On shared indefinite expressions in coordinative structures

The paper shows that shared indefinite expressions in coordinative constructions may differ with respect to their referential properties. This is due to their being either in a focused or in a nonfocused shared constituent. Their different information-structural status follows from Rooth's theory on focus interpretation. Thus it follows that focused shared constitutents must be beyond the actual coordination and that coordinative constructions with unfocused shared constituents can be represented as ellipsis. In a focused shared constituent indefinite expressions may have a specific and an non specific unique reading as well as an non specific distributive one. For the latter we outline the idea that subjects and objects in the actual coordination form a pair of sets to which a distributing operator is attached. The set formation is further supported by plural pronouns referring to the respective set and by plural verb agreement in subsequent expressions

Coordinative Entities: Forms of Organizing in Data Intensive Science

Scientific collaboration is a long-standing subject of CSCW scholarship that typically focuses on the development and use of computing systems to facilitate research. The research presented in this article investigates the sociality of science by identifying and describing particular, common forms of organizing that researchers in four different scientific realms employ to conduct work in both local contexts and as part of distributed, global projects. This paper introduces five prototypical forms of organizing we categorize as coordinative entities: the Principal Group, Intermittent Exchange, Sustained Aggregation, Federation, and Facility Organization. Coordinative entities as a categorization help specify, articulate, compare, and trace overlapping and evolving arrangements scientists use to facilitate data intensive research. We use this typology to unpack complexities of data intensive scientific collaboration in four cases, showing how scientists invoke different coordinative entities across three types of research activities: data collection, processing, and analysis. Our contribution scrutinizes the sociality of scientific work to illustrate how these actors engage in relational work within and among diverse, dispersed forms of organizing across project, funding, and disciplinary boundaries

Artefact Ecologies: Supporting Embodied Meeting Practices with Distance Access

Frameworks such as activity theory, distributed cognition and structuration theory, amongst others, have shown that detailed study of contextual settings where users work (or live) can help the design of interactive systems. However, these frameworks do not adequately focus on accounting for the materiality (and embodiment) of the contextual settings. Within the IST-EU funded AMIDA project (Augmented Multiparty Interaction with Distance Access) we are looking into supporting meeting practices with distance access. Meetings are inherently embodied in everyday work life and that material artefacts associated with meeting practices play a critical role in their formation. Our eventual goal is to develop a deeper understanding of the dynamic and embodied nature of meeting practices and designing technologies to support these. In this paper we introduce the notion of "artefact ecologies" as a conceptual base for understanding embodied meeting practices with distance access. Artefact ecologies refer to a system consisting of different digital and physical artefacts, people, their work practices and values and lays emphasis on the role artefacts play in embodiment, work coordination and supporting remote awareness. In the end we layout our plans for designing technologies for supporting embodied meeting practices within the AMIDA project. \u

Joint action in a cooperative precision task: Nested processes of intrapersonal and interpersonal coordination

The authors determined the effects of changes in task demands on interpersonal and intrapersonal coordination. Participants performed a joint task in which one participant held a stick to which a circle was attached at the top (holding role), while the other held a pointer through the circle without touching its borders (pointing role). Experiment 1 investigated whether interpersonal and intrapersonal coordination varied depending on task difficulty. Results showed that interpersonal and intrapersonal coordination increased in degree and stability with increments in task difficulty. Experiment 2 explored the effects of individual constraints by increasing the balance demands of the task (one or both members of the pair stood in a less stable tandem stance). Results showed that interpersonal coordination increased in degree and stability as joint task demands increased and that coupling strength varied depending on joint and individual task constraints. In all, results suggest that interpersonal and intrapersonal coordination are affected by the nature of the task performed and the constraints it places on joint and individual performance

Two Types of Conversation: Face-to-Face and Digital

This thesis is a comparison of face-to-face and written digital conversation. I start with the intuition that face-to-face conversation can often appear more engrossing and satisfying than its digital counterpart. I argue that one of the most promising ways of understanding this difference can be seen when we consider the contrasting coordinative structures of these two types of conversation. In face-to-face conversation the task of communication is at all times spread between participants whereas in digital conversation the burden of communication is passed almost entirely from one to the other. One notable result of this is that it gives us good reason to think that communication in digital conversation is in many ways more difficult. I then argue that the difference in coordination in digital conversation has consequences for the nature of the cooperation we find in such interactions. I argue that these consequences of the different structures of face-to-face and digital conversation are what best explains the starting intuition

