Document (#15836)

Author
Rudich, J.
Title
CD-ROM telephone directories
Source
Link-up. 13(1996) no.4, S.18-19
Year
1996
Abstract
CD-ROM telephone directories have a number of uses and are good alternative to purchasing or renting a mailing list for business purposes. Describes and compares 4 leading USA directories: Select Phone published by Pro CD; PhoneDisc PowerFinder published by Digital Directory Assistance; DeLorme's Phone Search USA; and Parson Technology' Directory, USA. Online and WWW services are also available
Theme
Informationsmittel
Object
SelectPhone
PhoneDisc
PhoneSearch USA
Parson Technology's Directory

Similar documents (content)

  1. Jascó, P.: Will white page CD-ROM directories turn yellow, or, er, green of envy? (1998) 0.64
    0.6351817 = sum of:
      0.6351817 = product of:
        1.5879543 = sum of:
          0.0155594535 = weight(abstract_txt:online in 3679) [ClassicSimilarity], result of:
            0.0155594535 = score(doc=3679,freq=1.0), product of:
              0.045229185 = queryWeight, product of:
                1.0045295 = boost
                3.669478 = idf(docFreq=2996, maxDocs=43254)
                0.012270204 = queryNorm
              0.34401357 = fieldWeight in 3679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.669478 = idf(docFreq=2996, maxDocs=43254)
                0.09375 = fieldNorm(doc=3679)
          0.02510693 = weight(abstract_txt:available in 3679) [ClassicSimilarity], result of:
            0.02510693 = score(doc=3679,freq=1.0), product of:
              0.062223095 = queryWeight, product of:
                1.1782274 = boost
                4.3039846 = idf(docFreq=1588, maxDocs=43254)
                0.012270204 = queryNorm
              0.40349856 = fieldWeight in 3679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3039846 = idf(docFreq=1588, maxDocs=43254)
                0.09375 = fieldNorm(doc=3679)
          0.0471507 = weight(abstract_txt:business in 3679) [ClassicSimilarity], result of:
            0.0471507 = score(doc=3679,freq=1.0), product of:
              0.094714105 = queryWeight, product of:
                1.4536526 = boost
                5.3100944 = idf(docFreq=580, maxDocs=43254)
                0.012270204 = queryNorm
              0.49782133 = fieldWeight in 3679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3100944 = idf(docFreq=580, maxDocs=43254)
                0.09375 = fieldNorm(doc=3679)
          0.06272312 = weight(abstract_txt:compares in 3679) [ClassicSimilarity], result of:
            0.06272312 = score(doc=3679,freq=1.0), product of:
              0.11456211 = queryWeight, product of:
                1.5987251 = boost
                5.8400345 = idf(docFreq=341, maxDocs=43254)
                0.012270204 = queryNorm
              0.54750323 = fieldWeight in 3679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.8400345 = idf(docFreq=341, maxDocs=43254)
                0.09375 = fieldNorm(doc=3679)
          0.094632104 = weight(abstract_txt:assistance in 3679) [ClassicSimilarity], result of:
            0.094632104 = score(doc=3679,freq=1.0), product of:
              0.15070055 = queryWeight, product of:
                1.8336259 = boost
                6.698111 = idf(docFreq=144, maxDocs=43254)
                0.012270204 = queryNorm
              0.6279479 = fieldWeight in 3679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.698111 = idf(docFreq=144, maxDocs=43254)
                0.09375 = fieldNorm(doc=3679)
          0.1877649 = weight(abstract_txt:mailing in 3679) [ClassicSimilarity], result of:
            0.1877649 = score(doc=3679,freq=1.0), product of:
              0.23795718 = queryWeight, product of:
                2.3041074 = boost
                8.416748 = idf(docFreq=25, maxDocs=43254)
                0.012270204 = queryNorm
              0.7890701 = fieldWeight in 3679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.416748 = idf(docFreq=25, maxDocs=43254)
                0.09375 = fieldNorm(doc=3679)
          0.19934952 = weight(abstract_txt:directory in 3679) [ClassicSimilarity], result of:
            0.19934952 = score(doc=3679,freq=1.0), product of:
              0.31201538 = queryWeight, product of:
                3.731267 = boost
                6.8150325 = idf(docFreq=128, maxDocs=43254)
                0.012270204 = queryNorm
              0.6389093 = fieldWeight in 3679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.8150325 = idf(docFreq=128, maxDocs=43254)
                0.09375 = fieldNorm(doc=3679)
          0.26098368 = weight(abstract_txt:telephone in 3679) [ClassicSimilarity], result of:
            0.26098368 = score(doc=3679,freq=1.0), product of:
              0.3734004 = queryWeight, product of:
                4.081837 = boost
                7.4553375 = idf(docFreq=67, maxDocs=43254)
                0.012270204 = queryNorm
              0.6989379 = fieldWeight in 3679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.4553375 = idf(docFreq=67, maxDocs=43254)
                0.09375 = fieldNorm(doc=3679)
          0.34075475 = weight(abstract_txt:phone in 3679) [ClassicSimilarity], result of:
            0.34075475 = score(doc=3679,freq=1.0), product of:
              0.44606054 = queryWeight, product of:
                4.461339 = boost
                8.148484 = idf(docFreq=33, maxDocs=43254)
                0.012270204 = queryNorm
              0.7639204 = fieldWeight in 3679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.148484 = idf(docFreq=33, maxDocs=43254)
                0.09375 = fieldNorm(doc=3679)
          0.35392913 = weight(abstract_txt:directories in 3679) [ClassicSimilarity], result of:
            0.35392913 = score(doc=3679,freq=1.0), product of:
              0.52368945 = queryWeight, product of:
                5.9203973 = boost
                7.2089367 = idf(docFreq=86, maxDocs=43254)
                0.012270204 = queryNorm
              0.6758378 = fieldWeight in 3679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2089367 = idf(docFreq=86, maxDocs=43254)
                0.09375 = fieldNorm(doc=3679)
        0.4 = coord(10/25)
    
