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Research on a Joint Extraction Method of Track Circuit Entities and Relations Integrating Global Pointer and Tensor Learning.
Sensors (Basel)
November 2024
School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
To address the issue of efficiently reusing the massive amount of unstructured knowledge generated during the handling of track circuit equipment faults and to automate the construction of knowledge graphs in the railway maintenance domain, it is crucial to leverage knowledge extraction techniques to efficiently extract relational triplets from fault maintenance text data. Given the current lag in joint extraction technology within the railway domain and the inefficiency in resource utilization, this paper proposes a joint extraction model for track circuit entities and relations, integrating Global Pointer and tensor learning. Taking into account the associative characteristics of semantic relations, the nesting of domain-specific terms in the railway sector, and semantic diversity, this research views the relation extraction task as a tensor learning process and the entity recognition task as a span-based Global Pointer search process.
View Article and Find Full Text PDFThe Attachment of Juvenile Mussels via Byssus Weakened by Contaminated Polyethylene Fibers.
Toxics
October 2024
National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China.
In the process of mussel farming, the rope for attachment is indispensable, as it provides a stable attachment environment for mussel seedlings, directly affecting their survival rate and growth quality. The objective of this study is to examine the contamination of ropes, composed of polyethylene fibers, by heavy metals and polycyclic aromatic hydrocarbons (PAHs) after three years of deployment and to assess its influence on the attachment and locomotion behaviors of juvenile mussels. Utilizing a laboratory simulation of the seedling wrapping process, a comparative analysis was conducted to evaluate the number of juvenile mussels attached and their movement distances when exposed to contaminated old ropes versus uncontaminated new ropes.
View Article and Find Full Text PDFScaling the Heights: Rates of Pelvic Floor Dysfunction in Female Rock-Climbing Enthusiasts.
Wilderness Environ Med
November 2024
Department of Obstetrics and Gynecology, Denver Health and Hospital Authority, Denver, USA.
Article Synopsis
- - Recent research highlights a lack of studies on pelvic floor dysfunction in female rock climbers, prompting this study to explore incontinence and related disorders among climbers in the U.S.
- - An online survey of 343 female climbers revealed a high prevalence of pelvic floor issues, with overactive bladder being the most common, and noted that rope climbers experienced more severe symptoms compared to boulderers.
- - The findings suggest that female climbers, especially those who are parous or engage in rope climbing, have a higher incidence of pelvic floor disorders compared to the general population, indicating a need for better screening practices in active women.
Disease assessment in 'coral gardening' nurseries in the Maldives and implications for coral restoration success.
Dis Aquat Organ
November 2024
Department of Earth and Environmental Sciences (DISAT), University of Milan-Bicocca, Piazza della Scienza, 20126 Milan, Italy.
Article Synopsis
- Coral diseases pose a growing threat to reef ecosystems, prompting increased coral restoration efforts, yet the impact of these diseases on restoration success is not well understood.
- A study in the Maldives monitored two coral species, Pocillopora and Acropora, cultivated in different environments, revealing that disease prevalence and survival rates varied significantly between the reef and lagoon conditions.
- Findings suggest that while Pocillopora can be effectively outplanted despite some disease presence, lagoon-reared Acropora is unsuitable for restoration due to high disease levels, highlighting the need for disease monitoring and management in coral gardening projects.
Simultaneous nitrification and denitrification framework for decentralized systems: Long-term study utilizing rope-type biofilm media under field conditions.
Sci Total Environ
December 2024
Department of Civil and Environmental Engineering, Western University, 1151 Richmond Street, London N6A 5B9, ON, Canada. Electronic address:
This research introduces a novel approach to achieve simultaneous nitrification-denitrification (SND) under dynamic load conditions using a cost-effective rope-type biofilm technology. The approach represents a significant advancement in wastewater treatment, particularly beneficial for remote and decentralized communities. The biofilm-based SND process was developed using a pilot-scale flow-through reactor by implementing upstream carbon management with constant-timer-based aeration control versus dynamic-sensor-based aeration control strategies.
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