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Journal articles on the topic 'Information conservation constraint'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Derhab, Abdelouahid, Abdelghani Bouras, Mohamed Belaoued, Leandros Maglaras, and Farrukh Aslam Khan. "Two-Hop Monitoring Mechanism Based on Relaxed Flow Conservation Constraints against Selective Routing Attacks in Wireless Sensor Networks." Sensors 20, no. 21 (2020): 6106. http://dx.doi.org/10.3390/s20216106.

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In this paper, we investigate the problem of selective routing attack in wireless sensor networks by considering a novel threat, named the upstream-node effect, which limits the accuracy of the monitoring functions in deciding whether a monitored node is legitimate or malicious. To address this limitation, we propose a one-dimensional one-class classifier, named relaxed flow conservation constraint, as an intrusion detection scheme to counter the upstream node attack. Each node uses four types of relaxed flow conservation constraints to monitor all of its neighbors. Three constraints are appli

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Grifka, Jasmin, Maximilian Weigand, Andreas Kemna, and Thomas Heinze. "Impact of an Uncertain Structural Constraint on Electrical Resistivity Tomography for Water Content Estimation in Landslides." Land 11, no. 8 (2022): 1207. http://dx.doi.org/10.3390/land11081207.

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Geoelectrical methods can be part of early warning systems for landslide-prone hillslopes by giving estimates of the water content distribution. Structurally constrained inversions of geoelectrical data can improve the water content estimation by reducing the smoothness constraint along known lithological boundaries, which is especially important for landslides, as often layers with strongly divergent hydrological parameters and varying electrical signatures are present in landslides. However, any a priori information about those boundaries has an intrinsic uncertainty. A detailed synthetic st

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Moran, Emma, Ross Cullen, and Kenneth F. D. Hughey. "The costs of single species programmes and the budget constraint." Pacific Conservation Biology 14, no. 2 (2008): 108. http://dx.doi.org/10.1071/pc080108.

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Despite the scarcity of funding for species conservation programmes, estimation of the cost of threatened species programmes occurs in only a few countries. This paper examines the reasons for the lack of species programme cost estimates and the likely impacts of this on conservation management. We report methodology used to estimate cost for eleven New Zealand species programmes and their estimated costs over a ten year period. Differences between species in the costs of the programmes and the breakdown of the costs are highlighted. The estimated costs are compared with expected levels of exp

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Potvin, Corey K., Alan Shapiro, and Ming Xue. "Impact of a Vertical Vorticity Constraint in Variational Dual-Doppler Wind Analysis: Tests with Real and Simulated Supercell Data." Journal of Atmospheric and Oceanic Technology 29, no. 1 (2012): 32–49. http://dx.doi.org/10.1175/jtech-d-11-00019.1.

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Abstract One of the greatest challenges to dual-Doppler retrieval of the vertical wind is the lack of low-level divergence information available to the mass conservation constraint. This study examines the impact of a vertical vorticity equation constraint on vertical velocity retrievals when radar observations are lacking near the ground. The analysis proceeds in a three-dimensional variational data assimilation (3DVAR) framework with the anelastic form of the vertical vorticity equation imposed along with traditional data, mass conservation, and smoothness constraints. The technique is teste

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Mayorov, Alexander, Matteo Dal Peraro, and Luciano A. Abriata. "Active Site-Induced Evolutionary Constraints Follow Fold Polarity Principles in Soluble Globular Enzymes." Molecular Biology and Evolution 36, no. 8 (2019): 1728–33. http://dx.doi.org/10.1093/molbev/msz096.

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Abstract A recent analysis of evolutionary rates in >500 globular soluble enzymes revealed pervasive conservation gradients toward catalytic residues. By looking at amino acid preference profiles rather than evolutionary rates in the same data set, we quantified the effects of active sites on site-specific constraints for physicochemical traits. We found that conservation gradients respond to constraints for polarity, hydrophobicity, flexibility, rigidity and structure in ways consistent with fold polarity principles; while sites far from active sites seem to experience no physicochemical c

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Tama, Riffat Ara Zannat, and Md Mahmudul Hoque. "Exploring the Constraints and Factors in the Potential Adoption of Conservation Agriculture in Bangladesh." Asian Research Journal of Agriculture 18, no. 1 (2025): 342–62. https://doi.org/10.9734/arja/2025/v18i1669.

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Conservation agriculture (CA) is an alternative technique to conventional resource-intensive farming. It is advocated as a sustainable agricultural production approach for achieving improved land and labor productivity with minimal soil disturbance. Despite its proven benefits and widespread promotion from national and international agencies, the adoption rate of CA is substantially low among the farmers in many developing countries, including Bangladesh. This study explores perceived barriers for CA adoption in relation to farmers’ socioeconomic and demographic characteristics using data coll

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Yang, X., J. M. Gray, G. A. Chapman, and M. A. Young. "Soil landscape constraint mapping for coastal land use planning using geographic information system." Journal of Coastal Conservation 11, no. 3 (2007): 143–51. http://dx.doi.org/10.1007/s11852-008-0014-y.

