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  • 2018

  • Wolf, K. H.; Tomforde, S.; Dehling, T.; Haux, R.; Huseljic, D.; Kottke, D.; Scheerbaum, J.; Sick, B.; Sunyaev, A. (2018) : Towards Proactive Health-enabling Living Environments: Simulation-based Study and Research Challenges In: ARCS: ARCS Workshop 2018; 31th International Conference on Architecture of Computing Systems: Berlin, Germany: Axel Springer SE, S. 1-8. Online verfügbar unter https://ieeexplore.ieee.org/document/8385433/

     

    Abstract: Nowadays, information and communication technology (ICT) has become a key driver for future health-enabling and ambient assisted living technologies. These future health-enabling living environments proactively anticipate the inhabitants' needs and adapt their behaviour accordingly. They further continuously monitor the behaviour of the inhabitants and may call in support in suspicious cases. In this article, we present an architectural blueprint for such a proactive living environment and highlight the corresponding challenges for research in the field. Afterwards, we present a simulation as experimental platform for learning the daily routine of inhabitants of a flat-sharing community of senior citizens. The experimental evaluation highlights that probably unusual behaviour of persons can be detected using a probabilistic approach, which may serve as an indicator for external support.

  • 2017

  • Alam, Mehwish (2017): Event-based knowledge reconciliation using frame embeddings and frame similarity. In: KNOWLEDGE-BASED SYSTEMS 13, S. 192-203

    Abstract: This paper proposes an evolution over MERGILO, a tool for reconciling knowledge graphs extracted from text, using graph alignment and word similarity. The reconciled knowledge graphs are typically used for multi-document summarization, or to detect knowledge evolution across document series. The main point of improvement focuses on event reconciliation i.e., reconciling knowledge graphs generated by text about two similar events described differently. In order to gather a complete semantic representation of events, we use FRED semantic web machine reader, jointly with Framester, a linguistic linked data hub represented using a novel formal semantics for frames. Framester is used to enhance the extracted event knowledge with semantic frames. We extend MERGILO with similarities based on the graph structure of semantic frames and the subsumption hierarchy of semantic roles as defined in Framester. With an effective evaluation strategy similarly as used for MERGILO, we show the improvement of the new approach (MERGILO plus semantic frame/role similarities) over the baseline.

  • Alam, Mehwish (2017): Event-based knowledge reconciliation using frame embeddings and frame similarity. In: KNOWLEDGE-BASED SYSTEMS 13, S. 192-203

    Abstract: This paper proposes an evolution over MERGILO, a tool for reconciling knowledge graphs extracted from text, using graph alignment and word similarity. The reconciled knowledge graphs are typically used for multi-document summarization, or to detect knowledge evolution across document series. The main point of improvement focuses on event reconciliation i.e., reconciling knowledge graphs generated by text about two similar events described differently. In order to gather a complete semantic representation of events, we use FRED semantic web machine reader, jointly with Framester, a linguistic linked data hub represented using a novel formal semantics for frames. Framester is used to enhance the extracted event knowledge with semantic frames. We extend MERGILO with similarities based on the graph structure of semantic frames and the subsumption hierarchy of semantic roles as defined in Framester. With an effective evaluation strategy similarly as used for MERGILO, we show the improvement of the new approach (MERGILO plus semantic frame/role similarities) over the baseline.

  • Aslan, Erhan (2017): The impact of face systems on the pragmalinguistic features of academic e-mail requests. In: Pragmatics and Society 8 (1), S. 61-84. DOI: 10.1075/ps.8.1.04asl

    Abstract: This study investigates the impact of power/distance (PD) variables operationalized as face systems on the pragmalinguistic features of academic e-mail requests. A corpus of 90 academic e-mails was classified into four face system groups: hierarchical (sender +P), hierarchical (recipient +P), deference, and solidarity. Request perspectives, strategies, and mitigating supportive moves were analyzed. The analysis revealed that the speaker and hearer dominance were the most frequent request perspectives in the hierarchical (recipient+P) and deference groups. The impersonal perspective was more common in the hierarchical (sender+P) group. The preparatory was the dominant request strategy in all groups, relatively more frequent in the hierarchical (recipient+P) and deference groups. The most common supportive move was the grounder, which occurred more frequently than other supportive moves. The findings of the study indicate that face systems influence the request patterns in academic e-mail communication. The study has implications for future research on pragmatics of computer-mediated communication (CMC).

