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1,861 Results Found

  • Article
  • Open Access
33 Citations
5,820 Views
14 Pages

10 November 2021

In the area of network analysis, centrality metrics play an important role in defining the “most important” actors in a social network. However, nowadays, most types of networks are dynamic, meaning their topology changes over time. The connection we...

  • Article
  • Open Access
16 Citations
4,657 Views
27 Pages

Finding Top-k Nodes for Temporal Closeness in Large Temporal Graphs

  • Pierluigi Crescenzi,
  • Clémence Magnien and
  • Andrea Marino

29 August 2020

The harmonic closeness centrality measure associates, to each node of a graph, the average of the inverse of its distances from all the other nodes (by assuming that unreachable nodes are at infinite distance). This notion has been adapted to tempora...

  • Article
  • Open Access
9 Citations
5,851 Views
20 Pages

Video super-resolution has become an emerging topic in the field of machine learning. The generative adversarial network is a framework that is widely used to develop solutions for low-resolution videos. Video surveillance using closed-circuit televi...

  • Article
  • Open Access
182 Views
19 Pages

9 January 2026

Existing video inpainting methods typically combine optical flow propagation with Transformer architectures, achieving promising inpainting results. However, they lack adaptive inpainting strategy optimization in diverse scenarios, and struggle to ca...

  • Article
  • Open Access
27 Citations
5,104 Views
19 Pages

Next-Generation Gravity Missions: Sino-European Numerical Simulation Comparison Exercise

  • Roland Pail,
  • Hsien-Chi Yeh,
  • Wei Feng,
  • Markus Hauk,
  • Anna Purkhauser,
  • Changqing Wang,
  • Min Zhong,
  • Yunzhong Shen,
  • Qiujie Chen and
  • Houze Xu
  • + 8 authors

13 November 2019

Temporal gravity retrieval simulation results of a future Bender-type double pair mission concept, performed by five processing centers of a Sino-European study team, have been inter-compared and assessed. They were computed in a synthetic closed-loo...

  • Feature Paper
  • Article
  • Open Access
32 Citations
4,531 Views
17 Pages

17 May 2021

With the continuous increase in plantation areas, the reduction of natural forest areas, and the unreasonable management of plantations by human beings, the service function of forest ecosystems has gradually reduced. Therefore, close-to-natural fore...

  • Article
  • Open Access
2,311 Views
12 Pages

There are possible worlds in which time is circular and finite in duration, forming a loop of, say, 12,000 years. There are also possible worlds in which time is linear and infinite in both directions and in which history is repetitive, consisting of...

  • Article
  • Open Access
107 Citations
14,164 Views
26 Pages

Soil Moisture from Fusion of Scatterometer and SAR: Closing the Scale Gap with Temporal Filtering

  • Bernhard Bauer-Marschallinger,
  • Christoph Paulik,
  • Simon Hochstöger,
  • Thomas Mistelbauer,
  • Sara Modanesi,
  • Luca Ciabatta,
  • Christian Massari,
  • Luca Brocca and
  • Wolfgang Wagner

29 June 2018

Soil moisture is a key environmental variable, important to e.g., farmers, meteorologists, and disaster management units. We fuse surface soil moisture (SSM) estimates from spatio-temporally complementary radar sensors through temporal filtering of t...

  • Article
  • Open Access
9 Citations
4,253 Views
12 Pages

Close Temporal Relationship between Oscillating Cytosolic K+ and Growth in Root Hairs of Arabidopsis

  • Xiangzhong Sun,
  • Yuping Qiu,
  • Yang Peng,
  • Juewei Ning,
  • Guangjie Song,
  • Yanzhu Yang,
  • Mengyu Deng,
  • Yongfan Men,
  • Xingzhong Zhao and
  • Yanqing Tian
  • + 2 authors

27 August 2020

Root hair elongation relies on polarized cell expansion at the growing tip. As a major osmotically active ion, potassium is expected to be continuously assimilated to maintain cell turgor during hair tip growth. However, due to the lack of practicabl...

  • Article
  • Open Access
6 Citations
2,809 Views
14 Pages

13 May 2023

The Amoebozoan Dictyostelium discoideum exhibits a semi-closed mitosis in which the nuclear membranes remain intact but become permeabilized to allow tubulin and spindle assembly factors to access the nuclear interior. Previous work indicated that th...