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Luan, Tian-Cheng, Xin Wang, Jiacheng Ding, Qian Li, Xiao-Dong Li, and Weishan Zhu. "Recovering Cosmic Structure with a Simple Physical Constraint." Astrophysical Journal 983, no. 2 (2025): 166. https://doi.org/10.3847/1538-4357/adc1c6.

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Abstract Radio observation of the large-scale structure (LSS) of our Universe faces major challenges from foreground contamination, which is many orders of magnitude stronger than the cosmic signal. While other foreground removal techniques struggle with complex systematics, methods like foreground avoidance emerge as effective alternatives. However, this approach inevitably results in the loss of Fourier modes and a reduction in cosmological constraints. We present a novel method that, by enforcing the non-negativity of the observed field in real space, allows us to recover some of the lost i

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Jiang, Qin, Zhengtao Shi, Qiaoling Liang, Guangxiong He, Lei Zhao, and Li He. "Coupling RESI with Multi-Scenario LULC Simulation and Spatiotemporal Variability Analysis: An Ecological Spatial Constraint Approach." Sustainability 15, no. 22 (2023): 15757. http://dx.doi.org/10.3390/su152215757.

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Southwest China’s arid river valleys represent ecologically vulnerable areas with intense human activity. Understanding the historical changes in LULC and land cover and projecting the impacts of various development scenarios on future LULC have become crucial for regional spatial information management and territorial spatial planning. This research analyzes the land-use changes in the Yuanmou dry-hot valley over a 30-year span from 1990 to 2020. Building upon the PLUS model, we established a coupled habitat quality spatial and multi-scenario land-use simulation model. Four development scenar

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Li, Ming-zhou, Jie-min Zhou, Chang-ren Tong, Wen-hai Zhang, and He-song Li. "Mathematical model of whole-process calculation for bottom-blowing copper smelting." Metallurgical Research & Technology 115, no. 1 (2017): 107. http://dx.doi.org/10.1051/metal/2017078.

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The distribution law of materials in smelting products is key to cost accounting and contaminant control. Regardless, the distribution law is difficult to determine quickly and accurately by mere sampling and analysis. Mathematical models for material and heat balance in bottom-blowing smelting, converting, anode furnace refining, and electrolytic refining were established based on the principles of material (element) conservation, energy conservation, and control index constraint in copper bottom-blowing smelting. Simulation of the entire process of bottom-blowing copper smelting was establis

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Diouf, Mame Boucar, Ruth Festus, Gonçalo Silva, et al. "Viruses of Yams (Dioscorea spp.): Current Gaps in Knowledge and Future Research Directions to Improve Disease Management." Viruses 14, no. 9 (2022): 1884. http://dx.doi.org/10.3390/v14091884.

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Viruses are a major constraint for yam production worldwide. They hamper the conservation, movement, and exchange of yam germplasm and are a threat to food security in tropical and subtropical areas of Africa and the Pacific where yam is a staple food and a source of income. However, the biology and impact of yam viruses remains largely unknown. This review summarizes current knowledge on yam viruses and emphasizes gaps that exist in the knowledge of the biology of these viruses, their diagnosis, and their impact on production. It provides essential information to inform the implementation of

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Renvoisé, Elodie, Kathryn D. Kavanagh, Vincent Lazzari, et al. "Mechanical constraint from growing jaw facilitates mammalian dental diversity." Proceedings of the National Academy of Sciences 114, no. 35 (2017): 9403–8. http://dx.doi.org/10.1073/pnas.1707410114.

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Much of the basic information about individual organ development comes from studies using model species. Whereas conservation of gene regulatory networks across higher taxa supports generalizations made from a limited number of species, generality of mechanistic inferences remains to be tested in tissue culture systems. Here, using mammalian tooth explants cultured in isolation, we investigate self-regulation of patterning by comparing developing molars of the mouse, the model species of mammalian research, and the bank vole. A distinct patterning difference between the vole and the mouse mola

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Zheng, Huawei, Kunyu Lou, Yuanyuan Yang, Han Wang, and Yong Lu. "The Impact of Government Support and Social Networks on Peasants’ Effective Participation in High-Standard Farmland Construction: Evidence from Yancheng City, China." Land 12, no. 5 (2023): 955. http://dx.doi.org/10.3390/land12050955.

