Results 31 to 40 of about 785,747 (66)

Boundary Enhanced Neural Span Classification for Nested Named Entity Recognition

AAAI Conference on Artificial Intelligence, 2020
Named entity recognition (NER) is a well-studied task in natural language processing. However, the widely-used sequence labeling framework is usually difficult to detect entities with nested structures. The span-based method that can easily detect nested
Chuanqi Tan, Weijian Qiu, Mosha Chen, Rui Wang, Fei Huang   +4 more
semanticscholar   +1 more source

Chronic inflammation in the etiology of disease across the life span

Nature Medicine, 2019
David Furman, J. Campisi, E. Verdin, Pedro Carrera-Bastos, S. Targ, C. Franceschi, L. Ferrucci, D. Gilroy, A. Fasano, G. Miller, Andrew H. Miller, A. Mantovani, C. Weyand, N. Barzilai, J. Goronzy, T. Rando, R. Effros, A. Lucia, N. Kleinstreuer, George M. Slavich   +19 more
semanticscholar   +1 more source

NAD+ repletion improves mitochondrial and stem cell function and enhances life span in mice

Science, 2016
Hongbo Zhang, D. Ryu, Yibo Wu, K. Gariani, Xu Wang, Peiling Luan, D. D’Amico, E. Ropelle, M. Lutolf, R. Aebersold, K. Schoonjans, Keir J. Menzies, J. Auwerx   +12 more
semanticscholar   +1 more source

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New challenges in the IABSE TG3.1 benchmark on super long span bridge aerodynamics

IABSE Symposium, Istanbul 2023: Long Span Bridges, 2023
In the last years, extreme climate events as thunderstorm and downburst are becoming increasingly frequent and widespread. These phenomena could significantly impact on the dynamic response of super long-span bridges since they are typically ...
Giorgio Diana, S. Stoyanoff
semanticscholar   +1 more source

Fully automated global analyses of long-span bridges at a detail design level

IABSE Symposium, Istanbul 2023: Long Span Bridges, 2023
Long-span bridges require special analyses when addressing the global forces in the system. For cable-supported bridges, geometric nonlinearities become crucial for the structural behaviour and must be treated with care.
T. M. Lystad
semanticscholar   +1 more source

Aero-structural design optimization of long-span bridges: From linear to nonlinear aeroelasticity-driven perspectives

IABSE Symposium, Istanbul 2023: Long Span Bridges, 2023
Structural optimization techniques have been demonstrated to be a powerful tool for the cost-effective design of bridges under aeroelastic considerations, particularly when applied to super-long span suspension or cable-stayed bridges.
M. Cid Montoya, A. Kareem, S. Hernández
semanticscholar   +1 more source

Paradigm Shift required to bifurcate carrying capacity of span of a bridge with that of its durability in structural investigation of long span bridges

IABSE Symposium, Istanbul 2023: Long Span Bridges, 2023
Serious deflection in a long span bridge alerts engineers as it was in distress. Heavy vehicular traffic suspended on the bridge. It is followed by a detailed inspection and investigation.
R. K. Jaigopal
semanticscholar   +1 more source

The carbon footprint of long span bridges

IABSE Symposium, Istanbul 2023: Long Span Bridges, 2023
The construction industry accounts for approximately 40% of worldwide carbon emissions with steel and cement productions each accounting for approximately 8%. Bridges are relatively carbon intensive within this emissions group.
D. Collings
semanticscholar   +1 more source

ILM Application in 66m Span PC Continuous Beam

IABSE Symposium, Istanbul 2023: Long Span Bridges, 2023
The South Africa MTENTU Bridge project is designed with a total length of 1.13km and it adopts a multi-span prestressed concrete continuous rigid frame box girder structure.
Zhiguo Wang, Jiadong Ren
semanticscholar   +1 more source

Selected methods of reducing the deck transverse vibrations in long-span steel footbridges – case studies

IABSE Symposium, Istanbul 2023: Long Span Bridges, 2023
Horizontal vibrations of the deck in lightweight long-span footbridges, especially those made of steel, with a low damping level may significantly reduce the comfort of use of the whole structure.
M. Pańtak
semanticscholar   +1 more source