  • Briggs, Gordon; Scheutz, Matthias (2017) : Strategies and mechanisms to enable dialogue agents to respond appropriately to indirect speech acts In: IEEE Ro-Man: Human-robot collaboration and human assistance for an improved quality of life: IEEE RO-MAN 2017 : 26th IEEE International Symposium on Robot and Human Ineractive Communication : August 28-September 1, 2017, Lisbon, Portugal: Piscataway, NJ: IEEE, S. 323-328

    Abstract: Humans often use indirect speech acts (ISAs) when issuing directives. Much of the work in handling ISAs in computational dialogue architectures has focused on correctly identifying and handling the underlying non-literal meaning. There has been less attention devoted to how linguistic responses to ISAs might differ from those given to literal directives and how to enable different response forms in these computational dialogue systems. In this paper, we present ongoing work toward developing dialogue mechanisms within a cognitive, robotic architecture that enables a richer set of response strategies to non-literal directives.

  • Crispim-Junior, Carlos Fernando (2017): Online Recognition of Daily Activities by Color-Depth Sensing and Knowledge Models. In: SENSORS 17 (7)

    Abstract: Visual activity recognition plays a fundamental role in several research fields as a way to extract semantic meaning of images and videos. Prior work has mostly focused on classification tasks, where a label is given for a video clip. However, real life scenarios require a method to browse a continuous video flow, automatically identify relevant temporal segments and classify them accordingly to target activities. This paper proposes a knowledge-driven event recognition framework to address this problem. The novelty of the method lies in the combination of a constraint-based ontology language for event modeling with robust algorithms to detect, track and re-identify people using color-depth sensing (Kinect® sensor). This combination enables to model and recognize longer and more complex events and to incorporate domain knowledge and 3D information into the same models. Moreover, the ontology-driven approach enables human understanding of system decisions and facilitates knowledge transfer across different scenes. The proposed framework is evaluated with real-world recordings of seniors carrying out unscripted, daily activities at hospital observation rooms and nursing homes. Results demonstrated that the proposed framework outperforms state-of-the-art methods in a variety of activities and datasets, and it is robust to variable and low-frame rate recordings. Further work will investigate how to extend the proposed framework with uncertainty management techniques to handle strong occlusion and ambiguous semantics, and how to exploit it to further support medicine on the timely diagnosis of cognitive disorders, such as Alzheimer’s disease.

  • Rudnicki, Seweryn (2017): The Body, Technology and Translation. Mapping the Complexity of Online Embodiment. In: Sociological Research Online 22 (2), S. 1-13. DOI: 10.5153/sro.4322

    Abstract: This theoretical article considers the potential for a revival of sociological interest in online embodiment by developing a conceptual alternative to the predominant framework of self-presentation, and showing how social theory may benefit from exploration of this field. It starts by critically reviewing the discussion on online embodiment, pointing out its theoretical shortcomings, and arguing that they result from the difficulty that social theory has with accounting for the increased ontological complexity of embodiment induced by the pervasiveness of digital technologies. Treating a theory of practice as an inspiring perspective, it then adapts the notion of translation as a general term capable of grasping the complex relationships between physical bodies, digital technologies, reflexive selves and the social aspects of online embodiment. An important advantage of this concept is that it makes it possible to see the role of technology as constitutive without losing the sociological perspective, and encompasses a wide range of contemporary body-technology interactions. Furthermore, it also has the potential to foster a sociological understanding of the relationships between bodily, technological, mindful and social elements, and to do so without slipping into reductionism.

  • Sun, Xin; Zhao, Xishun; Robaldo, Livio (2017): Ali Baba and the Thief, Convention Emergence in Games. In: Journal of Artificial Societies and Social Simulation 20 (3), S. 1-6. DOI: 10.18564/jasss.3421

    Abstract: In this paper we propose a model that supports the emergence of conventions via multi-agent learning in social networks. In our model, individual agents repeatedly interact with their neighbours in a game called Ali Baba and the Thief. An agent learns its strategy to play the game using the learning rule imitate-the-best. We show that some conventions prescribing peaceful behaviours can emerge after repeated interactions among agents inhabited in some social networks. Our experiments suggest that there are critical points of convention emergence in Ali Baba and the Thief. When the quotient of the amount of robbery and the initial utility is smaller than the critical point, the probability of convention emergence is high. The probability drops dramatically as long as the quotient is larger than the critical point.

