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This open access book constitutes the refereed proceedings of the 18th International Conference on String Processing and Information Retrieval, ICOST 2022, held in Paris, France, in June 2022. The 15 full papers and 10 short papers presented in this volume were carefully reviewed and selected from 33 submissions. They cover topics such as design, development, deployment, and evaluation of AI for health, smart urban environments, assistive technologies, chronic disease management, and coaching and health telematics systems.

Network hardware --- Software Engineering --- Information retrieval --- User interface design & usability --- Computer vision --- Information technology: general issues --- architecture types --- artificial intelligence --- communication systems --- computer hardware --- computer networks --- computer science --- computer systems --- engineering --- Human-Computer Interaction (HCI) --- internet --- Internet of Things (IoT) --- network protocols --- sensors --- signal processing --- software architecture --- software design --- software engineering --- telecommunication systems --- ubiquitous computing --- user interfaces --- Intel·ligència artificial en medicina --- Informàtica mèdica

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This book focuses on both fundamental and applied research on nanogenerators. The triboelectric nanogenerator (TENG) is based on expanded Maxwell’s equations for a mechano-driven system, including the polarization density term Ps in a displacement vector owing to the electrostatic charges on medium surfaces as produced by effects such as triboelectrification. The TENGs have potential applications in blue energy, wearable devices, environmental protectioin, medical science, and security. Hybridized and coupled nanogenerators further expand the application of nanogenerators in energy stability and multi-functional sensing.

triboelectric nanogenerator --- network --- blue energy --- wave energy --- energy harvesting --- surface engineering --- surface morphology --- surface modification --- enhanced performance --- human–machine interface (HMI) --- triboelectric nanogenerator (TENG) --- artificial intelligence (AI) --- robot perception --- wearable sensor --- Internet of things (IoT) --- Beaufort scale monitoring --- near-zero power --- wake-up system --- triboelectric sensor --- ferroelectric materials --- nanogenerators --- piezoelectricity --- triboelectricity --- pyroelectricity --- bulk ferroelectric photovoltaic effect (BPVE) --- harvesting --- coupled effects --- mechanical conversion --- mechanical transmission --- triboelectric nanogenerators (TENGs) --- external mechanical system control --- regulated output --- uniform output --- stretchable electronic skin --- self-powered sensing --- human motion monitoring --- thermoplastic polyurethane fibers --- biosensors --- hybridization --- piezoelectric nanogenerator --- electromechanical conversion --- self-powered --- cell modulation --- smart textiles --- triboelectric nanogenerators --- electricity generation --- output enhancement --- air breakdown --- lubricant liquid --- mechanical lifespan

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The Internet-of-Things is becoming an established technology, with devices being deployed in homes, workplaces, and public areas at an increasingly rapid rate. IoT devices are the core technology of smart-homes, smart-cities, intelligent transport systems, and promise to optimise travel, reduce energy usage and improve quality of life. With the IoT prevalence, the problem of how to manage the vast volumes of data, wide variety and type of data generated, and erratic generation patterns is becoming increasingly clear and challenging. This Special Issue focuses on solving this problem through the use of edge computing. Edge computing offers a solution to managing IoT data through the processing of IoT data close to the location where the data is being generated. Edge computing allows computation to be performed locally, thus reducing the volume of data that needs to be transmitted to remote data centres and Cloud storage. It also allows decisions to be made locally without having to wait for Cloud servers to respond.

hierarchical edge computing --- WSN --- rapid response strategy --- edge node --- fog access points --- cache memory --- convolutional neural network --- proactive caching --- fog computing --- Internet of Things --- service placement --- fog service orchestration --- spectral classification --- portable optical fiber spectrometers --- dew computing --- edge computing --- smartphone --- job scheduling --- scheduling heuristics --- mobile edge computing --- mobile edge server placement --- multiagent RL --- edge security --- offloading computation --- distributed collaboration --- data processing --- dynamic offloading --- IoT --- gateways --- Internet of Things (IoT) --- failure recovery --- FP-Growth algorithm --- association rules --- frequency pattern analysis --- computational offloading --- orchestration --- functional programming --- n/a

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Cognitive building is a pioneering topic envisioning the future of our built environment. The concept of "cognitive" provides a paradigm shift that steps from the static concept of the building as a container of human activities towards the modernist vision of "machine à habiter" of Le Corbusier, where the technological content adds the capability of learning from users' behavior and environmental variables to adapt itself to achieve major goals such as user comfort, energy-saving, flexible functionality, high durability, and good maintainability. The concept is based on digital frameworks and IoT networks towards the concept of a smart city.

Research & information: general --- explainable post occupancy --- humanoid robot --- lighting simulation software --- BIM --- openBIM --- IFC --- IoT --- sensors --- cognitive buildings --- asset management --- digital twin --- BEM --- simulation modelling --- dynamic simulation --- Building Information Modelling (BIM) --- Internet of Things (IoT) --- facility management --- cyber-physical systems --- Building Management System --- Digital Twin --- Post-Occupancy Evaluations --- cognitive --- digital twins --- building lifecycle management --- artificial intelligence --- decision support --- self-learning --- optimization --- building performance simulation --- lighting simulation --- lighting quality --- visual comfort --- office field study --- evidence-based design --- building information modeling --- HVAC --- fan coil --- Internet of Things --- predictive maintenance --- fault detection --- smart building --- sustainable building --- construction projects --- BIM implementation --- stakeholders --- barriers --- construction product --- servitization --- level of evidence --- level curves --- ground slopes --- embankments --- road and rail design --- n/a

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Modern cities are facing the challenge of combining competitiveness at the global city scale and sustainable urban development to become smart cities. A smart city is a high-tech, intensive and advanced city that connects people, information, and city elements using new technologies in order to create a sustainable, greener city; competitive and innovative commerce; and an increased quality of life. This Special Issue collects the recent advancements in smart cities and covers different topics and aspects.

Technology: general issues --- History of engineering & technology --- cycle logistics --- European projects --- goods delivery --- bike delivery --- cargo cycle --- cargo bike --- bike sharing system --- expansion areas --- category clustering --- batches prediction --- extended range electric vehicle --- technologies --- optimization methods --- EREV key components --- level optimization --- urban accessibility --- Distrito Tec --- Monterrey Metropolitan Zone (MMZ) --- Urban Basic Geostatistical Areas (AGEBs) --- 15 minutes city --- UrMoAC --- smart networks --- digitization --- smart transit --- cyber security --- smart city --- smarter communities --- smart sensors --- smart meters --- internet of things (IoT) --- facial recognition --- cyber privacy --- time series analysis --- energy demand forecast --- ARIMA --- hybrid model --- power theft --- itinerary planning --- smart tourism --- graph theory --- heuristic approach --- smart water/energy/mobility --- open innovation --- challenge living lab --- challenge-based learning --- electric vehicle --- vehicle-to-grid --- vehicle-to-building --- electric vehicle emulator --- electric vehicle supply equipment --- smart grid --- n/a