Document (#18944)

Author
Hann, W.
Title
Search insider
Source
Information world review. 1997, no.131, S.46
Year
1997
Abstract
Explains how to use the search engine Northern Light, the first to offer simultaneous access to a 'special collection' of 1.800 'quality sources' and the Internet and which collects results and ranks for relevance. Describes the purchasing procedure and pricing
Theme
Suchmaschinen
Object
Northern Light

Similar documents (content)

  1. Jascó, P.: Northern Light (1998) 0.32
    0.3207056 = sum of:
      0.3207056 = product of:
        1.1453772 = sum of:
          0.055930573 = weight(abstract_txt:collection in 4311) [ClassicSimilarity], result of:
            0.055930573 = score(doc=4311,freq=1.0), product of:
              0.09598427 = queryWeight, product of:
                1.5891105 = boost
                4.661645 = idf(docFreq=1097, maxDocs=42740)
                0.01295707 = queryNorm
              0.5827056 = fieldWeight in 4311, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.661645 = idf(docFreq=1097, maxDocs=42740)
                0.125 = fieldNorm(doc=4311)
          0.06786373 = weight(abstract_txt:special in 4311) [ClassicSimilarity], result of:
            0.06786373 = score(doc=4311,freq=1.0), product of:
              0.10919239 = queryWeight, product of:
                1.694924 = boost
                4.9720483 = idf(docFreq=804, maxDocs=42740)
                0.01295707 = queryNorm
              0.62150604 = fieldWeight in 4311, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9720483 = idf(docFreq=804, maxDocs=42740)
                0.125 = fieldNorm(doc=4311)
          0.0926909 = weight(abstract_txt:engine in 4311) [ClassicSimilarity], result of:
            0.0926909 = score(doc=4311,freq=1.0), product of:
              0.13441837 = queryWeight, product of:
                1.8805434 = boost
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.01295707 = queryNorm
              0.6895702 = fieldWeight in 4311, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.125 = fieldNorm(doc=4311)
          0.118229896 = weight(abstract_txt:light in 4311) [ClassicSimilarity], result of:
            0.118229896 = score(doc=4311,freq=1.0), product of:
              0.15809523 = queryWeight, product of:
                2.0394516 = boost
                5.982718 = idf(docFreq=292, maxDocs=42740)
                0.01295707 = queryNorm
              0.74783975 = fieldWeight in 4311, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.982718 = idf(docFreq=292, maxDocs=42740)
                0.125 = fieldNorm(doc=4311)
          0.0537636 = weight(abstract_txt:search in 4311) [ClassicSimilarity], result of:
            0.0537636 = score(doc=4311,freq=1.0), product of:
              0.11778847 = queryWeight, product of:
                2.4895475 = boost
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.01295707 = queryNorm
              0.45644194 = fieldWeight in 4311, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.125 = fieldNorm(doc=4311)
          0.3041033 = weight(abstract_txt:northern in 4311) [ClassicSimilarity], result of:
            0.3041033 = score(doc=4311,freq=1.0), product of:
              0.29678914 = queryWeight, product of:
                2.7943323 = boost
                8.197155 = idf(docFreq=31, maxDocs=42740)
                0.01295707 = queryNorm
              1.0246444 = fieldWeight in 4311, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.197155 = idf(docFreq=31, maxDocs=42740)
                0.125 = fieldNorm(doc=4311)
          0.4527952 = weight(abstract_txt:1.800 in 4311) [ClassicSimilarity], result of:
            0.4527952 = score(doc=4311,freq=1.0), product of:
              0.3869918 = queryWeight, product of:
                3.1908393 = boost
                9.360306 = idf(docFreq=9, maxDocs=42740)
                0.01295707 = queryNorm
              1.1700382 = fieldWeight in 4311, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.360306 = idf(docFreq=9, maxDocs=42740)
                0.125 = fieldNorm(doc=4311)
        0.28 = coord(7/25)
    