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The effective participation of peasants can raise the quality of high-standard farmland construction (HSFC) in China. How to avoid inefficient participation is an urgent issue that needs to be solved in the field of HSFC. However, the factors that influence peasants’ effective participation in the HSFC remains to be further studied. This study used factor analysis and a comprehensive evaluation method to calculate social networks and the level of peasants’ effective participation in HSFC based on a survey dataset of 347 peasants in Yancheng City, China. The influence of information support, in

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Frank, Steven. "The Price Equation Program: Simple Invariances Unify Population Dynamics, Thermodynamics, Probability, Information and Inference." Entropy 20, no. 12 (2018): 978. http://dx.doi.org/10.3390/e20120978.

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The fundamental equations of various disciplines often seem to share the same basic structure. Natural selection increases information in the same way that Bayesian updating increases information. Thermodynamics and the forms of common probability distributions express maximum increase in entropy, which appears mathematically as loss of information. Physical mechanics follows paths of change that maximize Fisher information. The information expressions typically have analogous interpretations as the Newtonian balance between force and acceleration, representing a partition between the direct c

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Ottaviani, Daniela, Giovanna Jona Lasinio, and Luigi Boitani. "Two statistical methods to validate habitat suitability models using presence-only data." Ecological Modelling 179, no. 4 (2004): 417–43. https://doi.org/10.5281/zenodo.13438144.

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(Uploaded by Plazi for the Bat Literature Project) Predicting species occurrence using a modelling approach based on a geographic information system (GIS) represents a new methodological tool which can be used to endorse conservation policies, on condition that models are tested for reliability. Habitat suitability models are often used to predict species occurrence through the modelling of proper environmental variables. A major constraint in building large-scale models of species distribution is the availability of data and therefore the deductive approach is adopted. This approach is suitab

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Ottaviani, Daniela, Giovanna Jona Lasinio, and Luigi Boitani. "Two statistical methods to validate habitat suitability models using presence-only data." Ecological Modelling 179, no. 4 (2004): 417–43. https://doi.org/10.5281/zenodo.13438144.

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(Uploaded by Plazi for the Bat Literature Project) Predicting species occurrence using a modelling approach based on a geographic information system (GIS) represents a new methodological tool which can be used to endorse conservation policies, on condition that models are tested for reliability. Habitat suitability models are often used to predict species occurrence through the modelling of proper environmental variables. A major constraint in building large-scale models of species distribution is the availability of data and therefore the deductive approach is adopted. This approach is suitab

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Ottaviani, Daniela, Giovanna Jona Lasinio, and Luigi Boitani. "Two statistical methods to validate habitat suitability models using presence-only data." Ecological Modelling 179, no. 4 (2004): 417–43. https://doi.org/10.5281/zenodo.13438144.

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(Uploaded by Plazi for the Bat Literature Project) Predicting species occurrence using a modelling approach based on a geographic information system (GIS) represents a new methodological tool which can be used to endorse conservation policies, on condition that models are tested for reliability. Habitat suitability models are often used to predict species occurrence through the modelling of proper environmental variables. A major constraint in building large-scale models of species distribution is the availability of data and therefore the deductive approach is adopted. This approach is suitab

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18

Ottaviani, Daniela, Giovanna Jona Lasinio, and Luigi Boitani. "Two statistical methods to validate habitat suitability models using presence-only data." Ecological Modelling 179, no. 4 (2004): 417–43. https://doi.org/10.5281/zenodo.13438144.

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(Uploaded by Plazi for the Bat Literature Project) Predicting species occurrence using a modelling approach based on a geographic information system (GIS) represents a new methodological tool which can be used to endorse conservation policies, on condition that models are tested for reliability. Habitat suitability models are often used to predict species occurrence through the modelling of proper environmental variables. A major constraint in building large-scale models of species distribution is the availability of data and therefore the deductive approach is adopted. This approach is suitab

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19

Ottaviani, Daniela, Giovanna Jona Lasinio, and Luigi Boitani. "Two statistical methods to validate habitat suitability models using presence-only data." Ecological Modelling 179, no. 4 (2004): 417–43. https://doi.org/10.5281/zenodo.13438144.

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(Uploaded by Plazi for the Bat Literature Project) Predicting species occurrence using a modelling approach based on a geographic information system (GIS) represents a new methodological tool which can be used to endorse conservation policies, on condition that models are tested for reliability. Habitat suitability models are often used to predict species occurrence through the modelling of proper environmental variables. A major constraint in building large-scale models of species distribution is the availability of data and therefore the deductive approach is adopted. This approach is suitab

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20

Nerattini, F., M. Figliuzzi, C. Cardelli, et al. "Identification of Protein Functional Regions." ChemPhysChem 21, no. 4 (2019): 335. https://doi.org/10.1002/cphc.201900898.

