Document (#28988)

Author
Lee, H.-L.
Olson, H.A.
Title
Hierarchical navigation : an exploration of Yahoo! directories
Source
Knowledge organization. 32(2005) no.1, S.10-24
Year
2005
Abstract
Although researchers have theorized the critical importance of classification in the organization of information, the classification approach seems to have given way to the alphabetical subject approach in retrieval tools widely used in libraries, and research an how users utilize classification or classification-like arrangements in information seeking has been scant. To better understand whether searchers consider classificatory structures a viable alternative to information retrieval, this article reports an a study of how 24 library and information science students used Yahoo! directories, a popular search service resembling classification, in completing an assigned simple task. Several issues emerged from the students' reporting of their search process and a comparison between hierarchical navigation and keyword searching: citation order of facets, precision vs. recall, and other factors influencing searchers' successes and preferences. The latter included search expertise, knowledge of the discipline, and time required to complete the search. Without a definitive conclusion, we suggest a number of directoons for further research.
Theme
Klassifikationssysteme im Online-Retrieval
Suchmaschinen
Object
Yahoo

Similar documents (author)

  1. Olson, N.B.: Cataloguing motion pictures and videorecordings (1991) 4.73
    4.7303815 = sum of:
      4.7303815 = weight(author_txt:olson in 5681) [ClassicSimilarity], result of:
        4.7303815 = fieldWeight in 5681, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5686107 = idf(docFreq=57, maxDocs=41318)
          0.625 = fieldNorm(doc=5681)
    
  2. Olson, N.B.: Cataloging computer files (1992) 4.73
    4.7303815 = sum of:
      4.7303815 = weight(author_txt:olson in 7628) [ClassicSimilarity], result of:
        4.7303815 = fieldWeight in 7628, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5686107 = idf(docFreq=57, maxDocs=41318)
          0.625 = fieldNorm(doc=7628)
    
  3. Olson, H.A.: Diversity in knowledge organization : Editorial (2001) 4.73
    4.7303815 = sum of:
      4.7303815 = weight(author_txt:olson in 687) [ClassicSimilarity], result of:
        4.7303815 = fieldWeight in 687, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5686107 = idf(docFreq=57, maxDocs=41318)
          0.625 = fieldNorm(doc=687)
    
  4. Olson, R.: Stumped reference librarians find help on the Internet (1994) 4.73
    4.7303815 = sum of:
      4.7303815 = weight(author_txt:olson in 1478) [ClassicSimilarity], result of:
        4.7303815 = fieldWeight in 1478, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5686107 = idf(docFreq=57, maxDocs=41318)
          0.625 = fieldNorm(doc=1478)
    
  5. Olson, D.R.: Language and thought : aspects of a cognitive theory of semantics (1970) 4.73
    4.7303815 = sum of:
      4.7303815 = weight(author_txt:olson in 2351) [ClassicSimilarity], result of:
        4.7303815 = fieldWeight in 2351, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5686107 = idf(docFreq=57, maxDocs=41318)
          0.625 = fieldNorm(doc=2351)
    

Similar documents (content)

