Document (#7232)

Author
Broske, J.M. de
Title
Electronic reference : the school library revolution
Source
Bookmark. 50(1991) no.1, S.19-20
Year
1991
Abstract
Describes the historical development of electronic reference sources which are available for student research. Examines the affect of these changes on school library media specialists
Theme
Informationsmittel

Similar documents (content)

  1. Ray, J.T.: Resource-based teaching : media specialists and teachers as partners in curriculum development and the teaching of library and information skills (1994) 0.44
    0.44003385 = sum of:
      0.44003385 = product of:
        0.9289603 = sum of:
          0.014267658 = weight(abstract_txt:which in 1179) [ClassicSimilarity], result of:
            0.014267658 = score(doc=1179,freq=1.0), product of:
              0.062255472 = queryWeight, product of:
                2.9334934 = idf(docFreq=6181, maxDocs=42740)
                0.021222299 = queryNorm
              0.22917917 = fieldWeight in 1179, 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=1179)
          0.026536297 = weight(abstract_txt:research in 1179) [ClassicSimilarity], result of:
            0.026536297 = score(doc=1179,freq=2.0), product of:
              0.0747296 = queryWeight, product of:
                1.095614 = boost
                3.2139761 = idf(docFreq=4669, maxDocs=42740)
                0.021222299 = queryNorm
              0.35509753 = fieldWeight in 1179, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.2139761 = idf(docFreq=4669, maxDocs=42740)
                0.078125 = fieldNorm(doc=1179)
          0.03245072 = weight(abstract_txt:development in 1179) [ClassicSimilarity], result of:
            0.03245072 = score(doc=1179,freq=1.0), product of:
              0.10766932 = queryWeight, product of:
                1.3150953 = boost
                3.8578234 = idf(docFreq=2452, maxDocs=42740)
                0.021222299 = queryNorm
              0.30139244 = fieldWeight in 1179, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8578234 = idf(docFreq=2452, maxDocs=42740)
                0.078125 = fieldNorm(doc=1179)
          0.045084264 = weight(abstract_txt:available in 1179) [ClassicSimilarity], result of:
            0.045084264 = score(doc=1179,freq=1.0), product of:
              0.1340579 = queryWeight, product of:
                1.4674301 = boost
                4.3046966 = idf(docFreq=1568, maxDocs=42740)
                0.021222299 = queryNorm
              0.33630443 = fieldWeight in 1179, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3046966 = idf(docFreq=1568, maxDocs=42740)
                0.078125 = fieldNorm(doc=1179)
          0.13311364 = weight(abstract_txt:media in 1179) [ClassicSimilarity], result of:
            0.13311364 = score(doc=1179,freq=3.0), product of:
              0.1913009 = queryWeight, product of:
                1.7529508 = boost
                5.1422696 = idf(docFreq=678, maxDocs=42740)
                0.021222299 = queryNorm
              0.6958338 = fieldWeight in 1179, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.1422696 = idf(docFreq=678, maxDocs=42740)
                0.078125 = fieldNorm(doc=1179)
          0.06315042 = weight(abstract_txt:library in 1179) [ClassicSimilarity], result of:
            0.06315042 = score(doc=1179,freq=3.0), product of:
              0.14660975 = queryWeight, product of:
                2.1702394 = boost
                3.1831915 = idf(docFreq=4815, maxDocs=42740)
                0.021222299 = queryNorm
              0.4307382 = fieldWeight in 1179, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.1831915 = idf(docFreq=4815, maxDocs=42740)
                0.078125 = fieldNorm(doc=1179)
          0.17675182 = weight(abstract_txt:specialists in 1179) [ClassicSimilarity], result of:
            0.17675182 = score(doc=1179,freq=1.0), product of:
              0.33331257 = queryWeight, product of:
                2.31386 = boost
                6.787693 = idf(docFreq=130, maxDocs=42740)
                0.021222299 = queryNorm
