RLDatix's Connected Healthcare Summit Draws 400+ Health System Leaders as Company Advances AI-Powered Patient Safety and Provider Performance Solutions - PR Newswire
RLDatix's Connected Healthcare Summit Draws 400+ Health System Leaders as Company Advances AI-Powered Patient Safety and Provider Performance Solutions PR Newswire
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Guardrails for GenAI drafted replies in patient portal messaging
npj Digital Medicine, Published online: 06 April 2026; doi:10.1038/s41746-026-02621-6 GenAI is increasingly used to draft replies to patient portal messages to reduce clinician workload. Evidence shows modest utilization and measurable workflow effects, alongside safety risks when clinicians miss errors or accept drafts with minimal editing. As deployments scale with deeper EHR integration and expanding transparency mandates, this Comment proposes governance that preserves efficiency without normalizing unsafe delegation: scoped use, risk tiering, accountable human authorship, auditability, and patient-facing transparency.
MIMO OFDM-Enabled ISAC for Low-Altitude Non-Cooperative UAV Surveillance: A Survey
arXiv:2604.02680v1 Announce Type: new Abstract: The widespread use of unmanned aerial vehicles (UAVs) in low-altitude airspace has raised significant safety and security concerns, motivating the development of reliable non-cooperative UAV surveillance technologies. Integrated sensing and communication (ISAC), enabled by multiple-input multiple-output (MIMO) architectures and orthogonal frequency-division multiplexing (OFDM) waveforms, has emerged as a promising paradigm for leveraging cellular infrastructure to support large-scale sensing without additional hardware deployment. This paper presents the first comprehensive survey dedicated to MIMO OFDM-enabled ISAC for low-altitude non-cooperative UAV surveillance, where the targeted UAVs do not intentionally assist the monitoring system thr
act: Technical report
arXiv:2604.02955v1 Announce Type: new Abstract: This technical report contains the formal definitions and metatheory for the act specification and verification language. It documents the syntax, the operational pointer semantics, the type system and the main metatheoretic results (type-safety).
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OntoKG: Ontology-Oriented Knowledge Graph Construction with Intrinsic-Relational Routing
arXiv:2604.02618v1 Announce Type: new Abstract: Organizing a large-scale knowledge graph into a typed property graph requires structural decisions -- which entities become nodes, which properties become edges, and what schema governs these choices. Existing approaches embed these decisions in pipeline code or extract relations ad hoc, producing schemas that are tightly coupled to their construction process and difficult to reuse for downstream ontology-level tasks. We present an ontology-oriented approach in which the schema is designed from the outset for ontology analysis, entity disambiguation, domain customization, and LLM-guided extraction -- not merely as a byproduct of graph building. The core mechanism is intrinsic-relational routing, which classifies every property as either intri
A Self-Calibrating SDR for High Fidelity Beam- and Null-forming Arrays
arXiv:2604.02498v1 Announce Type: new Abstract: Null forming is increasingly essential in modern wireless systems for spectrum-sharing, anti-jamming, and covert communications in contested and congested environments. Achieving deep nulls, however, is far more demanding than conventional beam steering: nulls are intrinsically narrow, and even small phase, timing, or gain mismatches across RF chains can significantly degrade suppression. This work develops and validates a self-calibrating SDR architecture tailored for high-fidelity null forming using a compact reference transmitter directionally coupled to the antenna feeds. We demonstrate the effectiveness of the approach through simulation and experimental measurements on an SDR platform operating from 3.0 to 3.5GHz, a band of growing impo
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