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Protein sequence stores the information relative to both functionality and stability, thus making it difficult to disentangle the two contributions. However, the identification of critical residues for function and stability has important implications for the mapping of the proteome interactions, as well as for many pharmaceutical applications, e. g. the identification of ligand binding regions for targeted pharmaceutical protein design. In this work, we propose a computational method to identify critical residues for protein functionality and stability and to further categorise them in strict

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Stuckey, William, Michael Silberstein, Timothy McDevitt, and Ian Kohler. "Why the Tsirelson Bound? Bub’s Question and Fuchs’ Desideratum." Entropy 21, no. 7 (2019): 692. http://dx.doi.org/10.3390/e21070692.

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To answer Wheeler’s question “Why the quantum?” via quantum information theory according to Bub, one must explain both why the world is quantum rather than classical and why the world is quantum rather than superquantum, i.e., “Why the Tsirelson bound?” We show that the quantum correlations and quantum states corresponding to the Bell basis states, which uniquely produce the Tsirelson bound for the Clauser–Horne–Shimony–Holt (CHSH) quantity, can be derived from conservation per no preferred reference frame (NPRF). A reference frame in this context is defined by a measurement configuration, jus

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Das, Pintu, Subhrajyoti Panda, Satarupa Modak, et al. "Exploring the Status, Prospects and Constraints of Riverbed Cultivation in Cooch Behar district of West Bengal, India." Ecology, Environment and Conservation 28 (2022): 219–25. http://dx.doi.org/10.53550/eec.2022.v28i07s.036.

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Riverbed farming is a sustainable, productivity-enhancing technology suitable for dissemination in other appropriate areas. It has been shown to be economically viable, environmentally sustainable, socially acceptable and technologically appropriate for landless and land-poor farmers in the Terai region. The study was conducted on five villages from three riverbed systems with 20 respondents from each village thereby totaling number of 100 respondents. The data were collected on information about riverbed cultivation, marketing of riverbed products, prospects of riverbed cultivation and constr

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Sang, Peidong, and Haona Yao. "Exploring Critical Success Factors for Green Housing Projects: An Empirical Survey of Urban Areas in China." Advances in Civil Engineering 2019 (December 9, 2019): 1–13. http://dx.doi.org/10.1155/2019/8746836.

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The trend of China’s construction industry has gradually shifted from traditional high-consumption to efficient green development mode to achieve the new goals of energy conservation, emission reduction, and sustainable development. The successful development of green housing (GH) has become a major strategic choice. Given the smooth implementation and delivery of GH projects, this study aimed to assess the impact of critical success factors (CSFs) on GH development by identifying controllable CSFs. Firstly, 20 controllable CSFs were identified through literature review. Secondly, the data col

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Raya-García, Ernesto, Taggert G. Butterfield, José Garrido, et al. "Life history and demography of the mud turtle Kinosternon chimalhuaca in a drainage ditch from an urban area in Jalisco, Mexico." Herpetological Journal 35, no. 1 (2025): 31–40. https://doi.org/10.33256/35.1.3140.

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The Jalisco mud turtle Kinosternon chimalhuaca is an endemic species from the Pacific coast of Jalisco and Colima states, Mexico. The species has been poorly studied and much of its natural history and ecology are unknown. We analysed the demography and basic reproductive ecology of a population inhabiting a canal in a peri-urban area on the coast of Jalisco, Mexico. We use a mark-capture-recapture dataset collected over four years (2019–2022) to perform multi-state and time-symmetric open models (Pradel) to calculate population growth, recapture and transition probabilities. A total of 530 tu

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Macías-Hernández, Nuria, Marc Domènech, Pedro Cardoso, et al. "Building a Robust, Densely-Sampled Spider Tree of Life for Ecosystem Research." Diversity 12, no. 8 (2020): 288. http://dx.doi.org/10.3390/d12080288.

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Phylogenetic relatedness is a key diversity measure for the analysis and understanding of how species and communities evolve across time and space. Understanding the nonrandom loss of species with respect to phylogeny is also essential for better-informed conservation decisions. However, several factors are known to influence phylogenetic reconstruction and, ultimately, phylogenetic diversity metrics. In this study, we empirically tested how some of these factors (topological constraint, taxon sampling, genetic markers and calibration) affect phylogenetic resolution and uncertainty. We built a

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Xie, Haibo, Zhengjiang Liu, Chengyong Yan, and Shibo Zhou. "Distributed Finite-Time Bipartite Consensus for Multiagent System with Event-Triggered Control." Mathematical Problems in Engineering 2020 (July 27, 2020): 1–8. http://dx.doi.org/10.1155/2020/4721218.

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This paper investigates the distributed finite-time event-triggered bipartite consensus control for multiagent systems over antagonistic networks. Under the constraint of energy conservation, a distributed nonlinear finite-time control protocol only depending upon local information is proposed coupled with event-triggered strategies, where controllers of agents at triggered instants are only updated to reduce the computation. It is proved that when the antagonistic network is structurally balanced with a spanning tree, a necessary and sufficient condition is established to guarantee all agents

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Bartke, Stephan, and Reimund Schwarze. "The Economic Role and Emergence of Professional Valuers in Real Estate Markets." Land 10, no. 7 (2021): 683. http://dx.doi.org/10.3390/land10070683.