  • Article
  • Open Access
3 Citations
227 Views
14 Pages

1 December 2020

The present eye-tracking study investigated how audio explanations influence perception and the cognitive processing of historical paintings. Spatially close and distant pairs of picture elements and their semantic relations were named in an audio te...

  • Article
  • Open Access
10 Citations
3,474 Views
14 Pages

9 April 2021

Microbes can establish a pathogenetic or symbiotic relationship with plants in soil and aquatic ecosystems. Although change in bacterial and fungal community in soil and their interaction with plants have been widely studied, little is known about th...

  • Article
  • Open Access
11 Citations
5,244 Views
26 Pages

Temporal Evolution of Carbon Stocks, Fluxes and Carbon Balance in Pedunculate Oak Chronosequence under Close-To-Nature Forest Management

  • Maša Zorana Ostrogović Sever,
  • Giorgio Alberti,
  • Gemini Delle Vedove and
  • Hrvoje Marjanović

18 September 2019

Under current environmental changes, forest management is challenged to foster contrasting benefits from forests, such as continuous wood supply while preserving biomass production, biodiversity conservation, and contribution to climate change mitiga...

  • Article
  • Open Access
1 Citations
2,422 Views
14 Pages

3 August 2020

Predicting the effects of changes in dissolved input concentration on the variability of discharge concentration at the outlet of the catchment is essential to improve our ability to address the problem of surface water quality. The goal of this stud...

  • Article
  • Open Access
7 Citations
3,193 Views
15 Pages

29 September 2021

The spatial relationship between transport networks and retail store locations is an important topic in studies related to commercial activities. Much effort has been made to study physical street networks, but they are seldom empirically discussed w...

  • Article
  • Open Access
1 Citations
2,272 Views
14 Pages

30 September 2023

Herein, the distribution of sulfur and iron compounds (dissolved sulfide: H2S and HS−, iron sulfide: FeS, and ionized iron: Fe2+ and Fe3+) in sediments (0–15 cm depth) at four stations in Mikawa Bay, Japan, was evaluated from April 2015 t...

  • Article
  • Open Access
4 Citations
2,005 Views
20 Pages

Research on Stock Index Prediction Based on the Spatiotemporal Attention BiLSTM Model

  • Shengdong Mu,
  • Boyu Liu,
  • Jijian Gu,
  • Chaolung Lien and
  • Nedjah Nadia

11 September 2024

Stock index fluctuations are characterized by high noise and their accurate prediction is extremely challenging. To address this challenge, this study proposes a spatial–temporal–bidirectional long short-term memory (STBL) model, incorpor...

  • Article
  • Open Access
28 Citations
4,733 Views
21 Pages

Short-term traffic forecasting plays an important part in intelligent transportation systems. Spatiotemporal k-nearest neighbor models (ST-KNNs) have been widely adopted for short-term traffic forecasting in which spatiotemporal matrices are construc...

  • Case Report
  • Open Access
14 Citations
4,984 Views
5 Pages

SARS-CoV-2 Seroconversion in an Adult Horse with Direct Contact to a COVID-19 Individual

  • Nicola Pusterla,
  • Antoine Chaillon,
  • Caroline Ignacio,
  • Davey M. Smith,
  • Samantha Barnum,
  • Kaila O. Y. Lawton,
  • Greg Smith and
  • Bradley Pickering

14 May 2022

The authors report on a possible direct exposure to SARS-CoV-2 from a COVID-19-positive individual to an adult horse. The individual, diagnosed with COVID-19 (Delta B.1.617.2), had daily contact to her two horses prior to and during the development o...

  • Article
  • Open Access
1,051 Views
20 Pages

4 November 2025

Eye movement is an important tool used to investigate cognition. It also serves as input in human–computer interfaces for assistive technology. It can be measured with camera-based eye tracking and electro-oculography (EOG). EOG does not rely o...

  • Article
  • Open Access
6 Citations
2,967 Views
14 Pages

9 January 2024

Temporal gait asymmetry (TGA) is commonly observed in individuals facing mobility challenges. Rhythmic auditory stimulation (RAS) can improve temporal gait parameters by promoting synchronization with external cues. While biofeedback for gait trainin...

