Document (#33209)

Author

Hitchcock, S.
Bergmark, D.
Brody, T.
Gutteridge, C.
Carr, L.
Hall, W.
Lagoze, C.
Harnad, S.

Title

Open citation linking : the way forward

Source

D-Lib magazine. 8(2002) no.10, x S

Year

2002

Abstract

The speed of scientific communication - the rate of ideas affecting other researchers' ideas - is increasing dramatically. The factor driving this is free, unrestricted access to research papers. Measurements of user activity in mature eprint archives of research papers such as arXiv have shown, for the first time, the degree to which such services support an evolving network of texts commenting on, citing, classifying, abstracting, listing and revising other texts. The Open Citation project has built tools to measure this activity, to build new archives, and has been closely involved with the development of the infrastructure to support open access on which these new services depend. This is the story of the project, intertwined with the concurrent emergence of the Open Archives Initiative (OAI). The paper describes the broad scope of the project's work, showing how it has progressed from early demonstrators of reference linking to produce Citebase, a Web-based citation and impact-ranked search service, and how it has supported the development of the EPrints.org software for building OAI-compliant archives. The work has been underpinned by analysis and experiments on the semantics of documents (digital objects) to determine the features required for formally perfect linking - instantiated as an application programming interface (API) for reference linking - that will enable other applications to build on this work in broader digital library information environments.

Footnote

Vgl.: http://dlib.ukoln.ac.uk/dlib/october02/hitchcock/10hitchcock.html.

Theme

Internet

Object

Open Citation project

Similar documents (author)

1. Brody, T.; Harnad, S.; Carr, L.: Earlier Web usage statistics as predictors of later citation impact (2006) 1.99

   1.9913619 = sum of:
     1.9913619 = product of:
       3.9827237 = sum of:
         1.9500352 = weight(author_txt:carr in 1291) [ClassicSimilarity], result of:
           1.9500352 = score(doc=1291,freq=1.0), product of:
             0.54261196 = queryWeight, product of:
               1.1735244 = boost
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.048247565 = queryNorm
             3.5937934 = fieldWeight in 1291, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.375 = fieldNorm(doc=1291)
         2.0326884 = weight(author_txt:brody in 1291) [ClassicSimilarity], result of:
           2.0326884 = score(doc=1291,freq=1.0), product of:
             0.5578382 = queryWeight, product of:
               1.1898756 = boost
               9.71698 = idf(docFreq=6, maxDocs=42740)
               0.048247565 = queryNorm
             3.6438675 = fieldWeight in 1291, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.71698 = idf(docFreq=6, maxDocs=42740)
               0.375 = fieldNorm(doc=1291)
       0.5 = coord(2/4)
   

2. Carr, L.; Davis, H.; Hall, W.: Experimenting with HyTime architectural forms for hypertext interchange (1993) 1.58

   1.5783215 = sum of:
     1.5783215 = product of:
       3.156643 = sum of:
         1.2066078 = weight(author_txt:hall in 6617) [ClassicSimilarity], result of:
           1.2066078 = score(doc=6617,freq=1.0), product of:
             0.39400807 = queryWeight, product of:
               8.166383 = idf(docFreq=32, maxDocs=42740)
               0.048247565 = queryNorm
             3.0623937 = fieldWeight in 6617, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.166383 = idf(docFreq=32, maxDocs=42740)
               0.375 = fieldNorm(doc=6617)
         1.9500352 = weight(author_txt:carr in 6617) [ClassicSimilarity], result of:
           1.9500352 = score(doc=6617,freq=1.0), product of:
             0.54261196 = queryWeight, product of:
               1.1735244 = boost
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.048247565 = queryNorm
             3.5937934 = fieldWeight in 6617, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.375 = fieldNorm(doc=6617)
       0.5 = coord(2/4)
   

3. Wills, G.; Miles-Board, T.; Bailey, C.; Carr, L.; Gee, Q.; Hall, W.; Grange, S.: ¬The dynamic review journal : a scholarly archive (2005) 1.05

