Document (#33959)

Author
Marchionini, G.
Title
Toward Human-Computer Information Retrieval
Source
Bulletin of the American Society for Information Science and Technology. 33(2006) no.5, S.xx-xx
Year
2006
Abstract
This is a propitious time for information science. The WWW has propelled information services into the public eye as never before, and information professionals are sought out in all walks of life to assist people with work, learning and play in the information environment. Classical information retrieval has yielded novel techniques for applying computers to retrieval problems, including WWW search engines. The classical model of retrieval is one of matching queries to documents and ranking these matches. It is apparent, however, that a new model of retrieval is needed as people access large-scale digital libraries of multimedia content and vast collections of unstructured data in the WWW. What is needed are ways to bring human intelligence and attention more actively into the search process. To this end, researchers are beginning to combine the lessons from designing highly interactive user interfaces with the lessons from human information behavior to create new kinds of search systems that depend on continuous human control of the search process. I call this hybrid approach to the challenges of information seeking, human-computer information retrieval (HCIR). Though human-computer information interaction is perhaps a more expansive and appropriate phrase, the HCIR phrase unites two well-known fields/communities of practice and is thus adopted here. HCIR aims to empower people to explore large-scale information bases but demands that people also take responsibility for this control by expending cognitive and physical energy. This paper outlines the basic motivations and concepts of HCIR and presents design goals and challenges that are informed by two ongoing HCIR projects.
Footnote
Available online at: http://www.asis.org/Bulletin/Jun-06/marchionini.html.
Theme
Suchoberflächen

Similar documents (author)

  1. Marchionini, G.: Interfaces for end-user information seeking (1992) 5.16
    5.1571794 = sum of:
      5.1571794 = weight(author_txt:marchionini in 3672) [ClassicSimilarity], result of:
        5.1571794 = fieldWeight in 3672, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.251487 = idf(docFreq=29, maxDocs=42306)
          0.625 = fieldNorm(doc=3672)
    
  2. Marchionini, G.: Information seeking in full-text end-user-oriented search system : the roles of domain and search expertise (1993) 5.16
    5.1571794 = sum of:
      5.1571794 = weight(author_txt:marchionini in 5100) [ClassicSimilarity], result of:
        5.1571794 = fieldWeight in 5100, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.251487 = idf(docFreq=29, maxDocs=42306)
          0.625 = fieldNorm(doc=5100)
    
  3. Marchionini, G.: Information-seeking strategies of novices using a full-text electronic encyclopedia (1989) 5.16
    5.1571794 = sum of:
      5.1571794 = weight(author_txt:marchionini in 2658) [ClassicSimilarity], result of:
        5.1571794 = fieldWeight in 2658, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.251487 = idf(docFreq=29, maxDocs=42306)
          0.625 = fieldNorm(doc=2658)
    
  4. Marchionini, G.: Designing hypertexts : start with an index (1994) 5.16
    5.1571794 = sum of:
      5.1571794 = weight(author_txt:marchionini in 3050) [ClassicSimilarity], result of:
        5.1571794 = fieldWeight in 3050, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.251487 = idf(docFreq=29, maxDocs=42306)
          0.625 = fieldNorm(doc=3050)
    
  5. Marchionini, G.: ¬An invitation to browse : designing full-text systems for novice users (1987) 5.16
    5.1571794 = sum of:
      5.1571794 = weight(author_txt:marchionini in 6204) [ClassicSimilarity], result of:
        5.1571794 = fieldWeight in 6204, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.251487 = idf(docFreq=29, maxDocs=42306)
          0.625 = fieldNorm(doc=6204)
    

Similar documents (content)

