Dynamic System Adaptation by Constraint Orchestration

For Paradigm models, evolution is just-in-time specified coordination conducted by a special reusable component McPal. Evolution can be treated consistently and on-the-fly through Paradigm's constraint orchestration, also for originally unforeseen evolution. UML-like diagrams visually supplement such migration, as is illustrated for the case of a critical section solution evolving into a pipeline architecture.Comment: 19 page

Sensemaking reconsidered : towards a broader understanding through phenomenology

We develop a typology of sensemaking in organizations that reconsiders existing sensemaking research by providing a more coherent and integrative conceptualization of what defines sensemaking and how it is connected with organizing. Drawing on existential phenomenology, we make the following core claims: (1) sensemaking is not a singular phenomenon but comprises four major types: immanent, involved-deliberate, detached-deliberate, and representational sensemaking; (2) all types of sensemaking originate and take place within specific practice worlds; (3) the core constituents of sensemaking within a practice world (sense–action nexus, temporality, embodiment, and language) are played out differently in each type of sensemaking. Furthermore, we elaborate the links between sensemaking and organizing, focusing especially on the connections between types and levels of sensemaking, and the consequences of sensemaking outcomes for organizing. Finally, we discuss how the typology contributes to the existing sensemaking perspective, outline methodological implications, and suggest ways of advancing sensemaking research

Morphological transformation of the old city of Beijing after 1949

The old city of Beijing has been recognized as the greatest masterpiece of urban planning and urban design. However, since 1949 it has experienced extensive and fast constructions and demolitions, a large number of papers argued that physical and social structure of old city of Beijing has been fading away. In order to find a proper way to protect and redevelop the old Beijing city, it could be better to answer the questions that what is the essence of urban morphology of the Old Beijing (the city before 1950s) and further how it has been transformed during last 50 years since 1949. The paper tried to provide a whole spatial morphology of the old city of Beijing and its transformation from the perspective of space syntax, a syntactical and topological approach. Based on which, it argued syntactical representation of the Old Beijing could give the light on the dual spatial structures, both for ceremony and for everyday life. Further, it argued that the transformation of syntactical morphology of the old city of Beijing had been on the way to make the spatial configuration more intelligibility for every day life since 1949. However, the continued large scale regeneration and urban extension have begun to impair the vitality of the old city due to both weakening spatial synergy and damaging compactness

An interrupted transmission? Processes of CCTV implementation and the impact of human agency

This paper examines the processes that bring about the creation of new public-space CCTV schemes. Through an appraisal of the grounded activities of the practitioners who make decisions over CCTV, the role of agency is identified as a particularly strong, yet relatively neglected, influence on its implementation. Moreover, beyond dichotomised notions of central structures and local agency, an understanding is developed of the complex interaction between the individual actors involved in CCTV dissemination and the political context in which they operate. In doing so, public policy is identified as the vehicle through which camera surveillance systems become installed and disseminated throughout public space. Moreover, these various forces of structure and agency become filtered through identifiable networks of policy-makers, comprising 'responsibilised' actors who oversee the deployment of CCTV. This analysis is used to revisit a range of administrative and theoretical understandings of surveillance, including: citations of CCTV as an evaluated response to crime; the attribution of power- and interest-based agendas to its implementation; and accounts which locate CCTV expansion within various evolving societal processes. Drawing on qualitative fieldwork data gathered during doctoral research, the paper considers the activities of practitioners at a local level and identifies crucial contexts, drivers and negotiations on which expanding surveillance is contingent. Ultimately, it is argued that the process of CCTV installation ? from conception to material implementation ? is disrupted and mediated by a range of micro-level operations, obligations, processes, managerial concerns (particularly conflict resolution and resource issues), structures and agency, and the indirect influence of central government. These not only arbitrate over whether the CCTV becomes installed, but also generate a range of additional uses for the cameras, many of which are performed before they are even switched on. This emphasises the need to consider the processes that enable and constrain the actions of those making decisions over CCTV and demonstrates how no single interest becomes solely participant in the deployment of surveillance. Finally, because of the centrality and contingency of both human agency and the structural contexts in which it operates in determining the installation of CCTV, questions arise concerning the importance of integrative sociological theories in understanding the deployment of surveillance

Adaptive Process Management in Cyber-Physical Domains

The increasing application of process-oriented approaches in new challenging cyber-physical domains beyond business computing (e.g., personalized healthcare, emergency management, factories of the future, home automation, etc.) has led to reconsider the level of flexibility and support required to manage complex processes in such domains. A cyber-physical domain is characterized by the presence of a cyber-physical system coordinating heterogeneous ICT components (PCs, smartphones, sensors, actuators) and involving real world entities (humans, machines, agents, robots, etc.) that perform complex tasks in the “physical” real world to achieve a common goal. The physical world, however, is not entirely predictable, and processes enacted in cyber-physical domains must be robust to unexpected conditions and adaptable to unanticipated exceptions. This demands a more flexible approach in process design and enactment, recognizing that in real-world environments it is not adequate to assume that all possible recovery activities can be predefined for dealing with the exceptions that can ensue. In this chapter, we tackle the above issue and we propose a general approach, a concrete framework and a process management system implementation, called SmartPM, for automatically adapting processes enacted in cyber-physical domains in case of unanticipated exceptions and exogenous events. The adaptation mechanism provided by SmartPM is based on declarative task specifications, execution monitoring for detecting failures and context changes at run-time, and automated planning techniques to self-repair the running process, without requiring to predefine any specific adaptation policy or exception handler at design-time

Democracy Versus the National Security State

The Single Chip Cloud computer (SCC) is an experimental processor from Intel Labs with 48 cores connected with a 2D mesh on-chip network. We evaluate the performance of SCC regarding off-chip memory accesses and communication capabilities. As benchmark, we use the merging phase of mergesort, a representative of a memory access intensive algorithm. Mergesort is parallelized and adapted in 4 variants, each leveraging different features of the SCC, in order to assess and compare their performance impact. Our results motivate to consider on-chip pipelined mergesort on SCC, which is an issue of ongoing work