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Relationships among work tasks, search tasks, and interactive information searching behavior.

机译：工作任务，搜索任务和交互式信息搜索行为之间的关系。

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摘要

This dissertation explores the relationships between work tasks and search tasks, and between work tasks and interactive information searching behavior. A faceted classification of tasks served as a framework of this research. Two sequential studies, i.e., Study 1 and Study 2, were conducted. Semi-structured in-depth interviews were carried out to collect data in Study 1. The applicability of the faceted classification of tasks to a university community were examined and the classification was refined, based on which Study 1 investigated the relationships between work tasks and search tasks. The results indicated that several facets of work tasks are significantly related to search tasks, while only a few search task facets are heavily related to work task facets. The examination of the relationships provided empirical evidence to support that work tasks and search tasks are two different constructs and their effect on interactive information search behavior should be accounted for separately. This study also identified work task facets which substantially affect search tasks and interactive information searching behavior. Based on the findings in Study 1, an experiment was conducted in Study 2 to probe the relationships between work tasks and interactive information searching behavior. The results demonstrated that work tasks are important factors in shaping users' interaction with information systems. Study 2 also found that different work task facets play different roles in affecting users' interaction with information systems, and common attributes of tasks seem to be more important than the generic facets of tasks. Moreover, among common attributes objective work task complexity affects the most aspects of interactive information searching behavior. The results also indicated that knowledge of work task topic, work task difficulty, and subjective work task complexity influence different aspects of interaction in different degrees. This research demonstrates that a faceted approach to conceptualizing tasks is feasible and effective. These results and findings have theoretical, practical, and methodological implications for task-based information retrieval and personalization of information retrieval.
机译：本文探讨了工作任务与搜索任务之间的关系，以及工作任务与交互式信息搜索行为之间的关系。任务的多面分类是本研究的框架。进行了两个连续研究，即研究1和研究2。在研究1中进行了半结构化的深度访谈，以收集数据。研究了任务的分面分类在大学社区中的适用性，并对分类进行了细化，在此基础上，研究1调查了工作任务与搜索之间的关系。任务。结果表明，工作任务的几个方面与搜索任务密切相关，而只有少数搜索任务的方面与工作任务密切相关。关系的检查提供了经验证据，以支持工作任务和搜索任务是两种不同的结构，并且它们对交互式信息搜索行为的影响应分开考虑。这项研究还确定了工作任务方面，这些方面会严重影响搜索任务和交互式信息搜索行为。基于研究1的发现，在研究2中进行了一项实验，以探讨工作任务与交互式信息搜索行为之间的关系。结果表明，工作任务是影响用户与信息系统交互的重要因素。研究2还发现，不同的工作任务方面在影响用户与信息系统的交互中起着不同的作用，任务的共同属性似乎比任务的一般方面更为重要。此外，在共同属性中，客观工作任务的复杂性会影响交互式信息搜索行为的大多数方面。结果还表明，工作任务主题的知识，工作任务的难度和主观工作任务的复杂性会在不同程度上影响交互的不同方面。这项研究表明，采用多方面的方法来概念化任务是可行和有效的。这些结果和发现对于基于任务的信息检索和信息检索的个性化具有理论，实践和方法论意义。

著录项

  • 作者

    Li, Yuelin.;

  • 作者单位

    Rutgers The State University of New Jersey - New Brunswick.;

  • 授予单位 Rutgers The State University of New Jersey - New Brunswick.;
  • 学科 Library Science.;Information Science.
  • 学位 Ph.D.
  • 年度 2008
  • 页码 316 p.
  • 总页数 316
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 图书馆学、图书馆事业;信息与知识传播;
  • 关键词

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