Document (#20185)

Author
Yu, L.
Title
Geographic information systems in library reference services : development and challenge
Source
Reference librarian. 1998, no.60, S.87-110
Year
1998
Abstract
Discusses the concept and function of GIS and compares the use of GIS in libraries with library map collections. Reviews GIS projects in libraries and examines GIS user services and the challenge they pose. Discusses user access to GIS and argues that simplified and varied user interfaces are important to improve user access
Footnote
Part of an issue devoted to electronic resources and their use in libraries, from the viewpoint of reference services, with an emphasis on the Internet and Geographic Information Systems
Theme
Informationsdienstleistungen
Field
Geowissenschaften

Similar documents (content)

  1. Chowdhury, G.G.: Digital libraries and reference services : present and future (2002) 0.23
    0.23280217 = sum of:
      0.23280217 = product of:
        0.64667267 = sum of:
          0.018659845 = weight(abstract_txt:they in 5466) [ClassicSimilarity], result of:
            0.018659845 = score(doc=5466,freq=1.0), product of:
              0.07966212 = queryWeight, product of:
                3.7477977 = idf(docFreq=2845, maxDocs=44421)
                0.021255715 = queryNorm
              0.23423736 = fieldWeight in 5466, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.7477977 = idf(docFreq=2845, maxDocs=44421)
                0.0625 = fieldNorm(doc=5466)
          0.07056129 = weight(abstract_txt:reference in 5466) [ClassicSimilarity], result of:
            0.07056129 = score(doc=5466,freq=5.0), product of:
              0.113075234 = queryWeight, product of:
                1.1914006 = boost
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.021255715 = queryNorm
              0.6240207 = fieldWeight in 5466, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.0625 = fieldNorm(doc=5466)
          0.04297184 = weight(abstract_txt:reviews in 5466) [ClassicSimilarity], result of:
            0.04297184 = score(doc=5466,freq=1.0), product of:
              0.1389214 = queryWeight, product of:
                1.3205615 = boost
                4.9491973 = idf(docFreq=855, maxDocs=44421)
                0.021255715 = queryNorm
              0.30932483 = fieldWeight in 5466, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9491973 = idf(docFreq=855, maxDocs=44421)
                0.0625 = fieldNorm(doc=5466)
          0.04318607 = weight(abstract_txt:improve in 5466) [ClassicSimilarity], result of:
            0.04318607 = score(doc=5466,freq=1.0), product of:
              0.13938272 = queryWeight, product of:
                1.3227524 = boost
                4.9574084 = idf(docFreq=848, maxDocs=44421)
                0.021255715 = queryNorm
              0.30983803 = fieldWeight in 5466, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9574084 = idf(docFreq=848, maxDocs=44421)
                0.0625 = fieldNorm(doc=5466)
          0.03981867 = weight(abstract_txt:library in 5466) [ClassicSimilarity], result of:
            0.03981867 = score(doc=5466,freq=3.0), product of:
              0.11534725 = queryWeight, product of:
                1.701738 = boost
                3.188885 = idf(docFreq=4976, maxDocs=44421)
                0.021255715 = queryNorm
              0.34520692 = fieldWeight in 5466, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.188885 = idf(docFreq=4976, maxDocs=44421)
                0.0625 = fieldNorm(doc=5466)
          0.048796624 = weight(abstract_txt:access in 5466) [ClassicSimilarity], result of:
            0.048796624 = score(doc=5466,freq=2.0), product of:
              0.1512074 = queryWeight, product of:
                1.9483886 = boost
                3.6510832 = idf(docFreq=3134, maxDocs=44421)
                0.021255715 = queryNorm
              0.3227132 = fieldWeight in 5466, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6510832 = idf(docFreq=3134, maxDocs=44421)
                0.0625 = fieldNorm(doc=5466)
          0.10870141 = weight(abstract_txt:libraries in 5466) [ClassicSimilarity], result of:
            0.10870141 = score(doc=5466,freq=8.0), product of:
              0.16247378 = queryWeight, product of:
                2.0196714 = boost
                3.78466 = idf(docFreq=2742, maxDocs=44421)
                0.021255715 = queryNorm
              0.66903967 = fieldWeight in 5466, product of:
                2.828427 = tf(freq=8.0), with freq of:
                  8.0 = termFreq=8.0
                3.78466 = idf(docFreq=2742, maxDocs=44421)
                0.0625 = fieldNorm(doc=5466)
          0.17397563 = weight(abstract_txt:services in 5466) [ClassicSimilarity], result of:
            0.17397563 = score(doc=5466,freq=11.0), product of:
