Document (#19927)

Author

Luhn, H.P.

Title

¬The automatic derivation of information retrieval encodements from machine-readable texts

Source

Information retrieval and machine translation. Vol.3. Pt.2. Ed. A. Kent

Imprint

New York : Interscience

Year

1961

Pages

S.1021-1028

Footnote

Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.21-24.

Similar documents (author)

1. Luhn, H.P.: Keyword-in-context index for technical literature (1960) 6.10

   6.0972233 = sum of:
     6.0972233 = weight(author_txt:luhn in 4996) [ClassicSimilarity], result of:
       6.0972233 = fieldWeight in 4996, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.755557 = idf(docFreq=6, maxDocs=44421)
         0.625 = fieldNorm(doc=4996)
   

2. Luhn, H.P.: ¬A statistical approach to the mechanical encoding and searching of literary information (1957) 6.10

   6.0972233 = sum of:
     6.0972233 = weight(author_txt:luhn in 5452) [ClassicSimilarity], result of:
       6.0972233 = fieldWeight in 5452, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.755557 = idf(docFreq=6, maxDocs=44421)
         0.625 = fieldNorm(doc=5452)
   

3. Luhn, G.: ¬Die riskierte Vernunft : Technisches Handeln und Wissen im Kontext einer Inversen Semantik (2000) 6.10

   6.0972233 = sum of:
     6.0972233 = weight(author_txt:luhn in 6998) [ClassicSimilarity], result of:
       6.0972233 = fieldWeight in 6998, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.755557 = idf(docFreq=6, maxDocs=44421)
         0.625 = fieldNorm(doc=6998)
   

4. Luhn, H.P.: Keyword-in-context index for technical literature (1985) 6.10

   6.0972233 = sum of:
     6.0972233 = weight(author_txt:luhn in 4638) [ClassicSimilarity], result of:
       6.0972233 = fieldWeight in 4638, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.755557 = idf(docFreq=6, maxDocs=44421)
         0.625 = fieldNorm(doc=4638)
   

5. Luhn, H.P.: Keyword-in-context index for technical literature : KWIC index (1959) 6.10

   6.0972233 = sum of:
     6.0972233 = weight(author_txt:luhn in 2780) [ClassicSimilarity], result of:
       6.0972233 = fieldWeight in 2780, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.755557 = idf(docFreq=6, maxDocs=44421)
         0.625 = fieldNorm(doc=2780)
   

Similar documents (content)

1. Coombs, J.H.; Renear, A.H.; DeRose, S.J.: Markup systems and the future of scholarly text processing (1987) 0.51

   0.50946146 = sum of:
     0.50946146 = product of:
       1.3585639 = sum of:
         0.3337244 = weight(abstract_txt:machine in 1593) [ClassicSimilarity], result of:
           0.3337244 = score(doc=1593,freq=1.0), product of:
             0.2892139 = queryWeight, product of:
               2.180735 = boost
               5.274979 = idf(docFreq=617, maxDocs=44421)
               0.02514175 = queryNorm
             1.1539017 = fieldWeight in 1593, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.274979 = idf(docFreq=617, maxDocs=44421)
               0.21875 = fieldNorm(doc=1593)
         0.4074061 = weight(abstract_txt:texts in 1593) [ClassicSimilarity], result of:
           0.4074061 = score(doc=1593,freq=1.0), product of:
             0.33035347 = queryWeight, product of:
               2.3306806 = boost
               5.6376824 = idf(docFreq=429, maxDocs=44421)
               0.02514175 = queryNorm
             1.233243 = fieldWeight in 1593, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.6376824 = idf(docFreq=429, maxDocs=44421)
               0.21875 = fieldNorm(doc=1593)
         0.61743337 = weight(abstract_txt:readable in 1593) [ClassicSimilarity], result of:
           0.61743337 = score(doc=1593,freq=1.0), product of:
             0.43586692 = queryWeight, product of:
               2.6771352 = boost
               6.475721 = idf(docFreq=185, maxDocs=44421)
               0.02514175 = queryNorm
             1.416564 = fieldWeight in 1593, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.475721 = idf(docFreq=185, maxDocs=44421)
               0.21875 = fieldNorm(doc=1593)
       0.375 = coord(3/8)
   

