-
Munkelt, J.; Schaer, P.: Towards an IR test collection for the German National Library (2018)
0.01
0.014980781 = product of:
0.029961562 = sum of:
0.029961562 = product of:
0.08988468 = sum of:
0.08988468 = weight(_text_:p in 5780) [ClassicSimilarity], result of:
0.08988468 = score(doc=5780,freq=2.0), product of:
0.16161878 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.044950135 = queryNorm
0.55615246 = fieldWeight in 5780, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.109375 = fieldNorm(doc=5780)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
-
Borlund, P.: ¬The IIR evaluation model : a framework for evaluation of interactive information retrieval systems (2003)
0.01
0.01284067 = product of:
0.02568134 = sum of:
0.02568134 = product of:
0.07704402 = sum of:
0.07704402 = weight(_text_:p in 922) [ClassicSimilarity], result of:
0.07704402 = score(doc=922,freq=2.0), product of:
0.16161878 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.044950135 = queryNorm
0.47670212 = fieldWeight in 922, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.09375 = fieldNorm(doc=922)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
-
Schirrmeister, N.-P.; Keil, S.: Aufbau einer Infrastruktur für Information Retrieval-Evaluationen (2012)
0.01
0.008560447 = product of:
0.017120894 = sum of:
0.017120894 = product of:
0.05136268 = sum of:
0.05136268 = weight(_text_:p in 3097) [ClassicSimilarity], result of:
0.05136268 = score(doc=3097,freq=2.0), product of:
0.16161878 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.044950135 = queryNorm
0.31780142 = fieldWeight in 3097, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.0625 = fieldNorm(doc=3097)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
-
Schaer, P.; Mayr, P.; Sünkler, S.; Lewandowski, D.: How relevant is the long tail? : a relevance assessment study on million short (2016)
0.01
0.007566438 = product of:
0.015132876 = sum of:
0.015132876 = product of:
0.045398626 = sum of:
0.045398626 = weight(_text_:p in 3144) [ClassicSimilarity], result of:
0.045398626 = score(doc=3144,freq=4.0), product of:
0.16161878 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.044950135 = queryNorm
0.28089944 = fieldWeight in 3144, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.0390625 = fieldNorm(doc=3144)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
-
Hider, P.: ¬The search value added by professional indexing to a bibliographic database (2017)
0.01
0.0053502796 = product of:
0.010700559 = sum of:
0.010700559 = product of:
0.032101676 = sum of:
0.032101676 = weight(_text_:p in 3868) [ClassicSimilarity], result of:
0.032101676 = score(doc=3868,freq=2.0), product of:
0.16161878 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.044950135 = queryNorm
0.19862589 = fieldWeight in 3868, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.0390625 = fieldNorm(doc=3868)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
-
Toepfer, M.; Seifert, C.: Content-based quality estimation for automatic subject indexing of short texts under precision and recall constraints
0.00
0.004924285 = product of:
0.00984857 = sum of:
0.00984857 = product of:
0.02954571 = sum of:
0.02954571 = weight(_text_:c in 4309) [ClassicSimilarity], result of:
0.02954571 = score(doc=4309,freq=2.0), product of:
0.15505123 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.044950135 = queryNorm
0.1905545 = fieldWeight in 4309, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.0390625 = fieldNorm(doc=4309)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
