多体裁学术文档信息单元相关性研究——基于任务与语言功能单元关系的探索

doi:10.3772/j.issn.1000-0135.2021.06.001

情报学报

2021, Vol. 40

Issue (6): 555-564 DOI: 10.3772/j.issn.1000-0135.2021.06.001

情报理论与应用

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多体裁学术文档信息单元相关性研究——基于任务与语言功能单元关系的探索

马翠嫦

中山大学图书馆，广州 510275

Relevance of Multi-Genre Information Unit: The Association between Task and Functional Unit

Ma Cuichang

Libraries of Sun Yat-sen University, Guangzhou 510275

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摘要随着信息组织与检索对象的粒度从文档整体细化至局部信息单元，用户需求与文档之间的相关性问题亟待深入至信息单元的层面进行探索和检验。本文利用体裁的情境、认知和粒度特性，将文档整体细化至其体裁所包含的信息单元-语言功能单元，在交互式检索框架下探索用户信息任务、多体裁语言功能单元等因素，以及其交互作用对感知有用性的影响。本文采用问卷调查法开展两轮调查，采取分层抽样方法招募图书情报学领域的研究人员、博士研究生和硕士研究生，分别对任务与语言功能单元分类体系进行评估，对任务和语言功能单元对感知有用性的影响进行调查。研究发现，用户的感知有用性取决于任务、语言功能单元及二者的交互作用；网络文档使用频率也可影响各任务下感知有用性水平。相关研究结果明晰了相关性判断中基于任务和多体裁语言功能单元的情境和认知标准，为任务与体裁之间的关联关系寻求底层的解释机制，因而有助于提高检索系统从多体裁网络文档中检索信息片段的情境与认知的相关性，为细粒度智能信息组织与服务提供方法参考。

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	马翠嫦

关键词 ：相关性, 信息单元, 体裁, 信息任务, 感知有用性

收稿日期: 2020-04-27

基金资助:中央高校基本科研业务费项目“支持跨学科知识发现的学术论文信息单元识别与聚合研究”（17wkpy56）。

作者简介: 马翠嫦，女，1981年生，博士，副研究馆员，主要研究方向为信息组织与知识组织、用户行为、文献资源建设等，E-mail：macch@mail.sysu.edu.c；

引用本文:

马翠嫦. 多体裁学术文档信息单元相关性研究——基于任务与语言功能单元关系的探索[J]. 情报学报, 2021, 40(6): 555-564.
Ma Cuichang. Relevance of Multi-Genre Information Unit: The Association between Task and Functional Unit. 情报学报, 2021, 40(6): 555-564.

链接本文:

https://qbxb.istic.ac.cn/CN/10.3772/j.issn.1000-0135.2021.06.001 或 https://qbxb.istic.ac.cn/CN/Y2021/V40/I6/555

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