Document (#21309)

Author
Jascó, P.
Title
Northern Light
Source
Database. 21(1998) no.2, S.82-84
Year
1998
Abstract
Northern Light is part WWW search engine and part full text database. The latter is called Special Collection and consists of fulltext articles from 1.800 journals, newswires and other resources. Searching, bibliographic information and summaries are free but with prices per article ranging from $1 to $4 of a monthly subscription for 50 documents from a 880 journal subset. Highlights weaknesses with the software
Footnote
Vgl.: http://www.northernlight.com
Theme
Suchmaschinen
Object
Northern Light

Similar documents (author)

  1. Jascó, P.: Searching for images by similarity online (1998) 4.70
    4.7018247 = sum of:
      4.7018247 = weight(author_txt:jascó in 393) [ClassicSimilarity], result of:
        4.7018247 = fieldWeight in 393, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5229197 = idf(docFreq=63, maxDocs=43556)
          0.625 = fieldNorm(doc=393)
    
  2. Jascó, P.: Different folks, different strokes : the future of CD-ROM user interfaces (1993) 4.70
    4.7018247 = sum of:
      4.7018247 = weight(author_txt:jascó in 6287) [ClassicSimilarity], result of:
        4.7018247 = fieldWeight in 6287, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5229197 = idf(docFreq=63, maxDocs=43556)
          0.625 = fieldNorm(doc=6287)
    
  3. Jascó, P.: OVID / MEDLINE : a gourmet choice (1994) 4.70
    4.7018247 = sum of:
      4.7018247 = weight(author_txt:jascó in 6662) [ClassicSimilarity], result of:
        4.7018247 = fieldWeight in 6662, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5229197 = idf(docFreq=63, maxDocs=43556)
          0.625 = fieldNorm(doc=6662)
    
  4. Jascó, P.: MPC2 - you got the right one, uh huh (1993) 4.70
    4.7018247 = sum of:
      4.7018247 = weight(author_txt:jascó in 6764) [ClassicSimilarity], result of:
        4.7018247 = fieldWeight in 6764, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5229197 = idf(docFreq=63, maxDocs=43556)
          0.625 = fieldNorm(doc=6764)
    
  5. Jascó, P.: Don't kiss Boolean goodbye : it's AND not OR, let alone XOR (1994) 4.70
    4.7018247 = sum of:
      4.7018247 = weight(author_txt:jascó in 7156) [ClassicSimilarity], result of:
        4.7018247 = fieldWeight in 7156, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5229197 = idf(docFreq=63, maxDocs=43556)
          0.625 = fieldNorm(doc=7156)
    

Similar documents (content)