  • 2016

  • Choi, Kyungsub Stephen; Im, Il; Hofstede, Gert Jan (2016): A cross-cultural comparative analysis of small group collaboration using mobile twitter. In: Computers in Human Behavior 65, S. 308-318. DOI: 10.1016/j.chb.2016.08.043

    Abstract: This study was undertaken to determine the distinctive user behaviors and patterns of participants communicating using Twitter on a mobile device in a small-group collaborative setting. Participants were from Western and Eastern cultures (the United States and Korea). Tweets were coded and classified and the results analyzed. Several cultural dimensions were utilized to detect subtle differences between participants from these two different cultures in their dynamic mobile exchanges. Systematic differences in microblogging behaviors were found mostly in the direction predicted by the findings of previous studies on differences in national culture; however, we also report new and interesting findings that contribute to the knowledge base. We discuss the theoretical and practical implications of our findings and how this mobile communication information technology can be leveraged to the advantage of individuals and organizations.

  • Hofkirchner, Wolfgang (2016): A Critical Social Systems View of the Internet. In: Philosophy of the Social Sciences 37 (4), S. 471-500. DOI: 10.1177/0048393107307664

    Abstract: The article discusses principles that form part of evolutionary systems thinking in social sciences and humanities. It is argued that introducing the concept of self-organization relates agency and structures in a way that makes it possible to take up certain features of Critical Theory by which it can meet the demands for a critical social science. These principles are applied to the question of whether there is convergence or divergence in and by means of the Internet. It will be clarified that the Internet is basically a social system and that it is a subsystem of the larger and overarching system of the whole society. It will be shown how the Internet can be perceived as a possible trigger for societal developments bringing about fundamental change in the nature of society. Thus the article cuts across philosophical, system theoretical, social theoretical, sociology of technology, and information society theory considerations.

  • Lee, Raymond L. M. (2016): Diagnosing the Selfie. Pathology or Parody?: Networking the Spectacle in Late Capitalism. In: THIRD TEXT 30 (3-4), S. 264-273

    Abstract: Social networking sites are now reportedly flooded with millions of selfies, the purportedly narcissistic tendency to reproduce with webcams and smartphones self-images intended for widespread online dissemination. Like the chain-letter craze of yesteryears, selfies have become fast reduplicating memes targeted at no single destination and orbited in digital space as self-identities transformed into virtual signs. Psychological interpretations cast them as pathological manifestations of low self-esteem and attention-seeking behaviour, perhaps even a form of psychosis. However, defenders attempt to demonstrate selfie circulation as a reality sui generis with its own codes of communication and decorum that may even suggest the formation of new digital communities. However, this defence neglects the question of selfies as spectacles in network culture coinciding with the growth of surveillance practices. Intensification of spectacles aided by the spread of new media technologies may be seen as favouring an interpretation of selfies as reflecting the power of network memes rather than a pathological manifestation of narcissism.

  • Papacharissi, Zizi (2016): Democracy online. Civility, politeness, and the democratic potential of online political discussion groups. In: New Media & Society 6 (2), S. 259-283. DOI: 10.1177/1461444804041444

    Abstract: The proponents of cyberspace promise that online discourse will increase political participation and pave the road for a democratic utopia. This article explores the potential for civil discourse in cyberspace by examining the level of civility in 287 discussion threads in political newsgroups. While scholars often use civility and politeness interchangeably, this study argues that this conflation ignores the democratic merit of robust and heated discussion. Therefore, civility was defined in a broader sense, by identifying as civil behaviors that enhance democratic conversation. In support of this distinction, the study results revealed that most messages posted on political newsgroups were civil, and further suggested that because the absence of face-to-face communication fostered more heated discussion, cyberspace might actually promote Lyotard's vision of democratic emancipation through disagreement and anarchy (Lyotard, 1984). Thus, this study supported the internet's potential to revive the public sphere, provided that greater diversity and volume of discussion is present.

