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Full-Text Articles in Library and Information Science
The Ensemble Mesh-Term Query Expansion Models Using Multiple Lda Topic Models And Ann Classifiers In Health Information Retrieval, Sukjin You
Theses and Dissertations
Information retrieval in the health field has several challenges. Health information terminology is difficult for consumers (laypeople) to understand. Formulating a query with professional terms is not easy for consumers because health-related terms are more familiar to health professionals. If health terms related to a query are automatically added, it would help consumers to find relevant information. The proposed query expansion (QE) models show how to expand a query using MeSH (Medical Subject Headings) terms. The documents were represented by MeSH terms (i.e. Bag-of-MeSH), which were included in the full-text articles. And then the MeSH terms were used to generate …
Awareness And Utilization Of Search Engines For Information Retrieval By Students Of National Open University Of Nigeria In Enugu Study Centre Library, Sunday Jude Onuh, Ogoegbunam Loveth Ekwueme
Awareness And Utilization Of Search Engines For Information Retrieval By Students Of National Open University Of Nigeria In Enugu Study Centre Library, Sunday Jude Onuh, Ogoegbunam Loveth Ekwueme
Library Philosophy and Practice (e-journal)
This study dwelt on awareness and utilization of search engines for information retrieval by students of National Open University of Nigeria (NOUN) Enugu Study centre. Descriptive survey research was adopted for the study. Two research questions were drawn from the two purposes that guided the study. The population consists of 5855 undergraduate students of NOUN Enugu Study Centre. A sample size of 293 students was used as 5% of the entire population. A questionnaire was used as an instrument for data collection. These research questions were analyzed using mean and standard deviation scores. The findings showed that the level of …
Subject Approach To Information Retrieval With Special Reference To Bengali Documents: A Critical Study, Dr. Sambhu Nath Halder
Subject Approach To Information Retrieval With Special Reference To Bengali Documents: A Critical Study, Dr. Sambhu Nath Halder
Library Philosophy and Practice (e-journal)
The library provides its services to satisfy the user’s approach. This study is done to assess users’ attitudes towards the retrieval of the Bengali document in OPAC through subject headings. It also traces users’ perceptions regarding subject access highlighting the problems in the retrieval of Bengali documents by subject in OPACs. It can be inferred that some features are required to be incorporated to improve the functionality of the OPACs and thereby to satisfy users’ requirements. Results revealed that search experience using subject headings is not satisfactory. Keywords search rather performs better but due to redundancy of search, it is …