-
Robertson, M.A.: Windows 3.0 for the online searcher (1991)
4.57
4.574651 = sum of:
4.574651 = weight(author_txt:robertson in 591) [ClassicSimilarity], result of:
4.574651 = fieldWeight in 591, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.319441 = idf(docFreq=79, maxDocs=44421)
0.625 = fieldNorm(doc=591)
-
Robertson, S.E.: Some recent theories and models in information retrieval (1980)
4.57
4.574651 = sum of:
4.574651 = weight(author_txt:robertson in 1325) [ClassicSimilarity], result of:
4.574651 = fieldWeight in 1325, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.319441 = idf(docFreq=79, maxDocs=44421)
0.625 = fieldNorm(doc=1325)
-
Robertson, S.E.: Theories and models in information retrieval (1977)
4.57
4.574651 = sum of:
4.574651 = weight(author_txt:robertson in 1843) [ClassicSimilarity], result of:
4.574651 = fieldWeight in 1843, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.319441 = idf(docFreq=79, maxDocs=44421)
0.625 = fieldNorm(doc=1843)
-
Robertson, S.E.: On term selection for query expansion (1990)
4.57
4.574651 = sum of:
4.574651 = weight(author_txt:robertson in 2649) [ClassicSimilarity], result of:
4.574651 = fieldWeight in 2649, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.319441 = idf(docFreq=79, maxDocs=44421)
0.625 = fieldNorm(doc=2649)
-
Robertson, S.E.: On relevance weight estimation and query expansion (1986)
4.57
4.574651 = sum of:
4.574651 = weight(author_txt:robertson in 3874) [ClassicSimilarity], result of:
4.574651 = fieldWeight in 3874, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.319441 = idf(docFreq=79, maxDocs=44421)
0.625 = fieldNorm(doc=3874)
-
Dang, E.K.F.; Luk, R.W.P.; Allan, J.: ¬A retrieval model family based on the probability ranking principle for ad hoc retrieval (2022)
1.44
1.4381098 = sum of:
1.4381098 = sum of:
0.33427933 = weight(abstract_txt:ranking in 1639) [ClassicSimilarity], result of:
0.33427933 = score(doc=1639,freq=2.0), product of:
0.45049834 = queryWeight, product of:
5.5966744 = idf(docFreq=447, maxDocs=44421)
0.080493934 = queryNorm
0.7420212 = fieldWeight in 1639, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5966744 = idf(docFreq=447, maxDocs=44421)
0.09375 = fieldNorm(doc=1639)
0.3428825 = weight(abstract_txt:principle in 1639) [ClassicSimilarity], result of:
0.3428825 = score(doc=1639,freq=1.0), product of:
0.5772896 = queryWeight, product of:
1.13201 = boost
6.3354917 = idf(docFreq=213, maxDocs=44421)
0.080493934 = queryNorm
0.59395236 = fieldWeight in 1639, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.3354917 = idf(docFreq=213, maxDocs=44421)
0.09375 = fieldNorm(doc=1639)
0.76094794 = weight(abstract_txt:probability in 1639) [ClassicSimilarity], result of:
0.76094794 = score(doc=1639,freq=3.0), product of:
0.6810198 = queryWeight, product of:
1.2295134 = boost
6.881186 = idf(docFreq=123, maxDocs=44421)
0.080493934 = queryNorm
1.1173654 = fieldWeight in 1639, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
6.881186 = idf(docFreq=123, maxDocs=44421)
0.09375 = fieldNorm(doc=1639)
-
Wilbur, W.J.: ¬A comparison of group and individual performance among subject experts and untrained workers at the document retrieval task (1998)
1.19
1.1883516 = sum of:
1.1883516 = sum of:
0.27576637 = weight(abstract_txt:ranking in 4263) [ClassicSimilarity], result of:
0.27576637 = score(doc=4263,freq=1.0), product of:
0.45049834 = queryWeight, product of:
5.5966744 = idf(docFreq=447, maxDocs=44421)
0.080493934 = queryNorm
0.61213624 = fieldWeight in 4263, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.5966744 = idf(docFreq=447, maxDocs=44421)
0.109375 = fieldNorm(doc=4263)
0.4000296 = weight(abstract_txt:principle in 4263) [ClassicSimilarity], result of:
0.4000296 = score(doc=4263,freq=1.0), product of:
0.5772896 = queryWeight, product of:
1.13201 = boost
6.3354917 = idf(docFreq=213, maxDocs=44421)
0.080493934 = queryNorm
0.6929444 = fieldWeight in 4263, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.3354917 = idf(docFreq=213, maxDocs=44421)
