Search (22 results, page 1 of 2)

  • × year_i:[2020 TO 2030}
  • × theme_ss:"Informetrie"
  1. Asubiaro, T.V.; Onaolapo, S.: ¬A comparative study of the coverage of African journals in Web of Science, Scopus, and CrossRef (2023) 0.03 
    0.026739586 = product of:
  0.06684896 = sum of:
    0.031571276 = weight(_text_:7 in 992) [ClassicSimilarity], result of:
      0.031571276 = score(doc=992,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.18300632 = fieldWeight in 992, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.0390625 = fieldNorm(doc=992)
    0.035277683 = weight(_text_:22 in 992) [ClassicSimilarity], result of:
      0.035277683 = score(doc=992,freq=2.0), product of:
        0.18236019 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052075688 = queryNorm
        0.19345059 = fieldWeight in 992, 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=992)
  0.4 = coord(2/5)
    Date
    22. 6.2023 14:09:06
    Source
    Journal of the Association for Information Science and Technology. 74(2023) no.7, S.745-758
  2. Zhang, Y.; Wu, M.; Zhang, G.; Lu, J.: Stepping beyond your comfort zone : diffusion-based network analytics for knowledge trajectory recommendation (2023) 0.03 
    0.026739586 = product of:
  0.06684896 = sum of:
    0.031571276 = weight(_text_:7 in 994) [ClassicSimilarity], result of:
      0.031571276 = score(doc=994,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.18300632 = fieldWeight in 994, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.0390625 = fieldNorm(doc=994)
    0.035277683 = weight(_text_:22 in 994) [ClassicSimilarity], result of:
      0.035277683 = score(doc=994,freq=2.0), product of:
        0.18236019 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052075688 = queryNorm
        0.19345059 = fieldWeight in 994, 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=994)
  0.4 = coord(2/5)
    Date
    22. 6.2023 18:07:12
    Source
    Journal of the Association for Information Science and Technology. 74(2023) no.7, S.775-790
  3. Thelwall, M.; Kousha, K.; Abdoli, M.; Stuart, E.; Makita, M.; Wilson, P.; Levitt, J.: Why are coauthored academic articles more cited : higher quality or larger audience? (2023) 0.03 
    0.026739586 = product of:
  0.06684896 = sum of:
    0.031571276 = weight(_text_:7 in 995) [ClassicSimilarity], result of:
      0.031571276 = score(doc=995,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.18300632 = fieldWeight in 995, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.0390625 = fieldNorm(doc=995)
    0.035277683 = weight(_text_:22 in 995) [ClassicSimilarity], result of:
      0.035277683 = score(doc=995,freq=2.0), product of:
        0.18236019 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052075688 = queryNorm
        0.19345059 = fieldWeight in 995, 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=995)
  0.4 = coord(2/5)
    Date
    22. 6.2023 18:11:50
    Source
    Journal of the Association for Information Science and Technology. 74(2023) no.7, S.791-810
  4. Vakkari, P.; Järvelin, K.; Chang, Y.-W.: ¬The association of disciplinary background with the evolution of topics and methods in Library and Information Science research 1995-2015 (2023) 0.03 
    0.026739586 = product of:
  0.06684896 = sum of:
    0.031571276 = weight(_text_:7 in 998) [ClassicSimilarity], result of:
      0.031571276 = score(doc=998,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.18300632 = fieldWeight in 998, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.0390625 = fieldNorm(doc=998)
    0.035277683 = weight(_text_:22 in 998) [ClassicSimilarity], result of:
      0.035277683 = score(doc=998,freq=2.0), product of:
        0.18236019 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052075688 = queryNorm
        0.19345059 = fieldWeight in 998, 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=998)
  0.4 = coord(2/5)
    Date
    22. 6.2023 18:15:06
    Source
    Journal of the Association for Information Science and Technology. 74(2023) no.7, S.811-827
  5. Dederke, J.; Hirschmann, B.; Johann, D.: ¬Der Data Citation Index von Clarivate : Eine wertvolle Ressource für die Forschung und für Bibliotheken? (2022) 0.02 
    0.017859414 = product of:
  0.08929707 = sum of:
    0.08929707 = weight(_text_:7 in 50) [ClassicSimilarity], result of:
      0.08929707 = score(doc=50,freq=4.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.5176201 = fieldWeight in 50, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.078125 = fieldNorm(doc=50)
  0.2 = coord(1/5)
    Date
    7. 9.2015 18:35:21
    7. 4.2022 13:31:51
  6. Dorsch, I.; Haustein, S.: Bibliometrie (2023) 0.01 
    0.010102809 = product of:
  0.050514046 = sum of:
    0.050514046 = weight(_text_:7 in 789) [ClassicSimilarity], result of:
      0.050514046 = score(doc=789,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.2928101 = fieldWeight in 789, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.0625 = fieldNorm(doc=789)
