Search (2 results, page 1 of 1)

  • × classification_ss:"ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme"
  • × subject_ss:"Information Retrieval"
  1. Rijsbergen, C.J. van: Information retrieval (1979) 0.04
    0.039621804 = product of:
      0.20471266 = sum of:
        0.020355001 = weight(_text_:und in 856) [ClassicSimilarity], result of:
          0.020355001 = score(doc=856,freq=12.0), product of:
            0.048478678 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.021873036 = queryNorm
            0.41987535 = fieldWeight in 856, product of:
              3.4641016 = tf(freq=12.0), with freq of:
                12.0 = termFreq=12.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
        0.03881568 = weight(_text_:literatur in 856) [ClassicSimilarity], result of:
          0.03881568 = score(doc=856,freq=2.0), product of:
            0.10477474 = queryWeight, product of:
              4.7901325 = idf(docFreq=998, maxDocs=44218)
              0.021873036 = queryNorm
            0.3704679 = fieldWeight in 856, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.7901325 = idf(docFreq=998, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
        0.03881568 = weight(_text_:literatur in 856) [ClassicSimilarity], result of:
          0.03881568 = score(doc=856,freq=2.0), product of:
            0.10477474 = queryWeight, product of:
              4.7901325 = idf(docFreq=998, maxDocs=44218)
              0.021873036 = queryNorm
            0.3704679 = fieldWeight in 856, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.7901325 = idf(docFreq=998, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
        0.082876265 = weight(_text_:einzelne in 856) [ClassicSimilarity], result of:
          0.082876265 = score(doc=856,freq=4.0), product of:
            0.12873913 = queryWeight, product of:
              5.885746 = idf(docFreq=333, maxDocs=44218)
              0.021873036 = queryNorm
            0.64375347 = fieldWeight in 856, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              5.885746 = idf(docFreq=333, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
        0.0034950164 = weight(_text_:e in 856) [ClassicSimilarity], result of:
          0.0034950164 = score(doc=856,freq=2.0), product of:
            0.031439643 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.021873036 = queryNorm
            0.1111659 = fieldWeight in 856, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
        0.020355001 = weight(_text_:und in 856) [ClassicSimilarity], result of:
          0.020355001 = score(doc=856,freq=12.0), product of:
            0.048478678 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.021873036 = queryNorm
            0.41987535 = fieldWeight in 856, product of:
              3.4641016 = tf(freq=12.0), with freq of:
                12.0 = termFreq=12.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
      0.19354838 = coord(6/31)
    
    Classification
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
    Language
    e
    RVK
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  2. Blair, D.C.: Language and representation in information retrieval (1991) 0.02
    0.015333453 = product of:
      0.09506741 = sum of:
        0.018994045 = weight(_text_:und in 1545) [ClassicSimilarity], result of:
          0.018994045 = score(doc=1545,freq=32.0), product of:
            0.048478678 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.021873036 = queryNorm
            0.39180204 = fieldWeight in 1545, product of:
              5.656854 = tf(freq=32.0), with freq of:
                32.0 = termFreq=32.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.03125 = fieldNorm(doc=1545)
        0.007724316 = weight(_text_:im in 1545) [ClassicSimilarity], result of:
          0.007724316 = score(doc=1545,freq=2.0), product of:
            0.061830398 = queryWeight, product of:
              2.8267863 = idf(docFreq=7115, maxDocs=44218)
              0.021873036 = queryNorm
            0.12492748 = fieldWeight in 1545, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.8267863 = idf(docFreq=7115, maxDocs=44218)
              0.03125 = fieldNorm(doc=1545)
        0.047357865 = weight(_text_:einzelne in 1545) [ClassicSimilarity], result of:
          0.047357865 = score(doc=1545,freq=4.0), product of:
            0.12873913 = queryWeight, product of:
              5.885746 = idf(docFreq=333, maxDocs=44218)
              0.021873036 = queryNorm
            0.36785913 = fieldWeight in 1545, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              5.885746 = idf(docFreq=333, maxDocs=44218)
              0.03125 = fieldNorm(doc=1545)
        0.0019971523 = weight(_text_:e in 1545) [ClassicSimilarity], result of:
          0.0019971523 = score(doc=1545,freq=2.0), product of:
            0.031439643 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.021873036 = queryNorm
            0.063523374 = fieldWeight in 1545, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03125 = fieldNorm(doc=1545)
        0.018994045 = weight(_text_:und in 1545) [ClassicSimilarity], result of:
          0.018994045 = score(doc=1545,freq=32.0), product of:
            0.048478678 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.021873036 = queryNorm
            0.39180204 = fieldWeight in 1545, product of:
              5.656854 = tf(freq=32.0), with freq of:
                32.0 = termFreq=32.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.03125 = fieldNorm(doc=1545)
      0.16129032 = coord(5/31)
    
    Classification
    ES 930 Allgemeine und vergleichende Sprach- und Literaturwissenschaft. Indogermanistik. Außereuropäische Sprachen und Literaturen / Spezialbereiche der allgemeinen Sprachwissenschaft / Datenverarbeitung und Sprachwissenschaft. Computerlinguistik / Informationsbehandlung
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
    ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme
    Language
    e
    RVK
    ES 930 Allgemeine und vergleichende Sprach- und Literaturwissenschaft. Indogermanistik. Außereuropäische Sprachen und Literaturen / Spezialbereiche der allgemeinen Sprachwissenschaft / Datenverarbeitung und Sprachwissenschaft. Computerlinguistik / Informationsbehandlung
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
    ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme
    Theme
    Verbale Doksprachen im Online-Retrieval