  1. Hjoerland, B.: Classical databases and knowledge organisation : a case for Boolean retrieval and human decision-making during search (2014) 0.26
    0.2569104 = sum of:
      0.2569104 = product of:
        0.64227605 = sum of:
          0.039776776 = weight(abstract_txt:model in 3399) [ClassicSimilarity], result of:
            0.039776776 = score(doc=3399,freq=3.0), product of:
              0.09108761 = queryWeight, product of:
                1.0626484 = boost
                4.0339417 = idf(docFreq=2035, maxDocs=42306)
                0.021249078 = queryNorm
              0.436687 = fieldWeight in 3399, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.0339417 = idf(docFreq=2035, maxDocs=42306)
                0.0625 = fieldNorm(doc=3399)
          0.009731439 = weight(abstract_txt:that in 3399) [ClassicSimilarity], result of:
            0.009731439 = score(doc=3399,freq=1.0), product of:
              0.06474527 = queryWeight, product of:
                1.2670069 = boost
                2.4048555 = idf(docFreq=10381, maxDocs=42306)
                0.021249078 = queryNorm
              0.15030347 = fieldWeight in 3399, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4048555 = idf(docFreq=10381, maxDocs=42306)
                0.0625 = fieldNorm(doc=3399)
          0.0421686 = weight(abstract_txt:control in 3399) [ClassicSimilarity], result of:
            0.0421686 = score(doc=3399,freq=1.0), product of:
              0.13658598 = queryWeight, product of:
                1.3012568 = boost
                4.939728 = idf(docFreq=822, maxDocs=42306)
                0.021249078 = queryNorm
              0.308733 = fieldWeight in 3399, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.939728 = idf(docFreq=822, maxDocs=42306)
                0.0625 = fieldNorm(doc=3399)
          0.025863953 = weight(abstract_txt:this in 3399) [ClassicSimilarity], result of:
            0.025863953 = score(doc=3399,freq=4.0), product of:
              0.084301755 = queryWeight, product of:
                1.6163979 = boost
                2.4544165 = idf(docFreq=9879, maxDocs=42306)
                0.021249078 = queryNorm
              0.30680206 = fieldWeight in 3399, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.4544165 = idf(docFreq=9879, maxDocs=42306)
                0.0625 = fieldNorm(doc=3399)
          0.04206897 = weight(abstract_txt:computer in 3399) [ClassicSimilarity], result of:
            0.04206897 = score(doc=3399,freq=1.0), product of:
              0.15610555 = queryWeight, product of:
                1.7037848 = boost
                4.3118486 = idf(docFreq=1541, maxDocs=42306)
                0.021249078 = queryNorm
              0.26949054 = fieldWeight in 3399, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3118486 = idf(docFreq=1541, maxDocs=42306)
                0.0625 = fieldNorm(doc=3399)
          0.13656592 = weight(abstract_txt:classical in 3399) [ClassicSimilarity], result of:
            0.13656592 = score(doc=3399,freq=2.0), product of:
              0.23730029 = queryWeight, product of:
                1.7151775 = boost
                6.5110207 = idf(docFreq=170, maxDocs=42306)
                0.021249078 = queryNorm
              0.57549834 = fieldWeight in 3399, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.5110207 = idf(docFreq=170, maxDocs=42306)
                0.0625 = fieldNorm(doc=3399)
          0.034183737 = weight(abstract_txt:search in 3399) [ClassicSimilarity], result of:
            0.034183737 = score(doc=3399,freq=1.0), product of:
              0.14961313 = queryWeight, product of:
                1.9260156 = boost
                3.6556938 = idf(docFreq=2971, maxDocs=42306)
                0.021249078 = queryNorm
              0.22848086 = fieldWeight in 3399, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6556938 = idf(docFreq=2971, maxDocs=42306)
                0.0625 = fieldNorm(doc=3399)
          0.09743074 = weight(abstract_txt:retrieval in 3399) [ClassicSimilarity], result of:
            0.09743074 = score(doc=3399,freq=5.0), product of:
              0.20133893 = queryWeight, product of:
                2.7364306 = boost
                3.4626071 = idf(docFreq=3604, maxDocs=42306)
                0.021249078 = queryNorm
              0.48391408 = fieldWeight in 3399, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                3.4626071 = idf(docFreq=3604, maxDocs=42306)
                0.0625 = fieldNorm(doc=3399)
          0.05562018 = weight(abstract_txt:information in 3399) [ClassicSimilarity], result of:
            0.05562018 = score(doc=3399,freq=4.0), product of:
              0.18267082 = queryWeight, product of:
                3.5291967 = boost
                2.435865 = idf(docFreq=10064, maxDocs=42306)
                0.021249078 = queryNorm
              0.30448312 = fieldWeight in 3399, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.435865 = idf(docFreq=10064, maxDocs=42306)
                0.0625 = fieldNorm(doc=3399)
          0.15886572 = weight(abstract_txt:human in 3399) [ClassicSimilarity], result of:
            0.15886572 = score(doc=3399,freq=2.0), product of:
              0.3785564 = queryWeight, product of:
                3.752199 = boost
                4.7479334 = idf(docFreq=996, maxDocs=42306)
                0.021249078 = queryNorm
              0.41966197 = fieldWeight in 3399, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.7479334 = idf(docFreq=996, maxDocs=42306)
                0.0625 = fieldNorm(doc=3399)
        0.4 = coord(10/25)
    
