Search (3182 results, page 2 of 160)

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  1. Hotho, A.; Bloehdorn, S.: Data Mining 2004 : Text classification by boosting weak learners based on terms and concepts (2004) 0.07 
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    Content
    Vgl.: http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CEAQFjAA&url=http%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fdownload%3Fdoi%3D10.1.1.91.4940%26rep%3Drep1%26type%3Dpdf&ei=dOXrUMeIDYHDtQahsIGACg&usg=AFQjCNHFWVh6gNPvnOrOS9R3rkrXCNVD-A&sig2=5I2F5evRfMnsttSgFF9g7Q&bvm=bv.1357316858,d.Yms.
    Date
    8. 1.2013 10:22:32
  2. Chau, M.; Lu, Y.; Fang, X.; Yang, C.C.: Characteristics of character usage in Chinese Web searching (2009) 0.07 
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    Abstract
    The use of non-English Web search engines has been prevalent. Given the popularity of Chinese Web searching and the unique characteristics of Chinese language, it is imperative to conduct studies with focuses on the analysis of Chinese Web search queries. In this paper, we report our research on the character usage of Chinese search logs from a Web search engine in Hong Kong. By examining the distribution of search query terms, we found that users tended to use more diversified terms and that the usage of characters in search queries was quite different from the character usage of general online information in Chinese. After studying the Zipf distribution of n-grams with different values of n, we found that the curve of unigram is the most curved one of all while the bigram curve follows the Zipf distribution best, and that the curves of n-grams with larger n (n = 3-6) had similar structures with ?-values in the range of 0.66-0.86. The distribution of combined n-grams was also studied. All the analyses are performed on the data both before and after the removal of function terms and incomplete terms and similar findings are revealed. We believe the findings from this study have provided some insights into further research in non-English Web searching and will assist in the design of more effective Chinese Web search engines.
    Date
    22.11.2008 17:57:22
  3. Asubiaro, T.V.; Onaolapo, S.: ¬A comparative study of the coverage of African journals in Web of Science, Scopus, and CrossRef (2023) 0.07 
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    Abstract
    This is the first study that evaluated the coverage of journals from Africa in Web of Science, Scopus, and CrossRef. A list of active journals published in each of the 55 African countries was compiled from Ulrich's periodicals directory and African Journals Online (AJOL) website. Journal master lists for Web of Science, Scopus, and CrossRef were searched for the African journals. A total of 2,229 unique active African journals were identified from Ulrich (N = 2,117, 95.0%) and AJOL (N = 243, 10.9%) after removing duplicates. The volume of African journals in Web of Science and Scopus databases is 7.4% (N = 166) and 7.8% (N = 174), respectively, compared to the 45.6% (N = 1,017) covered in CrossRef. While making up only 17.% of all the African journals, South African journals had the best coverage in the two most authoritative databases, accounting for 73.5% and 62.1% of all the African journals in Web of Science and Scopus, respectively. In contrast, Nigeria published 44.5% of all the African journals. The distribution of the African journals is biased in favor of Medical, Life and Health Sciences and Humanities and the Arts in the three databases. The low representation of African journals in CrossRef, a free indexing infrastructure that could be harnessed for building an African-centric research indexing database, is concerning.
