Homophilic network decomposition: a community-centric analysis of online social services

In this paper we formulate the homophilic network decomposition problem: Is it possible to identify a network partition whose structure is able to characterize the degree of homophily of its nodes? The aim of our work is to understand the relations between the homophily of individuals and the topological features expressed by specific network substructures. We apply several community detection algorithms on three large-scale online social networks—Skype, LastFM and Google+—and advocate the need of identifying the right algorithm for each specific network in order to extract a homophilic network decomposition. Our results show clear relations between the topological features of communities and the degree of homophily of their nodes in three online social scenarios: product engagement in the Skype network, number of listened songs on LastFM and homogeneous level of education among users of Google+

Rethinking Lurking: Invisible Leading and Following in a Knowledge Transfer Ecosystem

The term lurker connotes a low-value role in online communities. Despite making up the majority of members, these invisible individuals are often cast as peripheral players who should be encouraged to participate more fully. We argue that the lurker concept is problematic and that online communities, and the roles associated with them, need to be reconceptualized. We report on a study of online communities in a New Zealand professional development program. We found that two knowledge broker types played key roles in transferring knowledge: connector-leaders, who had a strong online presence, and follower-feeders, who communicated largely invisibly, via side-channels. Despite their different online profiles, both brokers used “lurking” purposively to perform two sets of invisible online activities: managing the knowledge agenda, and mentoring/being mentored. These activities supported their roles as leaders and followers, and sustained a symbiotic relationship. Decisions to “lurk” arose from the need for these brokers to negotiate diverse boundaries: the boundaries of micro-culture associated with communication contexts, the theory-practice boundary, role boundaries, and the online-offline boundary. Combining the concept of polycontextuality with boundary spanning theory, we propose an alternative way of understanding both lurking and online communities: the three-tier knowledge transfer ecosystem (KTE), a system of engagement spaces comprising diverse online and offline contexts in which individuals make continual decisions to cross between less- or more-visible settings. The study illustrates how key phenomena may remain invisible without a shift in level of analysis, and how using an anachronistic concept to frame a study can unintentionally constrain its value

Mining Mobile Youth Cultures

In this short paper we discuss our work on coresearch devices with a young coder community, which help investigate big social data collected by mobile phones. The development was accompanied by focus groups and interviews on privacy attitudes, and aims to explore how youth cultures are tracked in mobile phone data

Sense-making of consumer wellbeing in information technology-enabled services from a relational ontology position

Information technology (IT) built into products and services have become the key drivers for service innovation. How information technology-enabled services (ITESs) affect consumer wellbeing has increasingly become a concern to service scholars. In response to this, transformative service research (TSR) has emerged as a new stream in service research. This paper investigates consumer wellbeing derived from the consumption of ITESs in consumers’ daily lives. A mixed-method approach was employed in our study, including self-reflective reports, in-depth interviews and visual artistic methods. We demonstrated that a relational ontology, drawing on the ‘focal things’ concept (Borgmann, 1984) and sociomateriality (Orlikowski, 2009), could be used as a lens for us to understand consumer wellbeing in ITESs. We used four vignettes to demonstrate how relational ontology can enhance our understanding of consumer wellbeing in ITESs. Theoretically, this paper contributes to TSR by proposing and demonstrating the need to shift or at least extend the extant predominant technology ontology in marketing literature to make sense of consumer experiences and wellbeing in ITESs. In practice, this research encourages ITESs designers to emphasise the relational entanglement of technology with consumer routine practices in their service innovations for the purposes of consumer wellbeing

Interpreting infrastructure: Defining user value for digital financial intermediaries.

The 3DaRoC project is exploring digital connectivity and peer-to-peer relationships in financial services. In the light of the near collapse of the UK and world financial sector, understanding and innovating new and more sustainable approaches to financial services is now a critical topic. At the same time, the increasing penetration and take-up of robust high-speed networks, dependable peerto- peer architectures and mobile multimedia technologies offer novel platforms for offering financial services over the Internet. These new forms of digital connectivity give rise to opportunities in doing financial transactions in different ways and with radically different business models that offer the possibility of transforming the marketplace. One area in the digital economy that has had such an effect is in the ways that users access and use digital banking and payment services. The impact of the new economic models presented by these digital financial services is yet to be fully determined, but they have huge potential as disruptive innovations, with a potentially transformative effect on the way that services are offered to users. Little is understood about how technical infrastructures impact on the ways that people make sense of the financial services that they use, or on how these might be designed more effectively. 3DaRoC is exploring this space working with our partners and end users to prototype and evaluate new online, mobile, ubiquitous and tangible technologies, exploring how these services might be extended.Executive Summary: Drawing from Studies of Use - the value, use and interpretation of infrastructure in digital intermediaries to their users. The UK economy has a huge dependence on financial services, and this is increasingly based on digital platforms. Innovating new economic models around consumer financial services through the use of digital technologies is seen as increasingly important in developed economies. There are a number of drivers for this, ranging from national economic factors to the prosaic nature of enabling cheap, speedy and timely interactions for users. The potential for these new digital solutions is that they will allay an over-reliance on the traditional banking sector, which has proved itself to be unstable and risky, and we have seen a number of national policy moves to encourage growth in this sector. Partly as a result of the 2008 banking crisis, there has been an explosion in peer-to-peer financial services for non-professional consumers. These organisations act as intermediaries between users looking to trade goods or credit. However, building self-sustaining or profitable financial services within this novel space is itself fraught with commercial, regulatory, technical and social problems. This document reports on the value, use and interpretation of infrastructure in digital intermediaries to their users, describing analysis of contextual field studies carried out in two retail digital financial intermediary organisations: Zopa Limited and the Bristol Pound. It forms the second milestone document in the 3DaRoC project, developing patterns of use that have arisen on the back of the technical infrastructures in the two organisations that form cases for examination. Its purpose is to examine how the two different technical infrastructures that underpin the transactions that they support–composed of the back-office hardware and software, data structures, the networking and communications technologies used, supported consumer devices, and the user interfaces and interaction design–have provided opportunities for users to realise their financial and other needs. While we orient towards the issues of service use (and its problems), we also examine the activities and expectations of their various users. Our research has involved teams from Lancaster University examining Zopa and Brunel University focusing on the Bristol Pound over approximately a one-year period from October 2013 to October 2014. Extensive interviews, document analysis, observation of user interactions, and other methods have been employed to develop the process analyses of the firms presented here. This report comprises of three key sections: descriptions of the user demographics for Zopa and the Bristol Pound, a discussion about the user experience and its role in community, and an examination of the role of usage data in the development of these a products. We conclude with final analytical section drawing preliminary conclusions from the research presented.The 3DaRoC project is funded by the RCUK Digital Economy ‘Research in the Wild’ theme (grant no. EP/K012304/1)

