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  • × author_ss:"Savoy, J."
  1. Ikae, C.; Savoy, J.: Gender identification on Twitter (2022) 0.03 
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    Source
    Journal of the Association for Information Science and Technology. 73(2022) no.1, S.58-69
  2. Savoy, J.: Text representation strategies : an example with the State of the union addresses (2016) 0.01 
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    Abstract
    Based on State of the Union addresses from 1790 to 2014 (225 speeches delivered by 42 presidents), this paper describes and evaluates different text representation strategies. To determine the most important words of a given text, the term frequencies (tf) or the tf?idf weighting scheme can be applied. Recently, latent Dirichlet allocation (LDA) has been proposed to define the topics included in a corpus. As another strategy, this study proposes to apply a vocabulary specificity measure (Z?score) to determine the most significantly overused word-types or short sequences of them. Our experiments show that the simple term frequency measure is not able to discriminate between specific terms associated with a document or a set of texts. Using the tf idf or LDA approach, the selection requires some arbitrary decisions. Based on the term-specific measure (Z?score), the term selection has a clear theoretical basis. Moreover, the most significant sentences for each presidency can be determined. As another facet, we can visualize the dynamic evolution of usage of some terms associated with their specificity measures. Finally, this technique can be employed to define the most important lexical leaders introducing terms overused by the k following presidencies.
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  3. Savoy, J.: Estimating the probability of an authorship attribution (2016) 0.01 
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    Date
    7. 5.2016 21:22:27
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  4. Savoy, J.: Stemming of French words based on grammatical categories (1993) 0.00 
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  5. Savoy, J.: Bayesian inference networks and spreading activation in hypertext systems (1992) 0.00 
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  6. Savoy, J.; Picard, J.: Retrieval effectiveness on the web (2001) 0.00 
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  7. Savoy, J.; Ndarugendamwo, M.; Vrajitoru, D.: Report on the TREC-4 experiment : combining probabilistic and vector-space schemes (1996) 0.00 
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  8. Savoy, J.; Calvé, A. le; Vrajitoru, D.: Report on the TREC5 experiment : data fusion and collection fusion (1997) 0.00 
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  9. Savoy, J.: ¬A stemming procedure and stopword list for general French Corpora (1999) 0.00 
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  10. Savoy, J.; Desbois, D.: Information retrieval in hypertext systems (1991) 0.00 
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  11. Savoy, J.: Effectiveness of information retrieval systems used in a hypertext environment (1993) 0.00 
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  12. Savoy, J.: ¬A learning scheme for information retrieval in hypertext (1994) 0.00 
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  13. Savoy, J.: Searching information in legal hypertext systems (1993/94) 0.00 
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  14. Savoy, J.: ¬A new probabilistic scheme for information retrieval in hypertext (1995) 0.00 
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  15. Savoy, J.: Bibliographic database access using free-text and controlled vocabulary : an evaluation (2005) 0.00 
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  16. Dolamic, L.; Savoy, J.: When stopword lists make the difference (2009) 0.00 
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  17. Savoy, J.: Ranking schemes in hybrid Boolean systems : a new approach (1997) 0.00 
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  18. Savoy, J.: Searching strategies for the Hungarian language (2008) 0.00 
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  19. Abdou, S.; Savoy, J.: Searching in Medline : query expansion and manual indexing evaluation (2008) 0.00 
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  20. Fautsch, C.; Savoy, J.: Algorithmic stemmers or morphological analysis? : an evaluation (2009) 0.00 
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