  • Postmes, Tom O.M.; Spears, Russell; Lea, Martin (2016): Breaching or Building Social Boundaries?. In: Communication Research 25 (6), S. 689-715. DOI: 10.1177/009365098025006006

    Abstract: Computer-mediated communication (CMC) is sometimes heralded for its power to break down social boundaries and to liberate individuals from social influence, group pressure, and status and power differentials that characterize much face-to-face interaction. We review research conducted within the framework of the social identity model of deindividuation effects (SIDE) demonstrating that this is not always the case. When communicators share a common social identity, they appear to be more susceptible to group influence, social attraction stereotyping, gender typing, and discrimination in anonymous CMC. Although CMC gives us the opportunity to traverse social boundaries, paradoxically, it can also afford these boundaries greater power, especially when they define self- and group identity.

  • 2015

  • Coeckelbergh, Mark (2015): Money as Medium and Tool in advance. In: Techné: Research in Philosophy and Technology, S. 358-380. DOI: 10.5840/techne2015121039

    Abstract: This article explores the relevance of Georg Simmel’s phenomenology of money and interpretation of modernity for understanding and evaluating contemporary financial information and communication technologies (ICTs). It reads Simmel as a philosopher of technology and phenomenologist whose view of money as a medium, a “pure” tool, and a social institution can help us to think about contemporary financial media and technologies. The analysis focuses on the social-spatial implications of financial ICTs. It also makes links to media theory, in particular remediation theory and Marshall McLuhan, and refers to work in anthropology and geography of money to nuance the story of the progressive dematerialization and delocalization of modern life. The conclusion highlights Simmel’s continuing relevance for thinking about the relation between technologies and social change, and explores alternative social-financial media and institutions.

  • Criado, Natalia; Such, Jose M. (2015): Implicit Contextual Integrity in Online Social Networks. In: Information Sciences 325, S. 48-69. DOI: 10.1016/j.ins.2015.07.013

    Abstract: Many real incidents demonstrate that users of Online Social Networks need mechanisms that help them manage their interactions by increasing the awareness of the different contexts that coexist in Online Social Networks and preventing them from exchanging inappropriate information in those contexts or disseminating sensitive information from some contexts to others. Contextual integrity is a privacy theory that conceptualises the appropriateness of information sharing based on the contexts in which this information is to be shared. Computational models of Contextual Integrity assume the existence of well-defined contexts, in which individuals enact pre-defined roles and information sharing is governed by an explicit set of norms. However, contexts in Online Social Networks are known to be implicit, unknown a priori and ever changing; users relationships are constantly evolving; and the information sharing norms are implicit. This makes current Contextual Integrity models not suitable for Online Social Networks. In this paper, we propose the first computational model of Implicit Contextual Integrity, presenting an information model for Implicit Contextual Integrity as well as a so-called Information Assistant Agent that uses the information model to learn implicit contexts, relationships and the information sharing norms in order to help users avoid inappropriate information exchanges and undesired information disseminations. Through an experimental evaluation, we validate the properties of the model proposed. In particular, Information Assistant Agents are shown to: (i) infer the information sharing norms even if a small proportion of the users follow the norms and in presence of malicious users; (ii) help reduce the exchange of inappropriate information and the dissemination of sensitive information with only a partial view of the system and the information received and sent by their users; and (iii) minimise the burden to the users in terms of raising unnecessary alerts. (C) 2015 Elsevier Inc. All rights reserved.

  • Mitchell, Liam (2015): Karmic Cascades. In: Techné: Research in Philosophy and Technology 19 (1), S. 69-91. DOI: 10.5840/techne20154228

    DOI: https://doi.org/10.5840/techne20154228 

    Abstract: The content ranking system of reddit.com, the English language Internet’s most popular social news website, plays a large but often unnoticed role in shaping what users see and how they think. By pairing informational cascade theory with textual analysis, I argue that the “karma” system elevates particular forms of content over others and generates numerical cues that unconsciously guide users’ judgments about said content and about the world. By drawing on Heidegger’s account of modern technology, I argue that the karma system both symptomatizes and engenders an ontological perspective according to which things in general are taken as available, evaluable, and disposable.