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Land is a scarce resource. It is usually traded as real estate, an economic good with a market value. Often, this market value is not negotiated simply between the seller and the potential buyer, but is based on an assessment performed by a professional valuer, known as a surveyor or appraiser. This article questions the economic role and the emergence of valuers in real estate markets. An institutionally embedded framework for valuation intermediation is developed that elucidates a multi-tiered imperfect information cascade. First, valuers are understood as middlemen, counteracting informatio

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Liyanaarachchi, L. A. T. S., J. K. S. Sankalpa, P. G. N. Ishani, et al. "Annual soil loss assessment of smallholder rubber growing lands in the Kalutara District, Sri Lanka using the RUSLE model in GIS." Journal of the Rubber Research Institute of Sri Lanka 102, no. 1 (2022): 43–54. http://dx.doi.org/10.4038/jrrisl.v102i1.1913.

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Soil loss resulting from various land management practices in traditional rubber-growing areas of Sri Lanka has been a major issue of concern and one of the factors responsible for declining rubber land productivity. There is no or limited information on the spatial variability of soil loss from rubber lands in Sri Lanka's traditional rubber growing areas. This constraint has had a significant impact on the effective management of soil conservation in rubber-growing lands. This study focuses on assessing the soil loss from the smallholder rubber-growing lands in the Kalutara District using rem

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Santiago-Cruz, Tomás, Sylvain D. Gennaro, Oleg Mitrofanov, et al. "Resonant metasurfaces for generating complex quantum states." Science 377, no. 6609 (2022): 991–95. http://dx.doi.org/10.1126/science.abq8684.

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Quantum state engineering, the cornerstone of quantum photonic technologies, mainly relies on spontaneous parametric downconversion and four-wave mixing, where one or two pump photons spontaneously decay into a photon pair. Both of these nonlinear effects require momentum conservation for the participating photons, which strongly limits the versatility of the resulting quantum states. Nonlinear metasurfaces have subwavelength thickness and allow the relaxation of this constraint; when combined with resonances, they greatly expand the possibilities of quantum state engineering. Here, we generat

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Liu, Peng, Song Zhang, Jian Qiu, Xingfa Shen, and Jianhui Zhang. "A redistribution method to conserve data in isolated energy-harvesting sensor networks." Computer Science and Information Systems 8, no. 4 (2011): 1009–25. http://dx.doi.org/10.2298/csis110420066l.

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In ambient monitoring applications, the sensing field may be so far away from the data center that causes the direct relay routes between the sensor network and the data center impossible. Typically, in such isolated sensor network, data is stored in a distributed manner and collected by data mule. To improve the efficiency, sensed data is normally stored near the area where the mule will pass by with respect to storage limitation. However, previous researches didn?t consider the energy constraint and energy harvesting capability of nodes. The purpose of this paper is to design a solution for

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Gao, Xiaoyang, and Tieshan Li. "Dynamic Positioning Control for Marine Crafts: A Survey and Recent Advances." Journal of Marine Science and Engineering 12, no. 3 (2024): 362. http://dx.doi.org/10.3390/jmse12030362.

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This paper surveys the recent advances in dynamic positioning (DP) control for marine crafts. DP of marine crafts means that a craft can maintain a fixed position and heading, or move along a predetermined trajectory slowly without the anchoring system, using only its own thruster system to counteract ocean disturbances. The survey is by no means exhaustive but provides a survey of some of the major technological advancements in DP controller design over the years of research and development. Firstly, the model of marine crafts and some difficult problems in DP control are introduced including

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Asperti, Andrea, and Stefano Dal Bianco. "Syllabification of the Divine Comedy." Journal on Computing and Cultural Heritage 14, no. 3 (2021): 1–26. http://dx.doi.org/10.1145/3459011.

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We provide a syllabification algorithm for the Divine Comedy using techniques from probabilistic and constraint programming. We particularly focus on the synalephe , addressed in terms of the "propensity" of a word to take part in a synalephe with adjacent words. We jointly provide an online vocabulary containing, for each word, information about its syllabification, the location of the tonic accent, and the aforementioned synalephe propensity, on the left and right sides. The algorithm is intrinsically nondeterministic, producing different possible syllabifications for each verse, with differ

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Shehada, Ziad M. M., Naziaty Mohd Yaacob, and Nila Inangda Manyam Keumala. "Integrated management structure for cultural heritage in Palestine." Journal of Cultural Heritage Management and Sustainable Development 5, no. 3 (2015): 224–47. http://dx.doi.org/10.1108/jchmsd-12-2013-0050.

