Search (3 results, page 1 of 1)

  • × theme_ss:"Verteilte bibliographische Datenbanken"
  • × type_ss:"el"
  1. Zia, L.L.: Growing a national learning environments and resources network for science, mathematics, engineering, and technology education : current issues and opportunities for the NSDL program (2001) 0.03
    0.032277208 = product of:
      0.064554416 = sum of:
        0.064554416 = product of:
          0.12910883 = sum of:
            0.12910883 = weight(_text_:l.l in 1217) [ClassicSimilarity], result of:
              0.12910883 = score(doc=1217,freq=2.0), product of:
                0.3549199 = queryWeight, product of:
                  8.231152 = idf(docFreq=31, maxDocs=44218)
                  0.043119106 = queryNorm
                0.36376894 = fieldWeight in 1217, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.231152 = idf(docFreq=31, maxDocs=44218)
                  0.03125 = fieldNorm(doc=1217)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Zia, L.L.: new projects and a progress report : ¬The NSF National Science, Technology, Engineering, and Mathematics Education Digital Library (NSDL) program (2001) 0.03
    0.028242556 = product of:
      0.056485113 = sum of:
        0.056485113 = product of:
          0.112970226 = sum of:
            0.112970226 = weight(_text_:l.l in 1227) [ClassicSimilarity], result of:
              0.112970226 = score(doc=1227,freq=2.0), product of:
                0.3549199 = queryWeight, product of:
                  8.231152 = idf(docFreq=31, maxDocs=44218)
                  0.043119106 = queryNorm
                0.3182978 = fieldWeight in 1227, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.231152 = idf(docFreq=31, maxDocs=44218)
                  0.02734375 = fieldNorm(doc=1227)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Zia, L.L.: ¬The NSF National Science, Technology, Engineering, and Mathematics Education Digital Library (NSDL) Program : new projects from fiscal year 2004 (2005) 0.02
    0.024207907 = product of:
      0.048415814 = sum of:
        0.048415814 = product of:
          0.09683163 = sum of:
            0.09683163 = weight(_text_:l.l in 1221) [ClassicSimilarity], result of:
              0.09683163 = score(doc=1221,freq=2.0), product of:
                0.3549199 = queryWeight, product of:
                  8.231152 = idf(docFreq=31, maxDocs=44218)
                  0.043119106 = queryNorm
                0.2728267 = fieldWeight in 1221, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.231152 = idf(docFreq=31, maxDocs=44218)
                  0.0234375 = fieldNorm(doc=1221)
          0.5 = coord(1/2)
      0.5 = coord(1/2)