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Copyright of Nankai Business Review is the property of Nankai Business Review Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Nankai Business Review is the property of Nankai Business Review Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective: To evaluate the online social support obtained by parents of children with autism. Methods: The social network location and post text features of the members in the online community were selected as model indicators to build a quantitative evaluation model of online social support. Two autism microblog communities were selected for analysis, and two parenting micro-blog communities were used as controls. Totally 408 parents of children with autism and 550 parents of normal children were included. Social network analysis and text analysis methods were used to explore the location of social networks and the characteristics of post texts, and the evaluation model was used to analyze the online social support acquisition of parents of autistic children. Results: The results of social network analysis showed that the closeness centrality of parents of autistic children in online communities was significantly higher than that of parents of normal children (P <0.001). The results of text analysis showed that there were no significant differences in text characteristics among different communities (P>0.05).The model evaluation results showed that the online social support scores of different communities were significantly different (P <0.001),and the online social evaluation scores were higher in parents of children with autism than in parents of normal children (Ps <0.001). Conclusion: Parents of children with autism form tight groups in the community and receive more online social support than parents of normal children. [ABSTRACT FROM AUTHOR]

Copyright of Nankai Business Review is the property of Nankai Business Review Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

With the decreasing of product life cycle and the strengthening of users' personalized demand, the user involvement in product innovation has become an important strategy for enterprises to maintain their competitive advantages. Based on the view of bibliometrics, screening out 452 publications in the field of user involvement in product innovation from Web of Science Core Collection as research samples, this study conducts visual analysis on the research overview, research hotspots and evolution context in this research field by using CiteSpace and Gephi. The results show as follows: First, the literatures on user involvement in product innovation present an increasing trend on the whole, and the articles are mainly distributed in the US and China. Especially, American scholars lead the research in the field. Second, product innovation and service innovation are mutually integrated, and user involvement is closely related to other stakeholders such as suppliers. Third, the core theories in this field mainly include open innovation theory, value co-creation theory, and user innovation theory. Fourth, the study identifies four main hotspots: the process of user involvement in product innovation, the mode of user involvement in product innovation, value co-creation based on user perspective, and the relationship between user involvement and product innovation performance. Based on the four research hotspots, this paper proposes a theoretical framework of user involvement: the capability-context-process-mode (CCPM) framework. Finally, the overall evolution path in this field develops from the mode of user involvement in product innovation to value co-creation based on user perspective, and then to the relationship between user involvement and product innovation performance, and the improvement of the former two provides the foundation for the diversification of the latter. Thus, a logical framework of "new product attribute evaluation → user involvement mode → value co-creation factors → product innovation performance" is formed. The above results are beneficial to understand the hotspots and development trends in the field of user involvement in product innovation and provide theoretical implication for future research. [ABSTRACT FROM AUTHOR]

Copyright of Tourism Tribune / Lvyou Xuekan is the property of Tourism Institute of Beijing Union University and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Guangdong University of Technology is the property of Journal of Guangdong University of Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

This study analyzed how social capital is conceptualized in the existing empirical studies of online community knowledge sharing. We firstly introduce the theoretical concept of social capital, followed by an examination of the variables representing the concept in ten empirical information science research papers. We further used Nahapiet and Ghoshal's (1998) three-dimensional framework for conceptualizing social capital (i.e., structural, relational, cognitive) to compare the variables. The systematic literature review and analysis allows for a revelation of how the relatively complicated social capital concept has been constructed and operationalized in empirical research and shed light on how the conceptualization may be strengthened in future studies. (Article content in Chinese with English extended abstract)

By combining advantages of the most two prevalent group recommending methods, this paper built a new algorithm frame and introduced the disagreement factor to perfect the model. In addition, considering the specialty of online groups, it defined a variable to describe the interaction frequency among group members, and evaluated its effect on recommending results by analyzing its relationship with the recommending precision index. It used the data of Douban to test the efficacy of this algorithm. Results show that the algorithm considering disagreement factor obtains better recommendation effect, and that a well-designed interaction mechanism contributes to improving recommending precision. [ABSTRACT FROM AUTHOR]