   1.0522144 = sum of:
     1.0522144 = product of:
       2.1044288 = sum of:
         0.80440515 = weight(author_txt:hall in 919) [ClassicSimilarity], result of:
           0.80440515 = score(doc=919,freq=1.0), product of:
             0.39400807 = queryWeight, product of:
               8.166383 = idf(docFreq=32, maxDocs=42740)
               0.048247565 = queryNorm
             2.0415957 = fieldWeight in 919, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.166383 = idf(docFreq=32, maxDocs=42740)
               0.25 = fieldNorm(doc=919)
         1.3000236 = weight(author_txt:carr in 919) [ClassicSimilarity], result of:
           1.3000236 = score(doc=919,freq=1.0), product of:
             0.54261196 = queryWeight, product of:
               1.1735244 = boost
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.048247565 = queryNorm
             2.3958623 = fieldWeight in 919, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.25 = fieldNorm(doc=919)
       0.5 = coord(2/4)
   

4. Brody, R.: End-users in 1993 : after a decade (1993) 0.85

   0.8469535 = sum of:
     0.8469535 = product of:
       3.387814 = sum of:
         3.387814 = weight(author_txt:brody in 4872) [ClassicSimilarity], result of:
           3.387814 = score(doc=4872,freq=1.0), product of:
             0.5578382 = queryWeight, product of:
               1.1898756 = boost
               9.71698 = idf(docFreq=6, maxDocs=42740)
               0.048247565 = queryNorm
             6.0731125 = fieldWeight in 4872, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.71698 = idf(docFreq=6, maxDocs=42740)
               0.625 = fieldNorm(doc=4872)
       0.25 = coord(1/4)
   

5. Brody, F.: Österreichische Zeitschriftendatenbank auf CD-ROM : ein Pilotprojekt an der Planungsstelle für wissenschaftliches Bibliothekswesen (1993) 0.85

   0.8469535 = sum of:
     0.8469535 = product of:
       3.387814 = sum of:
         3.387814 = weight(author_txt:brody in 7779) [ClassicSimilarity], result of:
           3.387814 = score(doc=7779,freq=1.0), product of:
             0.5578382 = queryWeight, product of:
               1.1898756 = boost
               9.71698 = idf(docFreq=6, maxDocs=42740)
               0.048247565 = queryNorm
             6.0731125 = fieldWeight in 7779, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.71698 = idf(docFreq=6, maxDocs=42740)
               0.625 = fieldNorm(doc=7779)
       0.25 = coord(1/4)
   

Similar documents (content)

1. Van de Sompel, H.; Hochstenbach, P.: Reference linking in a hybrid library environment : part 3: generalizing the SFX solution in the "SFX@Ghent & SFX@LANL" experiment (1999) 0.18

