Document (#2273)

Author

Cleverdon, C.W.

Title

Evaluation tests of information retrieval systems

Source

Journal of documentation. 26(1970), S.55-67

Year

1970

Theme

Indexierungsstudien

Object

Cranfield

Similar documents (author)

1. Cleverdon, C.W.: On the inverse relationship of recall and precision (1972) 5.81

   5.81187 = sum of:
     5.81187 = weight(author_txt:cleverdon in 1843) [ClassicSimilarity], result of:
       5.81187 = fieldWeight in 1843, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.298992 = idf(docFreq=10, maxDocs=44218)
         0.625 = fieldNorm(doc=1843)
   

2. Cleverdon, C.W.: Aslib Cranfield research project : report on the testing and analysis of an investigation into the comparative efficiency of indexing systems (1962) 5.81

   5.81187 = sum of:
     5.81187 = weight(author_txt:cleverdon in 2741) [ClassicSimilarity], result of:
       5.81187 = fieldWeight in 2741, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.298992 = idf(docFreq=10, maxDocs=44218)
         0.625 = fieldNorm(doc=2741)
   

3. Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960) 5.81

   5.81187 = sum of:
     5.81187 = weight(author_txt:cleverdon in 6158) [ClassicSimilarity], result of:
       5.81187 = fieldWeight in 6158, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.298992 = idf(docFreq=10, maxDocs=44218)
         0.625 = fieldNorm(doc=6158)
   

4. Cleverdon, C.W.: Design and evaluation of information systems (1971) 5.81

   5.81187 = sum of:
     5.81187 = weight(author_txt:cleverdon in 248) [ClassicSimilarity], result of:
       5.81187 = fieldWeight in 248, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.298992 = idf(docFreq=10, maxDocs=44218)
         0.625 = fieldNorm(doc=248)
   

5. Cleverdon, C.W.: ¬The Cranfield tests on index language devices (1967) 5.81

   5.81187 = sum of:
     5.81187 = weight(author_txt:cleverdon in 1957) [ClassicSimilarity], result of:
       5.81187 = fieldWeight in 1957, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.298992 = idf(docFreq=10, maxDocs=44218)
         0.625 = fieldNorm(doc=1957)
   

Similar documents (content)

1. Parapar, J.; Losada, D.E.; Presedo-Quindimil, M.A.; Barreiro, A.: Using score distributions to compare statistical significance tests for information retrieval evaluation (2020) 1.17

   1.1650783 = sum of:
     1.1650783 = sum of:
       0.019425806 = weight(abstract_txt:information in 5506) [ClassicSimilarity], result of:
         0.019425806 = score(doc=5506,freq=1.0), product of:
           0.12838487 = queryWeight, product of:
             2.4209464 = idf(docFreq=10677, maxDocs=44218)
             0.053030863 = queryNorm
           0.15130915 = fieldWeight in 5506, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             2.4209464 = idf(docFreq=10677, maxDocs=44218)
             0.0625 = fieldNorm(doc=5506)
       0.076898724 = weight(abstract_txt:systems in 5506) [ClassicSimilarity], result of:
         0.076898724 = score(doc=5506,freq=2.0), product of:
           0.25499436 = queryWeight, product of:
             1.409316 = boost
             3.4118783 = idf(docFreq=3963, maxDocs=44218)
             0.053030863 = queryNorm
           0.3015703 = fieldWeight in 5506, product of:
             1.4142135 = tf(freq=2.0), with freq of:
               2.0 = termFreq=2.0
             3.4118783 = idf(docFreq=3963, maxDocs=44218)
             0.0625 = fieldNorm(doc=5506)
       0.08125595 = weight(abstract_txt:retrieval in 5506) [ClassicSimilarity], result of:
         0.08125595 = score(doc=5506,freq=2.0), product of:
           0.26453793 = queryWeight, product of:
             1.4354466 = boost
             3.4751394 = idf(docFreq=3720, maxDocs=44218)
             0.053030863 = queryNorm
           0.3071618 = fieldWeight in 5506, product of:
             1.4142135 = tf(freq=2.0), with freq of:
               2.0 = termFreq=2.0
             3.4751394 = idf(docFreq=3720, maxDocs=44218)
             0.0625 = fieldNorm(doc=5506)
       0.17479795 = weight(abstract_txt:evaluation in 5506) [ClassicSimilarity], result of:
         0.17479795 = score(doc=5506,freq=2.0), product of:
           0.4408343 = queryWeight, product of:
             1.8530228 = boost
             4.4860687 = idf(docFreq=1353, maxDocs=44218)
             0.053030863 = queryNorm
           0.3965162 = fieldWeight in 5506, product of:
             1.4142135 = tf(freq=2.0), with freq of:
               2.0 = termFreq=2.0
             4.4860687 = idf(docFreq=1353, maxDocs=44218)
             0.0625 = fieldNorm(doc=5506)
       0.81269985 = weight(abstract_txt:tests in 5506) [ClassicSimilarity], result of:
         0.81269985 = score(doc=5506,freq=7.0), product of:
           0.8088139 = queryWeight, product of:
             2.5099633 = boost
             6.0764866 = idf(docFreq=275, maxDocs=44218)
             0.053030863 = queryNorm
           1.0048045 = fieldWeight in 5506, product of:
             2.6457512 = tf(freq=7.0), with freq of:
               7.0 = termFreq=7.0
             6.0764866 = idf(docFreq=275, maxDocs=44218)
             0.0625 = fieldNorm(doc=5506)
   