              0.19991769 = queryWeight, product of:
                2.2403438 = boost
                4.198178 = idf(docFreq=1813, maxDocs=44421)
                0.021255715 = queryNorm
              0.87023634 = fieldWeight in 5466, product of:
                3.3166249 = tf(freq=11.0), with freq of:
                  11.0 = termFreq=11.0
                4.198178 = idf(docFreq=1813, maxDocs=44421)
                0.0625 = fieldNorm(doc=5466)
          0.10000125 = weight(abstract_txt:user in 5466) [ClassicSimilarity], result of:
            0.10000125 = score(doc=5466,freq=2.0), product of:
              0.30736905 = queryWeight, product of:
                3.9285667 = boost
                3.6808684 = idf(docFreq=3042, maxDocs=44421)
                0.021255715 = queryNorm
              0.32534587 = fieldWeight in 5466, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6808684 = idf(docFreq=3042, maxDocs=44421)
                0.0625 = fieldNorm(doc=5466)
        0.36 = coord(9/25)
    
  2. Stephens, D.: Managing the Web-enhanced geographic information service (1997) 0.23
    0.22777161 = sum of:
      0.22777161 = product of:
        0.6326989 = sum of:
          0.039444957 = weight(abstract_txt:reference in 3719) [ClassicSimilarity], result of:
            0.039444957 = score(doc=3719,freq=1.0), product of:
              0.113075234 = queryWeight, product of:
                1.1914006 = boost
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.021255715 = queryNorm
              0.34883815 = fieldWeight in 3719, 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=3719)
          0.042619374 = weight(abstract_txt:examines in 3719) [ClassicSimilarity], result of:
            0.042619374 = score(doc=3719,freq=1.0), product of:
              0.11906329 = queryWeight, product of:
                1.2225398 = boost
                4.581832 = idf(docFreq=1235, maxDocs=44421)
                0.021255715 = queryNorm
              0.35795563 = fieldWeight in 3719, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.581832 = idf(docFreq=1235, maxDocs=44421)
                0.078125 = fieldNorm(doc=3719)
          0.045929123 = weight(abstract_txt:collections in 3719) [ClassicSimilarity], result of:
            0.045929123 = score(doc=3719,freq=1.0), product of:
              0.12515031 = queryWeight, product of:
                1.253401 = boost
                4.6974936 = idf(docFreq=1100, maxDocs=44421)
                0.021255715 = queryNorm
              0.3669917 = fieldWeight in 3719, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6974936 = idf(docFreq=1100, maxDocs=44421)
                0.078125 = fieldNorm(doc=3719)
          0.02873665 = weight(abstract_txt:library in 3719) [ClassicSimilarity], result of:
            0.02873665 = score(doc=3719,freq=1.0), product of:
              0.11534725 = queryWeight, product of:
                1.701738 = boost
                3.188885 = idf(docFreq=4976, maxDocs=44421)
                0.021255715 = queryNorm
              0.24913163 = fieldWeight in 3719, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.188885 = idf(docFreq=4976, maxDocs=44421)
                0.078125 = fieldNorm(doc=3719)
          0.21663211 = weight(abstract_txt:geographic in 3719) [ClassicSimilarity], result of:
            0.21663211 = score(doc=3719,freq=3.0), product of:
              0.2440514 = queryWeight, product of:
                1.750309 = boost
                6.559804 = idf(docFreq=170, maxDocs=44421)
                0.021255715 = queryNorm
              0.88764954 = fieldWeight in 3719, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.559804 = idf(docFreq=170, maxDocs=44421)
                0.078125 = fieldNorm(doc=3719)
          0.043130536 = weight(abstract_txt:access in 3719) [ClassicSimilarity], result of:
            0.043130536 = score(doc=3719,freq=1.0), product of:
              0.1512074 = queryWeight, product of:
                1.9483886 = boost
                3.6510832 = idf(docFreq=3134, maxDocs=44421)
                0.021255715 = queryNorm
              0.2852409 = fieldWeight in 3719, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6510832 = idf(docFreq=3134, maxDocs=44421)
                0.078125 = fieldNorm(doc=3719)
          0.04803969 = weight(abstract_txt:libraries in 3719) [ClassicSimilarity], result of:
            0.04803969 = score(doc=3719,freq=1.0), product of:
              0.16247378 = queryWeight, product of:
                2.0196714 = boost
                3.78466 = idf(docFreq=2742, maxDocs=44421)
                0.021255715 = queryNorm
              0.29567656 = fieldWeight in 3719, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.78466 = idf(docFreq=2742, maxDocs=44421)
                0.078125 = fieldNorm(doc=3719)
