Document (#4008)

Author

Herther, N.K.

Title

How to evaluate reference materials on CD-ROM

Source

Online. 12(1988) no.2, S.106-108

Year

1988

Theme

Informationsmittel

Similar documents (author)

1. Herther, N.K.: CD-ROM technology : a new era for information storage and retrieval? (1985) 6.10

   6.0972233 = sum of:
     6.0972233 = weight(author_txt:herther in 530) [ClassicSimilarity], result of:
       6.0972233 = fieldWeight in 530, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.755557 = idf(docFreq=6, maxDocs=44421)
         0.625 = fieldNorm(doc=530)
   

2. Herther, N.K.: CD-ROM and information dissemination : an update (1987) 6.10

   6.0972233 = sum of:
     6.0972233 = weight(author_txt:herther in 531) [ClassicSimilarity], result of:
       6.0972233 = fieldWeight in 531, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.755557 = idf(docFreq=6, maxDocs=44421)
         0.625 = fieldNorm(doc=531)
   

3. Herther, N.K.: CD-ROM in libraries : a ten-year anniversary report (1995) 6.10

   6.0972233 = sum of:
     6.0972233 = weight(author_txt:herther in 2039) [ClassicSimilarity], result of:
       6.0972233 = fieldWeight in 2039, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.755557 = idf(docFreq=6, maxDocs=44421)
         0.625 = fieldNorm(doc=2039)
   

4. Herther, N.K.: Education over the Web distance learning and the information professional (1997) 6.10

   6.0972233 = sum of:
     6.0972233 = weight(author_txt:herther in 2395) [ClassicSimilarity], result of:
       6.0972233 = fieldWeight in 2395, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.755557 = idf(docFreq=6, maxDocs=44421)
         0.625 = fieldNorm(doc=2395)
   

5. Lund, D.C.; Herther, N.: research in progress : ¬The impact of technology on the service and structure of an integrated information centre (1993) 4.88

   4.8777785 = sum of:
     4.8777785 = weight(author_txt:herther in 7875) [ClassicSimilarity], result of:
       4.8777785 = fieldWeight in 7875, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.755557 = idf(docFreq=6, maxDocs=44421)
         0.5 = fieldNorm(doc=7875)
   

Similar documents (content)

1. Cevallos, E.E.; Barbuto, D.M.: End-user searching : review and future prospects (1991) 0.66

   0.66295403 = sum of:
     0.66295403 = sum of:
       0.16485958 = weight(abstract_txt:reference in 4838) [ClassicSimilarity], result of:
         0.16485958 = score(doc=4838,freq=1.0), product of:
           0.47259617 = queryWeight, product of:
             4.4651284 = idf(docFreq=1388, maxDocs=44421)
             0.10584156 = queryNorm
           0.34883815 = fieldWeight in 4838, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             4.4651284 = idf(docFreq=1388, maxDocs=44421)
             0.078125 = fieldNorm(doc=4838)
       0.2198451 = weight(abstract_txt:materials in 4838) [ClassicSimilarity], result of:
         0.2198451 = score(doc=4838,freq=1.0), product of:
           0.5725656 = queryWeight, product of:
             1.1006963 = boost
             4.9147506 = idf(docFreq=885, maxDocs=44421)
             0.10584156 = queryNorm
           0.3839649 = fieldWeight in 4838, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             4.9147506 = idf(docFreq=885, maxDocs=44421)
             0.078125 = fieldNorm(doc=4838)
       0.27824935 = weight(abstract_txt:evaluate in 4838) [ClassicSimilarity], result of:
         0.27824935 = score(doc=4838,freq=1.0), product of:
           0.6699414 = queryWeight, product of:
             1.1906204 = boost
             5.316273 = idf(docFreq=592, maxDocs=44421)
             0.10584156 = queryNorm
           0.41533384 = fieldWeight in 4838, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             5.316273 = idf(docFreq=592, maxDocs=44421)
             0.078125 = fieldNorm(doc=4838)
   