  • Zago, Gabriela da Silva (2015): Digital design and social interfaces. A study of the Twitter interface. In: REVISTA MEDIACAO 17 (21)

    Abstract: The objective of this study was to identify and characterize a specific type of digital interface, i.e., social interfaces. To this end, we started from a theoretical framework that seeks to place social interfaces as a digital interface subtype, characterized by its proximity to concepts like computer-mediated interaction, Internet-based social networking sites, and social networking sites. After defining and identifying the types and elements of social interfaces, a qualitative exploratory study of transformations over the Twitter social networking site over time was carried out. The results show changes over time in the tool's interface, seeking to meet the different needs of the user's social interaction when using Twitter.

  • 2014

  • Forgays, Deborah Kirby; Hyman, Ira; Schreiber, Jessie (2014): Texting everywhere for everything. Gender and age differences in cell phone etiquette and use. In: Computers in Human Behavior 31, S. 314-321. DOI: 10.1016/j.chb.2013.10.053

    Abstract: The majority of research on cell phone use has focused on adolescent and young adult users with less attention on cell phone use by those older than 25 years of age. In this study, adult participants from 18 to 68 years completed a survey about their own use of cell phones and the contexts in which they considered cell phone use appropriate. There were age and gender differences in beliefs about the etiquette as to when cell phone use was appropriate. Older participants and women advocated for more restricted cell phone use in most social situations. Men differed from women in that they viewed cell phone calls as more appropriate in virtually all environments including intimate settings. Across all age groups in all communication settings, cell phones were used to text. The only exception was that romantic partners were more likely to receive a call than a text. In the younger age groups, texting communication is so normative that over 25% had dumped or were dumped by a romantic partner. The preponderance of gender similarities point to cell phone usage as a stable communication vehicle for maintaining social contact. (C) 2013 Elsevier Ltd. All rights reserved.

  • Iucu, Oana (2014): ’e-Protocol’ AND IC. In: TRANSYLVANIAN REVIEW OF ADMINISTRATIVE SCIENCES, S. 21-33

    Abstract: The current research aims at providing the academic world with a new integrated and cross-disciplinary approach to Protocol and IT&ICT consequences for administrative staff training. The need to upgrade and update the training programs for public administrations staff according to IC&T requirements matches the prospective expert / professionals framework of competences. A key observation is that the litera-ture in the feld of staff training for social and institutional protocol within notorious training centers focuses more on the status-quo of the desirable competences and less on technology. By means of a rather refexive set of tools, we have tried to offer some support so as to digitize the social and institutional protocol, thus promoting some software packages designed by experts in both fields. Moreover, this software is likely to sustain both training and professional development pro-grams as well as effcient specialized procedures for promotion and simulation.

  • 2013

  • Borah, Porismita (2013): Does It Matter Where You Read the News Story?. Interaction of Incivility and News Frames in the Political Blogosphere. In: Communication Research 41 (6), S. 809-827. DOI: 10.1177/0093650212449353

    Abstract: The political blogosphere is replete with uncivil discussions and is apt to examine the influence of incivility on news frames. The present study brings in literature from incivility and framing effects and uses two experiments to examine the influence of incivility on news frames for democratic outcomes such as willingness to participate, online participation, openmindedness, and attitude certainty. Primary findings indicate the detrimental effects of incivility causing less openmindedness and more attitude certainty. At the same time, incivility causes more willingness to participate and online participation. More importantly, the findings demonstrate how incivility interacts with news frames. Implications for news framing effects in the social media landscape are discussed.

  • Bullingham, Liam; Vasconcelos, Ana C. (2013): ‘The presentation of self in the online world’. Goffman and the study of online identities. In: Journal of Information Science 39 (1), S. 101-112. DOI: 10.1177/0165551512470051

    Abstract: This paper presents an exemplification and discussion of the contemporaneity of Erving Goffman's work and of its applicability to the analysis of identity and presentation of self in the blogging and Second Life (SL) contexts. An analysis of online identity and interaction practices in 10 different cases of bloggers and SL inhabitants and of their online spaces is presented in terms of: expressions given; embellishment as a minor form of persona adoption; dividing the self; conforming and 'fitting in'; and masking, anonymity and pseudonimity. The key finding of the research is that, contrary to engaging with the process of whole persona adoption, participants were keen to re-create their offline self online, but engaged in editing facets of self. This emphasizes the key premise in Goffman's work that, when in 'front stage', people deliberately chose to project a given identity. It is concluded that Goffman's original framework is of great usefulness as an explanatory framework for understanding identity through interaction and the presentation of self in the online world. Equally, the online environment, with its enhanced potential for editing the self, can offer opportunities to contribute to the further development of the Goffman framework.