              0.5302885 = fieldWeight in 1179, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.787693 = idf(docFreq=130, maxDocs=42740)
                0.078125 = fieldNorm(doc=1179)
          0.14085783 = weight(abstract_txt:reference in 1179) [ClassicSimilarity], result of:
            0.14085783 = score(doc=1179,freq=2.0), product of:
              0.28650337 = queryWeight, product of:
                3.033829 = boost
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.021222299 = queryNorm
              0.49164456 = fieldWeight in 1179, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.078125 = fieldNorm(doc=1179)
          0.29674765 = weight(abstract_txt:school in 1179) [ClassicSimilarity], result of:
            0.29674765 = score(doc=1179,freq=2.0), product of:
              0.47083342 = queryWeight, product of:
                3.8891964 = boost
                5.704466 = idf(docFreq=386, maxDocs=42740)
                0.021222299 = queryNorm
              0.6302604 = fieldWeight in 1179, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.704466 = idf(docFreq=386, maxDocs=42740)
                0.078125 = fieldNorm(doc=1179)
        0.47368422 = coord(9/19)
    
  2. Tenopir, C.: Choices for electronic reference (1993) 0.43
    0.43320927 = sum of:
      0.43320927 = product of:
        1.028872 = sum of:
          0.03016096 = weight(abstract_txt:these in 6569) [ClassicSimilarity], result of:
            0.03016096 = score(doc=6569,freq=1.0), product of:
              0.07495936 = queryWeight, product of:
                1.097297 = boost
                3.2189133 = idf(docFreq=4646, maxDocs=42740)
                0.021222299 = queryNorm
              0.40236416 = fieldWeight in 6569, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.2189133 = idf(docFreq=4646, maxDocs=42740)
                0.125 = fieldNorm(doc=6569)
          0.07213482 = weight(abstract_txt:available in 6569) [ClassicSimilarity], result of:
            0.07213482 = score(doc=6569,freq=1.0), product of:
              0.1340579 = queryWeight, product of:
                1.4674301 = boost
                4.3046966 = idf(docFreq=1568, maxDocs=42740)
                0.021222299 = queryNorm
              0.53808707 = fieldWeight in 6569, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3046966 = idf(docFreq=1568, maxDocs=42740)
                0.125 = fieldNorm(doc=6569)
          0.16915695 = weight(abstract_txt:sources in 6569) [ClassicSimilarity], result of:
            0.16915695 = score(doc=6569,freq=3.0), product of:
              0.16406475 = queryWeight, product of:
                1.623375 = boost
                4.76216 = idf(docFreq=992, maxDocs=42740)
                0.021222299 = queryNorm
              1.0310378 = fieldWeight in 6569, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.76216 = idf(docFreq=992, maxDocs=42740)
                0.125 = fieldNorm(doc=6569)
          0.1229651 = weight(abstract_txt:media in 6569) [ClassicSimilarity], result of:
            0.1229651 = score(doc=6569,freq=1.0), product of:
              0.1913009 = queryWeight, product of:
                1.7529508 = boost
                5.1422696 = idf(docFreq=678, maxDocs=42740)
                0.021222299 = queryNorm
              0.6427837 = fieldWeight in 6569, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.1422696 = idf(docFreq=678, maxDocs=42740)
                0.125 = fieldNorm(doc=6569)
          0.16136049 = weight(abstract_txt:historical in 6569) [ClassicSimilarity], result of:
            0.16136049 = score(doc=6569,freq=1.0), product of:
              0.22929463 = queryWeight, product of:
                1.9191467 = boost
                5.629804 = idf(docFreq=416, maxDocs=42740)
                0.021222299 = queryNorm
              0.7037255 = fieldWeight in 6569, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.629804 = idf(docFreq=416, maxDocs=42740)
                0.125 = fieldNorm(doc=6569)
          0.058335867 = weight(abstract_txt:library in 6569) [ClassicSimilarity], result of:
            0.058335867 = score(doc=6569,freq=1.0), product of:
              0.14660975 = queryWeight, product of:
                2.1702394 = boost
                3.1831915 = idf(docFreq=4815, maxDocs=42740)
                0.021222299 = queryNorm
              0.39789894 = fieldWeight in 6569, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1831915 = idf(docFreq=4815, maxDocs=42740)
                0.125 = fieldNorm(doc=6569)
          0.13873406 = weight(abstract_txt:electronic in 6569) [ClassicSimilarity], result of:
            0.13873406 = score(doc=6569,freq=1.0), product of:
              0.26121283 = queryWeight, product of:
                2.8968332 = boost
                4.2489204 = idf(docFreq=1658, maxDocs=42740)
                0.021222299 = queryNorm
              0.53111506 = fieldWeight in 6569, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.2489204 = idf(docFreq=1658, maxDocs=42740)
                0.125 = fieldNorm(doc=6569)
          0.27602383 = weight(abstract_txt:reference in 6569) [ClassicSimilarity], result of:
            0.27602383 = score(doc=6569,freq=3.0), product of:
              0.28650337 = queryWeight, product of:
                3.033829 = boost
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.021222299 = queryNorm
              0.96342266 = fieldWeight in 6569, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.125 = fieldNorm(doc=6569)
        0.42105263 = coord(8/19)
    
  3. Farmer, L.S.J.: Providing reference services for young adults : school and public librarian partnerships (1998) 0.36
    0.3581109 = sum of:
      0.3581109 = product of:
        1.134018 = sum of:
          0.04543101 = weight(abstract_txt:development in 3207) [ClassicSimilarity], result of:
            0.04543101 = score(doc=3207,freq=1.0), product of:
              0.10766932 = queryWeight, product of:
                1.3150953 = boost
                3.8578234 = idf(docFreq=2452, maxDocs=42740)
                0.021222299 = queryNorm
              0.42194945 = fieldWeight in 3207, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8578234 = idf(docFreq=2452, maxDocs=42740)
                0.109375 = fieldNorm(doc=3207)
          0.063117966 = weight(abstract_txt:available in 3207) [ClassicSimilarity], result of:
            0.063117966 = score(doc=3207,freq=1.0), product of:
              0.1340579 = queryWeight, product of:
                1.4674301 = boost
                4.3046966 = idf(docFreq=1568, maxDocs=42740)
                0.021222299 = queryNorm
              0.47082618 = fieldWeight in 3207, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3046966 = idf(docFreq=1568, maxDocs=42740)
                0.109375 = fieldNorm(doc=3207)
          0.051043883 = weight(abstract_txt:library in 3207) [ClassicSimilarity], result of:
            0.051043883 = score(doc=3207,freq=1.0), product of:
              0.14660975 = queryWeight, product of:
                2.1702394 = boost
                3.1831915 = idf(docFreq=4815, maxDocs=42740)
                0.021222299 = queryNorm
              0.34816158 = fieldWeight in 3207, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1831915 = idf(docFreq=4815, maxDocs=42740)
                0.109375 = fieldNorm(doc=3207)
          0.24745256 = weight(abstract_txt:specialists in 3207) [ClassicSimilarity], result of:
            0.24745256 = score(doc=3207,freq=1.0), product of:
              0.33331257 = queryWeight, product of:
                2.31386 = boost
                6.787693 = idf(docFreq=130, maxDocs=42740)
                0.021222299 = queryNorm
              0.7424039 = fieldWeight in 3207, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.787693 = idf(docFreq=130, maxDocs=42740)
                0.109375 = fieldNorm(doc=3207)
          0.13944213 = weight(abstract_txt:reference in 3207) [ClassicSimilarity], result of:
            0.13944213 = score(doc=3207,freq=1.0), product of:
              0.28650337 = queryWeight, product of:
                3.033829 = boost
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.021222299 = queryNorm
              0.48670328 = fieldWeight in 3207, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.109375 = fieldNorm(doc=3207)