2. Bentley, S.; Kent, C.; LaGuardia, C.: Reference sources for the digital age (1995) 0.64

   0.63621664 = sum of:
     0.63621664 = product of:
       0.9543249 = sum of:
         0.45687225 = weight(abstract_txt:reference in 3135) [ClassicSimilarity], result of:
           0.45687225 = score(doc=3135,freq=3.0), product of:
             0.47259617 = queryWeight, product of:
               4.4651284 = idf(docFreq=1388, maxDocs=44421)
               0.10584156 = queryNorm
             0.9667286 = fieldWeight in 3135, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               4.4651284 = idf(docFreq=1388, maxDocs=44421)
               0.125 = fieldNorm(doc=3135)
         0.49745265 = weight(abstract_txt:materials in 3135) [ClassicSimilarity], result of:
           0.49745265 = score(doc=3135,freq=2.0), product of:
             0.5725656 = queryWeight, product of:
               1.1006963 = boost
               4.9147506 = idf(docFreq=885, maxDocs=44421)
               0.10584156 = queryNorm
             0.86881334 = fieldWeight in 3135, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.9147506 = idf(docFreq=885, maxDocs=44421)
               0.125 = fieldNorm(doc=3135)
       0.6666667 = coord(2/3)
   

3. Piggott, M.: ¬The cataloguer's way through AACR2 : from document receipt to document retrieval (1990) 0.62

   0.6155275 = sum of:
     0.6155275 = product of:
       0.9232912 = sum of:
         0.395663 = weight(abstract_txt:reference in 6060) [ClassicSimilarity], result of:
           0.395663 = score(doc=6060,freq=1.0), product of:
             0.47259617 = queryWeight, product of:
               4.4651284 = idf(docFreq=1388, maxDocs=44421)
               0.10584156 = queryNorm
             0.8372116 = fieldWeight in 6060, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.4651284 = idf(docFreq=1388, maxDocs=44421)
               0.1875 = fieldNorm(doc=6060)
         0.5276282 = weight(abstract_txt:materials in 6060) [ClassicSimilarity], result of:
           0.5276282 = score(doc=6060,freq=1.0), product of:
             0.5725656 = queryWeight, product of:
               1.1006963 = boost
               4.9147506 = idf(docFreq=885, maxDocs=44421)
               0.10584156 = queryNorm
             0.9215157 = fieldWeight in 6060, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.9147506 = idf(docFreq=885, maxDocs=44421)
               0.1875 = fieldNorm(doc=6060)
       0.6666667 = coord(2/3)
   

4. Information sources in law (1997) 0.62

   0.6155275 = sum of:
     0.6155275 = product of:
       0.9232912 = sum of:
         0.395663 = weight(abstract_txt:reference in 645) [ClassicSimilarity], result of:
           0.395663 = score(doc=645,freq=1.0), product of:
             0.47259617 = queryWeight, product of:
               4.4651284 = idf(docFreq=1388, maxDocs=44421)
               0.10584156 = queryNorm
             0.8372116 = fieldWeight in 645, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.4651284 = idf(docFreq=1388, maxDocs=44421)
               0.1875 = fieldNorm(doc=645)
         0.5276282 = weight(abstract_txt:materials in 645) [ClassicSimilarity], result of:
           0.5276282 = score(doc=645,freq=1.0), product of:
             0.5725656 = queryWeight, product of:
               1.1006963 = boost
               4.9147506 = idf(docFreq=885, maxDocs=44421)
               0.10584156 = queryNorm
             0.9215157 = fieldWeight in 645, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.9147506 = idf(docFreq=885, maxDocs=44421)
               0.1875 = fieldNorm(doc=645)
       0.6666667 = coord(2/3)
   

5. Weeding and maintenance of reference collections (1990) 0.60

   0.603989 = sum of:
     0.603989 = product of:
       0.9059835 = sum of:
         0.4662933 = weight(abstract_txt:reference in 6738) [ClassicSimilarity], result of:
           0.4662933 = score(doc=6738,freq=2.0), product of:
             0.47259617 = queryWeight, product of:
               4.4651284 = idf(docFreq=1388, maxDocs=44421)
               0.10584156 = queryNorm
             0.98666334 = fieldWeight in 6738, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.4651284 = idf(docFreq=1388, maxDocs=44421)
               0.15625 = fieldNorm(doc=6738)
         0.4396902 = weight(abstract_txt:materials in 6738) [ClassicSimilarity], result of:
           0.4396902 = score(doc=6738,freq=1.0), product of:
             0.5725656 = queryWeight, product of:
               1.1006963 = boost
               4.9147506 = idf(docFreq=885, maxDocs=44421)
               0.10584156 = queryNorm
             0.7679298 = fieldWeight in 6738, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.9147506 = idf(docFreq=885, maxDocs=44421)
               0.15625 = fieldNorm(doc=6738)
       0.6666667 = coord(2/3)