  • Goggins, Sean P.; Valetto, Giuseppe; Mascaro, Christopher; Blincoe, Kelly (2013): Creating a model of the dynamics of socio-technical groups. In: User Modeling and User-Adapted Interaction 23 (4), S. 345-379. DOI: 10.1007/s11257-012-9122-3

    Abstract: Individuals participating in technologically mediated forms of organization often have difficulty recognizing when groups emerge, and how the groups they take part in evolve. This paper contributes an analytical framework that improves awareness of these virtual group dynamics through analysis of electronic trace data from tasks and interactions carried out by individuals in systems not explicitly designed for context adaptivity, user modeling or user personalization. We discuss two distinct cases to which we have applied our analytical framework. These two cases provide a useful contrast of two prevalent ways for analyzing social relations starting from electronic trace data: either artifact-mediated or direct person-to-person interactions. Our case study integrates electronic trace data analysis with analysis of other, triangulating data specific to each application. We show how our techniques fit in a general model of group informatics, which can serve to construct group context, and be leveraged by future tool development aimed at augmenting context adaptivity with group context and a social dimension. We describe our methods, data management strategies and technical architecture to support the analysis of individual user task context, increased awareness of group membership, and an integrated view of social, information and coordination contexts.

  • Sánchez-Franco, Manuel J.; Roldán, José L. (2013): The influence of familiarity, trust and norms of reciprocity on an experienced sense of community. An empirical analysis based on social online services. In: Behaviour & Information Technology 34 (4), S. 392-412. DOI: 10.1080/0144929X.2014.959455

    Abstract: The growing use of social online services raises the question of what encourages members to participate actively and maintain accumulated social capital. Our research has particularly become aware of the relevance of familiarity, trust and reciprocity in understanding the members' sense of a virtual community (VC). Familiarity and trust are efficient criteria to assess and determine the extent to which one should engage in a virtual relationship. Furthermore, the effort of sharing experiences and knowledge must be based on the expectation of receiving certain returns. A structural equation modelling, specifically partial least squares, is proposed to assess the relationships between the constructs. Overall, the empirical results provided strong support for the hypotheses. Familiarity and trust lead the member to develop a growing perceived community support (PCS) and significantly influence the sense of a VC. Norms of reciprocity directly influence affective trust and PCS. Higher familiarity does not moderate the impact of affective trust on PCS, however. The results of this study could thus help social online service providers to create a successful business model and to determine the main drivers of the members' sense of a VC.

  • Talbert, Bonnie (2013): Screened Conversations. In: Techné: Research in Philosophy and Technology 17 (3), S. 333-349. DOI: 10.5840/techne20141308

    Abstract: Social scientists have documented some recent, dramatic changes in the nature of our social lives. Many scholars have thought that our reliance on technology to communicate with others is in large part responsible for that loss. However, there is also data to support the opposite conclusion—it might be the case that social networking technologies have helped, rather than hindered our social interactions. What I would like to propose is a philosophical argument, which I hope will offer a different sort of answer to the questions about whether we know people in the same ways, or perhaps more or less well, than we once did, in the days before Facebook, email, and such. Whether or not technology has enhanced our social lives, it is worth considering whether coming to know another person is a different sort of exercise than it used to be, when face-to-face interactions with others were the preferred way to find out what was going on in someone else’s life. What is different in sharing my thoughts, beliefs, feelings, desires, and such with another over the Internet versus in person? Is there any kind of knowledge that is available only in a face-to-face context? If so, what is the nature of that knowledge? In philosophical terms, what I want to examine is how our knowledge of others’ minds changes with various technologies that we use to communicate the contents of our mental states.

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