          0.5875304 = weight(abstract_txt:school in 3207) [ClassicSimilarity], result of:
            0.5875304 = score(doc=3207,freq=4.0), product of:
              0.47083342 = queryWeight, product of:
                3.8891964 = boost
                5.704466 = idf(docFreq=386, maxDocs=42740)
                0.021222299 = queryNorm
              1.2478518 = fieldWeight in 3207, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.704466 = idf(docFreq=386, maxDocs=42740)
                0.109375 = fieldNorm(doc=3207)
        0.31578946 = coord(6/19)
    
  4. Machovec, G.S.: Key elements in using technology for library support in distance education (1997) 0.34
    0.34165645 = sum of:
      0.34165645 = product of:
        0.9273532 = sum of:
          0.019974722 = weight(abstract_txt:which in 4020) [ClassicSimilarity], result of:
            0.019974722 = score(doc=4020,freq=1.0), product of:
              0.062255472 = queryWeight, product of:
                2.9334934 = idf(docFreq=6181, maxDocs=42740)
                0.021222299 = queryNorm
              0.32085085 = fieldWeight in 4020, 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=4020)
          0.04543101 = weight(abstract_txt:development in 4020) [ClassicSimilarity], result of:
            0.04543101 = score(doc=4020,freq=1.0), product of:
              0.10766932 = queryWeight, product of:
                1.3150953 = boost
                3.8578234 = idf(docFreq=2452, maxDocs=42740)
                0.021222299 = queryNorm
              0.42194945 = fieldWeight in 4020, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8578234 = idf(docFreq=2452, maxDocs=42740)
                0.109375 = fieldNorm(doc=4020)
          0.051043883 = weight(abstract_txt:library in 4020) [ClassicSimilarity], result of:
            0.051043883 = score(doc=4020,freq=1.0), product of:
              0.14660975 = queryWeight, product of:
                2.1702394 = boost
                3.1831915 = idf(docFreq=4815, maxDocs=42740)
                0.021222299 = queryNorm
              0.34816158 = fieldWeight in 4020, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1831915 = idf(docFreq=4815, maxDocs=42740)
                0.109375 = fieldNorm(doc=4020)
          0.21375127 = weight(abstract_txt:student in 4020) [ClassicSimilarity], result of:
            0.21375127 = score(doc=4020,freq=1.0), product of:
              0.3023172 = queryWeight, product of:
                2.2036502 = boost
                6.4643936 = idf(docFreq=180, maxDocs=42740)
                0.021222299 = queryNorm
              0.70704305 = fieldWeight in 4020, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.4643936 = idf(docFreq=180, maxDocs=42740)
                0.109375 = fieldNorm(doc=4020)
          0.24745256 = weight(abstract_txt:specialists in 4020) [ClassicSimilarity], result of:
            0.24745256 = score(doc=4020,freq=1.0), product of:
              0.33331257 = queryWeight, product of:
                2.31386 = boost
                6.787693 = idf(docFreq=130, maxDocs=42740)
                0.021222299 = queryNorm
              0.7424039 = fieldWeight in 4020, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.787693 = idf(docFreq=130, maxDocs=42740)
                0.109375 = fieldNorm(doc=4020)
          0.21025765 = weight(abstract_txt:electronic in 4020) [ClassicSimilarity], result of:
            0.21025765 = score(doc=4020,freq=3.0), product of:
              0.26121283 = queryWeight, product of:
                2.8968332 = boost
                4.2489204 = idf(docFreq=1658, maxDocs=42740)
                0.021222299 = queryNorm
              0.8049285 = fieldWeight in 4020, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.2489204 = idf(docFreq=1658, maxDocs=42740)
                0.109375 = fieldNorm(doc=4020)
          0.13944213 = weight(abstract_txt:reference in 4020) [ClassicSimilarity], result of:
            0.13944213 = score(doc=4020,freq=1.0), product of:
              0.28650337 = queryWeight, product of:
