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The purpose of this paper is to develop a research model examining users' perceived value of a location-based social networking service (LB-SNS) through hedonic, utilitarian, and social values. This study investigates the impact for each type of perceived value on user satisfaction, behavioural intention to use, and word-of-mouth for LB-SNS.

Data were collected from 172 Korean smartphone users with experience using LB-SNS. This study employed PLS to test the proposed model and corresponding hypotheses.

A positive influence exists for each type of perceived value on satisfaction with hedonic value having the strongest relationship. Hedonic value is positively correlated with behavioural intention to use LB-SNS and positive word-of-mouth while social value affects positive word-of-mouth. Utilitarian value did not influence either behavioural intention to use LB-SNS or positive word-of-mouth. User satisfaction has a significant influence on both behavioural intention to use LB-SNS and positive word-of-mouth.

This study is at the forefront of research focused on LB-SNS adoption, extending beyond the utilitarian-hedonic value dichotomy to include a social dimension. This study confirmed that perceived value is an antecedent of satisfaction, which leads to behavioural intentions.

The advantages and benefits of LB-SNS should be emphasised to increase users' perceived value. LB-SNS providers can improve user satisfaction by increasing the hedonic, utilitarian, and social value of their services. Organisations should seek out and explore the possibilities of marketing campaigns through LB-SNS.

This study is the first empirical study examining user acceptance of LB-SNS incorporating users' perceived value satisfaction and behavioural intentions

This paper aims to analyse the adoption of fitness wearables by using the unified theory of acceptance and use of technology (UTAUT). The study analyses the relative weights and causal combinations of antecedent variables on use and intention to use fitness wearables.

The study design involves two stages: first, from the perspective of variable-oriented analysis, a structural equation model is tested using partial least squares (PLS) technique on a sample of 176 adopters and a second sample of 187 non-adopters. Second, from the perspective of case-oriented analysis, a fuzzy set qualitative comparative analysis (fsQCA) identifies causal combinations of variables that lead to use of wearables by adopters and intention to use by non-adopters.

PLS results show that performance expectancy and effort expectancy have high net effects on use and intention to use for adopters. FsQCA analysis shows that current users follow a streamlined path to adoption. High beliefs on performance expectancy and effort expectancy are the main influences of intention to use a fitness wearable for non-adopters. In contrast to adopters, non-adopters may follow a number of paths to intention to use through performance expectancy, effort expectancy or facilitating conditions. This insight was apparent only after analysing the data sets by using fsQCA.

For sake of parsimony, this paper tested UTAUT model instead of the more complex unified theory of acceptance and use of technology 2.

Marketers in the fitness category can enhance use and intention to use by utilising not one but a combination of causal factors such as performance expectancy, effort expectancy and facilitating conditions. Wide societal deployment of wearables depends on performance and expectations.

The widespread use of mobile devices depends on performance expectancy and effort expectancy. To transit to a real knowledge economy, co-creation should occur at early stages of product development so that these expectations are shared and better products be developed.

This paper offers a nuanced understanding of fitness wearable adoption by analysing adopters and non-adopters through variable- and case-oriented techniques. It complements the one-linear-path perspective with a number of alternative causal combinations of variables that lead to use and intention to use fitness wearables. While the causal path for adopters is unique, there are a number of causal combinations of antecedents that lead to high intention to use in potential adopters.

The study selected five small-scale food operations as visual stimuli and eye-tracking experiment was conducted with 36 female participants in a laboratory setting. Heat maps were used to visualize viewers' visual attention on the storefronts. The eye-movement data were analyzed using one-way repeated ANOVA to identify a significant difference between stimuli in terms of average fixation duration, fixation counts and revisits. An independent t-test was also used to examine statistical difference among text and image in menu board. The significance cut-off of p-value was set to <0.05.

The exteriors of food-service establishments are major business representation. However, few studies have been conducted to examine customers' visual processing toward small-scale restaurants. The present study accordingly aims to discover customers' different levels of attention to the frontage in food stands through eye tracking, which would be practical for future owners to plan their exterior shop design.

The findings can be summarized as follows: First, upper board shows the highest level of attention, suggesting an optimal location of menu board for grasping customers' attention. Second, customers also gaze the inside of a store along with the food on display, which are related with food hygiene and the perception. Third, textual information on menu boards tends to attract more visual attention than those of images. Overall, the current study indicates various customers' attention toward the location of menu boards as well as the type of visual information on menu board.

The results of this study make a new insight into customers' viewing behavior toward exteriors of food-service establishments. This study is one of the first attempts to explore how customers distribute visual attention to the exterior images of food stand by using eye-tracking technology. The findings of this research thus enrich the food-service literature and offer meaningful discoveries on customers' visual behaviors. For example, this study suggests that customers tend to be attracted to textual information on menu boards rather than graphical ones.

