Model-driven formative evaluation of exploratory search: A study under a sensemaking framework     

Yan Qu  George W. Furnas 《Information processing & management》2008

The evaluation of exploratory search relies on the ongoing paradigm shift from focusing on the search algorithm to focusing on the interactive process. This paper proposes a model-driven formative evaluation approach, in which the goal is not the evaluation of a specific system, per se, but the exploration of new design possibilities. This paper gives an example of this approach where a model of sensemaking was used to inform the evaluation of a basic exploratory search system(s) in the context of a sensemaking task. The model suggested that, rather than just looking at simple search performance measures, we should examine closely the interwoven, interactive processes of both representation construction and information seeking. Participants were asked to make sense of an unfamiliar topic using an augmented query-based search system. The processes of representation construction and information seeking were captured and analyzed using data from experiment notes, interviews, and a system log. The data analysis revealed users’ sources of ideas for structuring representations and a tightly coupled relationship between search and representation construction in their exploratory searches. For example, users strategically used search to find useful structure ideas instead of just accumulating information facts. Implications for improving current search systems and designing new systems are discussed.  相似文献   

复系数线性微分系统的一种求解法   总被引：2，自引：0，他引：2  

付小兰  汤光宋 《临沂师范学院学报》1998,(6)

文中给出求解复常系数线性微分系系统,以及一类可化为常系数的复变系数线性微分系统的一种求解法  相似文献   

Information seeking behaviour differences indicate which US population groups lack information about human papilloma virus and associated cancer risks     

Bahareh Ansari MBA 《Health information and libraries journal》2023,40(1):42-53

  相似文献   

高考建制70年政策演变的 逻辑、特征与趋势          下载免费PDF全文

李木洲  叶晓芳 《复旦教育论坛》2022,20(5):14-20

纵观高考建制70年的政策演变，其大致历经了统招方向的确定、遭遇否定并中断、恢复与科学化探索以及建立新高考体系四个发展阶段。由于高考制度内外部关系的复杂性，高考改革主要遵循三大逻辑，即：以满足“多维需求”为导向的适应性改革逻辑、以注重“积小变大”为策略的渐进式改革逻辑和以坚持“实事求是”为原则的稳中求变改革逻辑。从高考政策的演变特征来看，演变动力实现了由政治主导到多元利益博弈的转变，演变取向完成了由追求效率与科学到强调公平与质量的转向，演变路径基本以由试点试验到全面铺开为主。基于我国新时代深化教育评价改革的目标，未来的高考政策将呈现四大发展趋势：一是综合评价招生将成为高校招生主渠道；二是高考指挥棒将转向引导学生素质全面发展；三是高考制度体系将趋于相对成熟与稳定；四是高考改革将注重构建高质量人才选拔体系。  相似文献   

面向创新型国家建设的科技查新研究     

高霞 《科技管理研究》2010,30(14)

科技查新为保证项目的新颖性提供文献依据,查新咨询工作在科技与经济发展中的作用越来越显著,已成为国家创新体系的重要组成部分,但是,科技查新过程中仍然暴露出诸多问题,必须正视和解决这些问题,充分利用科技信息部门的信息资源和检索手段为建设创新型国家主动提供服务.  相似文献   

In search of health information…     

Maria J. Grant PhD 《Health information and libraries journal》2023,40(2):123-124

Searching for health information is a core activity for health library and knowledge workers, whether seeking to support health care workers in overcoming barriers to accessing drug information, exploring the potential of text mining in developing search filters, translating search filters for use on alternative databases, or the importance of updating search filters to ensure their ongoing utility.  相似文献