  2. Boettcher, J.; Kingma, B.R.: Telephone directories : alternatives to print (1994) 0.41
    0.4074434 = sum of:
      0.4074434 = product of:
        1.697681 = sum of:
          0.02074056 = weight(abstract_txt:technology in 2781) [ClassicSimilarity], result of:
            0.02074056 = score(doc=2781,freq=1.0), product of:
              0.06186196 = queryWeight, product of:
                1.1748033 = boost
                4.2914767 = idf(docFreq=1608, maxDocs=43254)
                0.012270204 = queryNorm
              0.33527163 = fieldWeight in 2781, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.2914767 = idf(docFreq=1608, maxDocs=43254)
                0.078125 = fieldNorm(doc=2781)
          0.07886008 = weight(abstract_txt:assistance in 2781) [ClassicSimilarity], result of:
            0.07886008 = score(doc=2781,freq=1.0), product of:
              0.15070055 = queryWeight, product of:
                1.8336259 = boost
                6.698111 = idf(docFreq=144, maxDocs=43254)
                0.012270204 = queryNorm
              0.5232899 = fieldWeight in 2781, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.698111 = idf(docFreq=144, maxDocs=43254)
                0.078125 = fieldNorm(doc=2781)
          0.15437539 = weight(abstract_txt:purchasing in 2781) [ClassicSimilarity], result of:
            0.15437539 = score(doc=2781,freq=1.0), product of:
              0.23582801 = queryWeight, product of:
                2.293776 = boost
                8.379008 = idf(docFreq=26, maxDocs=43254)
                0.012270204 = queryNorm
              0.65461004 = fieldWeight in 2781, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.379008 = idf(docFreq=26, maxDocs=43254)
                0.078125 = fieldNorm(doc=2781)
          0.23493566 = weight(abstract_txt:directory in 2781) [ClassicSimilarity], result of:
            0.23493566 = score(doc=2781,freq=2.0), product of:
              0.31201538 = queryWeight, product of:
                3.731267 = boost
                6.8150325 = idf(docFreq=128, maxDocs=43254)
                0.012270204 = queryNorm
              0.75296175 = fieldWeight in 2781, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.8150325 = idf(docFreq=128, maxDocs=43254)
                0.078125 = fieldNorm(doc=2781)
          0.48631436 = weight(abstract_txt:telephone in 2781) [ClassicSimilarity], result of:
            0.48631436 = score(doc=2781,freq=5.0), product of:
              0.3734004 = queryWeight, product of:
                4.081837 = boost
                7.4553375 = idf(docFreq=67, maxDocs=43254)
                0.012270204 = queryNorm
              1.3023938 = fieldWeight in 2781, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                7.4553375 = idf(docFreq=67, maxDocs=43254)
                0.078125 = fieldNorm(doc=2781)
          0.72245485 = weight(abstract_txt:directories in 2781) [ClassicSimilarity], result of:
            0.72245485 = score(doc=2781,freq=6.0), product of:
              0.52368945 = queryWeight, product of:
                5.9203973 = boost
                7.2089367 = idf(docFreq=86, maxDocs=43254)
                0.012270204 = queryNorm
              1.3795482 = fieldWeight in 2781, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                7.2089367 = idf(docFreq=86, maxDocs=43254)
                0.078125 = fieldNorm(doc=2781)
        0.24 = coord(6/25)
    