  2. Wiggins, R.: Vendors future : Northern Light - delivering high-quality content to a large Internet audience (1997) 0.30
    0.30414763 = sum of:
      0.30414763 = product of:
        0.6912446 = sum of:
          0.008710981 = weight(abstract_txt:which in 3891) [ClassicSimilarity], result of:
            0.008710981 = score(doc=3891,freq=1.0), product of:
              0.03800948 = queryWeight, product of:
                2.9334934 = idf(docFreq=6181, maxDocs=42740)
                0.01295707 = queryNorm
              0.22917917 = fieldWeight in 3891, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.9334934 = idf(docFreq=6181, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
          0.029100401 = weight(abstract_txt:access in 3891) [ClassicSimilarity], result of:
            0.029100401 = score(doc=3891,freq=3.0), product of:
              0.058894236 = queryWeight, product of:
                1.2447737 = boost
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.01295707 = queryNorm
              0.4941129 = fieldWeight in 3891, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
          0.017565086 = weight(abstract_txt:internet in 3891) [ClassicSimilarity], result of:
            0.017565086 = score(doc=3891,freq=1.0), product of:
              0.06066629 = queryWeight, product of:
                1.2633618 = boost
                3.7060635 = idf(docFreq=2854, maxDocs=42740)
                0.01295707 = queryNorm
              0.2895362 = fieldWeight in 3891, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.7060635 = idf(docFreq=2854, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
          0.01895804 = weight(abstract_txt:describes in 3891) [ClassicSimilarity], result of:
            0.01895804 = score(doc=3891,freq=1.0), product of:
              0.06383264 = queryWeight, product of:
                1.2959118 = boost
                3.8015487 = idf(docFreq=2594, maxDocs=42740)
                0.01295707 = queryNorm
              0.296996 = fieldWeight in 3891, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8015487 = idf(docFreq=2594, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
          0.034956608 = weight(abstract_txt:collection in 3891) [ClassicSimilarity], result of:
            0.034956608 = score(doc=3891,freq=1.0), product of:
              0.09598427 = queryWeight, product of:
                1.5891105 = boost
                4.661645 = idf(docFreq=1097, maxDocs=42740)
                0.01295707 = queryNorm
              0.364191 = fieldWeight in 3891, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.661645 = idf(docFreq=1097, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
          0.050112676 = weight(abstract_txt:quality in 3891) [ClassicSimilarity], result of:
            0.050112676 = score(doc=3891,freq=2.0), product of:
              0.096858025 = queryWeight, product of:
                1.596327 = boost
                4.6828146 = idf(docFreq=1074, maxDocs=42740)
                0.01295707 = queryNorm
              0.5173828 = fieldWeight in 3891, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.6828146 = idf(docFreq=1074, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
          0.042414833 = weight(abstract_txt:special in 3891) [ClassicSimilarity], result of:
            0.042414833 = score(doc=3891,freq=1.0), product of:
              0.10919239 = queryWeight, product of:
                1.694924 = boost
                4.9720483 = idf(docFreq=804, maxDocs=42740)
                0.01295707 = queryNorm
              0.38844126 = fieldWeight in 3891, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9720483 = idf(docFreq=804, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
          0.05793181 = weight(abstract_txt:engine in 3891) [ClassicSimilarity], result of:
            0.05793181 = score(doc=3891,freq=1.0), product of:
              0.13441837 = queryWeight, product of:
                1.8805434 = boost
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.01295707 = queryNorm
              0.43098137 = fieldWeight in 3891, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
          0.104501456 = weight(abstract_txt:light in 3891) [ClassicSimilarity], result of:
            0.104501456 = score(doc=3891,freq=2.0), product of:
              0.15809523 = queryWeight, product of:
                2.0394516 = boost
                5.982718 = idf(docFreq=292, maxDocs=42740)
                0.01295707 = queryNorm
              0.66100323 = fieldWeight in 3891, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.982718 = idf(docFreq=292, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
          0.058200803 = weight(abstract_txt:search in 3891) [ClassicSimilarity], result of:
            0.058200803 = score(doc=3891,freq=3.0), product of:
              0.11778847 = queryWeight, product of:
                2.4895475 = boost
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.01295707 = queryNorm
              0.4941129 = fieldWeight in 3891, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
          0.2687919 = weight(abstract_txt:northern in 3891) [ClassicSimilarity], result of:
            0.2687919 = score(doc=3891,freq=2.0), product of:
              0.29678914 = queryWeight, product of:
                2.7943323 = boost
                8.197155 = idf(docFreq=31, maxDocs=42740)
                0.01295707 = queryNorm
              0.90566623 = fieldWeight in 3891, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.197155 = idf(docFreq=31, maxDocs=42740)
                0.078125 = fieldNorm(doc=3891)
        0.44 = coord(11/25)
    