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Purpose – The purpose of this paper is to develop an integrated management structure for the identification and evaluation of Palestine’s heritage, although the unending Israeli occupation poses a huge, multi-faceted constraint. Necessarily, the approach chosen considers aptly the local culture, values, dynamics and context, assimilating the significance of a broader range of different, diverse historical and cultural resources with a variety of meanings, tangible and otherwise, across various sections of the population. Design/methodology/approach – A multi-technique strategy emphasized the c

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Migliorini, Sara, Elisa Quintarelli, and Alberto Belussi. "Tracking Data Provenance of Archaeological Temporal Information in Presence of Uncertainty." Journal on Computing and Cultural Heritage 15, no. 2 (2022): 1–32. http://dx.doi.org/10.1145/3480956.

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The interpretation process is one of the main tasks performed by archaeologists who, starting from ground data about evidences and findings, incrementally derive knowledge about ancient objects or events. Very often more than one archaeologist contributes in different time instants to discover details about the same finding and thus, it is important to keep track of history and provenance of the overall knowledge discovery process. To this aim, we propose a model and a set of derivation rules for tracking and refining data provenance during the archaeological interpretation process. In particu

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Jillo, Rufo Gano, Michael M. Okeyo, Bernard Kamondo, Jane Njehu, and Arnold O. Mosongo. "Validating the Viability of Melia volkensii Stored Seeds and Nuts in Promoting Nature-Based Enterprises and Conservation in Drylands, Kenya." East African Journal of Forestry and Agroforestry 6, no. 1 (2023): 98–112. http://dx.doi.org/10.37284/eajfa.6.1.1131.

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The development and supply of superior germplasm are important for promoting tree planting. Kenya has lost many tree seed sources through deforestation, land degradation, forest encroachment and conversion of agricultural land to housing. Nevertheless, limited access to tree seeds of high quality is the major constraint to sustainable tree production in Kenya and proper information on the storability of extracted seeds needs to be improved. Melia volkensii tree species is highly valued in the drylands of Kenya for tremendous roles in social-economic, ecological, and environmental protection an

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Cöster, Maxi, Heike Biebermann, Torsten Schöneberg, and Claudia Stäubert. "Evolutionary Conservation of 3-Iodothyronamine as an Agonist at the Trace Amine-Associated Receptor 1." European Thyroid Journal 4, Suppl. 1 (2015): 9–20. http://dx.doi.org/10.1159/000430839.

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Objectives: The trace amine-associated receptor 1 (Taar1) is a Gs protein-coupled receptor activated by trace amines, such as β-phenylethylamine (β-PEA) and 3-iodothyronamine (T1AM). T1AM is an endogenous biogenic amine and thyroid hormone derivative that exerts several biological functions. However, the physiological relevance of T1AM acting via Taar1 is still under discussion. Therefore, we studied the structural and functional evolution of Taar1 in vertebrates to provide evidence for a conserved Taar1-mediated T1AM function. Study Design: We searched public sequence databases to retrieve Ta

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Rodrigues, Pedro João, Walter Gomes, and Maria Alice Pinto. "DeepWings©: Automatic Wing Geometric Morphometrics Classification of Honey Bee (Apis mellifera) Subspecies Using Deep Learning for Detecting Landmarks." Big Data and Cognitive Computing 6, no. 3 (2022): 70. http://dx.doi.org/10.3390/bdcc6030070.

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Honey bee classification by wing geometric morphometrics entails the first step of manual annotation of 19 landmarks in the forewing vein junctions. This is a time-consuming and error-prone endeavor, with implications for classification accuracy. Herein, we developed a software called DeepWings© that overcomes this constraint in wing geometric morphometrics classification by automatically detecting the 19 landmarks on digital images of the right forewing. We used a database containing 7634 forewing images, including 1864 analyzed by F. Ruttner in the original delineation of 26 honey bee subspe

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Zoghbi-Rodríguez, Normig M., Samuel David Gamboa-Tuz, Alejandro Pereira-Santana, Luis C. Rodríguez-Zapata, Lorenzo Felipe Sánchez-Teyer, and Ileana Echevarría-Machado. "Phylogenomic and Microsynteny Analysis Provides Evidence of Genome Arrangements of High-Affinity Nitrate Transporter Gene Families of Plants." International Journal of Molecular Sciences 22, no. 23 (2021): 13036. http://dx.doi.org/10.3390/ijms222313036.

