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To examine how perceptions of complementary and supplementary fit and relationship quality contribute to successful mentorship co-creation.

Data were collected via cross-sectional survey of 145 mentor–protégé dyads within institutions of higher education in the USA. Mentors evaluated their perceptions of supplementary and complementary fit and relationship quality with their protégés and vice versa. Additionally, mentors evaluated their protégés’ performance, whereas protégés reported on their own learning. Data were analyzed using the actor–partner interdependence model.

Results suggest that one's own fit perceptions are most important in predicting one's evaluation of relationship quality. Additionally, for both mentor and protégé, complementary fit and supplementary fit predict evaluations of relationship quality to a similar degree. Finally, each person's perceptions of relationship quality mediated the relationships between their own perceptions of fit and mentor-rated protégé performance, but not the relationships between perceptions of fit and protégé-rated learning.

Research has often studied mentorships from the perspective of one party, which limits our understanding of mentorship co-creation. This study investigates how both parties simultaneously contribute to mentorship success, as indicated by protégé learning and performance. Additionally, the authors clarify the extent to which perceptions of different types of fit are instrumental in co-creating successful mentorships.

This paper aims to review the extant hospitality and tourism literature on the state of robotics and artificial intelligence (AI) in the service industry. The aim was to highlight the current areas of research on this emerging topic and identify areas for future application and study.

A list of hospitality and tourism journals was used to identify articles related to AI and robotics using the terms AI, robots, robotics, hospitality and tourism, and several combinations thereof. Additional sources were identified through the literature reviews from the identified works.

The findings revealed several studies on the current state of robotics and AI in hospitality and tourism. Additional research examines and discusses implications for internal and external customer service, legal and ethical issues and theory.

This paper provides a compilation of the current studies that examine the impact of robotics and AI in hospitality and tourism. It offers scholars an overview of the current knowledge in the field on this rapidly emerging and evolving topic.

本文审阅了有关服务行业中机器学和智能技术（AI）发展的相关文献。其研究目的在于强调有关这个新兴话题的研究领域和指出未来研究方向。

本文样本包括有关AI和机器学的期刊文献，关键搜索词包括AI、机器人、机器学、酒店管理、旅游，以及几项关键词组合。本文还通过文献综述审阅了多个数据源。

研究结果描述了目前酒店旅游行业机器学和AI有关领域的研究状态。此外本文还研究和提出对于内部和外部客户服务、法律伦理问题、以及理论等领域做出研究启示。

本文对目前有关机器学和AI酒店旅游学术研究进行系统梳理。为学者对其相关领域的现状提供全局视角，并且显示这个新兴话题的迅速发展。

文献综述、AI、机器学、酒店科技

Adolescence is a period of new experiences, including dating. Romantic relationships can be a source of stress; one-third of teens experience dating violence (Molidor & Tolman, 1998; Straus, 2004). Teens are also at a heightened risk for suicide; it is the third leading cause of death among teens (Center for Disease Control [CDC], 2013a). Suicidal ideation, threats, and attempts occur within the context of a relationship where there is also dating violence (Chan, Straus, Brownridge, Tiwari, & Leung, 2008; Else, Goebert, Bell, Carlton, & Fukuda, 2009). Due to life course, adolescence may not have knowledge, experience, or skills to manage these situations. Furthermore, these experiences may shape romantic relationship expectations as adults. Both dating violence and suicidality have short- and long-term effects (for example, see Castellví et al., 2017; Coker et al., 2000; Exner-Cortens, Eckenrode, & Rothman, 2013; Holmes & Sher, 2013; Jouriles, Garrido, Rosenfield, & McDonald, 2009; Magdol et al., 1997; Zaha, Helm, Baker, & Hayes, 2013). However, little is known about how young women that experience teen dating violence and partner suicidality respond (except, see Baker, Helm, Bifulco, & Chung-Do, 2015). This study seeks to explore this gap.

As part of a larger study, 16 young women who had experienced a “bad dating relationship” as a teenager also disclosed that their boyfriends had threatened suicide. These young women completed in-depth, retrospective interviews to discuss their experiences. Interviews were transcribed and analyzed using HyperResearch. Life course and grounded theory guided this research.

The young women that experienced suicidal threats by their dating partners were also victims of a range of abusive behaviors in their dating relationships, including verbal, physical, and sexual abuses and controlling behaviors. The young women struggled with how to deal with the suicidal ideation and the abuse concurrently. Some of the young women believed that the threats of suicide were real, and had concerns for their boyfriends’ well-being. Others believed that their boyfriend was using this as a manipulative tactic to get them the stay in the unhealthy relationship. This impacted how young women dealt with and reacted to the abuse, including if they chose to stay in the relationship or not.

This study provides narratives from young women in relationships where there is dating violence and threats of suicide, which adds to our understanding of the dynamics of how life course impacts both dating violence and suicide. The sample is small and not generalizable. Future research should include both partners to provide a more holistic picture of the relationship. Additional research should also examine any differences of experiences based on gender, race and ethnicity, social class, and sexual orientation.

