Document (#9131)

Author
Rust, H.
Title
Entwurf und prototypische Realisierung eines Retrievalsystems für Wirtschaftsinformationen aus der Regional- und Lokalpresse mit FoxPro
Issue
T.1.2.
Source
Datenbanken in Theorie und Praxis. 1994, H.3, S.24-30 (T.1); 1994, H.4, S.45-52 (T.2)
Year
1994
Abstract
Es ist ein mutiges Unterfangen, mit einem relationalen Entwicklungssystem ein Retrievalsystem zu realisieren. Denn das Verwalten und die Suche nach textlicher Information ist nicht gerade die Stärke der Relationalen Datenbanksysteme. Nachdem im ersten Teil die Konzeption des Retrievalsystems im Vordergrund stand, geht es in diesem zweiten und abschließenden Teil um Aspekte der prototypischen Realisierung. Der Beitrag macht insbesondere deutlich, wieviel aufwendige Kleinarbeit für die Erfassung von Volltexten nötig ist
Object
FoxPro

Similar documents (content)

  1. Schumacher, B.: Datenbanksysteme auf Mikro-Computern (1985) 0.23
    0.23105606 = sum of:
      0.23105606 = product of:
        1.9254673 = sum of:
          0.9304203 = weight(title_txt:datenbanksysteme in 6176) [ClassicSimilarity], result of:
            0.9304203 = score(doc=6176,freq=1.0), product of:
              0.20994009 = queryWeight, product of:
                1.393802 = boost
                8.863674 = idf(docFreq=16, maxDocs=44218)
                0.016993409 = queryNorm
              4.431837 = fieldWeight in 6176, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.863674 = idf(docFreq=16, maxDocs=44218)
                0.5 = fieldNorm(doc=6176)
          0.38441283 = weight(abstract_txt:realisierung in 6176) [ClassicSimilarity], result of:
            0.38441283 = score(doc=6176,freq=1.0), product of:
              0.28216103 = queryWeight, product of:
                2.2851615 = boost
                7.2660704 = idf(docFreq=83, maxDocs=44218)
                0.016993409 = queryNorm
              1.3623881 = fieldWeight in 6176, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2660704 = idf(docFreq=83, maxDocs=44218)
                0.1875 = fieldNorm(doc=6176)
          0.6106341 = weight(abstract_txt:relationalen in 6176) [ClassicSimilarity], result of:
            0.6106341 = score(doc=6176,freq=1.0), product of:
              0.3841367 = queryWeight, product of:
                2.6663141 = boost
                8.478011 = idf(docFreq=24, maxDocs=44218)
                0.016993409 = queryNorm
              1.589627 = fieldWeight in 6176, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.478011 = idf(docFreq=24, maxDocs=44218)
                0.1875 = fieldNorm(doc=6176)
        0.12 = coord(3/25)
    
  2. Lorenz, S.: Konzeption und prototypische Realisierung einer begriffsbasierten Texterschließung (2006) 0.17
    0.16599245 = sum of:
      0.16599245 = product of:
        1.0374528 = sum of:
          0.042952247 = weight(abstract_txt:deutlich in 1746) [ClassicSimilarity], result of:
            0.042952247 = score(doc=1746,freq=1.0), product of:
              0.10806702 = queryWeight, product of:
                6.3593493 = idf(docFreq=207, maxDocs=44218)
                0.016993409 = queryNorm
              0.39745933 = fieldWeight in 1746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.3593493 = idf(docFreq=207, maxDocs=44218)
                0.0625 = fieldNorm(doc=1746)
          0.060601067 = weight(abstract_txt:konzeption in 1746) [ClassicSimilarity], result of:
            0.060601067 = score(doc=1746,freq=1.0), product of:
              0.13594277 = queryWeight, product of:
                1.1215831 = boost
                7.132539 = idf(docFreq=95, maxDocs=44218)
                0.016993409 = queryNorm
              0.44578367 = fieldWeight in 1746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.132539 = idf(docFreq=95, maxDocs=44218)
                0.0625 = fieldNorm(doc=1746)
          0.80576193 = weight(title_txt:prototypische in 1746) [ClassicSimilarity], result of:
            0.80576193 = score(doc=1746,freq=1.0), product of:
              0.2310679 = queryWeight, product of:
                1.4622554 = boost
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.016993409 = queryNorm
              3.487122 = fieldWeight in 1746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.375 = fieldNorm(doc=1746)
          0.12813762 = weight(abstract_txt:realisierung in 1746) [ClassicSimilarity], result of:
            0.12813762 = score(doc=1746,freq=1.0), product of:
              0.28216103 = queryWeight, product of:
                2.2851615 = boost
                7.2660704 = idf(docFreq=83, maxDocs=44218)
                0.016993409 = queryNorm
              0.4541294 = fieldWeight in 1746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2660704 = idf(docFreq=83, maxDocs=44218)
                0.0625 = fieldNorm(doc=1746)
        0.16 = coord(4/25)
    