  1. Van der Walt, M.: ¬The structure of classification schemes used in Internet search engines (1998) 0.19
    0.18911679 = sum of:
      0.18911679 = product of:
        0.59099 = sum of:
          0.01532305 = weight(abstract_txt:used in 1080) [ClassicSimilarity], result of:
            0.01532305 = score(doc=1080,freq=1.0), product of:
              0.07250705 = queryWeight, product of:
                1.0144626 = boost
                3.3813097 = idf(docFreq=3818, maxDocs=41318)
                0.021137774 = queryNorm
              0.21133186 = fieldWeight in 1080, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.3813097 = idf(docFreq=3818, maxDocs=41318)
                0.0625 = fieldNorm(doc=1080)
          0.030763183 = weight(abstract_txt:approach in 1080) [ClassicSimilarity], result of:
            0.030763183 = score(doc=1080,freq=2.0), product of:
              0.09158569 = queryWeight, product of:
                1.140144 = boost
                3.800219 = idf(docFreq=2511, maxDocs=41318)
                0.021137774 = queryNorm
              0.3358951 = fieldWeight in 1080, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.800219 = idf(docFreq=2511, maxDocs=41318)
                0.0625 = fieldNorm(doc=1080)
          0.01140708 = weight(abstract_txt:information in 1080) [ClassicSimilarity], result of:
            0.01140708 = score(doc=1080,freq=1.0), product of:
              0.07503717 = queryWeight, product of:
                1.4594833 = boost
                2.432305 = idf(docFreq=9864, maxDocs=41318)
                0.021137774 = queryNorm
              0.15201907 = fieldWeight in 1080, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.432305 = idf(docFreq=9864, maxDocs=41318)
                0.0625 = fieldNorm(doc=1080)
          0.10679299 = weight(abstract_txt:hierarchical in 1080) [ClassicSimilarity], result of:
            0.10679299 = score(doc=1080,freq=2.0), product of:
              0.2099755 = queryWeight, product of:
                1.7263554 = boost
                5.7541227 = idf(docFreq=355, maxDocs=41318)
                0.021137774 = queryNorm
              0.5085974 = fieldWeight in 1080, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.7541227 = idf(docFreq=355, maxDocs=41318)
                0.0625 = fieldNorm(doc=1080)
          0.11320927 = weight(abstract_txt:yahoo in 1080) [ClassicSimilarity], result of:
            0.11320927 = score(doc=1080,freq=1.0), product of:
              0.27504563 = queryWeight, product of:
                1.9758242 = boost
                6.5856285 = idf(docFreq=154, maxDocs=41318)
                0.021137774 = queryNorm
              0.41160178 = fieldWeight in 1080, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5856285 = idf(docFreq=154, maxDocs=41318)
                0.0625 = fieldNorm(doc=1080)
          0.14638709 = weight(abstract_txt:directories in 1080) [ClassicSimilarity], result of:
            0.14638709 = score(doc=1080,freq=1.0), product of:
              0.32645145 = queryWeight, product of:
                2.1525598 = boost
                7.1747065 = idf(docFreq=85, maxDocs=41318)
                0.021137774 = queryNorm
              0.44841915 = fieldWeight in 1080, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.1747065 = idf(docFreq=85, maxDocs=41318)
                0.0625 = fieldNorm(doc=1080)
          0.0769907 = weight(abstract_txt:search in 1080) [ClassicSimilarity], result of:
            0.0769907 = score(doc=1080,freq=4.0), product of:
              0.16882326 = queryWeight, product of:
                2.1891577 = boost
                3.6483457 = idf(docFreq=2923, maxDocs=41318)
                0.021137774 = queryNorm
              0.4560432 = fieldWeight in 1080, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                3.6483457 = idf(docFreq=2923, maxDocs=41318)
                0.0625 = fieldNorm(doc=1080)
          0.09011662 = weight(abstract_txt:classification in 1080) [ClassicSimilarity], result of:
            0.09011662 = score(doc=1080,freq=2.0), product of:
              0.2544818 = queryWeight, product of:
                3.0049987 = boost
                4.0063896 = idf(docFreq=2043, maxDocs=41318)
                0.021137774 = queryNorm
              0.35411814 = fieldWeight in 1080, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.0063896 = idf(docFreq=2043, maxDocs=41318)
                0.0625 = fieldNorm(doc=1080)
        0.32 = coord(8/25)
    