  2. Spink, A.; Cole, C.: New directions in cognitive information retrieval : introduction (2005) 0.25
    0.25340104 = sum of:
      0.25340104 = product of:
        0.6335026 = sum of:
          0.020094492 = weight(abstract_txt:model in 1773) [ClassicSimilarity], result of:
            0.020094492 = score(doc=1773,freq=1.0), product of:
              0.09108761 = queryWeight, product of:
                1.0626484 = boost
                4.0339417 = idf(docFreq=2035, maxDocs=42306)
                0.021249078 = queryNorm
              0.2206062 = fieldWeight in 1773, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.0339417 = idf(docFreq=2035, maxDocs=42306)
                0.0546875 = fieldNorm(doc=1773)
          0.017030017 = weight(abstract_txt:that in 1773) [ClassicSimilarity], result of:
            0.017030017 = score(doc=1773,freq=4.0), product of:
              0.06474527 = queryWeight, product of:
                1.2670069 = boost
                2.4048555 = idf(docFreq=10381, maxDocs=42306)
                0.021249078 = queryNorm
              0.26303107 = fieldWeight in 1773, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.4048555 = idf(docFreq=10381, maxDocs=42306)
                0.0546875 = fieldNorm(doc=1773)
          0.051589675 = weight(abstract_txt:scale in 1773) [ClassicSimilarity], result of:
            0.051589675 = score(doc=1773,freq=1.0), product of:
              0.17078505 = queryWeight, product of:
                1.4550734 = boost
                5.523634 = idf(docFreq=458, maxDocs=42306)
                0.021249078 = queryNorm
              0.30207372 = fieldWeight in 1773, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.523634 = idf(docFreq=458, maxDocs=42306)
                0.0546875 = fieldNorm(doc=1773)
          0.016002504 = weight(abstract_txt:this in 1773) [ClassicSimilarity], result of:
            0.016002504 = score(doc=1773,freq=2.0), product of:
              0.084301755 = queryWeight, product of:
                1.6163979 = boost
                2.4544165 = idf(docFreq=9879, maxDocs=42306)
                0.021249078 = queryNorm
              0.18982409 = fieldWeight in 1773, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4544165 = idf(docFreq=9879, maxDocs=42306)
                0.0546875 = fieldNorm(doc=1773)
          0.03681035 = weight(abstract_txt:computer in 1773) [ClassicSimilarity], result of:
            0.03681035 = score(doc=1773,freq=1.0), product of:
              0.15610555 = queryWeight, product of:
                1.7037848 = boost
                4.3118486 = idf(docFreq=1541, maxDocs=42306)
                0.021249078 = queryNorm
              0.23580423 = fieldWeight in 1773, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3118486 = idf(docFreq=1541, maxDocs=42306)
                0.0546875 = fieldNorm(doc=1773)
          0.042300217 = weight(abstract_txt:search in 1773) [ClassicSimilarity], result of:
            0.042300217 = score(doc=1773,freq=2.0), product of:
              0.14961313 = queryWeight, product of:
                1.9260156 = boost
                3.6556938 = idf(docFreq=2971, maxDocs=42306)
                0.021249078 = queryNorm
              0.28273064 = fieldWeight in 1773, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6556938 = idf(docFreq=2971, maxDocs=42306)
                0.0546875 = fieldNorm(doc=1773)
          0.107140705 = weight(abstract_txt:people in 1773) [ClassicSimilarity], result of:
            0.107140705 = score(doc=1773,freq=2.0), product of:
              0.2779997 = queryWeight, product of:
                2.6254098 = boost
                4.9831862 = idf(docFreq=787, maxDocs=42306)
                0.021249078 = queryNorm
              0.38539863 = fieldWeight in 1773, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.9831862 = idf(docFreq=787, maxDocs=42306)
                0.0546875 = fieldNorm(doc=1773)
          0.053918034 = weight(abstract_txt:retrieval in 1773) [ClassicSimilarity], result of:
            0.053918034 = score(doc=1773,freq=2.0), product of:
              0.20133893 = queryWeight, product of:
                2.7364306 = boost
                3.4626071 = idf(docFreq=3604, maxDocs=42306)
                0.021249078 = queryNorm
              0.26779735 = fieldWeight in 1773, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4626071 = idf(docFreq=3604, maxDocs=42306)
                0.0546875 = fieldNorm(doc=1773)
          0.06882645 = weight(abstract_txt:information in 1773) [ClassicSimilarity], result of:
            0.06882645 = score(doc=1773,freq=8.0), product of:
              0.18267082 = queryWeight, product of:
                3.5291967 = boost
                2.435865 = idf(docFreq=10064, maxDocs=42306)
                0.021249078 = queryNorm
              0.3767786 = fieldWeight in 1773, product of:
                2.828427 = tf(freq=8.0), with freq of:
                  8.0 = termFreq=8.0
                2.435865 = idf(docFreq=10064, maxDocs=42306)
                0.0546875 = fieldNorm(doc=1773)
          0.21979019 = weight(abstract_txt:human in 1773) [ClassicSimilarity], result of:
            0.21979019 = score(doc=1773,freq=5.0), product of:
              0.3785564 = queryWeight, product of:
                3.752199 = boost
                4.7479334 = idf(docFreq=996, maxDocs=42306)
                0.021249078 = queryNorm
              0.5806009 = fieldWeight in 1773, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.7479334 = idf(docFreq=996, maxDocs=42306)
                0.0546875 = fieldNorm(doc=1773)
        0.4 = coord(10/25)
    