  3. Gabriel, R.; Röhrs, H.-P.: Datenbanksysteme : Konzeptionelle Datenmodellierung und Datenbankstrukturen (1995) 0.12
    0.1205922 = sum of:
      0.1205922 = product of:
        1.004935 = sum of:
          0.07075657 = weight(abstract_txt:zweiten in 1390) [ClassicSimilarity], result of:
            0.07075657 = score(doc=1390,freq=1.0), product of:
              0.11503225 = queryWeight, product of:
                1.0317233 = boost
                6.5610886 = idf(docFreq=169, maxDocs=44218)
                0.016993409 = queryNorm
              0.61510205 = fieldWeight in 1390, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5610886 = idf(docFreq=169, maxDocs=44218)
                0.09375 = fieldNorm(doc=1390)
          0.8141177 = weight(title_txt:datenbanksysteme in 1390) [ClassicSimilarity], result of:
            0.8141177 = score(doc=1390,freq=1.0), product of:
              0.20994009 = queryWeight, product of:
                1.393802 = boost
                8.863674 = idf(docFreq=16, maxDocs=44218)
                0.016993409 = queryNorm
              3.8778574 = fieldWeight in 1390, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.863674 = idf(docFreq=16, maxDocs=44218)
                0.4375 = fieldNorm(doc=1390)
          0.12006068 = weight(abstract_txt:teil in 1390) [ClassicSimilarity], result of:
            0.12006068 = score(doc=1390,freq=2.0), product of:
              0.16364735 = queryWeight, product of:
                1.740295 = boost
                5.533572 = idf(docFreq=474, maxDocs=44218)
                0.016993409 = queryNorm
              0.7336549 = fieldWeight in 1390, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.533572 = idf(docFreq=474, maxDocs=44218)
                0.09375 = fieldNorm(doc=1390)
        0.12 = coord(3/25)
    
  4. Staud, J.L.: Relationale Datenbanksysteme : eine Einführung (1994) 0.12
    0.11514256 = sum of:
      0.11514256 = product of:
        1.4392821 = sum of:
          0.9304203 = weight(title_txt:datenbanksysteme in 6600) [ClassicSimilarity], result of:
            0.9304203 = score(doc=6600,freq=1.0), product of:
              0.20994009 = queryWeight, product of:
                1.393802 = boost
                8.863674 = idf(docFreq=16, maxDocs=44218)
                0.016993409 = queryNorm
              4.431837 = fieldWeight in 6600, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.863674 = idf(docFreq=16, maxDocs=44218)
                0.5 = fieldNorm(doc=6600)
          0.5088618 = weight(abstract_txt:relationalen in 6600) [ClassicSimilarity], result of:
            0.5088618 = score(doc=6600,freq=1.0), product of:
              0.3841367 = queryWeight, product of:
                2.6663141 = boost
                8.478011 = idf(docFreq=24, maxDocs=44218)
                0.016993409 = queryNorm
              1.3246893 = fieldWeight in 6600, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.478011 = idf(docFreq=24, maxDocs=44218)
                0.15625 = fieldNorm(doc=6600)
        0.08 = coord(2/25)
    
  5. Kleinschmidt, P.; Rank, C.: Relationale Datenbanksysteme : eine praktische Einführung (1997) 0.10
    0.09769657 = sum of:
      0.09769657 = product of:
        1.2212071 = sum of:
          0.8141177 = weight(title_txt:datenbanksysteme in 984) [ClassicSimilarity], result of:
            0.8141177 = score(doc=984,freq=1.0), product of:
              0.20994009 = queryWeight, product of:
                1.393802 = boost
                8.863674 = idf(docFreq=16, maxDocs=44218)
                0.016993409 = queryNorm
              3.8778574 = fieldWeight in 984, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.863674 = idf(docFreq=16, maxDocs=44218)
                0.4375 = fieldNorm(doc=984)
          0.4070894 = weight(abstract_txt:relationalen in 984) [ClassicSimilarity], result of:
            0.4070894 = score(doc=984,freq=1.0), product of:
              0.3841367 = queryWeight, product of:
                2.6663141 = boost
                8.478011 = idf(docFreq=24, maxDocs=44218)
                0.016993409 = queryNorm
              1.0597514 = fieldWeight in 984, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.478011 = idf(docFreq=24, maxDocs=44218)
                0.125 = fieldNorm(doc=984)
        0.08 = coord(2/25)