Document (#17359)

Title

¬Die Erfolgsstory : 20 Jahre Btx und T-Online

Source

Com!. 1997, H.8, S.30-32

Year

1997

Abstract

Auf der Funkausstellung 1977 stellte die Bundespost 'Bildschirmtext' vor. In nur 2 Jahrzehnten hat sich daraus mit T-Online Europas größter Online-Dienst entwickelt. Die wichtigsten Stationen

Object

Btx
T-Online
Datex-J

Similar documents (content)

1. Datex-J - Bildschirmtext revisited (1993) 0.33

   0.32746455 = sum of:
     0.32746455 = product of:
       1.6373228 = sum of:
         0.024030797 = weight(abstract_txt:sich in 5347) [ClassicSimilarity], result of:
           0.024030797 = score(doc=5347,freq=1.0), product of:
             0.05405055 = queryWeight, product of:
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.015196448 = queryNorm
             0.44459856 = fieldWeight in 5347, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.125 = fieldNorm(doc=5347)
         0.15197684 = weight(abstract_txt:daraus in 5347) [ClassicSimilarity], result of:
           0.15197684 = score(doc=5347,freq=1.0), product of:
             0.18484439 = queryWeight, product of:
               1.8492817 = boost
               6.5775037 = idf(docFreq=167, maxDocs=44421)
               0.015196448 = queryNorm
             0.82218796 = fieldWeight in 5347, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.5775037 = idf(docFreq=167, maxDocs=44421)
               0.125 = fieldNorm(doc=5347)
         1.4613152 = weight(title_txt:bildschirmtext in 5347) [ClassicSimilarity], result of:
           1.4613152 = score(doc=5347,freq=1.0), product of:
             0.33169883 = queryWeight, product of:
               2.4772618 = boost
               8.811096 = idf(docFreq=17, maxDocs=44421)
               0.015196448 = queryNorm
             4.405548 = fieldWeight in 5347, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.811096 = idf(docFreq=17, maxDocs=44421)
               0.5 = fieldNorm(doc=5347)
       0.2 = coord(3/15)
   

2. Strauch, D.: ¬Die Rolle von Bildschirmtext im künftigen Medienmix (1989) 0.24

   0.23915051 = sum of:
     0.23915051 = product of:
       1.1957525 = sum of:
         0.025488509 = weight(abstract_txt:sich in 5120) [ClassicSimilarity], result of:
           0.025488509 = score(doc=5120,freq=2.0), product of:
             0.05405055 = queryWeight, product of:
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.015196448 = queryNorm
             0.471568 = fieldWeight in 5120, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.09375 = fieldNorm(doc=5120)
         0.07427768 = weight(abstract_txt:jahre in 5120) [ClassicSimilarity], result of:
           0.07427768 = score(doc=5120,freq=1.0), product of:
             0.13893746 = queryWeight, product of:
               1.6032809 = boost
               5.702531 = idf(docFreq=402, maxDocs=44421)
               0.015196448 = queryNorm
             0.5346123 = fieldWeight in 5120, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.702531 = idf(docFreq=402, maxDocs=44421)
               0.09375 = fieldNorm(doc=5120)
         1.0959864 = weight(title_txt:bildschirmtext in 5120) [ClassicSimilarity], result of:
           1.0959864 = score(doc=5120,freq=1.0), product of:
             0.33169883 = queryWeight, product of:
               2.4772618 = boost
               8.811096 = idf(docFreq=17, maxDocs=44421)
               0.015196448 = queryNorm
             3.304161 = fieldWeight in 5120, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.811096 = idf(docFreq=17, maxDocs=44421)
               0.375 = fieldNorm(doc=5120)
       0.2 = coord(3/15)
   