   0.18070246 = sum of:
     0.18070246 = product of:
       0.64536595 = sum of:
         0.042577855 = weight(abstract_txt:digital in 3244) [ClassicSimilarity], result of:
           0.042577855 = score(doc=3244,freq=3.0), product of:
             0.102656014 = queryWeight, product of:
               1.0371265 = boost
               4.3787556 = idf(docFreq=1456, maxDocs=42740)
               0.022604866 = queryNorm
             0.4147624 = fieldWeight in 3244, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               4.3787556 = idf(docFreq=1456, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3244)
         0.044685878 = weight(abstract_txt:reference in 3244) [ClassicSimilarity], result of:
           0.044685878 = score(doc=3244,freq=3.0), product of:
             0.10601697 = queryWeight, product of:
               1.0539676 = boost
               4.4498587 = idf(docFreq=1356, maxDocs=42740)
               0.022604866 = queryNorm
             0.4214974 = fieldWeight in 3244, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               4.4498587 = idf(docFreq=1356, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3244)
         0.019092128 = weight(abstract_txt:this in 3244) [ClassicSimilarity], result of:
           0.019092128 = score(doc=3244,freq=5.0), product of:
             0.06390848 = queryWeight, product of:
               1.1572676 = boost
               2.442996 = idf(docFreq=10095, maxDocs=42740)
               0.022604866 = queryNorm
             0.2987417 = fieldWeight in 3244, product of:
               2.236068 = tf(freq=5.0), with freq of:
                 5.0 = termFreq=5.0
               2.442996 = idf(docFreq=10095, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3244)
         0.043545287 = weight(abstract_txt:papers in 3244) [ClassicSimilarity], result of:
           0.043545287 = score(doc=3244,freq=1.0), product of:
             0.15028988 = queryWeight, product of:
               1.2548864 = boost
               5.2981396 = idf(docFreq=580, maxDocs=42740)
               0.022604866 = queryNorm
             0.289742 = fieldWeight in 3244, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.2981396 = idf(docFreq=580, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3244)
         0.019399568 = weight(abstract_txt:other in 3244) [ClassicSimilarity], result of:
           0.019399568 = score(doc=3244,freq=1.0), product of:
             0.10035232 = queryWeight, product of:
               1.2558821 = boost
               3.5348954 = idf(docFreq=3387, maxDocs=42740)
               0.022604866 = queryNorm
             0.1933146 = fieldWeight in 3244, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.5348954 = idf(docFreq=3387, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3244)
         0.09682599 = weight(abstract_txt:open in 3244) [ClassicSimilarity], result of:
           0.09682599 = score(doc=3244,freq=2.0), product of:
             0.25603357 = queryWeight, product of:
               2.3163438 = boost
               4.88981 = idf(docFreq=873, maxDocs=42740)
               0.022604866 = queryNorm
             0.37817693 = fieldWeight in 3244, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.88981 = idf(docFreq=873, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3244)
         0.3792393 = weight(abstract_txt:linking in 3244) [ClassicSimilarity], result of:
           0.3792393 = score(doc=3244,freq=8.0), product of:
             0.40076628 = queryWeight, product of:
               2.8980117 = boost
               6.117713 = idf(docFreq=255, maxDocs=42740)
               0.022604866 = queryNorm
             0.9462854 = fieldWeight in 3244, product of:
               2.828427 = tf(freq=8.0), with freq of:
                 8.0 = termFreq=8.0
               6.117713 = idf(docFreq=255, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3244)
       0.28 = coord(7/25)
   

2. Peroni, S.; Dutton, A.; Gray, T.; Shotton, D.: Setting our bibliographic references free : towards open citation data (2015) 0.15

   0.14947166 = sum of:
     0.14947166 = product of:
       0.62279856 = sum of:
         0.036856294 = weight(abstract_txt:reference in 3791) [ClassicSimilarity], result of:
           0.036856294 = score(doc=3791,freq=1.0), product of:
             0.10601697 = queryWeight, product of:
               1.0539676 = boost
               4.4498587 = idf(docFreq=1356, maxDocs=42740)
               0.022604866 = queryNorm
             0.34764522 = fieldWeight in 3791, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.4498587 = idf(docFreq=1356, maxDocs=42740)
               0.078125 = fieldNorm(doc=3791)
         0.012197513 = weight(abstract_txt:this in 3791) [ClassicSimilarity], result of:
           0.012197513 = score(doc=3791,freq=1.0), product of:
             0.06390848 = queryWeight, product of:
               1.1572676 = boost
               2.442996 = idf(docFreq=10095, maxDocs=42740)
               0.022604866 = queryNorm
             0.19085906 = fieldWeight in 3791, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.442996 = idf(docFreq=10095, maxDocs=42740)
               0.078125 = fieldNorm(doc=3791)
         0.062207557 = weight(abstract_txt:papers in 3791) [ClassicSimilarity], result of:
           0.062207557 = score(doc=3791,freq=1.0), product of:
             0.15028988 = queryWeight, product of:
               1.2548864 = boost
               5.2981396 = idf(docFreq=580, maxDocs=42740)
               0.022604866 = queryNorm
             0.41391715 = fieldWeight in 3791, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.2981396 = idf(docFreq=580, maxDocs=42740)
               0.078125 = fieldNorm(doc=3791)
         0.0856701 = weight(abstract_txt:build in 3791) [ClassicSimilarity], result of:
           0.0856701 = score(doc=3791,freq=1.0), product of:
             0.18603179 = queryWeight, product of:
               1.3961533 = boost
               5.8945694 = idf(docFreq=319, maxDocs=42740)
               0.022604866 = queryNorm
             0.46051323 = fieldWeight in 3791, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.8945694 = idf(docFreq=319, maxDocs=42740)
               0.078125 = fieldNorm(doc=3791)
         0.16708878 = weight(abstract_txt:citation in 3791) [ClassicSimilarity], result of:
           0.16708878 = score(doc=3791,freq=5.0), product of:
             0.19440447 = queryWeight, product of:
               1.7479874 = boost
               4.92001 = idf(docFreq=847, maxDocs=42740)
               0.022604866 = queryNorm
             0.8594904 = fieldWeight in 3791, product of:
               2.236068 = tf(freq=5.0), with freq of:
                 5.0 = termFreq=5.0
               4.92001 = idf(docFreq=847, maxDocs=42740)
               0.078125 = fieldNorm(doc=3791)
         0.25877836 = weight(abstract_txt:open in 3791) [ClassicSimilarity], result of:
           0.25877836 = score(doc=3791,freq=7.0), product of:
             0.25603357 = queryWeight, product of:
               2.3163438 = boost
               4.88981 = idf(docFreq=873, maxDocs=42740)
               0.022604866 = queryNorm
             1.0107205 = fieldWeight in 3791, product of:
               2.6457512 = tf(freq=7.0), with freq of:
                 7.0 = termFreq=7.0
               4.88981 = idf(docFreq=873, maxDocs=42740)
               0.078125 = fieldNorm(doc=3791)
       0.24 = coord(6/25)
   