Alignment as the Sensorimotor Basis of the Evolution of Conversation

Abstract. Recent considerations on the nature of language recognize conversationas the central unit of analysis. Some approaches give a definition of conversationas parallel with that of cooperative action, with conversational success taking place when individuals converge to achieve a common goal. The present challenge of psycholinguistic is identifying the cognitive mechanisms underlying the process of convergence in conversation. Among these, interactional alignment, i.e. accommodation at many levels in dialogue, has received growing attention. In this paper, I will propose that, when it comes to the evolutionary issue, alignment might be considered a good candidate to account for some early strategiesused by individuals keen to communicate in the absence of a full-fledged code. Thefocus on mechanisms of low-level alignment paves the way for a sensorimotor and protoconversational account of language evolution

Fusion collaboration in global teams.

This essay introduces a new model for facilitating collaboration in global teams that leads to creatively realistic solutions to global problems. The conceptualization for the fusion model of global team collaboration draws on the culinary tradition of fusion cooking and current political theorizing about pluralistic societies. We describe how the fusion principle of coexistence facilitates information extraction and decision making, and we recommend formal interventions to counterbalance the unequal power relations among team members. We contrast the fusion model to models of collaboration based on principles of the dominant coalition and of integration/identity, pointing out why fusion should produce superior solutions to global problems.Model; Problems; Information; Decision; Decision making; Models; Principles;

Direct deliberative local governance using online media – consensual problem solving or a recalcitrant pluralism?

This paper describes and analyses distinct patterns of 'governance conversation' observed in interactions on a discussion list that aims to support local, direct, governance in a geographically colocated community in South Africa. Although each pattern relates to governance, making 'binding decisions', which has been seen as a key attribute of deliberative democratic processes, is almost entirely absent from the observed interactions. Nonetheless, the exchanges appear to be relevant and useful to the broader process of local direct deliberative governance. We investigate the extent to which the patterns feature instrumental or expressive dialogue, and subsequently support consensual or pluralist outcomes. The results propose that online interaction is particularly suited to facilitating the pluralist deliberation required to manage complex local governance problems. The outcomes observed in the case study further suggest the potential value of an infrequently investigated context of online deliberation – that of citizen-to-citizen deliberation of geographically local issues; and presents a broader conception of the role of online deliberation in local governance, where formal decision making is frequently over privileged in research

When I Move, You Move: Coordination in Conversation

Researchers have been interested in the dynamics of human conversation for several decades. One major focus of this line of research has been the mechanisms by which humans coordinate in conversation. To study the coordination of conversation within dyads often requires an understanding of statistical methods, which handle time series data. Traditionally, there are no definitive standards for defining one of the important parameters in time series analysis, window size. Therefore, the purpose of the current project was to elucidate the mechanisms through which conversational coordination emerges by utilizing conversational turn-taking as the basis for choosing the appropriate window size in the time series analysis. Data from previously collected videotaped conversational interactions were analyzed for the presence of movement coordination using an image-differencing algorithm in MATLAB. Additionally, speech signals time-locked to the video segments were examined for vocal synchrony in pitch using Praat. The participants from the original study were asked to engage in three tasks designed to elicit sarcasm. Only data from one of these tasks, discussing an ironic scenario, were analyzed for the current project. There were eleven dyads each contributing one conversation and each lasting between 2 and 8 minutes. It was thought that both movement and pitch were possible coordination mechanisms, but that coordination patterns would only be uncovered by using time series windows adjusted for turn-taking rates in each dyad. Results from windowed cross-correlations revealed that participants significantly coordinated movement. Post-hoc tests revealed an effect of window size on mean correlations. Although not significant, results from the analysis of vocal coordination revealed a pattern of results similar to those from the movement coordination study. This could be due to a lack of statistical power. Interestingly, patterns of movement coordination were found strictly as a function of a vocal parameter: turn-taking. These results suggest a novel approach to the study of conversational coordination and a more crucial role for turn-taking in the emergence of coordinative structures