Results 231 to 240 of about 104,199 (300)

Restricted Tweedie stochastic block models

open access: yesCanadian Journal of Statistics, Volume 54, Issue 2, June 2026.
Abstract The stochastic block model (SBM) is a widely used framework for community detection in networks, where the network structure is typically represented by an adjacency matrix. However, conventional SBMs are not directly applicable to an adjacency matrix that consists of nonnegative zero‐inflated continuous edge weights.
Jie Jian, Mu Zhu, Peijun Sang
wiley   +1 more source

Environmental Policy Without Implementation? A Review of Factors Contributing to Implementation Gaps in Low‐ and Middle‐Income Countries

open access: yesEnvironmental Policy and Governance, Volume 36, Issue 3, Page 611-635, June 2026.
ABSTRACT The sound formation of robust environmental policies is increasingly important for low‐ and middle‐income countries (LMICs) to achieve their national objectives and international commitments. However, policy implementation can be complex, and environmental policies may not be prioritised given other critical socio‐economic development issues ...
Rebecca K. M. Clube, Julia Tomei
wiley   +1 more source

Training in lung ultrasound for the diagnosis of lower respiratory tract infections in children under five years of age in rural healthcare facilities in Guatemala. [PDF]

open access: yesJ Glob Health
García-Rodríguez C   +6 more
europepmc   +1 more source

Cover Picture and Issue Information

open access: yesEcological Solutions and Evidence, Volume 7, Issue 3, July–September 2026.
Cover image: Hunters scatter in the savannah during a collective hunt in the forest of the Democratic Republic of the Congo. In most of Central Africa, traditional hunting practices are being replaced by metal snares, guns and night hunting, impacting wildlife populations and the livelihoods of rural communities.
wiley   +1 more source

HPV vaccine awareness and uptake in rural Indigenous communities in Guatemala: a cross-sectional study. [PDF]

open access: yesBMJ Open
Abascal Miguel L   +5 more
europepmc   +1 more source

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