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Extended English abstracts of articles published in the Chinese edition of Journal of Library Science in China 2018 Vol.44 171

elements, while tool, rule/norm and division of labor are mediated elements. By the interaction
of these elements, the social search task is finally completed and the result (answers/information/
knowledge) is generated. Secondly, the combination of three adjacent elements of social search
behavior constitutes four closely linked subsystems, that is to say, sharing system, production
system, communication system and collaboration system. Thirdly, social search behavior can
be divided into search activities, search actions and search operations via a top-down approach,
which is respectively influenced by search motive, search goal and search conditions. In the social
search context, these six elements, four subsystems and three hierarchies are indispensable and
closely linked to each other. Thus, the examination on the social search behavior structure can
help us better understand the nature and mechanism of social search intuitively and clearly. At the
same time, it is significant to design the platforms and tools of social search, as well as human-
computer interaction. From a dynamic-macroscopic point of view, in the first place, there exists a
cognitive process of internalization and externalization between the subject and the object of social
search behavior. In the second place, social search behavior can be decomposed into three task
execution phases, including pre-search (identifying, considering), in-search (selecting, questioning,
obtaining) and post-search (judging, confirming). In order to facilitate the understanding of the
task execution phases, this paper selects four types of social search behavior (social Q & A, social
search engine, social tagging and social media), namely Zhihu, Weibo Search, Douban, WeChat,
which are widely used in the current Chinese context, and takes the search task “Please List Classic
Films that Reflect World War II” as an example for the search experience and comparison.
From a theoretical perspective, this paper deeply reveals the structure and process of social
search behavior, establishes main categories of social search behavior research and further expands
the scope of Activity Theory in the emerging context. From a practical perspective, the findings
of this paper are beneficial for improving information literacy of social search users, information
value analysis of social search, and design of social search system interface and human-computer
interaction.

Implementing the Standardized Usage Statistics Harvesting Initiative (SUSHI)
protocol
CHEN Daqing, YE Lan〇 & DING Pei
〇a*
The Standardized Usage Statistics Harvesting Initiative (SUSHI) is a protocol developed in
response to the need in libraries to collect COUNTER compliant usage statistics automatically.
Ten years have passed since SUSHI became a NISO standard, but there is still confusion about
how to implement SUSHI for both libraries and content providers, and they don’t know what

* Correspondence should be addressed to YE Lan, Email: yel@szu.edu.cn, ORCID：0000-0002-3079-5399