  3. Dumais, S.T.: Latent semantic analysis (2003) 0.24
    0.23636131 = sum of:
      0.23636131 = product of:
        0.49241942 = sum of:
          0.011940684 = weight(abstract_txt:process in 282) [ClassicSimilarity], result of:
            0.011940684 = score(doc=282,freq=1.0), product of:
              0.09349452 = queryWeight, product of:
                1.0765966 = boost
                4.0868907 = idf(docFreq=1930, maxDocs=42306)
                0.021249078 = queryNorm
              0.12771533 = fieldWeight in 282, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.0868907 = idf(docFreq=1930, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.03497821 = weight(abstract_txt:large in 282) [ClassicSimilarity], result of:
            0.03497821 = score(doc=282,freq=5.0), product of:
              0.11193736 = queryWeight, product of:
                1.1780059 = boost
                4.471853 = idf(docFreq=1313, maxDocs=42306)
                0.021249078 = queryNorm
              0.3124802 = fieldWeight in 282, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.471853 = idf(docFreq=1313, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.014597157 = weight(abstract_txt:that in 282) [ClassicSimilarity], result of:
            0.014597157 = score(doc=282,freq=9.0), product of:
              0.06474527 = queryWeight, product of:
                1.2670069 = boost
                2.4048555 = idf(docFreq=10381, maxDocs=42306)
                0.021249078 = queryNorm
              0.2254552 = fieldWeight in 282, product of:
                3.0 = tf(freq=9.0), with freq of:
                  9.0 = termFreq=9.0
                2.4048555 = idf(docFreq=10381, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.029479817 = weight(abstract_txt:scale in 282) [ClassicSimilarity], result of:
            0.029479817 = score(doc=282,freq=1.0), product of:
              0.17078505 = queryWeight, product of:
                1.4550734 = boost
                5.523634 = idf(docFreq=458, maxDocs=42306)
                0.021249078 = queryNorm
              0.17261356 = fieldWeight in 282, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.523634 = idf(docFreq=458, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.009144288 = weight(abstract_txt:this in 282) [ClassicSimilarity], result of:
            0.009144288 = score(doc=282,freq=2.0), product of:
              0.084301755 = queryWeight, product of:
                1.6163979 = boost
                2.4544165 = idf(docFreq=9879, maxDocs=42306)
                0.021249078 = queryNorm
              0.10847091 = fieldWeight in 282, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4544165 = idf(docFreq=9879, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.021034485 = weight(abstract_txt:computer in 282) [ClassicSimilarity], result of:
            0.021034485 = score(doc=282,freq=1.0), product of:
              0.15610555 = queryWeight, product of:
                1.7037848 = boost
                4.3118486 = idf(docFreq=1541, maxDocs=42306)
                0.021249078 = queryNorm
              0.13474527 = fieldWeight in 282, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3118486 = idf(docFreq=1541, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.062299274 = weight(abstract_txt:phrase in 282) [ClassicSimilarity], result of:
            0.062299274 = score(doc=282,freq=1.0), product of:
              0.2812475 = queryWeight, product of:
                1.8672578 = boost
                7.088336 = idf(docFreq=95, maxDocs=42306)
                0.021249078 = queryNorm
              0.2215105 = fieldWeight in 282, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.088336 = idf(docFreq=95, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.029603982 = weight(abstract_txt:search in 282) [ClassicSimilarity], result of:
            0.029603982 = score(doc=282,freq=3.0), product of:
              0.14961313 = queryWeight, product of:
                1.9260156 = boost
                3.6556938 = idf(docFreq=2971, maxDocs=42306)
                0.021249078 = queryNorm
              0.19787022 = fieldWeight in 282, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6556938 = idf(docFreq=2971, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.074982874 = weight(abstract_txt:people in 282) [ClassicSimilarity], result of:
            0.074982874 = score(doc=282,freq=3.0), product of:
              0.2779997 = queryWeight, product of:
                2.6254098 = boost
                4.9831862 = idf(docFreq=787, maxDocs=42306)
                0.021249078 = queryNorm
              0.26972285 = fieldWeight in 282, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.9831862 = idf(docFreq=787, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.06535853 = weight(abstract_txt:retrieval in 282) [ClassicSimilarity], result of:
            0.06535853 = score(doc=282,freq=9.0), product of:
              0.20133893 = queryWeight, product of:
                2.7364306 = boost
                3.4626071 = idf(docFreq=3604, maxDocs=42306)
                0.021249078 = queryNorm
              0.3246194 = fieldWeight in 282, product of:
                3.0 = tf(freq=9.0), with freq of:
                  9.0 = termFreq=9.0
                3.4626071 = idf(docFreq=3604, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.041715134 = weight(abstract_txt:information in 282) [ClassicSimilarity], result of:
            0.041715134 = score(doc=282,freq=9.0), product of:
              0.18267082 = queryWeight, product of:
                3.5291967 = boost
                2.435865 = idf(docFreq=10064, maxDocs=42306)
                0.021249078 = queryNorm
              0.22836234 = fieldWeight in 282, product of:
                3.0 = tf(freq=9.0), with freq of:
                  9.0 = termFreq=9.0
                2.435865 = idf(docFreq=10064, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
          0.09728499 = weight(abstract_txt:human in 282) [ClassicSimilarity], result of:
            0.09728499 = score(doc=282,freq=3.0), product of:
              0.3785564 = queryWeight, product of:
                3.752199 = boost
                4.7479334 = idf(docFreq=996, maxDocs=42306)
                0.021249078 = queryNorm
              0.25698942 = fieldWeight in 282, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.7479334 = idf(docFreq=996, maxDocs=42306)
                0.03125 = fieldNorm(doc=282)
        0.48 = coord(12/25)
    