This has serious implications for prevention education and intervention. Policy-makers may want to consider: (1) mandating additional training for teachers and other adults that work with teens, in order to identify warning signs of both dating violence and suicidal ideation, (2) require education for teens on these topics, and (3) ensure evidenced-based interventions are accessible to teens dealing with these issues.

This paper provides a deeper understanding of teen experiences with suicidal threats and how they respond to them within the context of an abusive dating relationship. Policy-makers, advocates, school personnel, and youth may benefit from these findings, particularly in regard to developing appropriate prevention education and interventions.

The object of this research is the reconstruction of the existing legal response by European Union states to the phenomenon of immigration. It seeks to analyse the process of conferral of protection.

One main dimension is selected and discussed: the case law of the national courts. The study focuses on the legal status of immigrants resulting from the intervention of these national courts.

The research shows that although the courts have conferred an increasing protection on immigrants, this has not challenged the fundamental principle of the sovereignty of the states to decide, according to their discretionary prerogatives, which immigrants are allowed to enter and stay in their territories. Notwithstanding the differences in the general constitutional and legal structures, the research also shows that the courts of the three countries considered – France, Germany and Spain – have progressively moved towards converging solutions in protecting immigrants.

The research contributes to a better understanding of the different legal orders analysed.

The impetus was to assess pluses and minuses of a national mandate with specific paratransit guidelines per “the” 1990 Americans with Disabilities Act (ADA) model. Two European countries were chosen to explore other ways to serve persons with disabilities, not driven by ADA.

This research compared mandates in each area (via a tri-lingual survey) both as related to ADA’s most common practices and the European model of “Persons with Reduced Mobility” (PMRs). After data collection, analysis compared and contrasted ADA and PMR schemes.

Even in California, differences were found among survey sites; for instance, the organization type and mix of services varied greatly, despite a national framework. In Europe, there were more similar approaches among regions where, without a national framework, there was flexible, regional decision-making. In Europe, the national focus is on more regular transit accessibility, maximizing transit use rather than special services.

Five recommendations resulted and apply most directly to California and equally for agencies with or without ADA. The strengths of the PMR approach are transferable to California and the trend among a few California partners to go beyond ADA, while only a local option, reinforces the strength of the PMR solution.

How to improve service and financial performance and enlarge the private sector role are put forward. Existing methods, whether Federal or California-driven, need revisiting to achieve true benefits of coordination.

This paper aims to put Germany on par with other countries in terms of academic research on the topic of wine tourism from a producers’ perspective.

For this study, 199 in-depth interviews and 703 online questionnaires with winery operators in Germany were collected and analyzed according to a mixed-methods framework.

The results indicate that wine tourism is highly relevant not only for wineries but also for the families behind the predominantly small companies. The respondents reported increased demand for wine tourism activities, particularly those that are close to large cities. The findings show that the main challenges in the German wine tourism sector are to achieve a coordinated collaboration among stakeholders and to stop the ongoing concentration process in the restaurant industry.

Appropriate strategic decisions backed by governmental support may help to enhance Germany’s developing wine tourism industry, thereby preserving cultural heritage and strengthening some of the country’s structurally disadvantaged rural areas.

To the best of the authors’ knowledge, this work is the first mixed-methods framework study in the research field of wine tourism that includes producers from all wine regions in one country.

The continuing development of digital technologies creates expanding opportunities for information transparency. Consumers use social media to provide online reviews that are focused on changing levels of consumer trust. This study examines the effect of perceived risk that prompts consumers to search for online reviews in the context of food safety.

Commitment-trust theory forms the theoretical lens to model changes in consumer trust resulting from online reviews. Consumer-based questionnaire surveys collected data to test the structural model, using structural equation modelling (SEM).

The findings show when consumers perceive high levels of risk, they use social media to obtain additional product-related information. The objective, unanimous, evidential and noticeable online reviews are perceived as informative to consumers. Perceived informativeness of positive online reviews is found to increase consumers trust and, in turn, increase their purchase intentions.

The findings contribute to the knowledge of online review-based trust literature and provide far-reaching implications for information system (IS)-practitioners in business.

The purpose of this paper is to use a new segmentation approach based on objective variables to calculate direct tourism-related sales volume and revenue by selling wine at a winery in the Rheingau region of Germany.

In the framework of a 2015 face-to-face survey in the Rheingau, 1,555 tourists were interviewed. For segmentation, two-step clustering was applied to classify survey participants into homogeneous groups. To calculate tourism-related wine sales volume and revenue, a special model based on official statistics and the survey’s results was used.

Four wine-tourist segments were identified by using cluster analysis with objective variables, such as nationality, visiting frequency and volume of wine purchased in the region: wine and Rheingau lovers who have a high interest in wine, wine-oriented tourists who do not come to the region very often, first-time tourists who came to the region mainly because of the nature and history and international tourists. With the help of calculations on tourism-related wine sales volume and revenue, it can be stated that approximately 18 per cent of total wine production will be purchased directly in the region by tourists, valued at €36m.

This paper contributes to existing wine-tourism research because a multi-dimensional segmentation model was applied using objective variables, such as nationality, visiting frequency and volume of wine purchased in the region. Using the calculation of tourism-related sales volume and revenue, winemakers in the Rheingau can gain a clear picture of tourism’s importance.