2. Saracevic, T.: Effects of inconsistent relevance judgments on information retrieval test results : a historical perspective (2008) 1.07

   1.0703417 = sum of:
     1.0703417 = sum of:
       0.033646483 = weight(abstract_txt:information in 5585) [ClassicSimilarity], result of:
         0.033646483 = score(doc=5585,freq=3.0), product of:
           0.12838487 = queryWeight, product of:
             2.4209464 = idf(docFreq=10677, maxDocs=44218)
             0.053030863 = queryNorm
           0.26207513 = fieldWeight in 5585, product of:
             1.7320508 = tf(freq=3.0), with freq of:
               3.0 = termFreq=3.0
             2.4209464 = idf(docFreq=10677, maxDocs=44218)
             0.0625 = fieldNorm(doc=5585)
       0.108751215 = weight(abstract_txt:systems in 5585) [ClassicSimilarity], result of:
         0.108751215 = score(doc=5585,freq=4.0), product of:
           0.25499436 = queryWeight, product of:
             1.409316 = boost
             3.4118783 = idf(docFreq=3963, maxDocs=44218)
             0.053030863 = queryNorm
           0.4264848 = fieldWeight in 5585, product of:
             2.0 = tf(freq=4.0), with freq of:
               4.0 = termFreq=4.0
             3.4118783 = idf(docFreq=3963, maxDocs=44218)
             0.0625 = fieldNorm(doc=5585)
       0.09951781 = weight(abstract_txt:retrieval in 5585) [ClassicSimilarity], result of:
         0.09951781 = score(doc=5585,freq=3.0), product of:
           0.26453793 = queryWeight, product of:
             1.4354466 = boost
             3.4751394 = idf(docFreq=3720, maxDocs=44218)
             0.053030863 = queryNorm
           0.37619486 = fieldWeight in 5585, product of:
             1.7320508 = tf(freq=3.0), with freq of:
               3.0 = termFreq=3.0
             3.4751394 = idf(docFreq=3720, maxDocs=44218)
             0.0625 = fieldNorm(doc=5585)
       0.21408288 = weight(abstract_txt:evaluation in 5585) [ClassicSimilarity], result of:
         0.21408288 = score(doc=5585,freq=3.0), product of:
           0.4408343 = queryWeight, product of:
             1.8530228 = boost
             4.4860687 = idf(docFreq=1353, maxDocs=44218)
             0.053030863 = queryNorm
           0.48563117 = fieldWeight in 5585, product of:
             1.7320508 = tf(freq=3.0), with freq of:
               3.0 = termFreq=3.0
             4.4860687 = idf(docFreq=1353, maxDocs=44218)
             0.0625 = fieldNorm(doc=5585)
       0.61434335 = weight(abstract_txt:tests in 5585) [ClassicSimilarity], result of:
         0.61434335 = score(doc=5585,freq=4.0), product of:
           0.8088139 = queryWeight, product of:
             2.5099633 = boost
             6.0764866 = idf(docFreq=275, maxDocs=44218)
             0.053030863 = queryNorm
           0.7595608 = fieldWeight in 5585, product of:
             2.0 = tf(freq=4.0), with freq of:
               4.0 = termFreq=4.0
             6.0764866 = idf(docFreq=275, maxDocs=44218)
             0.0625 = fieldNorm(doc=5585)
   

