Now showing items 1-6 of 6

  • A comparison of various approaches for using probabilistic dependencies in language modeling. 

    Bruza, Peter D.; Song, Dawei (ACM http://doi.acm.org/10.1145/860435.860530, 2003-08)
    BRUZA, P. D. and SONG, D., 2003. A comparison of various approaches for using probabilistic dependencies in language modeling. In: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR2003). 28 July – 01 August 2003. New York: ACM. pp. 419-420
    The goals of this article is to study several estimates of relevance models which will be computed based on differing approaches for incorporating term dependency information. In this way, we hope to shed light on the ...
  • Discovering information flow using a high dimensional conceptual space. 

    Song, Dawei; Bruza, Peter D. (ACM Press. http://doi.acm.org/10.1145/383952.384017, 2001-09)
    SONG, D. and BRUZA, P. D., 2001. Discovering information flow using a high dimensional conceptual space. In: Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. 9-13 September 2001. New York: ACM. pp. 327-333.
    This paper presents an informational inference mechanism realized via the use of a high dimensional conceptual space. More specifically, we claim to have operationalized important aspects of Gärdenfors’s recent three-level ...
  • Inferring query models by computing information flow. 

    Bruza, Peter D.; Song, Dawei (ACM Press, 2002-11)
    BRUZA, P. D. and SONG, D., 2002. Inferring query models by computing information flow. In: Proceedings of the 11th International ACM Conference on Information and Knowledge Management (CIKM 2002). 4-9 November 2002. New York: ACM Press. pp. 260-269.
    The language modelling approach to information retrieval can also be used to compute query models. A query model can be envisaged as an expansion of an initial query. The more prominent query models in the literature ...
  • An intelligent information agent for document title classification and filtering in document-intensive domains. 

    Song, Dawei; Lau, Raymond Y. K.; Bruza, Peter D.; Wong, Kam-Fai; Chen, Ding-Yi (Elsevier http://dx.doi.org/10.1016/j.dss.2007.04.001, 2007-11)
    SONG, D., LAU, R. Y. K., BRUZA, P. D., WONG, K. F. and CHEN, D. Y., 2007. An intelligent information agent for document title classification and filtering in document-intensive domains. Decision Support Systems, 44 (1), pp. 251-265.
    Effective decision making is based on accurate and timely information. However, human decision makers are often overwhelmed by the huge amount of electronic data these days. The main contribution of this paper is the ...
  • Query expansion using term relationships in language models for information retrieval. 

    Bai, Jing; Song, Dawei; Bruza, Peter D.; Nie, Jian-Yun; Cao, Guihong (ACM Press http://doi.acm.org/10.1145/1099554.1099725, 2005-11)
    BAI, J., SONG, D., BRUZA, P. D., NIE, J. Y. and CAO, G., 2005. Query expansion using term relationships in language models for information retrieval. In: A. CHOWDHURY, N. FUHR, M. RONTHALER, H.-J. SCHEK and W. TEIKEN, eds. Proceedings of the 14th ACM International Conference on Information and Knowledge Management. 31 October – 5 November 2005. New York : ACM Press. pp. 688-695.
    Language Modeling (LM) has been successfully applied to Information Retrieval (IR). However, most of the existing LM approaches only rely on term occurrences in documents, queries and document collections. In traditional ...
  • Towards a belief-revision-based adaptive and context-sensitive information retrieval system. 

    Lau, Raymond Y. K.; Bruza, Peter D.; Song, Dawei (ACM http://doi.acm.org/10.1145/1344411.1344414, 2008-03)
    LAU, R. Y. K., BRUZA, P. and SONG, D., 2008. Towards a belief-revision-based adaptive and context-sensitive information retrieval system. ACM Transactions on Information Systems, 26 (2), article 8.
    In an adaptive information retrieval (IR) setting, the information seekers' beliefs about which terms are relevant, or non-relevant, will naturally fluctuate. This article investigates how the theory of belief revision ...