Search (5 results, page 1 of 1)

  • × author_ss:"Pao, M.L."
  • × year_i:[1980 TO 1990}
  1. Pao, M.L.: Concepts of information retrieval (1989) 0.01 
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  2. Pao, M.L.: Retrieval differences between term and citation indexing (1989) 0.01 
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    Abstract
    A retrieval experiment was conducted to compare on-line searching using terms opposed to citations. This is the first study in which a single data base was used to retrieve two equivalent sets for each query, one using terms found in the bibliographic record to achieve higher recall, and the other using documents. Reports on the use of a second citation searching strategy. Overall, by using both types of search keys, the total recall is increased.
    Source
    Information, knowledge, evolution. Proceedings of the 44th FID congress, Helsinki, 28.8.-1.9.1988. Ed. by S. Koshiala and R. Launo
  3. Pao, M.L.; Worthen, D.B.: Retrieval effectiveness by semantic and citation searching (1989) 0.00 
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    Abstract
    A pilot study on the relative retrieval effectiveness of semantic relevance (by terms) and pragmatic relevance (by citations) is reported. A single database has been constructed to provide access by both descriptors and cited references. For each question from a set of queries, two equivalent sets were retrieved. All retrieved items were evaluated by subject experts for relevance to their originating queries. We conclude that there are essentially two types of relevance at work resulting in two different sets of documents. Using both search methods to create a union set is likely to increase recall. Those few retrieved by the intersection of the two methods tend to result in higher precision. Suggestions are made to develop a front-end system to display the overlapping items for higher precision and to manipulate and rank the union set sets retrieved by the two search modes for improved output
    Source
    Journal of the American Society for Information Science. 40(1989), S.226-235
  4. Pao, M.L.: Specifity of terms in questions (1983) 0.00 
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    Series
    Kluwer international series on Asian studies in computer and information science; 20
    Source
    Productivity in the information age: proceedings of the 46th ASIS annual meeting, 1983. Ed. Raymond F Vondran
  5. Pao, M.L.: ¬An empirical examination of Lotka's law (1986) 0.00 
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    Source
    Journal of the American Society for Information Science. 37(1986), S.26-33

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