Browsing by Issue Date, starting with "2024-02-13"
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- Lightweight data bridge for connecting self-service end-user analytic tools to NGSI-based IoT systemsPublication . Pereira, Rui HumbertoThe FIWARE and related projects aim to provide an open, sustainable ecosystem based on public standards and royalty-free that accelerates the development of Smart Solutions. The broker (Orion, Scorpio and Stellio) and additional components, named Generic Enablers (GE), provide means for collecting IoT data and feeding a data layer. The NGSI standard has a structural role in terms of interoperability, thus promoting the development of new GEs. However, this standard is not being adopted in analytic tools. In general, these tools connect to the IoT backend databases, which poses problems regarding data access control management and requires specialised IT support. Thus, it is not well suited for enterprise scenarios like, for instance, smart agriculture or smart industry, in which self-service tools, such as Power BI, Tableau and Qlik, are frequently used. We propose a lightweight connector for data analytic tools and IoT ecosystems based on NGSIv2/NGSI-LD/NGSI-TSDB. The proposed system provides web services based on JSON and CSV formats that those tools use without applying complex transformations in the data. Thus, nontechnical business users can consume IoT data on demand and use all the analytical capabil ities of these tools. We tested the system in an educational scenario where dashboards and an alytics processes were developed with minimal effort. The system has implemented a mechanism for access control management at the service/tenant level and several querying features. The system is now being implemented in a real public service scenario. In future versions, we intend to improve the system in terms of performance, security and add more query features.
- Autistic traits and event-related potentials in the general population: A scoping review and meta-analysisPublication . Mazer, Prune; Garcez, Helena; Macedo, Inês; Pasion, Rita; Silveira, Celeste; Sempf, Frederieke; Ferreira-Santos, FernandoDifferences in short and long-latency Event-Related Potentials (ERPs) can help us infer abnormalities in brain processing, considering early and later stages of stimuli processing across tasks and conditions. In autism research, the adult population remains largely understudied compared to samples at early stages of development. In this context, this scoping review briefly summarises what has been described in community and subclinical adult samples of autism. The current scoping review and meta-analysis includes 50 records (N = 1652) and comprehensively explores short and long-latency ERP amplitudes and their relationship with autistic traits in adult community samples. This meta-analysis identified, with small to medium effect sizes, distinctive patterns in late ERP amplitudes, indicating enhanced responses to visual stimuli and the opposite patterns to auditory tasks in the included sample. Additionally, a pattern of higher amplitudes was also found for the component P3b in autistic traits. Differential effects in visual and auditory domains are explored in light of the predictive processing framework for Autism. It remains possible that different brain mechanisms operate to explain symptoms related with different sensory modalities. P3b is discussed as a possible component of interest in future studies as it revealed a more robust effect for differentiating severity in the expression of autistic traits in adulthood