          0.054596715 = weight(abstract_txt:discusses in 3719) [ClassicSimilarity], result of:
            0.054596715 = score(doc=3719,freq=1.0), product of:
              0.1769406 = queryWeight, product of:
                2.107671 = boost
                3.9495623 = idf(docFreq=2325, maxDocs=44421)
                0.021255715 = queryNorm
              0.30855957 = fieldWeight in 3719, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9495623 = idf(docFreq=2325, maxDocs=44421)
                0.078125 = fieldNorm(doc=3719)
          0.11356975 = weight(abstract_txt:services in 3719) [ClassicSimilarity], result of:
            0.11356975 = score(doc=3719,freq=3.0), product of:
              0.19991769 = queryWeight, product of:
                2.2403438 = boost
                4.198178 = idf(docFreq=1813, maxDocs=44421)
                0.021255715 = queryNorm
              0.5680826 = fieldWeight in 3719, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.198178 = idf(docFreq=1813, maxDocs=44421)
                0.078125 = fieldNorm(doc=3719)
        0.36 = coord(9/25)
    
  3. Barnes, S.J.: ¬The electronic library and public services (1994) 0.22
    0.22408874 = sum of:
      0.22408874 = product of:
        0.6224687 = sum of:
          0.030237183 = weight(abstract_txt:development in 897) [ClassicSimilarity], result of:
            0.030237183 = score(doc=897,freq=1.0), product of:
              0.08387127 = queryWeight, product of:
                1.0260787 = boost
                3.8455355 = idf(docFreq=2580, maxDocs=44421)
                0.021255715 = queryNorm
              0.36051896 = fieldWeight in 897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8455355 = idf(docFreq=2580, maxDocs=44421)
                0.09375 = fieldNorm(doc=897)
          0.055114947 = weight(abstract_txt:collections in 897) [ClassicSimilarity], result of:
            0.055114947 = score(doc=897,freq=1.0), product of:
              0.12515031 = queryWeight, product of:
                1.253401 = boost
                4.6974936 = idf(docFreq=1100, maxDocs=44421)
                0.021255715 = queryNorm
              0.44039002 = fieldWeight in 897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6974936 = idf(docFreq=1100, maxDocs=44421)
                0.09375 = fieldNorm(doc=897)
          0.06445775 = weight(abstract_txt:reviews in 897) [ClassicSimilarity], result of:
            0.06445775 = score(doc=897,freq=1.0), product of:
              0.1389214 = queryWeight, product of:
                1.3205615 = boost
                4.9491973 = idf(docFreq=855, maxDocs=44421)
                0.021255715 = queryNorm
              0.46398723 = fieldWeight in 897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9491973 = idf(docFreq=855, maxDocs=44421)
                0.09375 = fieldNorm(doc=897)
          0.06896796 = weight(abstract_txt:library in 897) [ClassicSimilarity], result of:
            0.06896796 = score(doc=897,freq=4.0), product of:
              0.11534725 = queryWeight, product of:
                1.701738 = boost
                3.188885 = idf(docFreq=4976, maxDocs=44421)
                0.021255715 = queryNorm
              0.59791595 = fieldWeight in 897, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                3.188885 = idf(docFreq=4976, maxDocs=44421)
                0.09375 = fieldNorm(doc=897)
          0.15008713 = weight(abstract_txt:geographic in 897) [ClassicSimilarity], result of:
            0.15008713 = score(doc=897,freq=1.0), product of:
              0.2440514 = queryWeight, product of:
                1.750309 = boost
                6.559804 = idf(docFreq=170, maxDocs=44421)
                0.021255715 = queryNorm
              0.61498165 = fieldWeight in 897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.559804 = idf(docFreq=170, maxDocs=44421)
                0.09375 = fieldNorm(doc=897)
          0.05175664 = weight(abstract_txt:access in 897) [ClassicSimilarity], result of:
            0.05175664 = score(doc=897,freq=1.0), product of:
              0.1512074 = queryWeight, product of:
                1.9483886 = boost
                3.6510832 = idf(docFreq=3134, maxDocs=44421)
                0.021255715 = queryNorm
              0.34228906 = fieldWeight in 897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6510832 = idf(docFreq=3134, maxDocs=44421)
                0.09375 = fieldNorm(doc=897)
          0.057647627 = weight(abstract_txt:libraries in 897) [ClassicSimilarity], result of:
            0.057647627 = score(doc=897,freq=1.0), product of:
              0.16247378 = queryWeight, product of:
                2.0196714 = boost
                3.78466 = idf(docFreq=2742, maxDocs=44421)
                0.021255715 = queryNorm