  1. Notess, G.R.: Northern Light : new search engine for the Web and full-text articles (1998) 0.53
    0.5259492 = sum of:
      0.5259492 = product of:
        1.6435913 = sum of:
          0.07232308 = weight(abstract_txt:articles in 4272) [ClassicSimilarity], result of:
            0.07232308 = score(doc=4272,freq=2.0), product of:
              0.08513533 = queryWeight, product of:
                4.805538 = idf(docFreq=968, maxDocs=43556)
                0.017716087 = queryNorm
              0.84950715 = fieldWeight in 4272, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.805538 = idf(docFreq=968, maxDocs=43556)
                0.125 = fieldNorm(doc=4272)
          0.07751657 = weight(abstract_txt:full in 4272) [ClassicSimilarity], result of:
            0.07751657 = score(doc=4272,freq=2.0), product of:
              0.08916374 = queryWeight, product of:
                1.0233854 = boost
                4.9179177 = idf(docFreq=865, maxDocs=43556)
                0.017716087 = queryNorm
              0.8693732 = fieldWeight in 4272, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.9179177 = idf(docFreq=865, maxDocs=43556)
                0.125 = fieldNorm(doc=4272)
          0.07753425 = weight(abstract_txt:engine in 4272) [ClassicSimilarity], result of:
            0.07753425 = score(doc=4272,freq=1.0), product of:
              0.11235636 = queryWeight, product of:
                1.1487986 = boost
                5.5205956 = idf(docFreq=473, maxDocs=43556)
                0.017716087 = queryNorm
              0.69007444 = fieldWeight in 4272, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5205956 = idf(docFreq=473, maxDocs=43556)
                0.125 = fieldNorm(doc=4272)
          0.11498758 = weight(abstract_txt:free in 4272) [ClassicSimilarity], result of:
            0.11498758 = score(doc=4272,freq=2.0), product of:
              0.11597362 = queryWeight, product of:
                1.1671447 = boost
                5.6087584 = idf(docFreq=433, maxDocs=43556)
                0.017716087 = queryNorm
              0.99149776 = fieldWeight in 4272, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6087584 = idf(docFreq=433, maxDocs=43556)
                0.125 = fieldNorm(doc=4272)
          0.2616508 = weight(abstract_txt:prices in 4272) [ClassicSimilarity], result of:
            0.2616508 = score(doc=4272,freq=1.0), product of:
              0.25278422 = queryWeight, product of:
                1.723138 = boost
                8.280605 = idf(docFreq=29, maxDocs=43556)
                0.017716087 = queryNorm
              1.0350757 = fieldWeight in 4272, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.280605 = idf(docFreq=29, maxDocs=43556)
                0.125 = fieldNorm(doc=4272)
          0.041895922 = weight(abstract_txt:from in 4272) [ClassicSimilarity], result of:
            0.041895922 = score(doc=4272,freq=2.0), product of:
              0.08532576 = queryWeight, product of:
                1.7339869 = boost
                2.77758 = idf(docFreq=7362, maxDocs=43556)
                0.017716087 = queryNorm
              0.4910114 = fieldWeight in 4272, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.77758 = idf(docFreq=7362, maxDocs=43556)
                0.125 = fieldNorm(doc=4272)
          0.27479228 = weight(abstract_txt:light in 4272) [ClassicSimilarity], result of:
            0.27479228 = score(doc=4272,freq=2.0), product of:
              0.26117903 = queryWeight, product of:
                2.4770184 = boost
                5.951703 = idf(docFreq=307, maxDocs=43556)
                0.017716087 = queryNorm
              1.0521224 = fieldWeight in 4272, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.951703 = idf(docFreq=307, maxDocs=43556)
                0.125 = fieldNorm(doc=4272)
          0.72289085 = weight(abstract_txt:northern in 4272) [ClassicSimilarity], result of:
            0.72289085 = score(doc=4272,freq=2.0), product of:
              0.49771848 = queryWeight, product of:
                3.4194162 = boost
                8.216067 = idf(docFreq=31, maxDocs=43556)
                0.017716087 = queryNorm
              1.4524091 = fieldWeight in 4272, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.216067 = idf(docFreq=31, maxDocs=43556)
                0.125 = fieldNorm(doc=4272)
        0.32 = coord(8/25)
    
