**General Actions:**

Aggregate programming provides an alternate approach to the standard device-centered development methodology, aiming to dramatically simplify the design, creation, and maintenance of complex and large scale software systems, specifically in the context of IoT, cyber-physical systems, pervasive computing, robotic swarms, and large-scale situated systems in general. Under this approach, the reference computing machine is no longer the single device, but is instead the aggregate collection of devices that cooperatively carry out a computational process: the details of behaviour, position and number of devices are largely abstracted away, to be replaced with a space-filling computational environment. Hence, with aggregate programming the availability of large, heterogeneous sets of devices becomes less of a concern and more an opportunity to increase the quality (e.g., soundness, stability, efficacy).

The main reseachers involved in this research activity include:

- Università di Bologna, Italy: Mirko Viroli, Danilo Pianini, Roberto Casadei
- BBN Raytheon Technologies, USA: Jake Beal
- Università di Torino, Italy: Ferruccio Damiani, Giorgio Audrito

- Computational fields: maps from devices to values; in our approach "everything is a field"
- Computational Field Calculus: a tiny language, amenable to formal treatment, describing computations over fields
- Protelis language: a Java-oriented, Java-enabled programming language to construct aggregate computations based on the computational field calculus
- Alchemist: a fast simulator, with ability (among the others) of running Protelis, other than importing maps, GPS traces, images and so on
- ScaFi: a Scala-based DSL and library for building simulators and systems adopting the Aggregated Computing view

- Presentation given locally at the "Open Your Mind" seminars series: OpenYourMind-AggregateComputing.pdf
- Best Paper at IEEE SASO 2016! Conference version: BealSASO2016, Journal version: TAAS2017
- Aggregate Computing appeared at IEEE Computer! Computer2015
- Paper accepted at SASO 2015! AggregateComputingSASO2015
- I'll be giving a keynote speech at the "Collective Adaptation in very large scale UBICOMP: The Superorganism of Massive Collective Wearables" UBICOMP workshop, sponsored by FOCAS (http://focas.eu/towards-superorganism-wearables/)

- Description and composition of bio-inspired design patterns: a complete overview. A catalogue of patterns of self-organisation
- Chemical-oriented Simulation of Computational Systems with Alchemist: Presentation of the architecture of Alchemist simulator
- Organizing the Aggregate: Languages for Spatial Computing: Survey on previous aggregate computing-related attempts

- A type-sound calculus of computational fields: Presentation of the computational field calculus (extended version of FieldCalculusFOCLASA2013)
- Type-based Self-stabilisation for Computational Fields: A fragment of field calculus proved self-stabilising (extended version of SpatialCoordination2014)
- Towards a Unified Model of Spatial Computing: A universality result for the computational field calculus
- Code Mobility Meets Self-organisation: A Higher-Order Calculus of Computational Fields: Adding higher-order features to computational field calculus, key to support opennes

- Building Blocks for Aggregate Programming of Self-Organising Applications: Proposing a set of building blocks on top of field calculus, to scale with complexity
- Space-Time Programming: A survey in the potentials and challenges of aggregate computing (more generally, space-time computing)
- Efficient Engineering of Complex Self-Organising Systems by Self-Stabilising Fields: A methodological paper, identifying a self-stabilising fragment, and discussing substitutability to address non-functional properties.
- Aggregate Programming for the Internet of Things: The flagship publication of Aggregate Computing, containing a rather accessible introduction to the general topic

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