-
Sparck Jones, K.: Search term relevance weighting given little relevance information (1979)
0.04
0.039559867 = product of:
0.079119734 = sum of:
0.079119734 = product of:
0.1186796 = sum of:
0.10860524 = weight(_text_:k in 1939) [ClassicSimilarity], result of:
0.10860524 = score(doc=1939,freq=4.0), product of:
0.16225883 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.04545348 = queryNorm
0.66933334 = fieldWeight in 1939, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.09375 = fieldNorm(doc=1939)
0.010074357 = weight(_text_:s in 1939) [ClassicSimilarity], result of:
0.010074357 = score(doc=1939,freq=4.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.20385705 = fieldWeight in 1939, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=1939)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.329-338.
- Source
- Journal of documentation. 35(1979), S.30-48
-
Sparck Jones, K.: ¬A statistical interpretation of term specifity and its application in retrieval (1972)
0.04
0.037297405 = product of:
0.07459481 = sum of:
0.07459481 = product of:
0.11189221 = sum of:
0.102394015 = weight(_text_:k in 5187) [ClassicSimilarity], result of:
0.102394015 = score(doc=5187,freq=2.0), product of:
0.16225883 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.04545348 = queryNorm
0.63105357 = fieldWeight in 5187, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.125 = fieldNorm(doc=5187)
0.009498195 = weight(_text_:s in 5187) [ClassicSimilarity], result of:
0.009498195 = score(doc=5187,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.19219826 = fieldWeight in 5187, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=5187)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Source
- Journal of documentation. 28(1972), S.11-21
-
Robertson, S.E.: ¬The probability ranking principle in IR (1977)
0.03
0.028956622 = product of:
0.057913244 = sum of:
0.057913244 = product of:
0.086869866 = sum of:
0.07679551 = weight(_text_:k in 1935) [ClassicSimilarity], result of:
0.07679551 = score(doc=1935,freq=2.0), product of:
0.16225883 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.04545348 = queryNorm
0.47329018 = fieldWeight in 1935, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.09375 = fieldNorm(doc=1935)
0.010074357 = weight(_text_:s in 1935) [ClassicSimilarity], result of:
0.010074357 = score(doc=1935,freq=4.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.20385705 = fieldWeight in 1935, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=1935)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willet. San Francisco: Morgan Kaufmann 1997. S.281-286.
- Source
- Journal of documentation. 33(1977), S.294-304
-
Schiminovich, S.: Automatic classification and retrieval of documents by means of a bibliographic pattern discovery algorithm (1971)
0.00
0.001958903 = product of:
0.003917806 = sum of:
0.003917806 = product of:
0.011753417 = sum of:
0.011753417 = weight(_text_:s in 4846) [ClassicSimilarity], result of:
0.011753417 = score(doc=4846,freq=4.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.23783323 = fieldWeight in 4846, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=4846)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Information storage and retrieval. 6(1971), S.417-435
-
Boyer, R.; Moore, S.: ¬A fast string searching algorithm (1977)
0.00
0.001958903 = product of:
0.003917806 = sum of:
0.003917806 = product of:
0.011753417 = sum of:
0.011753417 = weight(_text_:s in 3507) [ClassicSimilarity], result of:
0.011753417 = score(doc=3507,freq=4.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.23783323 = fieldWeight in 3507, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=3507)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Communications of the Association for Computing Machinery. 20(1977), S.762-772
-
Robertson, S.E.; Belkin, N.J.: Ranking in principle (1978)
0.00
0.0015830325 = product of:
0.003166065 = sum of:
0.003166065 = product of:
0.009498195 = sum of:
0.009498195 = weight(_text_:s in 1143) [ClassicSimilarity], result of:
0.009498195 = score(doc=1143,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.19219826 = fieldWeight in 1143, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=1143)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of documentation. 34(1978), S.93-100
-
Rijsbergen, C.J. van: ¬A fast hierarchic clustering algorithm (1970)
0.00
0.0015830325 = product of:
0.003166065 = sum of:
0.003166065 = product of:
0.009498195 = sum of:
0.009498195 = weight(_text_:s in 3300) [ClassicSimilarity], result of:
0.009498195 = score(doc=3300,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.19219826 = fieldWeight in 3300, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=3300)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Computer journal. 13(1970), S.324-326
-
Aho, A.; Corasick, M.: Efficient string matching : an aid to bibliographic search (1975)
0.00
0.0013851533 = product of:
0.0027703065 = sum of:
0.0027703065 = product of:
0.00831092 = sum of:
0.00831092 = weight(_text_:s in 3506) [ClassicSimilarity], result of:
0.00831092 = score(doc=3506,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.16817348 = fieldWeight in 3506, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=3506)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Communications of the Association for Computing Machinery. 18(1975), S.333-340
-
Sachs, W.M.: ¬An approach to associative retrieval through the theory of fuzzy sets (1976)
0.00
9.893953E-4 = product of:
0.0019787906 = sum of:
0.0019787906 = product of:
0.0059363716 = sum of:
0.0059363716 = weight(_text_:s in 7) [ClassicSimilarity], result of:
0.0059363716 = score(doc=7,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.120123915 = fieldWeight in 7, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=7)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for information science. 27(1976), S.85-87
-
Croft, W.B.; Harper, D.J.: Using probabilistic models of document retrieval without relevance information (1979)
0.00
7.915163E-4 = product of:
0.0015830325 = sum of:
0.0015830325 = product of:
0.0047490974 = sum of:
0.0047490974 = weight(_text_:s in 4520) [ClassicSimilarity], result of:
0.0047490974 = score(doc=4520,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.09609913 = fieldWeight in 4520, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=4520)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of documentation. 35(1979) no.4, S.285-295