-
Schaer, P.; Mayr, P.; Sünkler, S.; Lewandowski, D.: How relevant is the long tail? : a relevance assessment study on million short (2016)
0.00
0.0011208258 = product of:
0.013449909 = sum of:
0.00739507 = product of:
0.02218521 = sum of:
0.02218521 = weight(_text_:p in 3144) [ClassicSimilarity], result of:
0.02218521 = score(doc=3144,freq=4.0), product of:
0.078979194 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.021966046 = 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)
0.0060548387 = weight(_text_:der in 3144) [ClassicSimilarity], result of:
0.0060548387 = score(doc=3144,freq=2.0), product of:
0.049067024 = queryWeight, product of:
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.021966046 = queryNorm
0.12339935 = fieldWeight in 3144, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.0390625 = fieldNorm(doc=3144)
0.083333336 = coord(2/24)
- Content
- Die Studie wurde auf der diesjährigen CLEF-Konferenz mit dem Best Poster Award ausgezeichnet.
-
Bar-Ilan, J.: Methods for measuring search engine performance over time (2002)
0.00
5.005185E-4 = product of:
0.0120124435 = sum of:
0.0120124435 = product of:
0.024024887 = sum of:
0.024024887 = weight(_text_:29 in 305) [ClassicSimilarity], result of:
0.024024887 = score(doc=305,freq=2.0), product of:
0.07726968 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.021966046 = queryNorm
0.31092256 = fieldWeight in 305, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.0625 = fieldNorm(doc=305)
0.5 = coord(1/2)
0.041666668 = coord(1/24)
- Date
- 23. 3.2002 9:50:29
-
Clarke, S.J.; Willett, P.: Estimating the recall performance of Web search engines (1997)
0.00
3.4860696E-4 = product of:
0.008366567 = sum of:
0.008366567 = product of:
0.0250997 = sum of:
0.0250997 = weight(_text_:p in 760) [ClassicSimilarity], result of:
0.0250997 = score(doc=760,freq=2.0), product of:
0.078979194 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.021966046 = queryNorm
0.31780142 = fieldWeight in 760, 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=760)
0.33333334 = coord(1/3)
0.041666668 = coord(1/24)
-
Vegt, A. van der; Zuccon, G.; Koopman, B.: Do better search engines really equate to better clinical decisions? : If not, why not? (2021)
0.00
2.5228495E-4 = product of:
0.0060548387 = sum of:
0.0060548387 = weight(_text_:der in 150) [ClassicSimilarity], result of:
0.0060548387 = score(doc=150,freq=2.0), product of:
0.049067024 = queryWeight, product of:
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.021966046 = queryNorm
0.12339935 = fieldWeight in 150, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.0390625 = fieldNorm(doc=150)
0.041666668 = coord(1/24)
-
Mettrop, W.; Nieuwenhuysen, P.: Internet search engines : fluctuations in document accessibility (2001)
0.00
2.1787935E-4 = product of:
0.0052291043 = sum of:
0.0052291043 = product of:
0.015687313 = sum of:
0.015687313 = weight(_text_:p in 4481) [ClassicSimilarity], result of:
0.015687313 = score(doc=4481,freq=2.0), product of:
0.078979194 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.021966046 = queryNorm
0.19862589 = fieldWeight in 4481, 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=4481)
0.33333334 = coord(1/3)
0.041666668 = coord(1/24)
