Document (#15664)

Author

Herbig, E.

Title

¬Die Internationale Patentklassifikation

Source

Kooperation in der Klassifikation I. Proc. der Sekt.1-3 der 2. Fachtagung der Gesellschaft für Klassifikation, Frankfurt-Hoechst, 6.-7.4.1978. Bearb.: W. Dahlberg

Imprint

Frankfurt : Gesellschaft für Klassifikation

Year

1978

Pages

S.72-95

Series

Studien zur Klassifikation; Bd.2

Field

Patentinformation

Object

IPC

Similar documents (content)

1. Internationale Patentklassifikation (1974 ff.) 2.69

   2.6884387 = sum of:
     2.6884387 = product of:
       5.3768773 = sum of:
         5.3768773 = weight(title_txt:patentklassifikation in 968) [ClassicSimilarity], result of:
           5.3768773 = score(doc=968,freq=1.0), product of:
             0.8976938 = queryWeight, product of:
               1.4273553 = boost
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.06562575 = queryNorm
             5.989656 = fieldWeight in 968, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.625 = fieldNorm(doc=968)
       0.5 = coord(1/2)
   

2. Gesell, J.: Neuauflage der Internationalen Patentklassifikation : incompatibility issues of library classification systems and subject headings in subject cataloguing (1986) 2.38

   2.3818743 = sum of:
     2.3818743 = sum of:
       0.23112336 = weight(abstract_txt:internationale in 3645) [ClassicSimilarity], result of:
         0.23112336 = score(doc=3645,freq=1.0), product of:
           0.44061983 = queryWeight, product of:
             6.7141304 = idf(docFreq=140, maxDocs=42740)
             0.06562575 = queryNorm
           0.52454144 = fieldWeight in 3645, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             6.7141304 = idf(docFreq=140, maxDocs=42740)
             0.078125 = fieldNorm(doc=3645)
       2.1507509 = weight(title_txt:patentklassifikation in 3645) [ClassicSimilarity], result of:
         2.1507509 = score(doc=3645,freq=1.0), product of:
           0.8976938 = queryWeight, product of:
             1.4273553 = boost
             9.583449 = idf(docFreq=7, maxDocs=42740)
             0.06562575 = queryNorm
           2.3958623 = fieldWeight in 3645, 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=3645)
   

3. Internationale Patentklassifikation : Gesamtwerk (2001) 2.15

   2.1507509 = sum of:
     2.1507509 = product of:
       4.3015018 = sum of:
         4.3015018 = weight(title_txt:patentklassifikation in 976) [ClassicSimilarity], result of:
           4.3015018 = score(doc=976,freq=1.0), product of:
             0.8976938 = queryWeight, product of:
               1.4273553 = boost
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.06562575 = queryNorm
             4.7917247 = fieldWeight in 976, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.5 = fieldNorm(doc=976)
       0.5 = coord(1/2)
   

4. Einführung in die Handhabung der Internationalen Patentklassifikation (1977) 1.61

   1.6130631 = sum of:
     1.6130631 = product of:
       3.2261262 = sum of:
         3.2261262 = weight(title_txt:patentklassifikation in 1411) [ClassicSimilarity], result of:
           3.2261262 = score(doc=1411,freq=1.0), product of:
             0.8976938 = queryWeight, product of:
               1.4273553 = boost
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.06562575 = queryNorm
             3.5937934 = fieldWeight in 1411, 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=1411)
       0.5 = coord(1/2)
   

5. Schiffels, R.: Kategorien der Internationalen Patentklassifikation, insbesondere hinsichtlich der Einordnung von Produkten (1982) 1.34

   1.3442193 = sum of:
     1.3442193 = product of:
       2.6884387 = sum of:
         2.6884387 = weight(title_txt:patentklassifikation in 771) [ClassicSimilarity], result of:
           2.6884387 = score(doc=771,freq=1.0), product of:
             0.8976938 = queryWeight, product of:
               1.4273553 = boost
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.06562575 = queryNorm
             2.994828 = fieldWeight in 771, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.583449 = idf(docFreq=7, maxDocs=42740)
               0.3125 = fieldNorm(doc=771)
       0.5 = coord(1/2)