  3. Notess, G.R.: Northern Light : new search engine for the Web and full-text articles (1998) 0.24
    0.2422946 = sum of:
      0.2422946 = product of:
        0.86533785 = sum of:
          0.02381928 = weight(abstract_txt:results in 4275) [ClassicSimilarity], result of:
            0.02381928 = score(doc=4275,freq=1.0), product of:
              0.05433166 = queryWeight, product of:
                1.1955853 = boost
                3.5072412 = idf(docFreq=3482, maxDocs=42740)
                0.01295707 = queryNorm
              0.43840516 = fieldWeight in 4275, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.5072412 = idf(docFreq=3482, maxDocs=42740)
                0.125 = fieldNorm(doc=4275)
          0.02810414 = weight(abstract_txt:internet in 4275) [ClassicSimilarity], result of:
            0.02810414 = score(doc=4275,freq=1.0), product of:
              0.06066629 = queryWeight, product of:
                1.2633618 = boost
                3.7060635 = idf(docFreq=2854, maxDocs=42740)
                0.01295707 = queryNorm
              0.46325794 = fieldWeight in 4275, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.7060635 = idf(docFreq=2854, maxDocs=42740)
                0.125 = fieldNorm(doc=4275)
          0.030332861 = weight(abstract_txt:describes in 4275) [ClassicSimilarity], result of:
            0.030332861 = score(doc=4275,freq=1.0), product of:
              0.06383264 = queryWeight, product of:
                1.2959118 = boost
                3.8015487 = idf(docFreq=2594, maxDocs=42740)
                0.01295707 = queryNorm
              0.4751936 = fieldWeight in 4275, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8015487 = idf(docFreq=2594, maxDocs=42740)
                0.125 = fieldNorm(doc=4275)
          0.0926909 = weight(abstract_txt:engine in 4275) [ClassicSimilarity], result of:
            0.0926909 = score(doc=4275,freq=1.0), product of:
              0.13441837 = queryWeight, product of:
                1.8805434 = boost
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.01295707 = queryNorm
              0.6895702 = fieldWeight in 4275, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.125 = fieldNorm(doc=4275)
          0.16720232 = weight(abstract_txt:light in 4275) [ClassicSimilarity], result of:
            0.16720232 = score(doc=4275,freq=2.0), product of:
              0.15809523 = queryWeight, product of:
                2.0394516 = boost
                5.982718 = idf(docFreq=292, maxDocs=42740)
                0.01295707 = queryNorm
              1.0576051 = fieldWeight in 4275, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.982718 = idf(docFreq=292, maxDocs=42740)
                0.125 = fieldNorm(doc=4275)
          0.09312128 = weight(abstract_txt:search in 4275) [ClassicSimilarity], result of:
            0.09312128 = score(doc=4275,freq=3.0), product of:
              0.11778847 = queryWeight, product of:
                2.4895475 = boost
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.01295707 = queryNorm
              0.79058063 = fieldWeight in 4275, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.125 = fieldNorm(doc=4275)
          0.43006703 = weight(abstract_txt:northern in 4275) [ClassicSimilarity], result of:
            0.43006703 = score(doc=4275,freq=2.0), product of:
              0.29678914 = queryWeight, product of:
                2.7943323 = boost
                8.197155 = idf(docFreq=31, maxDocs=42740)
                0.01295707 = queryNorm
              1.4490659 = fieldWeight in 4275, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.197155 = idf(docFreq=31, maxDocs=42740)
                0.125 = fieldNorm(doc=4275)
        0.28 = coord(7/25)
    
  4. Northern Light adds precision search enhancements (1998) 0.19
    0.18793957 = sum of:
      0.18793957 = product of:
        1.1746223 = sum of:
          0.13903634 = weight(abstract_txt:engine in 4278) [ClassicSimilarity], result of:
            0.13903634 = score(doc=4278,freq=1.0), product of:
              0.13441837 = queryWeight, product of:
                1.8805434 = boost
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.01295707 = queryNorm
              1.0343553 = fieldWeight in 4278, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.1875 = fieldNorm(doc=4278)
          0.25080347 = weight(abstract_txt:light in 4278) [ClassicSimilarity], result of:
            0.25080347 = score(doc=4278,freq=2.0), product of:
              0.15809523 = queryWeight, product of:
                2.0394516 = boost
                5.982718 = idf(docFreq=292, maxDocs=42740)
                0.01295707 = queryNorm
              1.5864077 = fieldWeight in 4278, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.982718 = idf(docFreq=292, maxDocs=42740)
                0.1875 = fieldNorm(doc=4278)
          0.13968192 = weight(abstract_txt:search in 4278) [ClassicSimilarity], result of:
            0.13968192 = score(doc=4278,freq=3.0), product of:
              0.11778847 = queryWeight, product of:
                2.4895475 = boost
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.01295707 = queryNorm
              1.1858709 = fieldWeight in 4278, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.1875 = fieldNorm(doc=4278)
          0.64510053 = weight(abstract_txt:northern in 4278) [ClassicSimilarity], result of:
            0.64510053 = score(doc=4278,freq=2.0), product of:
              0.29678914 = queryWeight, product of:
                2.7943323 = boost
                8.197155 = idf(docFreq=31, maxDocs=42740)
                0.01295707 = queryNorm
              2.1735988 = fieldWeight in 4278, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.197155 = idf(docFreq=31, maxDocs=42740)
                0.1875 = fieldNorm(doc=4278)
        0.16 = coord(4/25)
    