3. Rauch, W.; Strauch, D.: Bildschirmtext: eine Einführung (1983) 0.20

   0.1982405 = sum of:
     0.1982405 = product of:
       1.4868037 = sum of:
         0.025488509 = weight(abstract_txt:sich in 5192) [ClassicSimilarity], result of:
           0.025488509 = score(doc=5192,freq=2.0), product of:
             0.05405055 = queryWeight, product of:
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.015196448 = queryNorm
             0.471568 = fieldWeight in 5192, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.09375 = fieldNorm(doc=5192)
         1.4613152 = weight(title_txt:bildschirmtext in 5192) [ClassicSimilarity], result of:
           1.4613152 = score(doc=5192,freq=1.0), product of:
             0.33169883 = queryWeight, product of:
               2.4772618 = boost
               8.811096 = idf(docFreq=17, maxDocs=44421)
               0.015196448 = queryNorm
             4.405548 = fieldWeight in 5192, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.811096 = idf(docFreq=17, maxDocs=44421)
               0.5 = fieldNorm(doc=5192)
       0.13333334 = coord(2/15)
   

4. Strauch, D.: Bildschirmtext (1990) 0.19

   0.19484203 = sum of:
     0.19484203 = product of:
       2.9226303 = sum of:
         2.9226303 = weight(title_txt:bildschirmtext in 4379) [ClassicSimilarity], result of:
           2.9226303 = score(doc=4379,freq=1.0), product of:
             0.33169883 = queryWeight, product of:
               2.4772618 = boost
               8.811096 = idf(docFreq=17, maxDocs=44421)
               0.015196448 = queryNorm
             8.811096 = fieldWeight in 4379, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.811096 = idf(docFreq=17, maxDocs=44421)
               1.0 = fieldNorm(doc=4379)
       0.06666667 = coord(1/15)
   

5. CAS und CSA vereinbaren die Bereitstellung weiterer Datenbanken auf STN International (2004) 0.12

   0.12192007 = sum of:
     0.12192007 = product of:
       0.3657602 = sum of:
         0.007509624 = weight(abstract_txt:sich in 3356) [ClassicSimilarity], result of:
           0.007509624 = score(doc=3356,freq=1.0), product of:
             0.05405055 = queryWeight, product of:
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.015196448 = queryNorm
             0.13893706 = fieldWeight in 3356, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.0390625 = fieldNorm(doc=3356)
         0.028188575 = weight(abstract_txt:entwickelt in 3356) [ClassicSimilarity], result of:
           0.028188575 = score(doc=3356,freq=1.0), product of:
             0.13054796 = queryWeight, product of:
               1.5541215 = boost
               5.5276814 = idf(docFreq=479, maxDocs=44421)
               0.015196448 = queryNorm
             0.21592505 = fieldWeight in 3356, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.5276814 = idf(docFreq=479, maxDocs=44421)
               0.0390625 = fieldNorm(doc=3356)
         0.09071497 = weight(abstract_txt:dienst in 3356) [ClassicSimilarity], result of:
           0.09071497 = score(doc=3356,freq=2.0), product of:
             0.22585548 = queryWeight, product of:
               2.0441618 = boost
               7.270651 = idf(docFreq=83, maxDocs=44421)
               0.015196448 = queryNorm
             0.40165052 = fieldWeight in 3356, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               7.270651 = idf(docFreq=83, maxDocs=44421)
               0.0390625 = fieldNorm(doc=3356)
         0.19006772 = weight(abstract_txt:größter in 3356) [ClassicSimilarity], result of:
           0.19006772 = score(doc=3356,freq=2.0), product of:
             0.3698142 = queryWeight, product of:
               2.615723 = boost
               9.303573 = idf(docFreq=10, maxDocs=44421)
               0.015196448 = queryNorm
             0.51395464 = fieldWeight in 3356, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               9.303573 = idf(docFreq=10, maxDocs=44421)
               0.0390625 = fieldNorm(doc=3356)
         0.04927932 = weight(abstract_txt:online in 3356) [ClassicSimilarity], result of:
           0.04927932 = score(doc=3356,freq=4.0), product of:
             0.17212802 = queryWeight, product of:
               3.09091 = boost
               3.6645708 = idf(docFreq=3092, maxDocs=44421)
               0.015196448 = queryNorm
             0.28629458 = fieldWeight in 3356, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               3.6645708 = idf(docFreq=3092, maxDocs=44421)
               0.0390625 = fieldNorm(doc=3356)
       0.33333334 = coord(5/15)