3. Tague-Sutcliffe, J.M.: Some perspectives on the evaluation of information retrieval systems (1996) 1.02

   1.0228639 = sum of:
     1.0228639 = sum of:
       0.041208357 = weight(abstract_txt:information in 4163) [ClassicSimilarity], result of:
         0.041208357 = score(doc=4163,freq=2.0), product of:
           0.12838487 = queryWeight, product of:
             2.4209464 = idf(docFreq=10677, maxDocs=44218)
             0.053030863 = queryNorm
           0.32097518 = fieldWeight in 4163, product of:
             1.4142135 = tf(freq=2.0), with freq of:
               2.0 = termFreq=2.0
             2.4209464 = idf(docFreq=10677, maxDocs=44218)
             0.09375 = fieldNorm(doc=4163)
       0.16312683 = weight(abstract_txt:systems in 4163) [ClassicSimilarity], result of:
         0.16312683 = score(doc=4163,freq=4.0), product of:
           0.25499436 = queryWeight, product of:
             1.409316 = boost
             3.4118783 = idf(docFreq=3963, maxDocs=44218)
             0.053030863 = queryNorm
           0.6397272 = fieldWeight in 4163, product of:
             2.0 = tf(freq=4.0), with freq of:
               4.0 = termFreq=4.0
             3.4118783 = idf(docFreq=3963, maxDocs=44218)
             0.09375 = fieldNorm(doc=4163)
       0.1723699 = weight(abstract_txt:retrieval in 4163) [ClassicSimilarity], result of:
         0.1723699 = score(doc=4163,freq=4.0), product of:
           0.26453793 = queryWeight, product of:
             1.4354466 = boost
             3.4751394 = idf(docFreq=3720, maxDocs=44218)
             0.053030863 = queryNorm
           0.6515886 = fieldWeight in 4163, product of:
             2.0 = tf(freq=4.0), with freq of:
               4.0 = termFreq=4.0
             3.4751394 = idf(docFreq=3720, maxDocs=44218)
             0.09375 = fieldNorm(doc=4163)
       0.18540122 = weight(abstract_txt:evaluation in 4163) [ClassicSimilarity], result of:
         0.18540122 = score(doc=4163,freq=1.0), product of:
           0.4408343 = queryWeight, product of:
             1.8530228 = boost
             4.4860687 = idf(docFreq=1353, maxDocs=44218)
             0.053030863 = queryNorm
           0.42056894 = fieldWeight in 4163, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             4.4860687 = idf(docFreq=1353, maxDocs=44218)
             0.09375 = fieldNorm(doc=4163)
       0.46075752 = weight(abstract_txt:tests in 4163) [ClassicSimilarity], result of:
         0.46075752 = score(doc=4163,freq=1.0), product of:
           0.8088139 = queryWeight, product of:
             2.5099633 = boost
             6.0764866 = idf(docFreq=275, maxDocs=44218)
             0.053030863 = queryNorm
           0.5696706 = fieldWeight in 4163, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             6.0764866 = idf(docFreq=275, maxDocs=44218)
             0.09375 = fieldNorm(doc=4163)
   

4. Morse, E.; Lewis, M.; Olsen, K.A.: Testing visual information retrieval methodologies case study : comparative analysis of textual, icon, graphical, and "spring" displays (2002) 0.95

   0.95362616 = sum of:
     0.95362616 = sum of:
       0.02913871 = weight(abstract_txt:information in 191) [ClassicSimilarity], result of:
         0.02913871 = score(doc=191,freq=1.0), product of:
           0.12838487 = queryWeight, product of:
             2.4209464 = idf(docFreq=10677, maxDocs=44218)
             0.053030863 = queryNorm
           0.22696373 = fieldWeight in 191, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             2.4209464 = idf(docFreq=10677, maxDocs=44218)
             0.09375 = fieldNorm(doc=191)
       0.115348086 = weight(abstract_txt:systems in 191) [ClassicSimilarity], result of:
         0.115348086 = score(doc=191,freq=2.0), product of:
           0.25499436 = queryWeight, product of:
             1.409316 = boost
             3.4118783 = idf(docFreq=3963, maxDocs=44218)
             0.053030863 = queryNorm
           0.45235544 = fieldWeight in 191, product of:
             1.4142135 = tf(freq=2.0), with freq of:
               2.0 = termFreq=2.0
             3.4118783 = idf(docFreq=3963, maxDocs=44218)
             0.09375 = fieldNorm(doc=191)
       0.08618495 = weight(abstract_txt:retrieval in 191) [ClassicSimilarity], result of:
         0.08618495 = score(doc=191,freq=1.0), product of:
           0.26453793 = queryWeight, product of:
             1.4354466 = boost
             3.4751394 = idf(docFreq=3720, maxDocs=44218)
             0.053030863 = queryNorm
           0.3257943 = fieldWeight in 191, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             3.4751394 = idf(docFreq=3720, maxDocs=44218)
             0.09375 = fieldNorm(doc=191)
       0.26219693 = weight(abstract_txt:evaluation in 191) [ClassicSimilarity], result of:
         0.26219693 = score(doc=191,freq=2.0), product of:
           0.4408343 = queryWeight, product of:
             1.8530228 = boost
             4.4860687 = idf(docFreq=1353, maxDocs=44218)
             0.053030863 = queryNorm
           0.5947743 = fieldWeight in 191, product of:
             1.4142135 = tf(freq=2.0), with freq of:
               2.0 = termFreq=2.0
             4.4860687 = idf(docFreq=1353, maxDocs=44218)
             0.09375 = fieldNorm(doc=191)
       0.46075752 = weight(abstract_txt:tests in 191) [ClassicSimilarity], result of:
         0.46075752 = score(doc=191,freq=1.0), product of:
           0.8088139 = queryWeight, product of:
             2.5099633 = boost
             6.0764866 = idf(docFreq=275, maxDocs=44218)
             0.053030863 = queryNorm
           0.5696706 = fieldWeight in 191, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             6.0764866 = idf(docFreq=275, maxDocs=44218)
             0.09375 = fieldNorm(doc=191)
   