  2. Zhang, J.; Zeng, M.L.: ¬A new similarity measure for subject hierarchical structures (2014) 0.15
    0.15326042 = sum of:
      0.15326042 = product of:
        0.54735863 = sum of:
          0.01626203 = weight(abstract_txt:retrieval in 3774) [ClassicSimilarity], result of:
            0.01626203 = score(doc=3774,freq=1.0), product of:
              0.0754397 = queryWeight, product of:
                1.0347749 = boost
                3.4490128 = idf(docFreq=3568, maxDocs=41318)
                0.021137774 = queryNorm
              0.2155633 = fieldWeight in 3774, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4490128 = idf(docFreq=3568, maxDocs=41318)
                0.0625 = fieldNorm(doc=3774)
          0.07662905 = weight(abstract_txt:classificatory in 3774) [ClassicSimilarity], result of:
            0.07662905 = score(doc=3774,freq=1.0), product of:
              0.16829418 = queryWeight, product of:
                1.0928624 = boost
                7.2852483 = idf(docFreq=76, maxDocs=41318)
                0.021137774 = queryNorm
              0.45532802 = fieldWeight in 3774, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2852483 = idf(docFreq=76, maxDocs=41318)
                0.0625 = fieldNorm(doc=3774)
          0.021752855 = weight(abstract_txt:approach in 3774) [ClassicSimilarity], result of:
            0.021752855 = score(doc=3774,freq=1.0), product of:
              0.09158569 = queryWeight, product of:
                1.140144 = boost
                3.800219 = idf(docFreq=2511, maxDocs=41318)
                0.021137774 = queryNorm
              0.23751369 = fieldWeight in 3774, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.800219 = idf(docFreq=2511, maxDocs=41318)
                0.0625 = fieldNorm(doc=3774)
          0.02281416 = weight(abstract_txt:information in 3774) [ClassicSimilarity], result of:
            0.02281416 = score(doc=3774,freq=4.0), product of:
              0.07503717 = queryWeight, product of:
                1.4594833 = boost
                2.432305 = idf(docFreq=9864, maxDocs=41318)
                0.021137774 = queryNorm
              0.30403814 = fieldWeight in 3774, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.432305 = idf(docFreq=9864, maxDocs=41318)
                0.0625 = fieldNorm(doc=3774)
          0.19979139 = weight(abstract_txt:hierarchical in 3774) [ClassicSimilarity], result of:
            0.19979139 = score(doc=3774,freq=7.0), product of:
              0.2099755 = queryWeight, product of:
                1.7263554 = boost
                5.7541227 = idf(docFreq=355, maxDocs=41318)
                0.021137774 = queryNorm
              0.95149857 = fieldWeight in 3774, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                5.7541227 = idf(docFreq=355, maxDocs=41318)
                0.0625 = fieldNorm(doc=3774)
          0.14638709 = weight(abstract_txt:directories in 3774) [ClassicSimilarity], result of:
            0.14638709 = score(doc=3774,freq=1.0), product of:
              0.32645145 = queryWeight, product of:
                2.1525598 = boost
                7.1747065 = idf(docFreq=85, maxDocs=41318)
                0.021137774 = queryNorm
              0.44841915 = fieldWeight in 3774, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.1747065 = idf(docFreq=85, maxDocs=41318)
                0.0625 = fieldNorm(doc=3774)
          0.063722074 = weight(abstract_txt:classification in 3774) [ClassicSimilarity], result of:
            0.063722074 = score(doc=3774,freq=1.0), product of:
              0.2544818 = queryWeight, product of:
                3.0049987 = boost
                4.0063896 = idf(docFreq=2043, maxDocs=41318)
                0.021137774 = queryNorm
              0.25039935 = fieldWeight in 3774, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.0063896 = idf(docFreq=2043, maxDocs=41318)
                0.0625 = fieldNorm(doc=3774)
        0.28 = coord(7/25)
    