0.109375 = fieldNorm(doc=4263)
0.5125557 = weight(abstract_txt:probability in 4263) [ClassicSimilarity], result of:
0.5125557 = score(doc=4263,freq=1.0), product of:
0.6810198 = queryWeight, product of:
1.2295134 = boost
6.881186 = idf(docFreq=123, maxDocs=44421)
0.080493934 = queryNorm
0.7526297 = fieldWeight in 4263, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.881186 = idf(docFreq=123, maxDocs=44421)
0.109375 = fieldNorm(doc=4263)
-
Wu, H.C.; Luk, R.W.P.; Wong, K.F,; Kwok, K.L.: ¬A retrospective study of a hybrid document-context based retrieval model (2007)
0.74
0.7405968 = sum of:
0.7405968 = sum of:
0.13788319 = weight(abstract_txt:ranking in 1936) [ClassicSimilarity], result of:
0.13788319 = score(doc=1936,freq=1.0), product of:
0.45049834 = queryWeight, product of:
5.5966744 = idf(docFreq=447, maxDocs=44421)
0.080493934 = queryNorm
0.30606812 = fieldWeight in 1936, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.5966744 = idf(docFreq=447, maxDocs=44421)
0.0546875 = fieldNorm(doc=1936)
0.34643576 = weight(abstract_txt:principle in 1936) [ClassicSimilarity], result of:
0.34643576 = score(doc=1936,freq=3.0), product of:
0.5772896 = queryWeight, product of:
1.13201 = boost
6.3354917 = idf(docFreq=213, maxDocs=44421)
0.080493934 = queryNorm
0.60010743 = fieldWeight in 1936, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
6.3354917 = idf(docFreq=213, maxDocs=44421)
0.0546875 = fieldNorm(doc=1936)
0.25627786 = weight(abstract_txt:probability in 1936) [ClassicSimilarity], result of:
0.25627786 = score(doc=1936,freq=1.0), product of:
0.6810198 = queryWeight, product of:
1.2295134 = boost
6.881186 = idf(docFreq=123, maxDocs=44421)
0.080493934 = queryNorm
0.37631485 = fieldWeight in 1936, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.881186 = idf(docFreq=123, maxDocs=44421)
0.0546875 = fieldNorm(doc=1936)
-
Bache, R.; Baillie, M.; Crestani, F.: Measuring the likelihood property of scoring functions in general retrieval models (2009)
0.66
0.66487944 = sum of:
0.66487944 = product of:
0.9973191 = sum of:
0.23637119 = weight(abstract_txt:ranking in 3860) [ClassicSimilarity], result of:
0.23637119 = score(doc=3860,freq=1.0), product of:
0.45049834 = queryWeight, product of:
5.5966744 = idf(docFreq=447, maxDocs=44421)
0.080493934 = queryNorm
0.52468824 = fieldWeight in 3860, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.5966744 = idf(docFreq=447, maxDocs=44421)
0.09375 = fieldNorm(doc=3860)
0.76094794 = weight(abstract_txt:probability in 3860) [ClassicSimilarity], result of:
0.76094794 = score(doc=3860,freq=3.0), product of:
0.6810198 = queryWeight, product of:
1.2295134 = boost
6.881186 = idf(docFreq=123, maxDocs=44421)
0.080493934 = queryNorm
1.1173654 = fieldWeight in 3860, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
6.881186 = idf(docFreq=123, maxDocs=44421)
0.09375 = fieldNorm(doc=3860)
0.6666667 = coord(2/3)
-
Liu, X.; Zhang, J.; Guo, C.: Full-text citation analysis : a new method to enhance scholarly networks (2013)
0.49
0.4862461 = sum of:
0.4862461 = product of:
0.72936916 = sum of:
0.31516156 = weight(abstract_txt:ranking in 2044) [ClassicSimilarity], result of:
0.31516156 = score(doc=2044,freq=4.0), product of:
0.45049834 = queryWeight, product of:
5.5966744 = idf(docFreq=447, maxDocs=44421)
0.080493934 = queryNorm
0.6995843 = fieldWeight in 2044, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.5966744 = idf(docFreq=447, maxDocs=44421)
0.0625 = fieldNorm(doc=2044)
0.41420758 = weight(abstract_txt:probability in 2044) [ClassicSimilarity], result of:
0.41420758 = score(doc=2044,freq=2.0), product of:
0.6810198 = queryWeight, product of:
1.2295134 = boost
6.881186 = idf(docFreq=123, maxDocs=44421)
0.080493934 = queryNorm
0.60821664 = fieldWeight in 2044, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
6.881186 = idf(docFreq=123, maxDocs=44421)
0.0625 = fieldNorm(doc=2044)
0.6666667 = coord(2/3)