    Date
    22. 6.2023 14:09:06
  4. Wurangian, N.: Using the OCLC Cataloging Micro Enhancer to produce a bibliography list (1993) 0.06 
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    Source
    OCLC systems and services. 9(1993) no.1, S.22-24
  5. Lambert, N.: Of thesauri and computers : reflections on the need for thesauri (1995) 0.06 
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    Source
    Searcher. 3(1995) no.8, S.18-22
  6. Dimitrova, N.; Golshani, F.: Motion recovery for video content classification (1995) 0.06 
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    Date
    8. 4.1996 9:22:36
  7. Frei, H.P.; Meienberg, S.: Evaluating weighted search terms as Boolean queries (1991) 0.06 
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    Pages
    S.11-22
    Source
    Information retrieval: GI/GMD-Workshop, Darmstadt, 23.-24.6.1991: Proceedings. Ed.: N. Fuhr
  8. Ramarapu, N.: ¬The impact of hypertext versus sequential information presentation on decision making : a conceptual model (1996) 0.06 
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    Date
    24.10.1996 19:57:22
  9. Infield, N.: Capitalising on knowledge : if knowledge is power, why don't librarians rule the world? (1997) 0.06 
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    Source
    Information world review. 1997, no.130, S.22
  10. Moore, N.: ¬The British national information strategy (1998) 0.06 
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    Date
    22. 2.1999 17:03:18
  11. Pemberton, J.K.; Ojala, M.; Garman, N.: Head to head : searching the Web versus traditional services (1998) 0.06 
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    Source
    Online. 22(1998) no.3, S.24-26,28
  12. Stanley, D.; Lyandres, N.: ¬The electronic revolution and the evolving role of the academic reference librarian (1998) 0.06 
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    Date
    22. 5.1999 18:27:09
  13. Oxbrow, N.: Information literacy : the final key to an information society (1998) 0.06 
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    Date
    22. 5.1999 19:55:13
  14. Z39.19-1993: Guidelines for the construction, format, and management of monolingual thesauri (1993) 0.06 
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    Footnote
    Rez. in: Knowledge organization 22(1995) no.3/4, S.180-181 (M. Hudon)
    Type
    n
  15. Rostaing, H.; Barts, N.; Léveillé, V.: Bibliometrics: representation instrument of the multidisciplinary positioning of a scientific area : Implementation for an Advisory Scientific Committee (2007) 0.06 
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    30.12.2007 11:22:39
  16. OWL Web Ontology Language Test Cases (2004) 0.06 
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    Date
    14. 8.2011 13:33:22
    Type
    n
  17. Huang, M.; Barbour, J.; Su, C.; Contractor, N.: Why do group members provide information to digital knowledge repositories? : a multilevel application of transactive memory theory (2013) 0.06 
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    Abstract
    The proliferation of digital knowledge repositories (DKRs) used for distributed and collocated work raises important questions about how to manage these technologies. This study investigates why individuals contribute information to DKRs by applying and extending transactive memory theory. Data from knowledge workers (N = 208) nested in work groups (J = 17) located in Europe and the United States revealed, consistent with transactive memory theory, that perceptions of experts' retrieval of information were positively related to the likelihood of information provision to DKRs. The relationship between experts' perceptions of retrieval and information provision varied from group to group, and cross-level interactions indicated that trust in how the information would be used and the interdependence of tasks within groups could explain that variation. Furthermore, information provision to DKRs was related to communication networks in ways consistent with theorizing regarding the formation of transactive memory systems. Implications for theory and practice are discussed, emphasizing the utility of multilevel approaches for conceptualizing and modeling why individuals provide information to DKRs.
    Date
    22. 3.2013 19:39:00
  18. Stojanovic, N.: Ontology-based Information Retrieval : methods and tools for cooperative query answering (2005) 0.05 
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    Content
    Vgl.: http%3A%2F%2Fdigbib.ubka.uni-karlsruhe.de%2Fvolltexte%2Fdocuments%2F1627&ei=tAtYUYrBNoHKtQb3l4GYBw&usg=AFQjCNHeaxKkKU3-u54LWxMNYGXaaDLCGw&sig2=8WykXWQoDKjDSdGtAakH2Q&bvm=bv.44442042,d.Yms.
  19. Fjällbrant, N.: EDUCATE: a networked user education project in Europe (1996) 0.05 
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    Source
    IFLA journal. 22(1996) no.1, S.31-34
  20. Bunnell, N.: ¬The Internet and learning (1996) 0.05 
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    Source
    Technical services quarterly. 13(1996) nos.3/4, S.5-22

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