  2. Wiggins, R.: Vendors future : Northern Light - delivering high-quality content to a large Internet audience (1997) 0.33
    0.3252742 = sum of:
      0.3252742 = product of:
        0.9035394 = sum of:
          0.031962585 = weight(abstract_txt:articles in 3888) [ClassicSimilarity], result of:
            0.031962585 = score(doc=3888,freq=1.0), product of:
              0.08513533 = queryWeight, product of:
                4.805538 = idf(docFreq=968, maxDocs=43556)
                0.017716087 = queryNorm
              0.37543267 = fieldWeight in 3888, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.805538 = idf(docFreq=968, maxDocs=43556)
                0.078125 = fieldNorm(doc=3888)
          0.034257807 = weight(abstract_txt:full in 3888) [ClassicSimilarity], result of:
            0.034257807 = score(doc=3888,freq=1.0), product of:
              0.08916374 = queryWeight, product of:
                1.0233854 = boost
                4.9179177 = idf(docFreq=865, maxDocs=43556)
                0.017716087 = queryNorm
              0.38421232 = fieldWeight in 3888, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9179177 = idf(docFreq=865, maxDocs=43556)
                0.078125 = fieldNorm(doc=3888)
          0.035463322 = weight(abstract_txt:special in 3888) [ClassicSimilarity], result of:
            0.035463322 = score(doc=3888,freq=1.0), product of:
              0.09124341 = queryWeight, product of:
                1.0352514 = boost
                4.9749403 = idf(docFreq=817, maxDocs=43556)
                0.017716087 = queryNorm
              0.38866723 = fieldWeight in 3888, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9749403 = idf(docFreq=817, maxDocs=43556)
                0.078125 = fieldNorm(doc=3888)
          0.03946205 = weight(abstract_txt:journals in 3888) [ClassicSimilarity], result of:
            0.03946205 = score(doc=3888,freq=1.0), product of:
              0.09797945 = queryWeight, product of:
                1.0727847 = boost
                5.155308 = idf(docFreq=682, maxDocs=43556)
                0.017716087 = queryNorm
              0.40275842 = fieldWeight in 3888, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.155308 = idf(docFreq=682, maxDocs=43556)
                0.078125 = fieldNorm(doc=3888)
          0.048458908 = weight(abstract_txt:engine in 3888) [ClassicSimilarity], result of:
            0.048458908 = score(doc=3888,freq=1.0), product of:
              0.11235636 = queryWeight, product of:
                1.1487986 = boost
                5.5205956 = idf(docFreq=473, maxDocs=43556)
                0.017716087 = queryNorm
              0.43129653 = fieldWeight in 3888, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5205956 = idf(docFreq=473, maxDocs=43556)
                0.078125 = fieldNorm(doc=3888)
          0.07186724 = weight(abstract_txt:free in 3888) [ClassicSimilarity], result of:
            0.07186724 = score(doc=3888,freq=2.0), product of:
              0.11597362 = queryWeight, product of:
                1.1671447 = boost
                5.6087584 = idf(docFreq=433, maxDocs=43556)
                0.017716087 = queryNorm
              0.6196861 = fieldWeight in 3888, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6087584 = idf(docFreq=433, maxDocs=43556)
                0.078125 = fieldNorm(doc=3888)
          0.018515557 = weight(abstract_txt:from in 3888) [ClassicSimilarity], result of:
            0.018515557 = score(doc=3888,freq=1.0), product of:
              0.08532576 = queryWeight, product of:
                1.7339869 = boost
                2.77758 = idf(docFreq=7362, maxDocs=43556)
                0.017716087 = queryNorm
              0.21699844 = fieldWeight in 3888, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.77758 = idf(docFreq=7362, maxDocs=43556)
                0.078125 = fieldNorm(doc=3888)
          0.17174518 = weight(abstract_txt:light in 3888) [ClassicSimilarity], result of:
            0.17174518 = score(doc=3888,freq=2.0), product of:
              0.26117903 = queryWeight, product of:
                2.4770184 = boost
                5.951703 = idf(docFreq=307, maxDocs=43556)
                0.017716087 = queryNorm
              0.65757644 = fieldWeight in 3888, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.951703 = idf(docFreq=307, maxDocs=43556)
                0.078125 = fieldNorm(doc=3888)
          0.4518068 = weight(abstract_txt:northern in 3888) [ClassicSimilarity], result of:
            0.4518068 = score(doc=3888,freq=2.0), product of:
              0.49771848 = queryWeight, product of:
                3.4194162 = boost
                8.216067 = idf(docFreq=31, maxDocs=43556)
                0.017716087 = queryNorm
              0.90775573 = fieldWeight in 3888, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.216067 = idf(docFreq=31, maxDocs=43556)
                0.078125 = fieldNorm(doc=3888)
        0.36 = coord(9/25)
    
