Ballerini, J.-P.; Büchel, M.; Domenig, R.; Knaus, D.; Mateev, B.; Mittendorf, E.; Schäuble, P.; Wechsler, M.; Sheridan, P.: SPIDER retrieval system at TREC-5 (1997)
0.01
0.005227756 = product of:
0.03659429 = sum of:
0.03659429 = product of:
0.091485724 = sum of:
0.051786967 = weight(_text_:retrieval in 3104) [ClassicSimilarity], result of:
0.051786967 = score(doc=3104,freq=4.0), product of:
0.109568894 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.03622214 = queryNorm
0.47264296 = fieldWeight in 3104, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=3104)
0.03969876 = weight(_text_:system in 3104) [ClassicSimilarity], result of:
0.03969876 = score(doc=3104,freq=2.0), product of:
0.11408355 = queryWeight, product of:
3.1495528 = idf(docFreq=5152, maxDocs=44218)
0.03622214 = queryNorm
0.3479797 = fieldWeight in 3104, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1495528 = idf(docFreq=5152, maxDocs=44218)
0.078125 = fieldNorm(doc=3104)
0.4 = coord(2/5)
0.14285715 = coord(1/7)
- Source
- The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman
