Proactive identification of query failure

Proactive identification of query failure
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主动识别查询失败

DOI:
10.1002/pra2.15
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发表时间:
2019
影响因子:
--
通讯作者:
Shah, Chirag
Shah, Chirag
中科院分区:
--
文献类型:
--
作者:
Liu, Jiqun;Shah, Chirag

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当用户在发出查询后未能找到任何有用的信息来支持手头的任务时,该用户将经历查询失败。由于用户拥有有限的认知资源,查询失败往往会导致用户沮丧,因为与之相关的搜索交互没有获得明显的好处。因此,为了改善用户的搜索体验,我们对40名参与者进行了一项对照实验室研究,试图探索在用户开始检查检索结果之前,可以在多大程度上主动识别查询失败。具体地,基于从80个搜索会话产生的693个查询片段收集的数据,我们使用过去的搜索行为和当前的查询属性作为特征来构建分类器,并检验了其在捕获查询失败方面的性能。我们发现:(1)利用过去搜索行为数据的分析算法在不同类型的任务中的性能明显优于基线模型;(2)对用户搜索意图的了解有助于提高预测模型的性能。结果为开发基于任务的搜索交互的主动系统支持铺平了道路。
When a user fails to find any useful information to support the task at hand after issuing a query, the user experiences aquery failure. Since users possess limited cognitive resources, query failures often lead to user frustration as no clear benefit is obtained from the associated search interactions. Therefore, to improve users' search experiences, we conducted a controlled‐lab study with 40 participants, seeking to explore the extent to which query failures can be proactively identifiedbefore users start examining the retrieved results. Specifically, based on the data collected from 693 query segments generated in 80 search sessions, we used past search behaviors and current query attributes as features to build classifiers and examined the performance in capturing query failures. We report that (1) analytics algorithms utilizing past search behavioral data have significantly better performances than the baseline model in tasks of different types, and (2) The knowledge of users' search intentions can help improve the performance of the prediction model. Results pave way for developing proactive system supports for task‐based search interactions.
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