  0.2 = coord(1/5)
    Source
    Grundlagen der Informationswissenschaft. Hrsg.: Rainer Kuhlen, Dirk Lewandowski, Wolfgang Semar und Christa Womser-Hacker. 7., völlig neu gefasste Ausg
  7. Manley, S.: Letters to the editor and the race for publication metrics (2022) 0.01 
    0.009877752 = product of:
  0.04938876 = sum of:
    0.04938876 = weight(_text_:22 in 547) [ClassicSimilarity], result of:
      0.04938876 = score(doc=547,freq=2.0), product of:
        0.18236019 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052075688 = queryNorm
        0.2708308 = fieldWeight in 547, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.0546875 = fieldNorm(doc=547)
  0.2 = coord(1/5)
    Date
    6. 4.2022 19:22:26
  8. Lorentzen, D.G.: Bridging polarised Twitter discussions : the interactions of the users in the middle (2021) 0.01 
    0.008466644 = product of:
  0.04233322 = sum of:
    0.04233322 = weight(_text_:22 in 182) [ClassicSimilarity], result of:
      0.04233322 = score(doc=182,freq=2.0), product of:
        0.18236019 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052075688 = queryNorm
        0.23214069 = fieldWeight in 182, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.046875 = fieldNorm(doc=182)
  0.2 = coord(1/5)
    Date
    20. 1.2015 18:30:22
  9. Milard, B.; Pitarch, Y.: Egocentric cocitation networks and scientific papers destinies (2023) 0.01 
    0.008466644 = product of:
  0.04233322 = sum of:
    0.04233322 = weight(_text_:22 in 918) [ClassicSimilarity], result of:
      0.04233322 = score(doc=918,freq=2.0), product of:
        0.18236019 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052075688 = queryNorm
        0.23214069 = fieldWeight in 918, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.046875 = fieldNorm(doc=918)
  0.2 = coord(1/5)
    Date
    21. 3.2023 19:22:14
  10. Tay, W.; Zhang, X.; Karimi , S.: Beyond mean rating : probabilistic aggregation of star ratings based on helpfulness (2020) 0.01 
    0.0075771073 = product of:
  0.037885536 = sum of:
    0.037885536 = weight(_text_:7 in 5917) [ClassicSimilarity], result of:
      0.037885536 = score(doc=5917,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.21960759 = fieldWeight in 5917, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.046875 = fieldNorm(doc=5917)
  0.2 = coord(1/5)
    Source
    Journal of the Association for Information Science and Technology. 71(2020) no.7, S.784-799
  11. Gök, A.; Karaulova, M.: How "international" is international research collaboration? (2024) 0.01 
    0.0075771073 = product of:
  0.037885536 = sum of:
    0.037885536 = weight(_text_:7 in 1195) [ClassicSimilarity], result of:
      0.037885536 = score(doc=1195,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.21960759 = fieldWeight in 1195, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.046875 = fieldNorm(doc=1195)
  0.2 = coord(1/5)
    Date
    7. 1.2024 17:43:45
  12. Liu, X.; Bu, Y.; Li, M.; Li, J.: Monodisciplinary collaboration disrupts science more than multidisciplinary collaboration (2024) 0.01 
    0.0075771073 = product of:
  0.037885536 = sum of:
    0.037885536 = weight(_text_:7 in 1202) [ClassicSimilarity], result of:
      0.037885536 = score(doc=1202,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.21960759 = fieldWeight in 1202, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.046875 = fieldNorm(doc=1202)
  0.2 = coord(1/5)
    Date
    7. 1.2024 18:28:33
  13. Thelwall, M.; Thelwall, S.: ¬A thematic analysis of highly retweeted early COVID-19 tweets : consensus, information, dissent and lockdown life (2020) 0.01 
    0.007055537 = product of:
  0.035277683 = sum of:
    0.035277683 = weight(_text_:22 in 178) [ClassicSimilarity], result of:
      0.035277683 = score(doc=178,freq=2.0), product of:
        0.18236019 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052075688 = queryNorm
        0.19345059 = fieldWeight in 178, 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=178)
  0.2 = coord(1/5)
    Date
    20. 1.2015 18:30:22
  14. Wang, S.; Ma, Y.; Mao, J.; Bai, Y.; Liang, Z.; Li, G.: Quantifying scientific breakthroughs by a novel disruption indicator based on knowledge entities : On the rise of scrape-and-report scholarship in online reviews research (2023) 0.01 
    0.007055537 = product of:
  0.035277683 = sum of:
    0.035277683 = weight(_text_:22 in 882) [ClassicSimilarity], result of:
      0.035277683 = score(doc=882,freq=2.0), product of:
        0.18236019 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052075688 = queryNorm
        0.19345059 = fieldWeight in 882, 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=882)
  0.2 = coord(1/5)
    Date
    22. 1.2023 18:37:33
  15. Cerda-Cosme, R.; Méndez, E.: Analysis of shared research data in Spanish scientific papers about COVID-19 : a first approach (2023) 0.01 