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Nitrate transporter 2 (NRT2) and NRT3 or nitrate-assimilation-related 2 (NAR2) proteins families form a two-component, high-affinity nitrate transport system, which is essential for the acquisition of nitrate from soils with low N availability. An extensive phylogenomic analysis across land plants for these families has not been performed. In this study, we performed a microsynteny and orthology analysis on the NRT2 and NRT3 genes families across 132 plants (Sensu lato) to decipher their evolutionary history. We identified significant differences in the number of sequences per taxonomic group

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Beaudreau, Anne H., and Timothy E. Essington. "Development of a new field-based approach for estimating consumption rates of fishes and comparison with a bioenergetics model for lingcod (Ophiodon elongatus)." Canadian Journal of Fisheries and Aquatic Sciences 66, no. 4 (2009): 565–78. http://dx.doi.org/10.1139/f09-021.

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Development of quantitative tools to characterize the nature of predator–prey interactions is an essential component of the science supporting ecosystem-based management and conservation. A common constraint is our capacity to estimate the feeding rates of fishes at the temporal and spatial scales at which predation occurs. This study developed a new field-based modeling approach for estimating consumption rates of large predatory fishes that requires fewer assumptions and may be more flexible than other field-based methods. We compared the field-based model results with consumption estimates

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Meghraoui, Maamar, Mohamed Habi, Boutkhil Morsli, Mohamed Regagba, and Abdelhakim Seladji. "Mapping of soil erodibility and assessment of soil losses using the RUSLE model in the Sebaa Chioukh Mountains (northwest of Algeria)." Journal of Water and Land Development 34, no. 1 (2017): 205–13. http://dx.doi.org/10.1515/jwld-2017-0055.

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Abstract In Algeria, erosion and solid transport constitute a major constraint to the development of agriculture and to the management of hydrotechnical works (more than 20% are silted). Due to the irregular rains that characterize the Mediterranean semi-arid zones, the topography of the mountainous areas, the fragility of the soils, the absence of vegetation cover and the inappropriate cropping systems, the Sabaa Chioukh Mountains shows a dissected topography, frequent and violent floods. It is therefore absolutely important and crucial to assess, spatially and quantitatively, the effects of

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Ruffini, Giulio, Francesca Castaldo, and Jakub Vohryzek. "Structured Dynamics in the Algorithmic Agent." Entropy 27, no. 1 (2025): 90. https://doi.org/10.3390/e27010090.

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In the Kolmogorov Theory of Consciousness, algorithmic agents utilize inferred compressive models to track coarse-grained data produced by simplified world models, capturing regularities that structure subjective experience and guide action planning. Here, we study the dynamical aspects of this framework by examining how the requirement of tracking natural data drives the structural and dynamical properties of the agent. We first formalize the notion of a generative model using the language of symmetry from group theory, specifically employing Lie pseudogroups to describe the continuous transf

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CHA, Sangkwon. "Financial Constraint and Conditional Conservatism." Asia Europe Perspective Association 18, no. 2 (2021): 159–83. https://doi.org/10.31203/aepa.2021.18.2.008.

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This study examines the relationship between financial constraints and conditional conservatism. Previous studies pointed out that the greater the financial constraints, the greater the involvement of managers in financial reporting, and tax avoidance to create cash flows within the firm is performed, which can intensify information asymmetry. It was pointed out that the greater the financial constraints, the greater the plunge in share prices, which can occur due to the fact that managers do not timely include bad news about the company in their financial statements for additional financing.

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Dhawan, Geetu, Arka P. Mazumdar, and Yogesh K. Meena. "PoSiF: A Transient Content Caching and Replacement Scheme for ICN-IoT." Wireless Communications and Mobile Computing 2023 (November 29, 2023): 1–18. http://dx.doi.org/10.1155/2023/8358438.

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Efficient data management plays a critical role in facilitating smooth communication and optimizing resource utilization within the rapidly growing ecosystem of the internet of things (IoT), which creates vast amounts of content. The emergence of Information-Centric Networking (ICN) has positioned it as a promising paradigm for facilitating IoT applications, as it prioritizes content-centric communication. This inherent characteristic of ICN has the potential to greatly improve the performance of IoT systems through the reduction of latency, conservation of network capacity, and enhancement of

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Honorio, Fulgencio, Cristina Aguirado, Luis L. Paniagua, Abelardo García-Martín, Lourdes Rebollo, and Francisco J. Rebollo. "Exploring the Climate and Topography of Olive Orchards in Extremadura, Southwestern Spain." Land 13, no. 4 (2024): 495. http://dx.doi.org/10.3390/land13040495.

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The olive tree is a significant woody crop in the Mediterranean basin, with the primary olive-growing areas located in the south and southwest of the Iberian Peninsula. Climate plays a crucial role in crop distribution, viability, production, and yield. The climatic and topographical conditions of Extremadura in southwestern Spain, were analysed to characterise and group the olive-growing areas. To achieve this, a Geographic Information System (GIS) was developed to locate all registered olive tree plots. The orientations and elevations of these were analysed, along with the average, minimum,

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Zhao, Yan, Bangyou Zheng, Scott C. Chapman, et al. "Detecting Sorghum Plant and Head Features from Multispectral UAV Imagery." Plant Phenomics 2021 (October 1, 2021): 1–14. http://dx.doi.org/10.34133/2021/9874650.

