Search (3 results, page 1 of 1)

  • × author_ss:"Li, X."
  • × language_ss:"e"
  • × year_i:[2010 TO 2020}
  1. Li, X.; Thelwall, M.; Kousha, K.: ¬The role of arXiv, RePEc, SSRN and PMC in formal scholarly communication (2015) 0.02
    0.023322042 = product of:
      0.03498306 = sum of:
        0.017578071 = weight(_text_:m in 2593) [ClassicSimilarity], result of:
          0.017578071 = score(doc=2593,freq=2.0), product of:
            0.12786965 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.051385287 = queryNorm
            0.13746867 = fieldWeight in 2593, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2593)
        0.017404992 = product of:
          0.034809984 = sum of:
            0.034809984 = weight(_text_:22 in 2593) [ClassicSimilarity], result of:
              0.034809984 = score(doc=2593,freq=2.0), product of:
                0.17994252 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.051385287 = queryNorm
                0.19345059 = fieldWeight in 2593, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2593)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Date
    20. 1.2015 18:30:22
  2. Lu, W.; Li, X.; Liu, Z.; Cheng, Q.: How do author-selected keywords function semantically in scientific manuscripts? (2019) 0.01
    0.0087376 = product of:
      0.0262128 = sum of:
        0.0262128 = product of:
          0.0524256 = sum of:
            0.0524256 = weight(_text_:de in 5453) [ClassicSimilarity], result of:
              0.0524256 = score(doc=5453,freq=2.0), product of:
                0.22082771 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.051385287 = queryNorm
                0.23740499 = fieldWeight in 5453, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5453)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Abstract
    Author-selected keywords have been widely utilized for indexing, information retrieval, bibliometrics and knowledge organization in previous studies. However, few studies exist con-cerning how author-selected keywords function semantically in scientific manuscripts. In this paper, we investigated this problem from the perspective of term function (TF) by devising indica-tors of the diversity and symmetry of keyword term functions in papers, as well as the intensity of individual term functions in papers. The data obtained from the whole Journal of Informetrics(JOI) were manually processed by an annotation scheme of key-word term functions, including "research topic," "research method," "research object," "research area," "data" and "others," based on empirical work in content analysis. The results show, quantitatively, that the diversity of keyword term function de-creases, and the irregularity increases with the number of author-selected keywords in a paper. Moreover, the distribution of the intensity of individual keyword term function indicated that no significant difference exists between the ranking of the five term functions with the increase of the number of author-selected keywords (i.e., "research topic" > "research method" > "research object" > "research area" > "data"). The findings indicate that precise keyword related research must take into account the dis-tinct types of author-selected keywords.
  3. Li, X.; Cox, A.; Ford, N.; Creaser, C.; Fry, J.; Willett, P.: Knowledge construction by users : a content analysis framework and a knowledge construction process model for virtual product user communities (2017) 0.00
    0.004916277 = product of:
      0.01474883 = sum of:
        0.01474883 = product of:
          0.05899532 = sum of:
            0.05899532 = weight(_text_:authors in 3574) [ClassicSimilarity], result of:
              0.05899532 = score(doc=3574,freq=2.0), product of:
                0.23425597 = queryWeight, product of:
                  4.558814 = idf(docFreq=1258, maxDocs=44218)
                  0.051385287 = queryNorm
                0.25184128 = fieldWeight in 3574, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.558814 = idf(docFreq=1258, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3574)
          0.25 = coord(1/4)
      0.33333334 = coord(1/3)
    
    Abstract
    Purpose The purpose of this paper is to develop a content analysis framework and from that derive a process model of knowledge construction in the context of virtual product user communities, organization sponsored online forums where product users collaboratively construct knowledge to solve their technical problems. Design/methodology/approach The study is based on a deductive and qualitative content analysis of discussion threads about solving technical problems selected from a series of virtual product user communities. Data are complemented with thematic analysis of interviews with forum members. Findings The research develops a content analysis framework for knowledge construction. It is based on a combination of existing codes derived from frameworks developed for computer-supported collaborative learning and new categories identified from the data. Analysis using this framework allows the authors to propose a knowledge construction process model showing how these elements are organized around a typical "trial and error" knowledge construction strategy. Practical implications The research makes suggestions about organizations' management of knowledge activities in virtual product user communities, including moderators' roles in facilitation. Originality/value The paper outlines a new framework for analysing knowledge activities where there is a low level of critical thinking and a model of knowledge construction by trial and error. The new framework and model can be applied in other similar contexts.