    0.007055537 = product of:
  0.035277683 = sum of:
    0.035277683 = weight(_text_:22 in 916) [ClassicSimilarity], result of:
      0.035277683 = score(doc=916,freq=2.0), product of:
        0.18236019 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052075688 = queryNorm
        0.19345059 = fieldWeight in 916, 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=916)
  0.2 = coord(1/5)
    Date
    21. 3.2023 19:22:02
  16. Fang, Z.; Costas, R.; Tian, W.; Wang, X.; Wouters, P.: How is science clicked on Twitter? : click metrics for Bitly short links to scientific publications (2021) 0.01 
    0.0063142553 = product of:
  0.031571276 = sum of:
    0.031571276 = weight(_text_:7 in 265) [ClassicSimilarity], result of:
      0.031571276 = score(doc=265,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.18300632 = fieldWeight in 265, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.0390625 = fieldNorm(doc=265)
  0.2 = coord(1/5)
    Source
    Journal of the Association for Information Science and Technology. 72(2021) no.7, S.918-932
  17. Ikae, C.; Savoy, J.: Gender identification on Twitter (2022) 0.01 
    0.0063142553 = product of:
  0.031571276 = sum of:
    0.031571276 = weight(_text_:7 in 445) [ClassicSimilarity], result of:
      0.031571276 = score(doc=445,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.18300632 = fieldWeight in 445, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.0390625 = fieldNorm(doc=445)
  0.2 = coord(1/5)
    Abstract
    To determine the author of a text's gender, various feature types have been suggested (e.g., function words, n-gram of letters, etc.) leading to a huge number of stylistic markers. To determine the target category, different machine learning models have been suggested (e.g., logistic regression, decision tree, k nearest-neighbors, support vector machine, naïve Bayes, neural networks, and random forest). In this study, our first objective is to know whether or not the same model always proposes the best effectiveness when considering similar corpora under the same conditions. Thus, based on 7 CLEF-PAN collections, this study analyzes the effectiveness of 10 different classifiers. Our second aim is to propose a 2-stage feature selection to reduce the feature size to a few hundred terms without any significant change in the performance level compared to approaches using all the attributes (increase of around 5% after applying the proposed feature selection). Based on our experiments, neural network or random forest tend, on average, to produce the highest effectiveness. Moreover, empirical evidence indicates that reducing the feature set size to around 300 without penalizing the effectiveness is possible. Finally, based on such reduced feature sizes, an analysis reveals some of the specific terms that clearly discriminate between the 2 genders.
  18. Järvelin, K.; Vakkari, P.: LIS research across 50 years: content analysis of journal articles : offering an information-centric conception of memes (2022) 0.01 
    0.0063142553 = product of:
  0.031571276 = sum of:
    0.031571276 = weight(_text_:7 in 949) [ClassicSimilarity], result of:
      0.031571276 = score(doc=949,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.18300632 = fieldWeight in 949, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.0390625 = fieldNorm(doc=949)
  0.2 = coord(1/5)
    Source
    Journal of documentation. 78(2022) no.7, S.65-88
  19. Tian, W.; Cai, R.; Fang, Z.; Geng, Y.; Wang, X.; Hu, Z.: Understanding co-corresponding authorship : a bibliometric analysis and detailed overview (2024) 0.01 
    0.0063142553 = product of:
  0.031571276 = sum of:
    0.031571276 = weight(_text_:7 in 1196) [ClassicSimilarity], result of:
      0.031571276 = score(doc=1196,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.18300632 = fieldWeight in 1196, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.0390625 = fieldNorm(doc=1196)
  0.2 = coord(1/5)
    Date
    7. 1.2024 17:47:11
  20. Delgado-Quirós, L.; Aguillo, I.F.; Martín-Martín, A.; López-Cózar, E.D.; Orduña-Malea, E.; Ortega, J.L.: Why are these publications missing? : uncovering the reasons behind the exclusion of documents in free-access scholarly databases (2024) 0.01 
    0.0063142553 = product of:
  0.031571276 = sum of:
    0.031571276 = weight(_text_:7 in 1201) [ClassicSimilarity], result of:
      0.031571276 = score(doc=1201,freq=2.0), product of:
        0.17251469 = queryWeight, product of:
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.052075688 = queryNorm
        0.18300632 = fieldWeight in 1201, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.3127685 = idf(docFreq=4376, maxDocs=44218)
          0.0390625 = fieldNorm(doc=1201)
  0.2 = coord(1/5)
    Date
    7. 1.2024 18:13:38

Authors

Languages

  • e 20
  • d 2