3. Van de Sompel, H.; Hochstenbach, P.: Reference linking in a hybrid library environment : part 1: frameworks for linking (1999) 0.14

   0.14274831 = sum of:
     0.14274831 = product of:
       0.5947846 = sum of:
         0.024582338 = weight(abstract_txt:digital in 3245) [ClassicSimilarity], result of:
           0.024582338 = score(doc=3245,freq=1.0), product of:
             0.102656014 = queryWeight, product of:
               1.0371265 = boost
               4.3787556 = idf(docFreq=1456, maxDocs=42740)
               0.022604866 = queryNorm
             0.2394632 = fieldWeight in 3245, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3787556 = idf(docFreq=1456, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3245)
         0.014788698 = weight(abstract_txt:this in 3245) [ClassicSimilarity], result of:
           0.014788698 = score(doc=3245,freq=3.0), product of:
             0.06390848 = queryWeight, product of:
               1.1572676 = boost
               2.442996 = idf(docFreq=10095, maxDocs=42740)
               0.022604866 = queryNorm
             0.23140432 = fieldWeight in 3245, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               2.442996 = idf(docFreq=10095, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3245)
         0.043545287 = weight(abstract_txt:papers in 3245) [ClassicSimilarity], result of:
           0.043545287 = score(doc=3245,freq=1.0), product of:
             0.15028988 = queryWeight, product of:
               1.2548864 = boost
               5.2981396 = idf(docFreq=580, maxDocs=42740)
               0.022604866 = queryNorm
             0.289742 = fieldWeight in 3245, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.2981396 = idf(docFreq=580, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3245)
         0.019399568 = weight(abstract_txt:other in 3245) [ClassicSimilarity], result of:
           0.019399568 = score(doc=3245,freq=1.0), product of:
             0.10035232 = queryWeight, product of:
               1.2558821 = boost
               3.5348954 = idf(docFreq=3387, maxDocs=42740)
               0.022604866 = queryNorm
             0.1933146 = fieldWeight in 3245, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.5348954 = idf(docFreq=3387, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3245)
         0.06846632 = weight(abstract_txt:open in 3245) [ClassicSimilarity], result of:
           0.06846632 = score(doc=3245,freq=1.0), product of:
             0.25603357 = queryWeight, product of:
               2.3163438 = boost
               4.88981 = idf(docFreq=873, maxDocs=42740)
               0.022604866 = queryNorm
             0.2674115 = fieldWeight in 3245, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.88981 = idf(docFreq=873, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3245)
         0.42400244 = weight(abstract_txt:linking in 3245) [ClassicSimilarity], result of:
           0.42400244 = score(doc=3245,freq=10.0), product of:
             0.40076628 = queryWeight, product of:
               2.8980117 = boost
               6.117713 = idf(docFreq=255, maxDocs=42740)
               0.022604866 = queryNorm
             1.0579793 = fieldWeight in 3245, product of:
               3.1622777 = tf(freq=10.0), with freq of:
                 10.0 = termFreq=10.0
               6.117713 = idf(docFreq=255, maxDocs=42740)
               0.0546875 = fieldNorm(doc=3245)
       0.24 = coord(6/25)
   