  3. Hann, W.: Search insider (1997) 0.30
    0.30499122 = sum of:
      0.30499122 = product of:
        1.524956 = sum of:
          0.070926644 = weight(abstract_txt:special in 1940) [ClassicSimilarity], result of:
            0.070926644 = score(doc=1940,freq=1.0), product of:
              0.09124341 = queryWeight, product of:
                1.0352514 = boost
                4.9749403 = idf(docFreq=817, maxDocs=43556)
                0.017716087 = queryNorm
              0.77733445 = fieldWeight in 1940, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9749403 = idf(docFreq=817, maxDocs=43556)
                0.15625 = fieldNorm(doc=1940)
          0.096917816 = weight(abstract_txt:engine in 1940) [ClassicSimilarity], result of:
            0.096917816 = score(doc=1940,freq=1.0), product of:
              0.11235636 = queryWeight, product of:
                1.1487986 = boost
                5.5205956 = idf(docFreq=473, maxDocs=43556)
                0.017716087 = queryNorm
              0.86259305 = fieldWeight in 1940, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5205956 = idf(docFreq=473, maxDocs=43556)
                0.15625 = fieldNorm(doc=1940)
          0.47527578 = weight(abstract_txt:1.800 in 1940) [ClassicSimilarity], result of:
            0.47527578 = score(doc=1940,freq=1.0), product of:
              0.32430902 = queryWeight, product of:
                1.9517518 = boost
                9.379218 = idf(docFreq=9, maxDocs=43556)
                0.017716087 = queryNorm
              1.4655029 = fieldWeight in 1940, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.379218 = idf(docFreq=9, maxDocs=43556)
                0.15625 = fieldNorm(doc=1940)
          0.24288437 = weight(abstract_txt:light in 1940) [ClassicSimilarity], result of:
            0.24288437 = score(doc=1940,freq=1.0), product of:
              0.26117903 = queryWeight, product of:
                2.4770184 = boost
                5.951703 = idf(docFreq=307, maxDocs=43556)
                0.017716087 = queryNorm
              0.9299536 = fieldWeight in 1940, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.951703 = idf(docFreq=307, maxDocs=43556)
                0.15625 = fieldNorm(doc=1940)
          0.63895136 = weight(abstract_txt:northern in 1940) [ClassicSimilarity], result of:
            0.63895136 = score(doc=1940,freq=1.0), product of:
              0.49771848 = queryWeight, product of:
                3.4194162 = boost
                8.216067 = idf(docFreq=31, maxDocs=43556)
                0.017716087 = queryNorm
              1.2837605 = fieldWeight in 1940, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.216067 = idf(docFreq=31, maxDocs=43556)
                0.15625 = fieldNorm(doc=1940)
        0.2 = coord(5/25)
    
  4. Northern Light adds precision search enhancements (1998) 0.19
    0.19353913 = sum of:
      0.19353913 = product of:
        1.6128261 = sum of:
          0.11630137 = weight(abstract_txt:engine in 4275) [ClassicSimilarity], result of:
            0.11630137 = score(doc=4275,freq=1.0), product of:
              0.11235636 = queryWeight, product of:
                1.1487986 = boost
                5.5205956 = idf(docFreq=473, maxDocs=43556)
                0.017716087 = queryNorm
              1.0351117 = fieldWeight in 4275, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5205956 = idf(docFreq=473, maxDocs=43556)
                0.1875 = fieldNorm(doc=4275)
          0.41218844 = weight(abstract_txt:light in 4275) [ClassicSimilarity], result of:
            0.41218844 = score(doc=4275,freq=2.0), product of:
              0.26117903 = queryWeight, product of:
                2.4770184 = boost
                5.951703 = idf(docFreq=307, maxDocs=43556)
                0.017716087 = queryNorm
              1.5781835 = fieldWeight in 4275, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.951703 = idf(docFreq=307, maxDocs=43556)
                0.1875 = fieldNorm(doc=4275)
          1.0843363 = weight(abstract_txt:northern in 4275) [ClassicSimilarity], result of:
            1.0843363 = score(doc=4275,freq=2.0), product of:
              0.49771848 = queryWeight, product of:
                3.4194162 = boost
                8.216067 = idf(docFreq=31, maxDocs=43556)
                0.017716087 = queryNorm
              2.1786137 = fieldWeight in 4275, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.216067 = idf(docFreq=31, maxDocs=43556)
                0.1875 = fieldNorm(doc=4275)
        0.12 = coord(3/25)
    