  • Article
  • Open Access
6 Citations
5,018 Views
21 Pages

Judging Relative Onsets and Offsets of Audiovisual Events

  • Puti Wen,
  • Collins Opoku-Baah,
  • Minsun Park and
  • Randolph Blake

3 March 2020

This study assesses the fidelity with which people can make temporal order judgments (TOJ) between auditory and visual onsets and offsets. Using an adaptive staircase task administered to a large sample of young adults, we find that the ability to ju...

  • Article
  • Open Access
365 Views
26 Pages

Lightweight EEG Phase Prediction Based on Channel Attention and Spatio-Temporal Parallel Processing

  • Shufei Duan,
  • Yuting Yan,
  • Qianrong Guo,
  • Fujiang Li and
  • Huizhi Liang

22 December 2025

Background/Objectives: Closed-loop phase-locked TMS aims to deliver stimulation at targeted EEG phases, but real-time phase prediction remains a practical bottleneck. Timing errors are especially harmful near peaks and troughs, where small offsets ca...

  • Case Report
  • Open Access
10 Citations
7,205 Views
7 Pages

Aseptic Meningitis, Mucocutaneous Lesions and Arthritis after COVID-19 Vaccination in a 15-Year-Old Boy

  • Thomas Bogs,
  • Nadia Saleh,
  • Suleyman Tolga Yavuz,
  • Walid Fazeli,
  • Rainer Ganschow and
  • Felix Schreiner

18 February 2022

We report a 15-year-old boy who developed aseptic meningitis 10 days after administration of the second dose of the COVID-19 vaccine BNT162b2. Although accompanying aphthous mouth ulcers resembling herpetic stomatitis initially led us to suspect an u...

  • Article
  • Open Access
8 Citations
3,246 Views
23 Pages

ERTFM: An Effective Model to Fuse Chinese GF-1 and MODIS Reflectance Data for Terrestrial Latent Heat Flux Estimation

  • Lilin Zhang,
  • Yunjun Yao,
  • Xiangyi Bei,
  • Yufu Li,
  • Ke Shang,
  • Junming Yang,
  • Xiaozheng Guo,
  • Ruiyang Yu and
  • Zijing Xie

16 September 2021

Coarse spatial resolution sensors play a major role in capturing temporal variation, as satellite images that capture fine spatial scales have a relatively long revisit cycle. The trade-off between the revisit cycle and spatial resolution hinders the...

  • Article
  • Open Access
96 Citations
8,674 Views
13 Pages

6 November 2018

Changes in ocean temperature over time have important implications for marine ecosystems and global climate change. Marine temperature changes with time and has the features of closeness, period, and trend. This paper analyzes the temporal dependence...

  • Feature Paper
  • Article
  • Open Access
2 Citations
3,099 Views
23 Pages

Radiometric Improvement of Spectral Indices Using Multispectral Lightweight Sensors Onboard UAVs

  • Paula Andrés-Anaya,
  • Adolfo Molada-Tebar,
  • David Hernández-López,
  • Miguel Ángel Moreno,
  • Diego González-Aguilera and
  • Mónica Herrero-Huerta

25 January 2024

Close-range remote sensing techniques employing multispectral sensors on unoccupied aerial vehicles (UAVs) offer both advantages and drawbacks in comparison to traditional remote sensing using satellite-mounted sensors. Close-range remote sensing tec...

  • Feature Paper
  • Article
  • Open Access
3 Citations
2,917 Views
15 Pages

Spatial and Temporal Pattern of Rainstorms Based on Manifold Learning Algorithm

  • Yuanyuan Liu,
  • Yesen Liu,
  • Hancheng Ren,
  • Longgang Du,
  • Shu Liu,
  • Li Zhang,
  • Caiyuan Wang and
  • Qiang Gao

22 December 2022

Identifying the patterns of rainstorms is essential for improving the precision and accuracy of flood forecasts and constructing flood disaster prevention systems. In this study, we used a manifold learning algorithm method of machine learning to ana...

  • Article
  • Open Access
11 Citations
3,669 Views
19 Pages

Post-Logging Canopy Gap Dynamics and Forest Regeneration Assessed Using Airborne LiDAR Time Series in the Brazilian Amazon with Attribution to Gap Types and Origins

  • Philip Winstanley,
  • Ricardo Dalagnol,
  • Sneha Mendiratta,
  • Daniel Braga,
  • Lênio Soares Galvão and
  • Polyanna da Conceição Bispo

25 June 2024

Gaps are openings within tropical forest canopies created by natural or anthropogenic disturbances. Important aspects of gap dynamics that are not well understood include how gaps close over time and their potential for contagiousness, indicating whe...