2. Sebastiani, F.: Classification of text, automatic (2006) 0.46

   0.46261227 = sum of:
     0.46261227 = product of:
       0.61681634 = sum of:
         0.013791213 = weight(abstract_txt:information in 3) [ClassicSimilarity], result of:
           0.013791213 = score(doc=3,freq=1.0), product of:
             0.060815368 = queryWeight, product of:
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.02514175 = queryNorm
             0.22677183 = fieldWeight in 3, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.09375 = fieldNorm(doc=3)
         0.03546117 = weight(abstract_txt:from in 3) [ClassicSimilarity], result of:
           0.03546117 = score(doc=3,freq=3.0), product of:
             0.07914194 = queryWeight, product of:
               1.1407663 = boost
               2.759399 = idf(docFreq=7646, maxDocs=44421)
               0.02514175 = queryNorm
             0.44807053 = fieldWeight in 3, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               2.759399 = idf(docFreq=7646, maxDocs=44421)
               0.09375 = fieldNorm(doc=3)
         0.04094262 = weight(abstract_txt:retrieval in 3) [ClassicSimilarity], result of:
           0.04094262 = score(doc=3,freq=1.0), product of:
             0.12562096 = queryWeight, product of:
               1.4372238 = boost
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.02514175 = queryNorm
             0.3259219 = fieldWeight in 3, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.09375 = fieldNorm(doc=3)
         0.1366712 = weight(abstract_txt:automatic in 3) [ClassicSimilarity], result of:
           0.1366712 = score(doc=3,freq=1.0), product of:
             0.2805841 = queryWeight, product of:
               2.1479535 = boost
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.02514175 = queryNorm
             0.48709533 = fieldWeight in 3, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.09375 = fieldNorm(doc=3)
         0.14302474 = weight(abstract_txt:machine in 3) [ClassicSimilarity], result of:
           0.14302474 = score(doc=3,freq=1.0), product of:
             0.2892139 = queryWeight, product of:
               2.180735 = boost
               5.274979 = idf(docFreq=617, maxDocs=44421)
               0.02514175 = queryNorm
             0.4945293 = fieldWeight in 3, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.274979 = idf(docFreq=617, maxDocs=44421)
               0.09375 = fieldNorm(doc=3)
         0.2469254 = weight(abstract_txt:texts in 3) [ClassicSimilarity], result of:
           0.2469254 = score(doc=3,freq=2.0), product of:
             0.33035347 = queryWeight, product of:
               2.3306806 = boost
               5.6376824 = idf(docFreq=429, maxDocs=44421)
               0.02514175 = queryNorm
             0.74745816 = fieldWeight in 3, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.6376824 = idf(docFreq=429, maxDocs=44421)
               0.09375 = fieldNorm(doc=3)
       0.75 = coord(6/8)
   