  5. Björk, B.-C.: ¬The hybrid model for open access publication of scholarly articles : a failed experiment? (2012) 0.16
    0.1596631 = sum of:
      0.1596631 = product of:
        0.49894717 = sum of:
          0.03616154 = weight(abstract_txt:articles in 2364) [ClassicSimilarity], result of:
            0.03616154 = score(doc=2364,freq=2.0), product of:
              0.08513533 = queryWeight, product of:
                4.805538 = idf(docFreq=968, maxDocs=43556)
                0.017716087 = queryNorm
              0.42475358 = fieldWeight in 2364, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.805538 = idf(docFreq=968, maxDocs=43556)
                0.0625 = fieldNorm(doc=2364)
          0.007275343 = weight(abstract_txt:with in 2364) [ClassicSimilarity], result of:
            0.007275343 = score(doc=2364,freq=1.0), product of:
              0.046401735 = queryWeight, product of:
                1.0440642 = boost
                2.508645 = idf(docFreq=9634, maxDocs=43556)
                0.017716087 = queryNorm
              0.15679032 = fieldWeight in 2364, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.508645 = idf(docFreq=9634, maxDocs=43556)
                0.0625 = fieldNorm(doc=2364)
          0.054680213 = weight(abstract_txt:journals in 2364) [ClassicSimilarity], result of:
            0.054680213 = score(doc=2364,freq=3.0), product of:
              0.09797945 = queryWeight, product of:
                1.0727847 = boost
                5.155308 = idf(docFreq=682, maxDocs=43556)
                0.017716087 = queryNorm
              0.5580784 = fieldWeight in 2364, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.155308 = idf(docFreq=682, maxDocs=43556)
                0.0625 = fieldNorm(doc=2364)
          0.03173202 = weight(abstract_txt:journal in 2364) [ClassicSimilarity], result of:
            0.03173202 = score(doc=2364,freq=1.0), product of:
              0.098315135 = queryWeight, product of:
                1.0746208 = boost
                5.1641316 = idf(docFreq=676, maxDocs=43556)
                0.017716087 = queryNorm
              0.32275823 = fieldWeight in 2364, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.1641316 = idf(docFreq=676, maxDocs=43556)
                0.0625 = fieldNorm(doc=2364)
          0.040654253 = weight(abstract_txt:free in 2364) [ClassicSimilarity], result of:
            0.040654253 = score(doc=2364,freq=1.0), product of:
              0.11597362 = queryWeight, product of:
                1.1671447 = boost
                5.6087584 = idf(docFreq=433, maxDocs=43556)
                0.017716087 = queryNorm
              0.3505474 = fieldWeight in 2364, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.6087584 = idf(docFreq=433, maxDocs=43556)
                0.0625 = fieldNorm(doc=2364)
          0.17667042 = weight(abstract_txt:subscription in 2364) [ClassicSimilarity], result of:
            0.17667042 = score(doc=2364,freq=3.0), product of:
              0.21413651 = queryWeight, product of:
                1.5859535 = boost
                7.62136 = idf(docFreq=57, maxDocs=43556)
                0.017716087 = queryNorm
              0.8250364 = fieldWeight in 2364, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.62136 = idf(docFreq=57, maxDocs=43556)
                0.0625 = fieldNorm(doc=2364)
          0.1308254 = weight(abstract_txt:prices in 2364) [ClassicSimilarity], result of:
            0.1308254 = score(doc=2364,freq=1.0), product of:
              0.25278422 = queryWeight, product of:
                1.723138 = boost
                8.280605 = idf(docFreq=29, maxDocs=43556)
                0.017716087 = queryNorm
              0.51753783 = fieldWeight in 2364, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.280605 = idf(docFreq=29, maxDocs=43556)
                0.0625 = fieldNorm(doc=2364)
          0.020947961 = weight(abstract_txt:from in 2364) [ClassicSimilarity], result of:
            0.020947961 = score(doc=2364,freq=2.0), product of:
              0.08532576 = queryWeight, product of:
                1.7339869 = boost
                2.77758 = idf(docFreq=7362, maxDocs=43556)
                0.017716087 = queryNorm
              0.2455057 = fieldWeight in 2364, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.77758 = idf(docFreq=7362, maxDocs=43556)
                0.0625 = fieldNorm(doc=2364)
        0.32 = coord(8/25)