  • Article
  • Open Access
7 Citations
4,277 Views
16 Pages

Nucleoside-based diarylethenes are emerging as an especial class of photochromic compounds that have potential applications in regulating biological systems using noninvasive light with high spatio-temporal resolution. However, relevant microscopic p...

  • Technical Note
  • Open Access
1 Citations
1,655 Views
28 Pages

HCM-LMB Filter: Pedestrian Number Estimation with Millimeter-Wave Radar in Closed Spaces

  • Yang Li,
  • You Li,
  • Yanping Wang,
  • Yun Lin,
  • Wenjie Shen,
  • Wen Jiang and
  • Jinping Sun

25 September 2023

The electromagnetic wave transmitted by the millimeter-wave radar can penetrate flames, smoke, and the high-temperature field, and is the main sensor for detecting disaster victims in closed spaces. However, a moving target in the closed space will p...

  • Communication
  • Open Access
11 Citations
2,922 Views
10 Pages

8 June 2022

The output of a wavelength-swept laser (WSL) based on a fiber Fabry–Pérot tunable filter (FFP-TF) tends to shift the peak wavelength due to external temperature or heat generated by the FFP-TF itself. Therefore, when measuring the output...

  • Feature Paper
  • Review
  • Open Access
41 Citations
6,221 Views
29 Pages

Advancing the Science of Environmental Flow Management for Protection of Temporarily Closed Estuaries and Coastal Lagoons

  • Eric D. Stein,
  • Eleanor M. Gee,
  • Janine B. Adams,
  • Katie Irving and
  • Lara Van Niekerk

25 February 2021

The science needed to inform management of environmental flows to temporarily closed estuaries and coastal lagoons is decades behind the state of knowledge for rivers and large embayments. These globally ubiquitous small systems, which are often seas...

  • Article
  • Open Access
4 Citations
2,545 Views
14 Pages

29 March 2021

Analysis and risk assessment are procedures which help to improve knowledge and are very important in practice. Risk assessment is possible to conduct only on the basis of exact accurate and tested information about the given system, which truly defi...

  • Article
  • Open Access
4 Citations
1,947 Views
10 Pages

Poling of Glasses Using Resistive Barrier Discharge Plasma

  • Sergey A. Scherbak,
  • Vladimir P. Kaasik,
  • Valentina V. Zhurikhina and
  • Andrey A. Lipovskii

2 December 2022

A technique for poling of glasses using a resistive barrier discharge plasma in the atmosphere in a gap of hundreds of microns is presented. Measurements of the polarization current, second harmonic generation, and IR spectra of poled soda-lime glass...

  • Article
  • Open Access
6 Citations
2,498 Views
12 Pages

In Search of Periodicity in the Annual Precipitation in Europe (1881–2020)

  • Adam Walanus,
  • Robert Twardosz,
  • Marta Cebulska and
  • Arkadiusz Płachta

24 June 2022

A new method of searching for periodicity has been developed on the basis of extensive spatio-temporal data. The result, however, produces little more than doubts. The standard Fourier analysis indicates some periods, namely 3.7-, 7.0-, 8.8-, and 17....

  • Article
  • Open Access
9 Citations
3,334 Views
13 Pages

Municipal solid waste (MSW) landfills near a metropolitan area are renewable energy resources to produce heat and methane that can generate electricity. However, it is difficult to use those sources productively because disposed MSW in landfills are...

  • Article
  • Open Access
1 Citations
1,613 Views
14 Pages

29 November 2023

The spatial and temporal dynamics of the Siberian larch (Larix sibirica Ledeb.) at the upper limit of its growth on the south-eastern macroslope of the Rai-Iz massif (Polar Urals, Russia) during the second half of the 20th to the beginning of the 21s...

  • Technical Note
  • Open Access
6 Citations
3,117 Views
14 Pages

Ex Post Analysis of Water Supply Demand in an Agricultural Basin by Multi-Source Data Integration

  • Mario Lillo-Saavedra,
  • Viviana Gavilán,
  • Angel García-Pedrero,
  • Consuelo Gonzalo-Martín,
  • Felipe de la Hoz,
  • Marcelo Somos-Valenzuela and
  • Diego Rivera

21 May 2021

In this work, we present a new methodology integrating data from multiple sources, such as observations from the Landsat-8 (L8) and Sentinel-2 (S2) satellites, with information gathered in field campaigns and information derived from different public...