  3. Raeder, A.: People locators on the Web : finding and being found (1996) 0.23
    0.23255369 = sum of:
      0.23255369 = product of:
        0.96897376 = sum of:
          0.03281182 = weight(abstract_txt:describes in 6188) [ClassicSimilarity], result of:
            0.03281182 = score(doc=6188,freq=2.0), product of:
              0.04873118 = queryWeight, product of:
                1.0426937 = boost
                3.8088896 = idf(docFreq=2606, maxDocs=43254)
                0.012270204 = queryNorm
              0.6733229 = fieldWeight in 6188, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.8088896 = idf(docFreq=2606, maxDocs=43254)
                0.125 = fieldNorm(doc=6188)
          0.04170113 = weight(abstract_txt:number in 6188) [ClassicSimilarity], result of:
            0.04170113 = score(doc=6188,freq=2.0), product of:
              0.05717664 = queryWeight, product of:
                1.1294385 = boost
                4.1257625 = idf(docFreq=1898, maxDocs=43254)
                0.012270204 = queryNorm
              0.72933865 = fieldWeight in 6188, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.1257625 = idf(docFreq=1898, maxDocs=43254)
                0.125 = fieldNorm(doc=6188)
          0.030748196 = weight(abstract_txt:services in 6188) [ClassicSimilarity], result of:
            0.030748196 = score(doc=6188,freq=1.0), product of:
              0.058795374 = queryWeight, product of:
                1.1453148 = boost
                4.1837573 = idf(docFreq=1791, maxDocs=43254)
                0.012270204 = queryNorm
              0.52296966 = fieldWeight in 6188, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1837573 = idf(docFreq=1791, maxDocs=43254)
                0.125 = fieldNorm(doc=6188)
          0.033475906 = weight(abstract_txt:available in 6188) [ClassicSimilarity], result of:
            0.033475906 = score(doc=6188,freq=1.0), product of:
              0.062223095 = queryWeight, product of:
                1.1782274 = boost
                4.3039846 = idf(docFreq=1588, maxDocs=43254)
                0.012270204 = queryNorm
              0.5379981 = fieldWeight in 6188, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3039846 = idf(docFreq=1588, maxDocs=43254)
                0.125 = fieldNorm(doc=6188)
          0.37589705 = weight(abstract_txt:directory in 6188) [ClassicSimilarity], result of:
            0.37589705 = score(doc=6188,freq=2.0), product of:
              0.31201538 = queryWeight, product of:
                3.731267 = boost
                6.8150325 = idf(docFreq=128, maxDocs=43254)
                0.012270204 = queryNorm
              1.2047389 = fieldWeight in 6188, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.8150325 = idf(docFreq=128, maxDocs=43254)
                0.125 = fieldNorm(doc=6188)
          0.45433965 = weight(abstract_txt:phone in 6188) [ClassicSimilarity], result of:
            0.45433965 = score(doc=6188,freq=1.0), product of:
              0.44606054 = queryWeight, product of:
                4.461339 = boost
                8.148484 = idf(docFreq=33, maxDocs=43254)
                0.012270204 = queryNorm
              1.0185605 = fieldWeight in 6188, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.148484 = idf(docFreq=33, maxDocs=43254)
                0.125 = fieldNorm(doc=6188)
        0.24 = coord(6/25)
    