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In plant breeding, unmanned aerial vehicles (UAVs) carrying multispectral cameras have demonstrated increasing utility for high-throughput phenotyping (HTP) to aid the interpretation of genotype and environment effects on morphological, biochemical, and physiological traits. A key constraint remains the reduced resolution and quality extracted from “stitched” mosaics generated from UAV missions across large areas. This can be addressed by generating high-quality reflectance data from a single nadir image per plot. In this study, a pipeline was developed to derive reflectance data from raw mult

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Lowenthal, David. "Why Sanctions Seldom Work: Reflections on Cultural Property Internationalism." International Journal of Cultural Property 12, no. 3 (2005): 393–423. http://dx.doi.org/10.1017/s0940739105050216.

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Heritage piety departs ever farther from reality. High-minded admonitions broaden the gulf between what happens to cultural property and what virtuous stewards feel should happen. Ever more of our patrimony gets looted, destroyed, mutilated, shorn of context, hidden from scrutiny, inadequately stored, poorly conserved, eBayed. Merryman cites three causes: the animus of UNESCO and archaeology against marketing cultural property, the sanguine view that trafficking abuse can be quashed by state fiat and moral suasion, and excessive constraint against heritage export by blanket diktats from source

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Jakimavičiūtė-Maselienė, Vaidotė, Jonas Mažeika, and Rimantas Petrošius. "MODELLING OF COUPLED GROUNDWATER FLOW AND RADIONUCLIDE TRANSPORT IN CRYSTALLINE BASEMENT USING FEFLOW 5.0." JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT 14, no. 2 (2006): 101–12. http://dx.doi.org/10.3846/16486897.2006.9636886.

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The strategy of radioactive waste management of Lithuania provides for evaluating the possibilities of disposal of spent nuclear fuel and long‐lived radioactive waste originated from Ignalina NPP in deep geological formations. The initial studies performed in Lithuania during 2001–2004 focused on screening of all potentially prospective geological formations as host formations. Since most information is available on crystalline basement, this formation was selected for the model case studies. Taking into account the assumptions (canister defect scenario proposed by Swedish experts and evaluate

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Li, Zhenqiang, Jialin Li, Jie Li, et al. "Monitoring Anthropogenically Disturbed Parcels with Soil Erosion Dynamics Change Based on an Improved SegFormer." Remote Sensing 16, no. 23 (2024): 4494. https://doi.org/10.3390/rs16234494.

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Amidst burgeoning socioeconomic development, anthropogenic activities have exacerbated soil erosion. This erosion, characterized by its brief duration, high frequency, and considerable environmental degradation, presents a major challenge to ecological systems. Therefore, it is imperative to regulate and remediate erosion–prone, anthropogenically disturbed parcels, with dynamic change detection (CD) playing a crucial role in enhancing management efficiency. Currently, traditional methods for change detection, such as field surveys and visual interpretation, suffer from time inefficiencies, com

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Farghally, Hanaa M., Emad A. Sweelem, Mohamed I. Abu El-Sebah, and Fathy A. Syam. "Agricultural Grid Connected Photovoltaic System Design and Simulation in Egypt by using PVSYST Software." WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS 21 (December 31, 2022): 306–15. http://dx.doi.org/10.37394/23201.2022.21.33.

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Agricultural Photovoltaic Systems are a key technology to achieve sustainable development goals by reducing competition between land for food and electricity. In addition, Agricultural Photovoltaic Systems are at the heart of the link between power generation, crop production and irrigation water conservation. The main ecophysiological constraint on crop production under photovoltaics is the reduction of light. It is difficult to recommend shade tolerance for some plant varieties due to insufficient information on shading conditions for most plants. The use of shading panels (photovoltaic pane

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Farghally, Hanaa M., Emad A. Sweelem, Mohamed I. Abu El-sebah, and Fathy A. Syam. "Agricultural Grid Connected Photovoltaic System Design and Simulation in Egypt by using PVSYST Software." International Journal of Applied Sciences & Development 2 (April 10, 2023): 12–20. http://dx.doi.org/10.37394/232029.2023.2.2.

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Agricultural Photovoltaic Systems are a key technology to achieve sustainable development goals by reducing competition between land for food and electricity. In addition, Agricultural Photovoltaic Systems are at the heart of the link between power generation, crop production and irrigation water conservation. The main ecophysiological constraint on crop production under photovoltaics is the reduction of light. It is difficult to recommend shade tolerance for some plant varieties due to insufficient information on shading conditions for most plants. The use of shading panels (photovoltaic pane

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