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11.
Intelligent use of the many diverse forms of data available on the Internet requires new tools for managing and manipulating
heterogeneous forms of information. This paper uses WHIRL, an extension of relational databases that can manipulate textual
data using statistical similarity measures developed by the information retrieval community. We show that although WHIRL is
designed for more general similarity-based reasoning tasks, it is competitive with mature systems designed explicitly for
inductive classification. In particular, WHIRL is well suited for combining different sources of knowledge in the classification
process. We show on a diverse set of tasks that the use of appropriate sets of unlabeled background knowledge often decreases
error rates, particularly if the number of examples or the size of the strings in the training set is small. This is especially
useful when labeling text is a labor-intensive job and when there is a large amount of information available about a particular
problem on the World Wide Web.
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| Haym HirshEmail: |
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Harriet L. Cohen Mark H. Sandel Cecilia L. Thomas Thomas R. Barton 《Educational gerontology》2013,39(4):329-346
During the coming years the number of older adults will increase dramatically, which will require a corresponding increase in the number of social workers who have accurate knowledge of this population. This article reports the impact focus groups with older adults and with service providers who work with older adults and their families have on baccalaureate social work (BSW) students. We find that BSW students exposed to focus groups have their negative attitudes about older adults and service providers deconstructed and replaced with more positive and accurate information about older adults. When students' misconceptions about older adults are confronted, they become more interested in choosing geriatric social work as a career option. 相似文献
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Harriet L. Cohen 《Educational gerontology》2013,39(7):599-620
To be old in our society is to be devalued. To be old and female is to experience double oppression. This article reports on a study that examined how television both reinforces and resists the prevailing images of older women in Western society. Two randomly selected television rerun episodes of The Golden Girls were selected to use as a trigger event with members of a graduate course in Social Work with older adults at a major southeastern university. The study found that television reflects societal discourse about aging by providing unchallenged images of older women and their lives. Given the power of television, educators and gerontologists must teach students to develop critical thinking and media literacy skills that challenge and deconstruct television's images about older women and to advocate for new programming that reflects more accurate and diverse portrayals of older women. 相似文献
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