4. Van de Sompel, H.; Hochstenbach, P.: Reference linking in a hybrid library environment : part 2: SFX, a generic linking solution (1999) 0.14

   0.13768181 = sum of:
     0.13768181 = product of:
       0.5736742 = sum of:
         0.04866041 = weight(abstract_txt:digital in 3242) [ClassicSimilarity], result of:
           0.04866041 = score(doc=3242,freq=3.0), product of:
             0.102656014 = queryWeight, product of:
               1.0371265 = boost
               4.3787556 = idf(docFreq=1456, maxDocs=42740)
               0.022604866 = queryNorm
             0.4740142 = fieldWeight in 3242, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               4.3787556 = idf(docFreq=1456, maxDocs=42740)
               0.0625 = fieldNorm(doc=3242)
         0.029485034 = weight(abstract_txt:reference in 3242) [ClassicSimilarity], result of:
           0.029485034 = score(doc=3242,freq=1.0), product of:
             0.10601697 = queryWeight, product of:
               1.0539676 = boost
               4.4498587 = idf(docFreq=1356, maxDocs=42740)
               0.022604866 = queryNorm
             0.27811617 = fieldWeight in 3242, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.4498587 = idf(docFreq=1356, maxDocs=42740)
               0.0625 = fieldNorm(doc=3242)
         0.01379991 = weight(abstract_txt:this in 3242) [ClassicSimilarity], result of:
           0.01379991 = score(doc=3242,freq=2.0), product of:
             0.06390848 = queryWeight, product of:
               1.1572676 = boost
               2.442996 = idf(docFreq=10095, maxDocs=42740)
               0.022604866 = queryNorm
             0.21593238 = fieldWeight in 3242, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               2.442996 = idf(docFreq=10095, maxDocs=42740)
               0.0625 = fieldNorm(doc=3242)
         0.028132027 = weight(abstract_txt:work in 3242) [ClassicSimilarity], result of:
           0.028132027 = score(doc=3242,freq=1.0), product of:
             0.11761754 = queryWeight, product of:
               1.3596315 = boost
               3.826916 = idf(docFreq=2529, maxDocs=42740)
               0.022604866 = queryNorm
             0.23918225 = fieldWeight in 3242, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.826916 = idf(docFreq=2529, maxDocs=42740)
               0.0625 = fieldNorm(doc=3242)
         0.07824722 = weight(abstract_txt:open in 3242) [ClassicSimilarity], result of:
           0.07824722 = score(doc=3242,freq=1.0), product of:
             0.25603357 = queryWeight, product of:
               2.3163438 = boost
               4.88981 = idf(docFreq=873, maxDocs=42740)
               0.022604866 = queryNorm
             0.30561313 = fieldWeight in 3242, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.88981 = idf(docFreq=873, maxDocs=42740)
               0.0625 = fieldNorm(doc=3242)
         0.37534958 = weight(abstract_txt:linking in 3242) [ClassicSimilarity], result of:
           0.37534958 = score(doc=3242,freq=6.0), product of:
             0.40076628 = queryWeight, product of:
               2.8980117 = boost
               6.117713 = idf(docFreq=255, maxDocs=42740)
               0.022604866 = queryNorm
             0.9365797 = fieldWeight in 3242, product of:
               2.4494898 = tf(freq=6.0), with freq of:
                 6.0 = termFreq=6.0
               6.117713 = idf(docFreq=255, maxDocs=42740)
               0.0625 = fieldNorm(doc=3242)
       0.24 = coord(6/25)
   