  3. Pasicznyuk, R.W.: Searching for the information on the Net : new wine into new wine skins (1995) 0.14
    0.14314294 = sum of:
      0.14314294 = product of:
        0.7157147 = sum of:
          0.0306461 = weight(abstract_txt:used in 5850) [ClassicSimilarity], result of:
            0.0306461 = score(doc=5850,freq=1.0), product of:
              0.07250705 = queryWeight, product of:
                1.0144626 = boost
                3.3813097 = idf(docFreq=3818, maxDocs=41318)
                0.021137774 = queryNorm
              0.42266372 = fieldWeight in 5850, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.3813097 = idf(docFreq=3818, maxDocs=41318)
                0.125 = fieldNorm(doc=5850)
          0.03252406 = weight(abstract_txt:retrieval in 5850) [ClassicSimilarity], result of:
            0.03252406 = score(doc=5850,freq=1.0), product of:
              0.0754397 = queryWeight, product of:
                1.0347749 = boost
                3.4490128 = idf(docFreq=3568, maxDocs=41318)
                0.021137774 = queryNorm
              0.4311266 = fieldWeight in 5850, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4490128 = idf(docFreq=3568, maxDocs=41318)
                0.125 = fieldNorm(doc=5850)
          0.22641854 = weight(abstract_txt:yahoo in 5850) [ClassicSimilarity], result of:
            0.22641854 = score(doc=5850,freq=1.0), product of:
              0.27504563 = queryWeight, product of:
                1.9758242 = boost
                6.5856285 = idf(docFreq=154, maxDocs=41318)
                0.021137774 = queryNorm
              0.82320356 = fieldWeight in 5850, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5856285 = idf(docFreq=154, maxDocs=41318)
                0.125 = fieldNorm(doc=5850)
          0.29277417 = weight(abstract_txt:directories in 5850) [ClassicSimilarity], result of:
            0.29277417 = score(doc=5850,freq=1.0), product of:
              0.32645145 = queryWeight, product of:
                2.1525598 = boost
                7.1747065 = idf(docFreq=85, maxDocs=41318)
                0.021137774 = queryNorm
              0.8968383 = fieldWeight in 5850, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.1747065 = idf(docFreq=85, maxDocs=41318)
                0.125 = fieldNorm(doc=5850)
          0.1333518 = weight(abstract_txt:search in 5850) [ClassicSimilarity], result of:
            0.1333518 = score(doc=5850,freq=3.0), product of:
              0.16882326 = queryWeight, product of:
                2.1891577 = boost
                3.6483457 = idf(docFreq=2923, maxDocs=41318)
                0.021137774 = queryNorm
              0.78989 = fieldWeight in 5850, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6483457 = idf(docFreq=2923, maxDocs=41318)
                0.125 = fieldNorm(doc=5850)
        0.2 = coord(5/25)
    
  4. Ellis, D.; Vasconcelos, A.: Ranganathan and the Net : using facet analysis to search and organise the World Wide Web (1999) 0.13
    0.13044895 = sum of:
      0.13044895 = product of:
        0.46588913 = sum of:
          0.01626203 = weight(abstract_txt:retrieval in 1847) [ClassicSimilarity], result of:
            0.01626203 = score(doc=1847,freq=1.0), product of:
              0.0754397 = queryWeight, product of:
                1.0347749 = boost
                3.4490128 = idf(docFreq=3568, maxDocs=41318)
                0.021137774 = queryNorm
              0.2155633 = fieldWeight in 1847, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4490128 = idf(docFreq=3568, maxDocs=41318)
                0.0625 = fieldNorm(doc=1847)
          0.030763183 = weight(abstract_txt:approach in 1847) [ClassicSimilarity], result of:
            0.030763183 = score(doc=1847,freq=2.0), product of:
              0.09158569 = queryWeight, product of:
                1.140144 = boost
                3.800219 = idf(docFreq=2511, maxDocs=41318)
                0.021137774 = queryNorm
              0.3358951 = fieldWeight in 1847, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.800219 = idf(docFreq=2511, maxDocs=41318)
                0.0625 = fieldNorm(doc=1847)
          0.01140708 = weight(abstract_txt:information in 1847) [ClassicSimilarity], result of:
            0.01140708 = score(doc=1847,freq=1.0), product of:
              0.07503717 = queryWeight, product of:
                1.4594833 = boost
                2.432305 = idf(docFreq=9864, maxDocs=41318)
                0.021137774 = queryNorm
              0.15201907 = fieldWeight in 1847, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.432305 = idf(docFreq=9864, maxDocs=41318)
                0.0625 = fieldNorm(doc=1847)
          0.08402398 = weight(abstract_txt:searchers in 1847) [ClassicSimilarity], result of:
            0.08402398 = score(doc=1847,freq=1.0), product of:
              0.22546837 = queryWeight, product of:
                1.788911 = boost
                5.962627 = idf(docFreq=288, maxDocs=41318)
                0.021137774 = queryNorm
              0.37266418 = fieldWeight in 1847, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.962627 = idf(docFreq=288, maxDocs=41318)
                0.0625 = fieldNorm(doc=1847)
          0.14638709 = weight(abstract_txt:directories in 1847) [ClassicSimilarity], result of:
            0.14638709 = score(doc=1847,freq=1.0), product of:
              0.32645145 = queryWeight, product of:
                2.1525598 = boost
                7.1747065 = idf(docFreq=85, maxDocs=41318)
                0.021137774 = queryNorm
              0.44841915 = fieldWeight in 1847, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.1747065 = idf(docFreq=85, maxDocs=41318)
                0.0625 = fieldNorm(doc=1847)
          0.0666759 = weight(abstract_txt:search in 1847) [ClassicSimilarity], result of:
            0.0666759 = score(doc=1847,freq=3.0), product of:
              0.16882326 = queryWeight, product of:
                2.1891577 = boost
                3.6483457 = idf(docFreq=2923, maxDocs=41318)
                0.021137774 = queryNorm
              0.394945 = fieldWeight in 1847, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6483457 = idf(docFreq=2923, maxDocs=41318)
                0.0625 = fieldNorm(doc=1847)
          0.11036987 = weight(abstract_txt:classification in 1847) [ClassicSimilarity], result of:
            0.11036987 = score(doc=1847,freq=3.0), product of:
              0.2544818 = queryWeight, product of:
                3.0049987 = boost
                4.0063896 = idf(docFreq=2043, maxDocs=41318)
                0.021137774 = queryNorm
              0.43370438 = fieldWeight in 1847, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.0063896 = idf(docFreq=2043, maxDocs=41318)
                0.0625 = fieldNorm(doc=1847)
        0.28 = coord(7/25)
    