As the risks associated with sugar-sweetened beverages (SSBs) increase, various policies require sugar to be reduced in beverages. This paper segmented consumers according to food-related lifestyle (FRL), analyzed beverage selection attributes and preference for sugar-reduced beverages (SRBs) for each group and presented basic data for the strategies of SRBs for each consumer group.

In total, 1,000 Korean consumer panels responded to the online survey. The questionnaire consisted of FRL, beverage selection attributes and attitude toward SRBs.

Consumer groups were divided according to FRL: rational, value seeking and careless consumer. Rational consumers tended to be in their 30s or 50s and women, and they focused on product quality/hygiene when choosing beverages. Value seeking consumers were mainly in their 40s and 50s and were characterized by high education and income. They showed high scores in quality/hygiene, economy and sensory traits. Careless consumers were more likely to be in their 20s–30s, unmarried men and considered sensory traits as the most important factor.

The main limitation of this study is the lack of generalization of consumer panels to represent the entire population because they were part of an online research firm.

This study implies that segmenting consumers according to FRL allows detailed analysis of consumer attitudes and behaviors. Using this analysis, the complex consumer pattern can be used as basic data for promoting sugar-reduced beverages.

Shortest distance query between a pair of nodes in a graph is a classical problem with a wide variety of applications. Exact methods for this problem are infeasible for large-scale graphs such as social networks with hundreds of millions of users and links due to their high complexity of time and space. The purpose of this paper is to propose a novel landmark selection strategy which can estimate the shortest distances in large-scale graphs and clarify the efficiency and accuracy of the proposed strategy in comparison with currently used strategies.

Different from existing strategies, the landmark selection problem is regarded as a binary combinational optimization problem consisting of two optimization objectives and one constraint. Further, the original binary combinational optimization problem with constraints is transformed to a proper form of optimization objectives without any additional constraints and the equivalence of solutions is proved. Finally the solution of the optimization problem is performed with a modified multi-objective particle swarm optimization (MOPSO) integrating the mutation operator and crossover operator of genetic algorithm.

Four real networks of large scale are used as data sets to carry out the experiments and the experiment results show that the proposed strategy improves both of the accuracy and time efficiency to perform shortest distance estimation in large scale graph compared to other currently used strategies.

This paper proposes a novel landmark selection strategy which regards the landmark selection problem as a binary combinational optimization problem. The original binary combinational optimization problem with constraints is transformed to a proper form of optimization objectives without constraints and the equivalence of these two optimization problems is proved. This novel strategy also utilizes a modified MOPSO integrating the mutation operator and crossover operator of genetic algorithm.

Despite the importance of incorporating social media with customer relationship management (CRM), the implementation of social CRM is still in its initial stages for a majority of green brands. The purpose of this paper is to examine whether consumers’ perception-based factors of the online CRM tactics through social media (i.e. perceived marketer-dominated information quality, perceived interaction quality, and perceived service content quality in social media) offered by the green brand were related to the perceived customer retention orientation (CRO) of the green fashion retailer, which was related to patronage intention towards the green retailer, and the moderating effect of green consciousness on the link between perceived CRO of the green retailer and patronage intention.

Data were collected from social media users (n=631) using a consumer panel via an online survey. Structural equation modelling was employed to test the proposed model and research hypotheses.

This study found that the perceived CRO of the green retailer was positively related to patronage intention. The perceived marketer-dominated information quality and perceived service content quality in social media were positively related to the perceived CRO of the green retailer. Green consciousness moderated the link between perceived CRO and patronage intention.

First, this study contributes to the further theoretical understanding of the underlying factors that influence customer perception of the CRO of the green retailer and green patronage intention. Second, on a managerial level, this proposed model provides green retailers with beneficial insights into the development of successful social CRM.

Confucian philosophy emphasizes gender roles that place significant restrictions on the consumption of non-traditional products. The authors use wine to advance our understanding of how South Korean female consumers have established a new female gender role and identity by adopting new communities that allow non-traditional consumption while still accepting gender roles. This paper aims to examine how South Korean female consumers create a unique consumption culture with respect to wine consumption.

A hermeneutic approach was adopted to understand what motivates South Korean female consumers to join a wine consumption community and their perceptions about consuming wine. Researchers conducted 26 semi-structured face-to-face interviews that ranged from 45 to 120 min, with an average duration of 1 h.

The results of the study suggest that wine can be a medium for emancipating women from traditional gender roles and social images of women embedded in South Korean society that call for women to sacrifice themselves for their families. In addition, the study’s findings suggest that Western wine marketers need to understand the power of wine consumption communities that are a unique consumption ritual among South Korean female wine consumers.

South Korean female respondents drink wine as both a way to seek pleasure through a Western alcoholic beverage and to consume and experience Western culture and lifestyles. However, South Korean female respondents tend to drink wine within consumption communities, which are a powerful consumption ritual in South Korea. In other words, although South Korean female respondents consume wine to experience and learn about Western culture and lifestyles, they have entirely not abandoned their traditional consumption rituals.