Document (#25410)

Author

Efremenkova, V.M.
Kamenskaya, M.A.
Khutoretskii, V.M.

Title

Sootnoshenien klassifikasionnykh sistem bazy dannykh Chemical Abstracts i sootvetstvuyushchikh ei chastei sistemy baz dannykh VINITI

Source

Nauchno- Tekhnicheskaya Informatsiya; Series 2. 1999, no.12, S.20-24

Year

1999

Footnote

Übers. des Titels: Comparison of classification systems used by Chemical Abstracts and by the All-Russian Institute of Scientific and Technical Information in the corresponding section of the VINITI database

Theme

Informationsmittel

Field

Chemie

Object

Chemical Abstracts
VINITI

Similar documents (content)

1. Braslavskii, P.I.; Gol'dshtein, S.L.; Tkachenko, T.Y.: Tezaurus kak sredstvo opisanii sistem znanii (1997) 1.05

   1.0486144 = sum of:
     1.0486144 = product of:
       3.145843 = sum of:
         3.145843 = weight(title_txt:sistem in 2448) [ClassicSimilarity], result of:
           3.145843 = score(doc=2448,freq=1.0), product of:
             0.846535 = queryWeight, product of:
               1.6622356 = boost
               9.909708 = idf(docFreq=5, maxDocs=44421)
               0.051391523 = queryNorm
             3.7161405 = fieldWeight in 2448, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.909708 = idf(docFreq=5, maxDocs=44421)
               0.375 = fieldNorm(doc=2448)
       0.33333334 = coord(1/3)
   

2. Tupchienko-Kadyrova, L.G.: Ob odnom podkhode k ponimaniyu gipertekstovykh sistem (1998) 1.05

   1.0486144 = sum of:
     1.0486144 = product of:
       3.145843 = sum of:
         3.145843 = weight(title_txt:sistem in 1384) [ClassicSimilarity], result of:
           3.145843 = score(doc=1384,freq=1.0), product of:
             0.846535 = queryWeight, product of:
               1.6622356 = boost
               9.909708 = idf(docFreq=5, maxDocs=44421)
               0.051391523 = queryNorm
             3.7161405 = fieldWeight in 1384, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.909708 = idf(docFreq=5, maxDocs=44421)
               0.375 = fieldNorm(doc=1384)
       0.33333334 = coord(1/3)
   

3. Zakharov, V.P.; Pimenov, E.N.: Estetsvenno-yazykovoi podkhod k sozdaniyu lingvisticheskogo obespecheniya informatsiionno-poiskovykh sistem (1997) 0.87

   0.8738453 = sum of:
     0.8738453 = product of:
       2.6215358 = sum of:
         2.6215358 = weight(title_txt:sistem in 3240) [ClassicSimilarity], result of:
           2.6215358 = score(doc=3240,freq=1.0), product of:
             0.846535 = queryWeight, product of:
               1.6622356 = boost
               9.909708 = idf(docFreq=5, maxDocs=44421)
               0.051391523 = queryNorm
             3.0967836 = fieldWeight in 3240, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.909708 = idf(docFreq=5, maxDocs=44421)
               0.3125 = fieldNorm(doc=3240)
       0.33333334 = coord(1/3)
   

4. Sokirko, A.V.: Obzor zarubezhnykh sistem avtomaticheskoi obrabotki teksta, ispol'zuyushchikh poverkhnosto-semanticheskoe predstavlenie, i mashinnykh sematicheskikh slovarei (2000) 0.70

   0.6990763 = sum of:
     0.6990763 = product of:
       2.0972288 = sum of:
         2.0972288 = weight(title_txt:sistem in 484) [ClassicSimilarity], result of:
           2.0972288 = score(doc=484,freq=1.0), product of:
             0.846535 = queryWeight, product of:
               1.6622356 = boost
               9.909708 = idf(docFreq=5, maxDocs=44421)
               0.051391523 = queryNorm
             2.477427 = fieldWeight in 484, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.909708 = idf(docFreq=5, maxDocs=44421)
               0.25 = fieldNorm(doc=484)
       0.33333334 = coord(1/3)
   

5. Wilks, E.S.: Polymer nomenclature and structure: a comparison of systems used by CAS, IUPAC, MDL, and DuPont : 1. Regular single-strand organic polymers (1997) 0.65

   0.64599276 = sum of:
     0.64599276 = product of:
       0.96898913 = sum of:
         0.28539613 = weight(abstract_txt:abstracts in 988) [ClassicSimilarity], result of:
           0.28539613 = score(doc=988,freq=1.0), product of:
             0.30637956 = queryWeight, product of:
               5.9616747 = idf(docFreq=310, maxDocs=44421)
               0.051391523 = queryNorm
             0.93151164 = fieldWeight in 988, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.9616747 = idf(docFreq=310, maxDocs=44421)
               0.15625 = fieldNorm(doc=988)
         0.683593 = weight(abstract_txt:chemical in 988) [ClassicSimilarity], result of:
           0.683593 = score(doc=988,freq=2.0), product of:
             0.43532753 = queryWeight, product of:
               1.1920053 = boost
               7.1063476 = idf(docFreq=98, maxDocs=44421)
               0.051391523 = queryNorm
             1.5702958 = fieldWeight in 988, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               7.1063476 = idf(docFreq=98, maxDocs=44421)
               0.15625 = fieldNorm(doc=988)
       0.6666667 = coord(2/3)