  5. Lee, H.-L.: Navigating hierarchies vs. searching by keyword : two cultural perspectives (2006) 0.13
    0.12749135 = sum of:
      0.12749135 = product of:
        0.6374568 = sum of:
          0.08806196 = weight(abstract_txt:preferences in 2235) [ClassicSimilarity], result of:
            0.08806196 = score(doc=2235,freq=1.0), product of:
              0.14090881 = queryWeight, product of:
                6.6662087 = idf(docFreq=142, maxDocs=41318)
                0.021137774 = queryNorm
              0.6249571 = fieldWeight in 2235, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.6662087 = idf(docFreq=142, maxDocs=41318)
                0.09375 = fieldNorm(doc=2235)
          0.10225723 = weight(abstract_txt:students in 2235) [ClassicSimilarity], result of:
            0.10225723 = score(doc=2235,freq=2.0), product of:
              0.15567133 = queryWeight, product of:
                1.4864497 = boost
                4.954492 = idf(docFreq=791, maxDocs=41318)
                0.021137774 = queryNorm
              0.656879 = fieldWeight in 2235, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.954492 = idf(docFreq=791, maxDocs=41318)
                0.09375 = fieldNorm(doc=2235)
          0.16981392 = weight(abstract_txt:yahoo in 2235) [ClassicSimilarity], result of:
            0.16981392 = score(doc=2235,freq=1.0), product of:
              0.27504563 = queryWeight, product of:
                1.9758242 = boost
                6.5856285 = idf(docFreq=154, maxDocs=41318)
                0.021137774 = queryNorm
              0.6174027 = fieldWeight in 2235, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5856285 = idf(docFreq=154, maxDocs=41318)
                0.09375 = fieldNorm(doc=2235)
          0.21958064 = weight(abstract_txt:directories in 2235) [ClassicSimilarity], result of:
            0.21958064 = score(doc=2235,freq=1.0), product of:
              0.32645145 = queryWeight, product of:
                2.1525598 = boost
                7.1747065 = idf(docFreq=85, maxDocs=41318)
                0.021137774 = queryNorm
              0.67262876 = fieldWeight in 2235, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.1747065 = idf(docFreq=85, maxDocs=41318)
                0.09375 = fieldNorm(doc=2235)
          0.057743024 = weight(abstract_txt:search in 2235) [ClassicSimilarity], result of:
            0.057743024 = score(doc=2235,freq=1.0), product of:
              0.16882326 = queryWeight, product of:
                2.1891577 = boost
                3.6483457 = idf(docFreq=2923, maxDocs=41318)
                0.021137774 = queryNorm
              0.3420324 = fieldWeight in 2235, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6483457 = idf(docFreq=2923, maxDocs=41318)
                0.09375 = fieldNorm(doc=2235)
        0.2 = coord(5/25)