  4. Gandhi, S.: Proliferation and categories of Internet directories : a database of Internet subject directories (1998) 0.23
    0.22805324 = sum of:
      0.22805324 = product of:
        1.1402662 = sum of:
          0.0153499255 = weight(abstract_txt:search in 5751) [ClassicSimilarity], result of:
            0.0153499255 = score(doc=5751,freq=1.0), product of:
              0.044822223 = queryWeight, product of:
                3.6529322 = idf(docFreq=3046, maxDocs=43254)
                0.012270204 = queryNorm
              0.3424624 = fieldWeight in 5751, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6529322 = idf(docFreq=3046, maxDocs=43254)
                0.09375 = fieldNorm(doc=5751)
          0.0155594535 = weight(abstract_txt:online in 5751) [ClassicSimilarity], result of:
            0.0155594535 = score(doc=5751,freq=1.0), product of:
              0.045229185 = queryWeight, product of:
                1.0045295 = boost
                3.669478 = idf(docFreq=2996, maxDocs=43254)
                0.012270204 = queryNorm
              0.34401357 = fieldWeight in 5751, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.669478 = idf(docFreq=2996, maxDocs=43254)
                0.09375 = fieldNorm(doc=5751)
          0.06594195 = weight(abstract_txt:leading in 5751) [ClassicSimilarity], result of:
            0.06594195 = score(doc=5751,freq=1.0), product of:
              0.118448734 = queryWeight, product of:
                1.6256181 = boost
                5.9382725 = idf(docFreq=309, maxDocs=43254)
                0.012270204 = queryNorm
              0.55671304 = fieldWeight in 5751, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.9382725 = idf(docFreq=309, maxDocs=43254)
                0.09375 = fieldNorm(doc=5751)
          0.10700642 = weight(abstract_txt:published in 5751) [ClassicSimilarity], result of:
            0.10700642 = score(doc=5751,freq=2.0), product of:
              0.16356704 = queryWeight, product of:
                2.7015698 = boost
                4.9343257 = idf(docFreq=845, maxDocs=43254)
                0.012270204 = queryNorm
              0.6542053 = fieldWeight in 5751, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.9343257 = idf(docFreq=845, maxDocs=43254)
                0.09375 = fieldNorm(doc=5751)
          0.93640846 = weight(abstract_txt:directories in 5751) [ClassicSimilarity], result of:
            0.93640846 = score(doc=5751,freq=7.0), product of:
              0.52368945 = queryWeight, product of:
                5.9203973 = boost
                7.2089367 = idf(docFreq=86, maxDocs=43254)
                0.012270204 = queryNorm
              1.7880988 = fieldWeight in 5751, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                7.2089367 = idf(docFreq=86, maxDocs=43254)
                0.09375 = fieldNorm(doc=5751)
        0.2 = coord(5/25)
    
  5. Notess, G.R.: Internet ready reference resources (1996) 0.19
    0.1866596 = sum of:
      0.1866596 = product of:
        0.933298 = sum of:
          0.034802195 = weight(abstract_txt:describes in 5968) [ClassicSimilarity], result of:
            0.034802195 = score(doc=5968,freq=1.0), product of:
              0.04873118 = queryWeight, product of:
                1.0426937 = boost
                3.8088896 = idf(docFreq=2606, maxDocs=43254)
                0.012270204 = queryNorm
              0.7141668 = fieldWeight in 5968, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8088896 = idf(docFreq=2606, maxDocs=43254)
                0.1875 = fieldNorm(doc=5968)
          0.046122294 = weight(abstract_txt:services in 5968) [ClassicSimilarity], result of:
            0.046122294 = score(doc=5968,freq=1.0), product of:
              0.058795374 = queryWeight, product of:
                1.1453148 = boost
                4.1837573 = idf(docFreq=1791, maxDocs=43254)
                0.012270204 = queryNorm
              0.78445446 = fieldWeight in 5968, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1837573 = idf(docFreq=1791, maxDocs=43254)
                0.1875 = fieldNorm(doc=5968)
          0.05021386 = weight(abstract_txt:available in 5968) [ClassicSimilarity], result of:
            0.05021386 = score(doc=5968,freq=1.0), product of:
              0.062223095 = queryWeight, product of:
                1.1782274 = boost
                4.3039846 = idf(docFreq=1588, maxDocs=43254)
                0.012270204 = queryNorm
              0.8069971 = fieldWeight in 5968, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3039846 = idf(docFreq=1588, maxDocs=43254)
                0.1875 = fieldNorm(doc=5968)
          0.0943014 = weight(abstract_txt:business in 5968) [ClassicSimilarity], result of:
            0.0943014 = score(doc=5968,freq=1.0), product of:
              0.094714105 = queryWeight, product of:
                1.4536526 = boost
                5.3100944 = idf(docFreq=580, maxDocs=43254)
                0.012270204 = queryNorm
              0.99564266 = fieldWeight in 5968, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3100944 = idf(docFreq=580, maxDocs=43254)
                0.1875 = fieldNorm(doc=5968)
          0.70785826 = weight(abstract_txt:directories in 5968) [ClassicSimilarity], result of:
            0.70785826 = score(doc=5968,freq=1.0), product of:
              0.52368945 = queryWeight, product of:
                5.9203973 = boost
                7.2089367 = idf(docFreq=86, maxDocs=43254)
                0.012270204 = queryNorm
              1.3516756 = fieldWeight in 5968, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2089367 = idf(docFreq=86, maxDocs=43254)
                0.1875 = fieldNorm(doc=5968)
        0.2 = coord(5/25)