5. Behnert, C.; Lewandowski, D.: ¬A framework for designing retrieval effectiveness studies of library information systems using human relevance assessments (2017) 0.87

   0.8723204 = sum of:
     0.8723204 = sum of:
       0.051395852 = weight(abstract_txt:information in 3700) [ClassicSimilarity], result of:
         0.051395852 = score(doc=3700,freq=7.0), product of:
           0.12838487 = queryWeight, product of:
             2.4209464 = idf(docFreq=10677, maxDocs=44218)
             0.053030863 = queryNorm
           0.40032637 = fieldWeight in 3700, product of:
             2.6457512 = tf(freq=7.0), with freq of:
               7.0 = termFreq=7.0
             2.4209464 = idf(docFreq=10677, maxDocs=44218)
             0.0625 = fieldNorm(doc=3700)
       0.094181314 = weight(abstract_txt:systems in 3700) [ClassicSimilarity], result of:
         0.094181314 = score(doc=3700,freq=3.0), product of:
           0.25499436 = queryWeight, product of:
             1.409316 = boost
             3.4118783 = idf(docFreq=3963, maxDocs=44218)
             0.053030863 = queryNorm
           0.36934665 = fieldWeight in 3700, product of:
             1.7320508 = tf(freq=3.0), with freq of:
               3.0 = termFreq=3.0
             3.4118783 = idf(docFreq=3963, maxDocs=44218)
             0.0625 = fieldNorm(doc=3700)
       0.1723699 = weight(abstract_txt:retrieval in 3700) [ClassicSimilarity], result of:
         0.1723699 = score(doc=3700,freq=9.0), product of:
           0.26453793 = queryWeight, product of:
             1.4354466 = boost
             3.4751394 = idf(docFreq=3720, maxDocs=44218)
             0.053030863 = queryNorm
           0.6515886 = fieldWeight in 3700, product of:
             3.0 = tf(freq=9.0), with freq of:
               9.0 = termFreq=9.0
             3.4751394 = idf(docFreq=3720, maxDocs=44218)
             0.0625 = fieldNorm(doc=3700)
       0.24720162 = weight(abstract_txt:evaluation in 3700) [ClassicSimilarity], result of:
         0.24720162 = score(doc=3700,freq=4.0), product of:
           0.4408343 = queryWeight, product of:
             1.8530228 = boost
             4.4860687 = idf(docFreq=1353, maxDocs=44218)
             0.053030863 = queryNorm
           0.5607586 = fieldWeight in 3700, product of:
             2.0 = tf(freq=4.0), with freq of:
               4.0 = termFreq=4.0
             4.4860687 = idf(docFreq=1353, maxDocs=44218)
             0.0625 = fieldNorm(doc=3700)
       0.30717167 = weight(abstract_txt:tests in 3700) [ClassicSimilarity], result of:
         0.30717167 = score(doc=3700,freq=1.0), product of:
           0.8088139 = queryWeight, product of:
             2.5099633 = boost
             6.0764866 = idf(docFreq=275, maxDocs=44218)
             0.053030863 = queryNorm
           0.3797804 = fieldWeight in 3700, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             6.0764866 = idf(docFreq=275, maxDocs=44218)
             0.0625 = fieldNorm(doc=3700)