in 1350) [ClassicSimilarity], result of:
0.009627642 = score(doc=1350,freq=2.0), product of:
0.04723326 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.040963866 = queryNorm
0.20383182 = fieldWeight in 1350, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.125 = fieldNorm(doc=1350)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- a