Uncovering Customer Orientation in Product Development - A Qualitative Study based on the Software Industry

PURPOSE: The purpose of this research project is to further advance theory on management of product development by providing insights on customer orientations. The study contributes to the literature by bringing in Actor-Network Theory (ANT) as a new perspective to theorize the process of translations between customer orientation and engineering orientation within product development. RELEVANCE: Due to a mismatch in thinking between customer and development teams it is observed that it can be complicated for a product manager to help the development teams to perceive the product in terms of the customer usage. The inability of software development teams to incorporate customer perception into product development leads to unwanted delays and increased costs. METHODOLOGY: A qualitative research method was employed with an interpretive approach, using an abductive approach of reasoning. Eight face-to-face and electronic semi-structured interviews were conducted, utilizing hermeneutic analysis. FINDINGS: Our findings indicate that tensions between product development and customer orientation could be best confronted by stressing the use of technological artifacts as a medium of communication, and cross-functional management for translating customer orientation. The role of the PM as a mediator, collaborator and influencer is emphasized and crucial for negotiating a balance between a dominant engineering approach with customer orientation in product development. Knowledge visualization tools support the transfer of tacit knowledge and enable knowledge creation. CONTRIBUTIONS: Our contribution is an in depth understanding of the underlying tension that exist when incorporating customer perception in product development. We have endeavored to make sense of product management challenges in this respect

Evolution of Ego-networks in Social Media with Link Recommendations

Ego-networks are fundamental structures in social graphs, yet the process of their evolution is still widely unexplored. In an online context, a key question is how link recommender systems may skew the growth of these networks, possibly restraining diversity. To shed light on this matter, we analyze the complete temporal evolution of 170M ego-networks extracted from Flickr and Tumblr, comparing links that are created spontaneously with those that have been algorithmically recommended. We find that the evolution of ego-networks is bursty, community-driven, and characterized by subsequent phases of explosive diameter increase, slight shrinking, and stabilization. Recommendations favor popular and well-connected nodes, limiting the diameter expansion. With a matching experiment aimed at detecting causal relationships from observational data, we find that the bias introduced by the recommendations fosters global diversity in the process of neighbor selection. Last, with two link prediction experiments, we show how insights from our analysis can be used to improve the effectiveness of social recommender systems.Comment: Proceedings of the 10th ACM International Conference on Web Search and Data Mining (WSDM 2017), Cambridge, UK. 10 pages, 16 figures, 1 tabl

Parenting Across the Social Ecology Facilitated by Information and Communications Technology: Implications for Research and Educational Design

To inform parenting research and aid educators seeking to deliver programs that support effective parenting, this study explored types of information and communications technology (ICT) used to fulfill childrearing goals. Mothers’ (N = 1,804) reports of ICT activity frequency were examined from data collected from an online survey. Results suggest that mothers’ ICT use for parenting is less frequent than general use in adulthood. Mothers employ ICT to fulfill parenting goals within and across five domains of the parenting social ecology: (a) parent development, (b) parent-child relationships, (c) child development, (d), family development, and (e) culture and community. Several types of ICT activities may strengthen parenting in a single domain, and a single ICT activity may help fulfill multiple domains. Implications for research and for promoting and selecting ICT for effective parent learning and education design are discussed

Trajectories to community engagement: understanding older people’s experiences of engagement with online and local communities

The communal benefits of online communities and SNS are enjoyed by many Internet users but remain of limited appeal to many older people. In this study we consider how a small group of older people in the South of England engage with these technologies showing their motivations and the role of existing relationships in the local community with regards to this engagement. Four catalysts are identified which determine trajectories towards and away from online engagement and these are: family, roles, loss, and ‘spaces and places’. The resulting trajectories are discussed along with their implications for policy making and technology design

Older Australians and the Internet

In late 2009, Sandra Haukka secured funding from the auDA Foundation to explore what older Australians who never or rarely use the Internet (referred to as ‘non-users’) know about the types of online products and services available to them, and how they might use these products and services to improve their daily life. This project aims to support current and future strategies and initiatives by: 1) exploring the extent to which non-users are aware of the types and benefits of online products and services, (such as e-shopping, e-banking, e-health, social networking, and general browsing and research) as well as their interest in them b) identifying how the Internet can improve the daily life of older Australians c) reviewing the effectiveness of support and services designed to educate and encourage older people to engage with the Internet d) recommending strategies that aim to raise non-user awareness of current and emerging online products and services, and provide non-users with the skills and knowledge needed to use those products and services that they believe can improve their daily life. The Productive Ageing Centre at National Seniors Australia, and Professor Trevor Barr from Swinburne University provided the project with in-kind support