5. Pinfield, S.: How do physicists use an e-print archive? : implications for institutional e-print services (2001) 0.14

   0.13553813 = sum of:
     0.13553813 = product of:
       0.4235567 = sum of:
         0.039731055 = weight(abstract_txt:project in 3227) [ClassicSimilarity], result of:
           0.039731055 = score(doc=3227,freq=2.0), product of:
             0.102656014 = queryWeight, product of:
               1.0371265 = boost
               4.3787556 = idf(docFreq=1456, maxDocs=42740)
               0.022604866 = queryNorm
             0.38703096 = fieldWeight in 3227, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.3787556 = idf(docFreq=1456, maxDocs=42740)
               0.0625 = fieldNorm(doc=3227)
         0.0280941 = weight(abstract_txt:digital in 3227) [ClassicSimilarity], result of:
           0.0280941 = score(doc=3227,freq=1.0), product of:
             0.102656014 = queryWeight, product of:
               1.0371265 = boost
               4.3787556 = idf(docFreq=1456, maxDocs=42740)
               0.022604866 = queryNorm
             0.27367222 = fieldWeight in 3227, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3787556 = idf(docFreq=1456, maxDocs=42740)
               0.0625 = fieldNorm(doc=3227)
         0.11295513 = weight(abstract_txt:arxiv in 3227) [ClassicSimilarity], result of:
           0.11295513 = score(doc=3227,freq=1.0), product of:
             0.20601632 = queryWeight, product of:
               1.0389038 = boost
               8.772519 = idf(docFreq=17, maxDocs=42740)
               0.022604866 = queryNorm
             0.54828244 = fieldWeight in 3227, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.772519 = idf(docFreq=17, maxDocs=42740)
               0.0625 = fieldNorm(doc=3227)
         0.040689196 = weight(abstract_txt:support in 3227) [ClassicSimilarity], result of:
           0.040689196 = score(doc=3227,freq=2.0), product of:
             0.10429986 = queryWeight, product of:
               1.0453974 = boost
               4.4136753 = idf(docFreq=1406, maxDocs=42740)
               0.022604866 = queryNorm
             0.39011747 = fieldWeight in 3227, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.4136753 = idf(docFreq=1406, maxDocs=42740)
               0.0625 = fieldNorm(doc=3227)
         0.029485034 = weight(abstract_txt:reference in 3227) [ClassicSimilarity], result of:
           0.029485034 = score(doc=3227,freq=1.0), product of:
             0.10601697 = queryWeight, product of:
               1.0539676 = boost
               4.4498587 = idf(docFreq=1356, maxDocs=42740)
               0.022604866 = queryNorm
             0.27811617 = fieldWeight in 3227, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.4498587 = idf(docFreq=1356, maxDocs=42740)
               0.0625 = fieldNorm(doc=3227)
         0.019516021 = weight(abstract_txt:this in 3227) [ClassicSimilarity], result of:
           0.019516021 = score(doc=3227,freq=4.0), product of:
             0.06390848 = queryWeight, product of:
               1.1572676 = boost
               2.442996 = idf(docFreq=10095, maxDocs=42740)
               0.022604866 = queryNorm
             0.3053745 = fieldWeight in 3227, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               2.442996 = idf(docFreq=10095, maxDocs=42740)
               0.0625 = fieldNorm(doc=3227)
         0.022170935 = weight(abstract_txt:other in 3227) [ClassicSimilarity], result of:
           0.022170935 = score(doc=3227,freq=1.0), product of:
             0.10035232 = queryWeight, product of:
               1.2558821 = boost
               3.5348954 = idf(docFreq=3387, maxDocs=42740)
               0.022604866 = queryNorm
             0.22093096 = fieldWeight in 3227, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.5348954 = idf(docFreq=3387, maxDocs=42740)
               0.0625 = fieldNorm(doc=3227)
         0.13091521 = weight(abstract_txt:archives in 3227) [ClassicSimilarity], result of:
           0.13091521 = score(doc=3227,freq=1.0), product of:
             0.36083698 = queryWeight, product of:
               2.7498567 = boost
               5.8049574 = idf(docFreq=349, maxDocs=42740)
               0.022604866 = queryNorm
             0.36280984 = fieldWeight in 3227, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.8049574 = idf(docFreq=349, maxDocs=42740)
               0.0625 = fieldNorm(doc=3227)
       0.32 = coord(8/25)