  4. Bernard, M.: Modelling the efficient access to full-text information (1996) 0.22
    0.2207884 = sum of:
      0.2207884 = product of:
        0.68996376 = sum of:
          0.11482894 = weight(abstract_txt:energy in 5679) [ClassicSimilarity], result of:
            0.11482894 = score(doc=5679,freq=1.0), product of:
              0.16132812 = queryWeight, product of:
                7.5922413 = idf(docFreq=57, maxDocs=42306)
                0.021249078 = queryNorm
              0.7117726 = fieldWeight in 5679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.5922413 = idf(docFreq=57, maxDocs=42306)
                0.09375 = fieldNorm(doc=5679)
          0.014597157 = weight(abstract_txt:that in 5679) [ClassicSimilarity], result of:
            0.014597157 = score(doc=5679,freq=1.0), product of:
              0.06474527 = queryWeight, product of:
                1.2670069 = boost
                2.4048555 = idf(docFreq=10381, maxDocs=42306)
                0.021249078 = queryNorm
              0.2254552 = fieldWeight in 5679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4048555 = idf(docFreq=10381, maxDocs=42306)
                0.09375 = fieldNorm(doc=5679)
          0.019397965 = weight(abstract_txt:this in 5679) [ClassicSimilarity], result of:
            0.019397965 = score(doc=5679,freq=1.0), product of:
              0.084301755 = queryWeight, product of:
                1.6163979 = boost
                2.4544165 = idf(docFreq=9879, maxDocs=42306)
                0.021249078 = queryNorm
              0.23010156 = fieldWeight in 5679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4544165 = idf(docFreq=9879, maxDocs=42306)
                0.09375 = fieldNorm(doc=5679)
          0.06310345 = weight(abstract_txt:computer in 5679) [ClassicSimilarity], result of:
            0.06310345 = score(doc=5679,freq=1.0), product of:
              0.15610555 = queryWeight, product of:
                1.7037848 = boost
                4.3118486 = idf(docFreq=1541, maxDocs=42306)
                0.021249078 = queryNorm
              0.4042358 = fieldWeight in 5679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3118486 = idf(docFreq=1541, maxDocs=42306)
                0.09375 = fieldNorm(doc=5679)
          0.14485005 = weight(abstract_txt:classical in 5679) [ClassicSimilarity], result of:
            0.14485005 = score(doc=5679,freq=1.0), product of:
              0.23730029 = queryWeight, product of:
                1.7151775 = boost
                6.5110207 = idf(docFreq=170, maxDocs=42306)
                0.021249078 = queryNorm
              0.6104082 = fieldWeight in 5679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5110207 = idf(docFreq=170, maxDocs=42306)
                0.09375 = fieldNorm(doc=5679)
          0.09243091 = weight(abstract_txt:retrieval in 5679) [ClassicSimilarity], result of:
            0.09243091 = score(doc=5679,freq=2.0), product of:
              0.20133893 = queryWeight, product of:
                2.7364306 = boost
                3.4626071 = idf(docFreq=3604, maxDocs=42306)
                0.021249078 = queryNorm
              0.45908117 = fieldWeight in 5679, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4626071 = idf(docFreq=3604, maxDocs=42306)
                0.09375 = fieldNorm(doc=5679)
          0.072252735 = weight(abstract_txt:information in 5679) [ClassicSimilarity], result of:
            0.072252735 = score(doc=5679,freq=3.0), product of:
              0.18267082 = queryWeight, product of:
                3.5291967 = boost
                2.435865 = idf(docFreq=10064, maxDocs=42306)
                0.021249078 = queryNorm
              0.39553517 = fieldWeight in 5679, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                2.435865 = idf(docFreq=10064, maxDocs=42306)
                0.09375 = fieldNorm(doc=5679)
          0.16850255 = weight(abstract_txt:human in 5679) [ClassicSimilarity], result of:
            0.16850255 = score(doc=5679,freq=1.0), product of:
              0.3785564 = queryWeight, product of:
                3.752199 = boost
                4.7479334 = idf(docFreq=996, maxDocs=42306)
                0.021249078 = queryNorm
              0.44511876 = fieldWeight in 5679, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.7479334 = idf(docFreq=996, maxDocs=42306)
                0.09375 = fieldNorm(doc=5679)
        0.32 = coord(8/25)
    
