-
Munkelt, J.; Schaer, P.: Towards an IR test collection for the German National Library (2018)
0.02
0.018696696 = product of:
0.03739339 = sum of:
0.03739339 = product of:
0.07478678 = sum of:
0.07478678 = weight(_text_:p in 5780) [ClassicSimilarity], result of:
0.07478678 = score(doc=5780,freq=2.0), product of:
0.13447173 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.037399877 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Borlund, P.: ¬The IIR evaluation model : a framework for evaluation of interactive information retrieval systems (2003)
0.02
0.01602574 = product of:
0.03205148 = sum of:
0.03205148 = product of:
0.06410296 = sum of:
0.06410296 = weight(_text_:p in 922) [ClassicSimilarity], result of:
0.06410296 = score(doc=922,freq=2.0), product of:
0.13447173 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.037399877 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Schirrmeister, N.-P.; Keil, S.: Aufbau einer Infrastruktur für Information Retrieval-Evaluationen (2012)
0.01
0.010683826 = product of:
0.021367652 = sum of:
0.021367652 = product of:
0.042735305 = sum of:
0.042735305 = weight(_text_:p in 3097) [ClassicSimilarity], result of:
0.042735305 = score(doc=3097,freq=2.0), product of:
0.13447173 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.037399877 = 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)
0.5 = coord(1/2)
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
0.009443258 = product of:
0.018886516 = sum of:
0.018886516 = product of:
0.03777303 = sum of:
0.03777303 = weight(_text_:p in 3144) [ClassicSimilarity], result of:
0.03777303 = score(doc=3144,freq=4.0), product of:
0.13447173 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.037399877 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Hider, P.: ¬The search value added by professional indexing to a bibliographic database (2017)
0.01
0.006677392 = product of:
0.013354784 = sum of:
0.013354784 = product of:
0.026709568 = sum of:
0.026709568 = weight(_text_:p in 3868) [ClassicSimilarity], result of:
0.026709568 = score(doc=3868,freq=2.0), product of:
0.13447173 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.037399877 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)
