-
Bollmann, P.: Probleme des Messens und Bewertens beim Information-Retrieval (1982)
0.03
0.029060993 = product of:
0.08718298 = sum of:
0.08718298 = weight(_text_:p in 427) [ClassicSimilarity], result of:
0.08718298 = score(doc=427,freq=2.0), product of:
0.15676093 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.04359905 = queryNorm
0.55615246 = fieldWeight in 427, 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=427)
0.33333334 = coord(1/3)
-
Bollmann, P.; Jochum, F.; Weissmann, V.: Experimentelle Untersuchung von Ranking-Verfahren (1986)
0.03
0.029060993 = product of:
0.08718298 = sum of:
0.08718298 = weight(_text_:p in 478) [ClassicSimilarity], result of:
0.08718298 = score(doc=478,freq=2.0), product of:
0.15676093 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.04359905 = queryNorm
0.55615246 = fieldWeight in 478, 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=478)
0.33333334 = coord(1/3)
-
Bollmann, P.; Konrad, E.; Richardt, B.; Zuse, H.: Experimentelle Überprüfung der Clusterhypothese mit dem Information-Retrieval-Methodebanksystem FAKYR (1983)
0.02
0.024909422 = product of:
0.074728265 = sum of:
0.074728265 = weight(_text_:p in 444) [ClassicSimilarity], result of:
0.074728265 = score(doc=444,freq=2.0), product of:
0.15676093 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.04359905 = queryNorm
0.47670212 = fieldWeight in 444, 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=444)
0.33333334 = coord(1/3)
-
Bollmann, P.; Cherniavsky, V.S.: Probleme der Bewertung von Information-Retrieval-Systemen (1980)
0.02
0.016606282 = product of:
0.049818847 = sum of:
0.049818847 = weight(_text_:p in 5495) [ClassicSimilarity], result of:
0.049818847 = score(doc=5495,freq=2.0), product of:
0.15676093 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.04359905 = queryNorm
0.31780142 = fieldWeight in 5495, 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=5495)
0.33333334 = coord(1/3)
-
Raghavan, V.V.; Jung, G.S.; Bollmann, P.: ¬A critical investigation of recall and precision as measures of retrieval system performance (1989)
0.02
0.016606282 = product of:
0.049818847 = sum of:
0.049818847 = weight(_text_:p in 3606) [ClassicSimilarity], result of:
0.049818847 = score(doc=3606,freq=2.0), product of:
0.15676093 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.04359905 = queryNorm
0.31780142 = fieldWeight in 3606, 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=3606)
0.33333334 = coord(1/3)