  5. Van der Vet, P.: Content engineering (2000) 0.21
    0.21341515 = sum of:
      0.21341515 = product of:
        0.53353786 = sum of:
          0.03377335 = weight(abstract_txt:process in 657) [ClassicSimilarity], result of:
            0.03377335 = score(doc=657,freq=2.0), product of:
              0.09349452 = queryWeight, product of:
                1.0765966 = boost
                4.0868907 = idf(docFreq=1930, maxDocs=42306)
                0.021249078 = queryNorm
              0.3612335 = fieldWeight in 657, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.0868907 = idf(docFreq=1930, maxDocs=42306)
                0.0625 = fieldNorm(doc=657)
          0.016855346 = weight(abstract_txt:that in 657) [ClassicSimilarity], result of:
            0.016855346 = score(doc=657,freq=3.0), product of:
              0.06474527 = queryWeight, product of:
                1.2670069 = boost
                2.4048555 = idf(docFreq=10381, maxDocs=42306)
                0.021249078 = queryNorm
              0.26033324 = fieldWeight in 657, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                2.4048555 = idf(docFreq=10381, maxDocs=42306)
                0.0625 = fieldNorm(doc=657)
          0.050790828 = weight(abstract_txt:challenges in 657) [ClassicSimilarity], result of:
            0.050790828 = score(doc=657,freq=1.0), product of:
              0.15462162 = queryWeight, product of:
                1.3845067 = boost
                5.2557545 = idf(docFreq=599, maxDocs=42306)
                0.021249078 = queryNorm
              0.32848465 = fieldWeight in 657, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.2557545 = idf(docFreq=599, maxDocs=42306)
                0.0625 = fieldNorm(doc=657)
          0.051478405 = weight(abstract_txt:needed in 657) [ClassicSimilarity], result of:
            0.051478405 = score(doc=657,freq=1.0), product of:
              0.15601394 = queryWeight, product of:
                1.3907262 = boost
                5.2793646 = idf(docFreq=585, maxDocs=42306)
                0.021249078 = queryNorm
              0.3299603 = fieldWeight in 657, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.2793646 = idf(docFreq=585, maxDocs=42306)
                0.0625 = fieldNorm(doc=657)
          0.0129319765 = weight(abstract_txt:this in 657) [ClassicSimilarity], result of:
            0.0129319765 = score(doc=657,freq=1.0), product of:
              0.084301755 = queryWeight, product of:
                1.6163979 = boost
                2.4544165 = idf(docFreq=9879, maxDocs=42306)
                0.021249078 = queryNorm
              0.15340103 = fieldWeight in 657, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4544165 = idf(docFreq=9879, maxDocs=42306)
                0.0625 = fieldNorm(doc=657)
          0.07286559 = weight(abstract_txt:computer in 657) [ClassicSimilarity], result of:
            0.07286559 = score(doc=657,freq=3.0), product of:
              0.15610555 = queryWeight, product of:
                1.7037848 = boost
                4.3118486 = idf(docFreq=1541, maxDocs=42306)
                0.021249078 = queryNorm
              0.4667713 = fieldWeight in 657, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.3118486 = idf(docFreq=1541, maxDocs=42306)
                0.0625 = fieldNorm(doc=657)
          0.09656669 = weight(abstract_txt:classical in 657) [ClassicSimilarity], result of:
            0.09656669 = score(doc=657,freq=1.0), product of:
              0.23730029 = queryWeight, product of:
                1.7151775 = boost
                6.5110207 = idf(docFreq=170, maxDocs=42306)
                0.021249078 = queryNorm
              0.4069388 = fieldWeight in 657, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5110207 = idf(docFreq=170, maxDocs=42306)
                0.0625 = fieldNorm(doc=657)
          0.086582765 = weight(abstract_txt:people in 657) [ClassicSimilarity], result of:
            0.086582765 = score(doc=657,freq=1.0), product of:
              0.2779997 = queryWeight, product of:
                2.6254098 = boost
                4.9831862 = idf(docFreq=787, maxDocs=42306)
                0.021249078 = queryNorm
              0.31144914 = fieldWeight in 657, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9831862 = idf(docFreq=787, maxDocs=42306)
                0.0625 = fieldNorm(doc=657)
          0.04357235 = weight(abstract_txt:retrieval in 657) [ClassicSimilarity], result of:
            0.04357235 = score(doc=657,freq=1.0), product of:
              0.20133893 = queryWeight, product of:
                2.7364306 = boost
                3.4626071 = idf(docFreq=3604, maxDocs=42306)
                0.021249078 = queryNorm
              0.21641295 = fieldWeight in 657, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4626071 = idf(docFreq=3604, maxDocs=42306)
                0.0625 = fieldNorm(doc=657)
          0.06812053 = weight(abstract_txt:information in 657) [ClassicSimilarity], result of:
            0.06812053 = score(doc=657,freq=6.0), product of:
              0.18267082 = queryWeight, product of:
                3.5291967 = boost
                2.435865 = idf(docFreq=10064, maxDocs=42306)
                0.021249078 = queryNorm
              0.37291414 = fieldWeight in 657, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                2.435865 = idf(docFreq=10064, maxDocs=42306)
                0.0625 = fieldNorm(doc=657)
        0.4 = coord(10/25)