  5. Hyams, P.: What creates no noise but isn't silent? (1997) 0.18
    0.1767226 = sum of:
      0.1767226 = product of:
        0.55225813 = sum of:
          0.012195374 = weight(abstract_txt:which in 1937) [ClassicSimilarity], result of:
            0.012195374 = score(doc=1937,freq=1.0), product of:
              0.03800948 = queryWeight, product of:
                2.9334934 = idf(docFreq=6181, maxDocs=42740)
                0.01295707 = queryNorm
              0.32085085 = fieldWeight in 1937, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.9334934 = idf(docFreq=6181, maxDocs=42740)
                0.109375 = fieldNorm(doc=1937)
          0.02084187 = weight(abstract_txt:results in 1937) [ClassicSimilarity], result of:
            0.02084187 = score(doc=1937,freq=1.0), product of:
              0.05433166 = queryWeight, product of:
                1.1955853 = boost
                3.5072412 = idf(docFreq=3482, maxDocs=42740)
                0.01295707 = queryNorm
              0.38360453 = fieldWeight in 1937, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.5072412 = idf(docFreq=3482, maxDocs=42740)
                0.109375 = fieldNorm(doc=1937)
          0.026541255 = weight(abstract_txt:describes in 1937) [ClassicSimilarity], result of:
            0.026541255 = score(doc=1937,freq=1.0), product of:
              0.06383264 = queryWeight, product of:
                1.2959118 = boost
                3.8015487 = idf(docFreq=2594, maxDocs=42740)
                0.01295707 = queryNorm
              0.4157944 = fieldWeight in 1937, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8015487 = idf(docFreq=2594, maxDocs=42740)
                0.109375 = fieldNorm(doc=1937)
          0.058037188 = weight(abstract_txt:relevance in 1937) [ClassicSimilarity], result of:
            0.058037188 = score(doc=1937,freq=1.0), product of:
              0.10753903 = queryWeight, product of:
                1.682043 = boost
                4.934262 = idf(docFreq=835, maxDocs=42740)
                0.01295707 = queryNorm
              0.5396849 = fieldWeight in 1937, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.934262 = idf(docFreq=835, maxDocs=42740)
                0.109375 = fieldNorm(doc=1937)
          0.08110453 = weight(abstract_txt:engine in 1937) [ClassicSimilarity], result of:
            0.08110453 = score(doc=1937,freq=1.0), product of:
              0.13441837 = queryWeight, product of:
                1.8805434 = boost
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.01295707 = queryNorm
              0.6033739 = fieldWeight in 1937, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.109375 = fieldNorm(doc=1937)
          0.087780654 = weight(abstract_txt:explains in 1937) [ClassicSimilarity], result of:
            0.087780654 = score(doc=1937,freq=1.0), product of:
              0.14169714 = queryWeight, product of:
                1.930788 = boost
                5.663954 = idf(docFreq=402, maxDocs=42740)
                0.01295707 = queryNorm
              0.6194949 = fieldWeight in 1937, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.663954 = idf(docFreq=402, maxDocs=42740)
                0.109375 = fieldNorm(doc=1937)
          0.06652906 = weight(abstract_txt:search in 1937) [ClassicSimilarity], result of:
            0.06652906 = score(doc=1937,freq=2.0), product of:
              0.11778847 = queryWeight, product of:
                2.4895475 = boost
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.01295707 = queryNorm
              0.5648181 = fieldWeight in 1937, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.109375 = fieldNorm(doc=1937)
          0.1992282 = weight(abstract_txt:pricing in 1937) [ClassicSimilarity], result of:
            0.1992282 = score(doc=1937,freq=1.0), product of:
              0.24471602 = queryWeight, product of:
                2.5373783 = boost
                7.4433827 = idf(docFreq=67, maxDocs=42740)
                0.01295707 = queryNorm
              0.81412 = fieldWeight in 1937, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.4433827 = idf(docFreq=67, maxDocs=42740)
                0.109375 = fieldNorm(doc=1937)
        0.32 = coord(8/25)