3. Gopestake, A.: Acquisition of lexical translation relations from MRDS (1994/95) 0.42

   0.42187756 = sum of:
     0.42187756 = product of:
       0.6750041 = sum of:
         0.016089749 = weight(abstract_txt:information in 4141) [ClassicSimilarity], result of:
           0.016089749 = score(doc=4141,freq=1.0), product of:
             0.060815368 = queryWeight, product of:
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.02514175 = queryNorm
             0.26456714 = fieldWeight in 4141, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.109375 = fieldNorm(doc=4141)
         0.023885768 = weight(abstract_txt:from in 4141) [ClassicSimilarity], result of:
           0.023885768 = score(doc=4141,freq=1.0), product of:
             0.07914194 = queryWeight, product of:
               1.1407663 = boost
               2.759399 = idf(docFreq=7646, maxDocs=44421)
               0.02514175 = queryNorm
             0.30180925 = fieldWeight in 4141, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.759399 = idf(docFreq=7646, maxDocs=44421)
               0.109375 = fieldNorm(doc=4141)
         0.15944974 = weight(abstract_txt:automatic in 4141) [ClassicSimilarity], result of:
           0.15944974 = score(doc=4141,freq=1.0), product of:
             0.2805841 = queryWeight, product of:
               2.1479535 = boost
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.02514175 = queryNorm
             0.5682779 = fieldWeight in 4141, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.109375 = fieldNorm(doc=4141)
         0.1668622 = weight(abstract_txt:machine in 4141) [ClassicSimilarity], result of:
           0.1668622 = score(doc=4141,freq=1.0), product of:
             0.2892139 = queryWeight, product of:
               2.180735 = boost
               5.274979 = idf(docFreq=617, maxDocs=44421)
               0.02514175 = queryNorm
             0.57695085 = fieldWeight in 4141, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.274979 = idf(docFreq=617, maxDocs=44421)
               0.109375 = fieldNorm(doc=4141)
         0.30871668 = weight(abstract_txt:readable in 4141) [ClassicSimilarity], result of:
           0.30871668 = score(doc=4141,freq=1.0), product of:
             0.43586692 = queryWeight, product of:
               2.6771352 = boost
               6.475721 = idf(docFreq=185, maxDocs=44421)
               0.02514175 = queryNorm
             0.708282 = fieldWeight in 4141, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.475721 = idf(docFreq=185, maxDocs=44421)
               0.109375 = fieldNorm(doc=4141)
       0.625 = coord(5/8)
   

4. Conlon, S.P.N.; Evens, M.; Ahlswede, T.: Developing a large lexical database for information retrieval, parsing, and text generation systems (1993) 0.40

   0.4001361 = sum of:
     0.4001361 = product of:
       0.5335148 = sum of:
         0.016253099 = weight(abstract_txt:information in 5812) [ClassicSimilarity], result of:
           0.016253099 = score(doc=5812,freq=2.0), product of:
             0.060815368 = queryWeight, product of:
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.02514175 = queryNorm
             0.26725316 = fieldWeight in 5812, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.078125 = fieldNorm(doc=5812)
         0.029550975 = weight(abstract_txt:from in 5812) [ClassicSimilarity], result of:
           0.029550975 = score(doc=5812,freq=3.0), product of:
             0.07914194 = queryWeight, product of:
               1.1407663 = boost
               2.759399 = idf(docFreq=7646, maxDocs=44421)
               0.02514175 = queryNorm
             0.3733921 = fieldWeight in 5812, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               2.759399 = idf(docFreq=7646, maxDocs=44421)
               0.078125 = fieldNorm(doc=5812)
         0.03411885 = weight(abstract_txt:retrieval in 5812) [ClassicSimilarity], result of:
           0.03411885 = score(doc=5812,freq=1.0), product of:
             0.12562096 = queryWeight, product of:
               1.4372238 = boost
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.02514175 = queryNorm
             0.27160156 = fieldWeight in 5812, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.078125 = fieldNorm(doc=5812)
         0.11389267 = weight(abstract_txt:automatic in 5812) [ClassicSimilarity], result of:
           0.11389267 = score(doc=5812,freq=1.0), product of:
             0.2805841 = queryWeight, product of:
               2.1479535 = boost
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.02514175 = queryNorm
             0.40591276 = fieldWeight in 5812, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.078125 = fieldNorm(doc=5812)
         0.11918728 = weight(abstract_txt:machine in 5812) [ClassicSimilarity], result of:
           0.11918728 = score(doc=5812,freq=1.0), product of:
             0.2892139 = queryWeight, product of:
               2.180735 = boost
               5.274979 = idf(docFreq=617, maxDocs=44421)
               0.02514175 = queryNorm
             0.41210774 = fieldWeight in 5812, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.274979 = idf(docFreq=617, maxDocs=44421)
               0.078125 = fieldNorm(doc=5812)
         0.22051191 = weight(abstract_txt:readable in 5812) [ClassicSimilarity], result of:
           0.22051191 = score(doc=5812,freq=1.0), product of:
             0.43586692 = queryWeight, product of:
               2.6771352 = boost
               6.475721 = idf(docFreq=185, maxDocs=44421)
               0.02514175 = queryNorm
             0.5059157 = fieldWeight in 5812, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.475721 = idf(docFreq=185, maxDocs=44421)
               0.078125 = fieldNorm(doc=5812)
       0.75 = coord(6/8)
   

