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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 …
Baby Boomers And Technology: Factors And Challenges In Utilizing Mobile Devices, Renee K. Bennett- Kapusniak
Baby Boomers And Technology: Factors And Challenges In Utilizing Mobile Devices, Renee K. Bennett- Kapusniak
Theses and Dissertations
This exploratory dissertation study reports an investigation of Baby Boomers utilizing mobile technology to determine how Baby Boomers were utilizing mobile devices and if there were any types of challenges and affecting factors some Baby Boomers could face when searching for information in an online mobile environment. Fifty Baby Boomer participants were recruited by a purposive snowball sampling method and were divided into two groups, twenty-five Younger Boomers and twenty-five Older Boomers to look for comparisons and differences among the Baby Boomers in regards to mobile technology usage, search activities, environmental context, frequency and duration of search activities, as well …