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Anonymous personalization in collaborative web search 总被引：2，自引：0，他引：2
We present an innovative approach to Web search, called collaborative search, that seeks to cope with the type of vague queries that are commonplace in Web search. We do this by leveraging the search
behaviour of previous searchers to personalize future result-lists according to the implied preferences of a community of
like-minded individuals. This technique is implemented in the I-SPY meta-search engine and we present the results of a live-user
trial which indicates that I-SPY can offer improved search performance when compared to a benchmark search engine, across
a variety of performance metrics. In addition, I-SPY achieves its level of personalization while preserving the anonymity
of individual users, and we argue that this offers unique privacy benefits compared to alternative approaches to personalization. 相似文献
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Helen Askell‐Williams Rosalind Murray‐Harvey Michael J. Lawson 《The Teacher Educator》2013,48(4):237-263
Abstract Students develop robust mental models of teaching and learning during their school years, and as such, often teach as they were taught—possibly perpetuating practices that limit intellectual inquiry in classrooms. This paper reports on an analysis, using a conceptual framework and NUD?1ST software, of a cohort of 3rd‐year teacher education students' reflections on changes in their mental models following their experiences in a problem‐based learning (PBL) topic. Results provide evidence that students do report changing mental models in areas such as (a) the value of case studies for engaging with subject content, motivating learning, and connecting theory with practice; (b) self‐reflection and peer collaboration for cognitive and professional growth; and (c) processes of inquiry for developing self‐regulated learning practices. 相似文献
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Emer Smyth 《School Effectiveness & School Improvement》2013,24(4):480-502
This article assesses whether second-level schools in Ireland, typically covering pupils 12 to 18 years of age, are equally effective in relation to three different outcomes: examination performance, absenteeism and potential drop-out among pupils. The article uses data from a large-scale survey of second-level pupils in 116 schools in Ireland. Analysis is restricted to one cohort: pupils aged 15-16 years who took a nationally standardised examination, the Junior Certificate, in 1994. Multivariate multi-level modelling techniques are used to assess the impact of pupil background and schooling factors on overall examination performance, on absenteeism levels and on intentions to leave school after the exam. Some consistency is found among these different dimensions of school effectiveness: pupil absenteeism and potential drop-out rates are lower in schools which enhance academic progress among pupils. These outcomes are associated with more positive teacher-pupil relations and a more positive academic climate within the school. 相似文献
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