-
Popper, K.R.: Three worlds : the Tanner lecture on human values. Deliverd at the University of Michigan, April 7, 1978 (1978)
0.04
0.036140244 = product of:
0.07228049 = sum of:
0.07228049 = product of:
0.28912196 = sum of:
0.28912196 = weight(_text_:3a in 230) [ClassicSimilarity], result of:
0.28912196 = score(doc=230,freq=2.0), product of:
0.38582653 = queryWeight, product of:
8.478011 = idf(docFreq=24, maxDocs=44218)
0.045509085 = queryNorm
0.7493574 = fieldWeight in 230, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
8.478011 = idf(docFreq=24, maxDocs=44218)
0.0625 = fieldNorm(doc=230)
0.25 = coord(1/4)
0.5 = coord(1/2)
- Source
- https%3A%2F%2Ftannerlectures.utah.edu%2F_documents%2Fa-to-z%2Fp%2Fpopper80.pdf&usg=AOvVaw3f4QRTEH-OEBmoYr2J_c7H
-
Sparck Jones, K.: Search term relevance weighting given little relevance information (1979)
0.03
0.027184527 = product of:
0.054369055 = sum of:
0.054369055 = product of:
0.10873811 = sum of:
0.10873811 = weight(_text_:k in 1939) [ClassicSimilarity], result of:
0.10873811 = score(doc=1939,freq=4.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = 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)
0.5 = coord(1/2)
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.
-
Wright, K.: Social science information characteristics with particular reference to the educational resources information centers (1973)
0.03
0.02562982 = product of:
0.05125964 = sum of:
0.05125964 = product of:
0.10251928 = sum of:
0.10251928 = weight(_text_:k in 2577) [ClassicSimilarity], result of:
0.10251928 = score(doc=2577,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.63105357 = fieldWeight in 2577, 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=2577)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Sparck Jones, K.: Automatic classification (1976)
0.03
0.02562982 = product of:
0.05125964 = sum of:
0.05125964 = product of:
0.10251928 = sum of:
0.10251928 = weight(_text_:k in 2908) [ClassicSimilarity], result of:
0.10251928 = score(doc=2908,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.63105357 = fieldWeight in 2908, 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=2908)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Sparck Jones, K.; Jackson, D.M.: ¬The use of automatically obtained keyword classification for information retrieval (1970)
0.03
0.02562982 = product of:
0.05125964 = sum of:
0.05125964 = product of:
0.10251928 = sum of:
0.10251928 = weight(_text_:k in 5177) [ClassicSimilarity], result of:
0.10251928 = score(doc=5177,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.63105357 = fieldWeight in 5177, 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=5177)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Sparck Jones, K.: ¬A statistical interpretation of term specifity and its application in retrieval (1972)
0.03
0.02562982 = product of:
0.05125964 = sum of:
0.05125964 = product of:
0.10251928 = sum of:
0.10251928 = weight(_text_:k in 5187) [ClassicSimilarity], result of:
0.10251928 = score(doc=5187,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Sparck Jones, K.: Index term weighting (1973)
0.03
0.02562982 = product of:
0.05125964 = sum of:
0.05125964 = product of:
0.10251928 = sum of:
0.10251928 = weight(_text_:k in 5491) [ClassicSimilarity], result of:
0.10251928 = score(doc=5491,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.63105357 = fieldWeight in 5491, 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=5491)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Whittaker, K.: Towards a theory for reference and information service (1977)
0.03
0.02562982 = product of:
0.05125964 = sum of:
0.05125964 = product of:
0.10251928 = sum of:
0.10251928 = weight(_text_:k in 5725) [ClassicSimilarity], result of:
0.10251928 = score(doc=5725,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.63105357 = fieldWeight in 5725, 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=5725)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Coleman, K.; Dickinson, P.: Drafting a reference collection policy (1977)
0.03
0.02562982 = product of:
0.05125964 = sum of:
0.05125964 = product of:
0.10251928 = sum of:
0.10251928 = weight(_text_:k in 5735) [ClassicSimilarity], result of:
0.10251928 = score(doc=5735,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.63105357 = fieldWeight in 5735, 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=5735)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Kay, M.; Sparck Jones, K.: Automated language processing (1971)
0.03
0.02562982 = product of:
0.05125964 = sum of:
0.05125964 = product of:
0.10251928 = sum of:
0.10251928 = weight(_text_:k in 250) [ClassicSimilarity], result of:
0.10251928 = score(doc=250,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.63105357 = fieldWeight in 250, 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=250)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Morse, P.M.: Search theory and browsing (1970)
0.02
0.024663411 = product of:
0.049326822 = sum of:
0.049326822 = product of:
0.098653644 = sum of:
0.098653644 = weight(_text_:22 in 1448) [ClassicSimilarity], result of:
0.098653644 = score(doc=1448,freq=2.0), product of:
0.15936506 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045509085 = queryNorm
0.61904186 = fieldWeight in 1448, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=1448)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 5.2005 19:53:09
-
Hafter, R.: ¬The performance of card catalogs : a review of research (1979)
0.02
0.024663411 = product of:
0.049326822 = sum of:
0.049326822 = product of:
0.098653644 = sum of:
0.098653644 = weight(_text_:22 in 3069) [ClassicSimilarity], result of:
0.098653644 = score(doc=3069,freq=2.0), product of:
0.15936506 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045509085 = queryNorm
0.61904186 = fieldWeight in 3069, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=3069)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 3.10.2000 20:48:22
-
Foskett, D.J.: Classification and indexing in the social sciences (1970)
0.02
0.024663411 = product of:
0.049326822 = sum of:
0.049326822 = product of:
0.098653644 = sum of:
0.098653644 = weight(_text_:22 in 4957) [ClassicSimilarity], result of:
0.098653644 = score(doc=4957,freq=2.0), product of:
0.15936506 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045509085 = queryNorm
0.61904186 = fieldWeight in 4957, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=4957)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Aslib proceedings. 22(1970), S.90-101
-
Artandi, S.: Document retrieval and the concept of sets (1971)
0.02
0.024663411 = product of:
0.049326822 = sum of:
0.049326822 = product of:
0.098653644 = sum of:
0.098653644 = weight(_text_:22 in 5458) [ClassicSimilarity], result of:
0.098653644 = score(doc=5458,freq=2.0), product of:
0.15936506 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045509085 = queryNorm
0.61904186 = fieldWeight in 5458, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=5458)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 22(1971) no.4, S.289-290
-
Gratch, B.; Settel, B.; Atherton, P.: Characteristics of book indexes for subject retrieval in the humanities and social sciences (1978)
0.02
0.021580484 = product of:
0.043160968 = sum of:
0.043160968 = product of:
0.086321935 = sum of:
0.086321935 = weight(_text_:22 in 1061) [ClassicSimilarity], result of:
0.086321935 = score(doc=1061,freq=2.0), product of:
0.15936506 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045509085 = queryNorm
0.5416616 = fieldWeight in 1061, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=1061)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Indexer. 11(1978), S.14-22
-
Morse, P.M.: Browsing and search theory (1973)
0.02
0.021580484 = product of:
0.043160968 = sum of:
0.043160968 = product of:
0.086321935 = sum of:
0.086321935 = weight(_text_:22 in 3339) [ClassicSimilarity], result of:
0.086321935 = score(doc=3339,freq=2.0), product of:
0.15936506 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045509085 = queryNorm
0.5416616 = fieldWeight in 3339, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=3339)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 5.2005 19:52:29
-
Cooper, W.S.: ¬On selecting a measure of retrieval effectiveness, revisited (1973)
0.02
0.019222366 = product of:
0.03844473 = sum of:
0.03844473 = product of:
0.07688946 = sum of:
0.07688946 = weight(_text_:k in 1930) [ClassicSimilarity], result of:
0.07688946 = score(doc=1930,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.47329018 = fieldWeight in 1930, 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=1930)
0.5 = coord(1/2)
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.191-204.
-
Robertson, S.E.: ¬The probability ranking principle in IR (1977)
0.02
0.019222366 = product of:
0.03844473 = sum of:
0.03844473 = product of:
0.07688946 = sum of:
0.07688946 = weight(_text_:k in 1935) [ClassicSimilarity], result of:
0.07688946 = score(doc=1935,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = 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)
0.5 = coord(1/2)
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.
-
Downing, J.C.: Dewey today : the British and European scene (1976)
0.02
0.018497556 = product of:
0.036995113 = sum of:
0.036995113 = product of:
0.073990226 = sum of:
0.073990226 = weight(_text_:22 in 2567) [ClassicSimilarity], result of:
0.073990226 = score(doc=2567,freq=2.0), product of:
0.15936506 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045509085 = queryNorm
0.46428138 = fieldWeight in 2567, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=2567)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.22-29
-
Salton, G.; Wong, A.; Yang, C.S.: ¬A vector space model for automatic indexing (1975)
0.02
0.016018637 = product of:
0.032037273 = sum of:
0.032037273 = product of:
0.064074546 = sum of:
0.064074546 = weight(_text_:k in 1934) [ClassicSimilarity], result of:
0.064074546 = score(doc=1934,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.39440846 = fieldWeight in 1934, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.078125 = fieldNorm(doc=1934)
0.5 = coord(1/2)
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.273-280.