              0.35481188 = fieldWeight in 897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.78466 = idf(docFreq=2742, maxDocs=44421)
                0.09375 = fieldNorm(doc=897)
          0.06551606 = weight(abstract_txt:discusses in 897) [ClassicSimilarity], result of:
            0.06551606 = score(doc=897,freq=1.0), product of:
              0.1769406 = queryWeight, product of:
                2.107671 = boost
                3.9495623 = idf(docFreq=2325, maxDocs=44421)
                0.021255715 = queryNorm
              0.37027147 = fieldWeight in 897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9495623 = idf(docFreq=2325, maxDocs=44421)
                0.09375 = fieldNorm(doc=897)
          0.07868344 = weight(abstract_txt:services in 897) [ClassicSimilarity], result of:
            0.07868344 = score(doc=897,freq=1.0), product of:
              0.19991769 = queryWeight, product of:
                2.2403438 = boost
                4.198178 = idf(docFreq=1813, maxDocs=44421)
                0.021255715 = queryNorm
              0.39357919 = fieldWeight in 897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.198178 = idf(docFreq=1813, maxDocs=44421)
                0.09375 = fieldNorm(doc=897)
        0.36 = coord(9/25)
    
  4. Stone, P.; Hume, C.; Smith, P.: Project EARL (Electronic Access to Resources in Libraries : networking for public libraries information and resource sharing via the Internet (1997) 0.21
    0.20798697 = sum of:
      0.20798697 = product of:
        0.64995927 = sum of:
          0.049888805 = weight(abstract_txt:development in 1082) [ClassicSimilarity], result of:
            0.049888805 = score(doc=1082,freq=2.0), product of:
              0.08387127 = queryWeight, product of:
                1.0260787 = boost
                3.8455355 = idf(docFreq=2580, maxDocs=44421)
                0.021255715 = queryNorm
              0.5948259 = fieldWeight in 1082, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.8455355 = idf(docFreq=2580, maxDocs=44421)
                0.109375 = fieldNorm(doc=1082)
          0.075200714 = weight(abstract_txt:reviews in 1082) [ClassicSimilarity], result of:
            0.075200714 = score(doc=1082,freq=1.0), product of:
              0.1389214 = queryWeight, product of:
                1.3205615 = boost
                4.9491973 = idf(docFreq=855, maxDocs=44421)
                0.021255715 = queryNorm
              0.5413185 = fieldWeight in 1082, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9491973 = idf(docFreq=855, maxDocs=44421)
                0.109375 = fieldNorm(doc=1082)
          0.07557561 = weight(abstract_txt:improve in 1082) [ClassicSimilarity], result of:
            0.07557561 = score(doc=1082,freq=1.0), product of:
              0.13938272 = queryWeight, product of:
                1.3227524 = boost
                4.9574084 = idf(docFreq=848, maxDocs=44421)
                0.021255715 = queryNorm
              0.54221654 = fieldWeight in 1082, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9574084 = idf(docFreq=848, maxDocs=44421)
                0.109375 = fieldNorm(doc=1082)
          0.04023131 = weight(abstract_txt:library in 1082) [ClassicSimilarity], result of:
            0.04023131 = score(doc=1082,freq=1.0), product of:
              0.11534725 = queryWeight, product of:
                1.701738 = boost
                3.188885 = idf(docFreq=4976, maxDocs=44421)
                0.021255715 = queryNorm
              0.3487843 = fieldWeight in 1082, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.188885 = idf(docFreq=4976, maxDocs=44421)
                0.109375 = fieldNorm(doc=1082)
          0.060382746 = weight(abstract_txt:access in 1082) [ClassicSimilarity], result of:
            0.060382746 = score(doc=1082,freq=1.0), product of:
              0.1512074 = queryWeight, product of:
                1.9483886 = boost
                3.6510832 = idf(docFreq=3134, maxDocs=44421)
                0.021255715 = queryNorm
              0.39933723 = fieldWeight in 1082, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6510832 = idf(docFreq=3134, maxDocs=44421)
                0.109375 = fieldNorm(doc=1082)
          0.09511373 = weight(abstract_txt:libraries in 1082) [ClassicSimilarity], result of:
            0.09511373 = score(doc=1082,freq=2.0), product of:
              0.16247378 = queryWeight, product of:
                2.0196714 = boost
                3.78466 = idf(docFreq=2742, maxDocs=44421)
                0.021255715 = queryNorm
              0.5854097 = fieldWeight in 1082, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.78466 = idf(docFreq=2742, maxDocs=44421)
                0.109375 = fieldNorm(doc=1082)
          0.12982105 = weight(abstract_txt:services in 1082) [ClassicSimilarity], result of:
            0.12982105 = score(doc=1082,freq=2.0), product of:
              0.19991769 = queryWeight, product of:
                2.2403438 = boost
                4.198178 = idf(docFreq=1813, maxDocs=44421)
                0.021255715 = queryNorm
              0.6493725 = fieldWeight in 1082, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.198178 = idf(docFreq=1813, maxDocs=44421)
                0.109375 = fieldNorm(doc=1082)
          0.12374524 = weight(abstract_txt:user in 1082) [ClassicSimilarity], result of:
            0.12374524 = score(doc=1082,freq=1.0), product of:
              0.30736905 = queryWeight, product of:
                3.9285667 = boost
                3.6808684 = idf(docFreq=3042, maxDocs=44421)
                0.021255715 = queryNorm
              0.40259498 = fieldWeight in 1082, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6808684 = idf(docFreq=3042, maxDocs=44421)
                0.109375 = fieldNorm(doc=1082)
        0.32 = coord(8/25)
    
  5. Papandrea, V.A.: Managing reference services in the electronic age : a competing values approach to effectiveness (1998) 0.20
    0.2025504 = sum of:
      0.2025504 = product of:
        0.7233943 = sum of:
          0.081984796 = weight(abstract_txt:reference in 3187) [ClassicSimilarity], result of:
            0.081984796 = score(doc=3187,freq=3.0), product of:
              0.113075234 = queryWeight, product of:
                1.1914006 = boost
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.021255715 = queryNorm
              0.72504646 = fieldWeight in 3187, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.09375 = fieldNorm(doc=3187)
          0.051143248 = weight(abstract_txt:examines in 3187) [ClassicSimilarity], result of:
            0.051143248 = score(doc=3187,freq=1.0), product of:
              0.11906329 = queryWeight, product of:
                1.2225398 = boost
                4.581832 = idf(docFreq=1235, maxDocs=44421)
                0.021255715 = queryNorm
              0.42954674 = fieldWeight in 3187, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.581832 = idf(docFreq=1235, maxDocs=44421)
                0.09375 = fieldNorm(doc=3187)
          0.11158167 = weight(abstract_txt:argues in 3187) [ClassicSimilarity], result of:
            0.11158167 = score(doc=3187,freq=1.0), product of:
              0.2002846 = queryWeight, product of:
                1.5856154 = boost
                5.942566 = idf(docFreq=316, maxDocs=44421)
                0.021255715 = queryNorm
              0.55711555 = fieldWeight in 3187, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.942566 = idf(docFreq=316, maxDocs=44421)
                0.09375 = fieldNorm(doc=3187)
          0.08152605 = weight(abstract_txt:libraries in 3187) [ClassicSimilarity], result of:
            0.08152605 = score(doc=3187,freq=2.0), product of:
              0.16247378 = queryWeight, product of:
                2.0196714 = boost
                3.78466 = idf(docFreq=2742, maxDocs=44421)
                0.021255715 = queryNorm
              0.50177974 = fieldWeight in 3187, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.78466 = idf(docFreq=2742, maxDocs=44421)
                0.09375 = fieldNorm(doc=3187)
          0.06551606 = weight(abstract_txt:discusses in 3187) [ClassicSimilarity], result of:
            0.06551606 = score(doc=3187,freq=1.0), product of:
              0.1769406 = queryWeight, product of:
                2.107671 = boost
                3.9495623 = idf(docFreq=2325, maxDocs=44421)
                0.021255715 = queryNorm
              0.37027147 = fieldWeight in 3187, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9495623 = idf(docFreq=2325, maxDocs=44421)
                0.09375 = fieldNorm(doc=3187)
          0.11127518 = weight(abstract_txt:services in 3187) [ClassicSimilarity], result of:
            0.11127518 = score(doc=3187,freq=2.0), product of:
              0.19991769 = queryWeight, product of:
                2.2403438 = boost
                4.198178 = idf(docFreq=1813, maxDocs=44421)
                0.021255715 = queryNorm
              0.556605 = fieldWeight in 3187, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.198178 = idf(docFreq=1813, maxDocs=44421)
                0.09375 = fieldNorm(doc=3187)
          0.22036724 = weight(abstract_txt:challenge in 3187) [ClassicSimilarity], result of:
            0.22036724 = score(doc=3187,freq=1.0), product of:
              0.39721626 = queryWeight, product of:
                3.1579306 = boost
                5.9176426 = idf(docFreq=324, maxDocs=44421)
                0.021255715 = queryNorm
              0.554779 = fieldWeight in 3187, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.9176426 = idf(docFreq=324, maxDocs=44421)
                0.09375 = fieldNorm(doc=3187)
        0.28 = coord(7/25)