                3.033829 = boost
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.021222299 = queryNorm
              0.48670328 = fieldWeight in 4020, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.109375 = fieldNorm(doc=4020)
        0.36842105 = coord(7/19)
    
  5. Liebscher, P.; Marchionini, G.: Browse and analytical search strategies in a full-text CD-ROM encyclopedia (1988) 0.33
    0.3291772 = sum of:
      0.3291772 = product of:
        0.89348096 = sum of:
          0.014267658 = weight(abstract_txt:which in 3422) [ClassicSimilarity], result of:
            0.014267658 = score(doc=3422,freq=1.0), product of:
              0.062255472 = queryWeight, product of:
                2.9334934 = idf(docFreq=6181, maxDocs=42740)
                0.021222299 = queryNorm
              0.22917917 = fieldWeight in 3422, 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=3422)
          0.0188506 = weight(abstract_txt:these in 3422) [ClassicSimilarity], result of:
            0.0188506 = score(doc=3422,freq=1.0), product of:
              0.07495936 = queryWeight, product of:
                1.097297 = boost
                3.2189133 = idf(docFreq=4646, maxDocs=42740)
                0.021222299 = queryNorm
              0.2514776 = fieldWeight in 3422, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.2189133 = idf(docFreq=4646, maxDocs=42740)
                0.078125 = fieldNorm(doc=3422)
          0.10868681 = weight(abstract_txt:media in 3422) [ClassicSimilarity], result of:
            0.10868681 = score(doc=3422,freq=2.0), product of:
              0.1913009 = queryWeight, product of:
                1.7529508 = boost
                5.1422696 = idf(docFreq=678, maxDocs=42740)
                0.021222299 = queryNorm
              0.5681459 = fieldWeight in 3422, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.1422696 = idf(docFreq=678, maxDocs=42740)
                0.078125 = fieldNorm(doc=3422)
          0.051562108 = weight(abstract_txt:library in 3422) [ClassicSimilarity], result of:
            0.051562108 = score(doc=3422,freq=2.0), product of:
              0.14660975 = queryWeight, product of:
                2.1702394 = boost
                3.1831915 = idf(docFreq=4815, maxDocs=42740)
                0.021222299 = queryNorm
              0.3516963 = fieldWeight in 3422, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.1831915 = idf(docFreq=4815, maxDocs=42740)
                0.078125 = fieldNorm(doc=3422)
          0.24996482 = weight(abstract_txt:specialists in 3422) [ClassicSimilarity], result of:
            0.24996482 = score(doc=3422,freq=2.0), product of:
              0.33331257 = queryWeight, product of:
                2.31386 = boost
                6.787693 = idf(docFreq=130, maxDocs=42740)
                0.021222299 = queryNorm
              0.7499412 = fieldWeight in 3422, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.787693 = idf(docFreq=130, maxDocs=42740)
                0.078125 = fieldNorm(doc=3422)
          0.08670879 = weight(abstract_txt:electronic in 3422) [ClassicSimilarity], result of:
            0.08670879 = score(doc=3422,freq=1.0), product of:
              0.26121283 = queryWeight, product of:
                2.8968332 = boost
                4.2489204 = idf(docFreq=1658, maxDocs=42740)
                0.021222299 = queryNorm
              0.3319469 = fieldWeight in 3422, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.2489204 = idf(docFreq=1658, maxDocs=42740)
                0.078125 = fieldNorm(doc=3422)
          0.36344016 = weight(abstract_txt:school in 3422) [ClassicSimilarity], result of:
            0.36344016 = score(doc=3422,freq=3.0), product of:
              0.47083342 = queryWeight, product of:
                3.8891964 = boost
                5.704466 = idf(docFreq=386, maxDocs=42740)
                0.021222299 = queryNorm
              0.77190816 = fieldWeight in 3422, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.704466 = idf(docFreq=386, maxDocs=42740)
                0.078125 = fieldNorm(doc=3422)
        0.36842105 = coord(7/19)