  • Article
  • Open Access
17 Citations
6,867 Views
11 Pages

Toward the Ultimate-High-Speed Image Sensor: From 10 ns to 50 ps

  • Anh Quang Nguyen,
  • Vu Truong Son Dao,
  • Kazuhiro Shimonomura,
  • Kohsei Takehara and
  • Takeharu Goji Etoh

24 July 2018

The paper summarizes the evolution of the Backside-Illuminated Multi-Collection-Gate (BSI MCG) image sensors from the proposed fundamental structure to the development of a practical ultimate-high-speed silicon image sensor. A test chip of the BSI MC...

  • Article
  • Open Access
9 Citations
4,820 Views
10 Pages

Mandibular Jaw Movement and Masticatory Muscle Activity during Dynamic Trunk Exercise

  • Daisuke Sugihara,
  • Misao Kawara,
  • Hiroshi Suzuki,
  • Takashi Asano,
  • Akihiro Yasuda,
  • Hiroki Takeuchi,
  • Toshiyuki Nakayama,
  • Toshikazu Kuroki and
  • Osamu Komiyama

2 December 2020

The examination of jaw movement during exercise is essential for an improved understanding of jaw function. Currently, there is no unified view of the mechanism by which the mandible is fixed during physical exercise. We hypothesized that during stro...

  • Article
  • Open Access
5 Citations
2,285 Views
21 Pages

Vacuolar processing enzymes (VPEs) with caspase-1-like activity are closely associated with vacuole rupture. The destruction of vacuoles is one of the characteristics of programmed cell death (PCD) in plants. However, whether VPE is involved in the v...

  • Article
  • Open Access
127 Views
38 Pages

20 January 2026

In GPS-denied environments, the spatio-temporal coupling of errors caused by dynamic network topologies poses a fundamental challenge to cooperative localization, presenting existing methods with a dilemma: approaches pursuing global optimization lac...

  • Article
  • Open Access
3 Citations
3,950 Views
10 Pages

Propagation effects on the narrow bipolar pulses (NBPs) or the radiation fields generated by compact cloud discharges as they propagate over finitely conducting ground are presented. The results were obtained using a sample of NBPs recorded with high...

  • Article
  • Open Access
3 Citations
2,386 Views
18 Pages

Trajectory Compression with Spatio-Temporal Semantic Constraints

  • Yan Zhou,
  • Yunhan Zhang,
  • Fangfang Zhang,
  • Yeting Zhang and
  • Xiaodi Wang

Most trajectory compression methods primarily focus on geometric similarity between compressed and original trajectories, lacking explainability of compression results due to ignoring semantic information. This paper proposes a spatio-temporal semant...

  • Article
  • Open Access
5 Citations
2,558 Views
21 Pages

Cloud Mesoscale Cellular Classification and Diurnal Cycle Using a Convolutional Neural Network (CNN)

  • Michal Segal Rozenhaimer,
  • David Nukrai,
  • Haochi Che,
  • Robert Wood and
  • Zhibo Zhang

15 March 2023

Marine stratocumulus (MSC) clouds are important to the climate as they cover vast areas of the ocean’s surface, greatly affecting radiation balance of the Earth. Satellite imagery shows that MSC clouds exhibit different morphologies of closed o...

  • Article
  • Open Access
14 Citations
2,005 Views
17 Pages

For the prediction of landslide-generated waves, previous studies have developed numerous empirical equations to express the maximums of wave characteristics as functions of slide parameters upon impact. In this study, we built the temporal relations...

  • Article
  • Open Access
1,020 Views
14 Pages

25 August 2025

This study investigated consumer perception of food insecurity by refining data collected from social media platforms. Text mining and TF-IDF were used to extract core keywords closely related to food insecurity and analyze their meanings. In additio...

  • Article
  • Open Access
1,402 Views
17 Pages

31 August 2025

Accurate and robust runoff simulation is crucial for effective reservoir regulation. Although it is clear that enhancing runoff simulation or optimizing reservoir operation strategies can improve the management of hydropower resources, the specific i...

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