Katrina M. Hanna

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Choosing the best-performing server for a particular client from a group of replicated proxies is a difficult task. We offer a novel, two-step technique for server selection that chooses a small subset of five servers, and isolates testing to that subset for ten days. We present an empirical evaluation of both our method and previously proposed metrics(More)
We propose and evaluate a mobile, peer-to-peer Information Retrieval system. Such a system can, for example, support medical care in a disaster by allowing access to a large collections of medical literature. In our system, documents in a collection are replicated in an overlapping manner at mobile peers. This provides resilience in the face of node(More)
A methodological study was conducted to initially test the psychometric properties of an adolescent and young adult condom perception scale. A 25-item scale measured the constructs of perceived benefits and barriers to using condoms in preventing human immunodeficiency virus and other sexually transmitted diseases. The items were developed based on a review(More)
The purpose of this study was to initially test the psychometric properties of an adolescent and young adult condom self-efficacy scale. The sample consisted of 209 participants (13 to 26 years old) who voluntarily completed a 19-item scale. The items were developed based on a review of the literature and a review by experts in adolescents' and young(More)
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