5. Nagy T., I.: Detecting multiword expressions and named entities in natural language texts (2014) 0.40

   0.39524478 = sum of:
     0.39524478 = product of:
       0.52699304 = sum of:
         0.0057463385 = weight(abstract_txt:information in 2536) [ClassicSimilarity], result of:
           0.0057463385 = score(doc=2536,freq=1.0), product of:
             0.060815368 = queryWeight, product of:
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.02514175 = queryNorm
             0.09448826 = fieldWeight in 2536, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.0390625 = fieldNorm(doc=2536)
         0.012064135 = weight(abstract_txt:from in 2536) [ClassicSimilarity], result of:
           0.012064135 = score(doc=2536,freq=2.0), product of:
             0.07914194 = queryWeight, product of:
               1.1407663 = boost
               2.759399 = idf(docFreq=7646, maxDocs=44421)
               0.02514175 = queryNorm
             0.15243669 = fieldWeight in 2536, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               2.759399 = idf(docFreq=7646, maxDocs=44421)
               0.0390625 = fieldNorm(doc=2536)
         0.017059425 = weight(abstract_txt:retrieval in 2536) [ClassicSimilarity], result of:
           0.017059425 = score(doc=2536,freq=1.0), product of:
             0.12562096 = queryWeight, product of:
               1.4372238 = boost
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.02514175 = queryNorm
             0.13580078 = fieldWeight in 2536, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.0390625 = fieldNorm(doc=2536)
         0.15066583 = weight(abstract_txt:automatic in 2536) [ClassicSimilarity], result of:
           0.15066583 = score(doc=2536,freq=7.0), product of:
             0.2805841 = queryWeight, product of:
               2.1479535 = boost
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.02514175 = queryNorm
             0.5369721 = fieldWeight in 2536, product of:
               2.6457512 = tf(freq=7.0), with freq of:
                 7.0 = termFreq=7.0
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.0390625 = fieldNorm(doc=2536)
         0.17878093 = weight(abstract_txt:machine in 2536) [ClassicSimilarity], result of:
           0.17878093 = score(doc=2536,freq=9.0), product of:
             0.2892139 = queryWeight, product of:
               2.180735 = boost
               5.274979 = idf(docFreq=617, maxDocs=44421)
               0.02514175 = queryNorm
             0.6181616 = fieldWeight in 2536, product of:
               3.0 = tf(freq=9.0), with freq of:
                 9.0 = termFreq=9.0
               5.274979 = idf(docFreq=617, maxDocs=44421)
               0.0390625 = fieldNorm(doc=2536)
         0.16267638 = weight(abstract_txt:texts in 2536) [ClassicSimilarity], result of:
           0.16267638 = score(doc=2536,freq=5.0), product of:
             0.33035347 = queryWeight, product of:
               2.3306806 = boost
               5.6376824 = idf(docFreq=429, maxDocs=44421)
               0.02514175 = queryNorm
             0.49243128 = fieldWeight in 2536, product of:
               2.236068 = tf(freq=5.0), with freq of:
                 5.0 = termFreq=5.0
               5.6376824 = idf(docFreq=429, maxDocs=44421)
               0.0390625 = fieldNorm(doc=2536)
       0.75 = coord(6/8)