scholarly journals Sustainable Ship Management Post COVID-19 with In-Ship Positioning Services

2021 ◽  
Vol 14 (1) ◽  
pp. 369
Author(s):  
Qianfeng Lin ◽  
Jooyoung Son
Keyword(s):  
Sustainable Management ◽  
Clustering Algorithm ◽  
Close Contact ◽  
Indoor Positioning ◽  
Management Approach ◽  
Risk Area ◽  
Ship Management ◽  
Passenger Ships ◽  
Convex Hull Algorithm ◽  
First Time

COVID-19 is spreading out in the world now. Passenger ships such as cruise ships are very critical in this situation. Boats’ hazardous areas need to be identified in advance and managed carefully to prevent the virus. Therefore, this paper proposes for the first time that three technologies are required to support the sustainable management of ships in the post-COVID-19 era. They are ship indoor positioning, close contact identification, and risk area calculation. Ship environment-aware indoor positioning algorithms are proposed for the first time for the moving ship environment, followed by a clustering algorithm for close contact identification. Then, the risk area is calculated using the convex hull algorithm. Finally, a sustainable management approach for ships post COVID-19 is proposed.

Challenges of the Blackwood Basin, Western Australia

2001 ◽  
Vol 43 (9) ◽  
pp. 37-44 ◽  
Author(s):  
S. Ecker ◽  
A. Karafilis ◽  
R. Taylor
Keyword(s):  
Sustainable Management ◽  
Action Planning ◽  
River Management ◽  
Management Approach ◽  
Catchment Management ◽  
Riparian Restoration ◽  
Research Education ◽  
Remnant Vegetation ◽  
High Conservation ◽  
Study Zone

Growing concern about the declining state of the catchment and river led to the formation of the Blackwood Basin Group in 1992. Funded primarily by the Natural Heritage Trust and using the river as the focus, the group aims to provide leadership and support to achieve sustainable management of natural resources in the catchment. Through an Integrated Catchment Management approach, the Blackwood Basin Group has managed a range of projects to improve the community's understanding and management of the Blackwood River and its catchment. A number of research, education, demonstration and on-ground action activities relating to river management have been undertaken in partnership with community and local, state and federal government organisations. Activities include demonstrations and evaluations of riparian restoration, funding riparian restoration activities, protection of high conservation value remnant vegetation, a flood risk study, zone action planning and monitoring the condition of the river and its tributaries.

Use of additives to improve bonding strength of the adhesive prepared from used polymer: Sustainable management approach

2021 ◽  
Author(s):  
Appala Naidu Uttaravalli ◽  
Srikanta Dinda ◽  
Bhaskar Bethi ◽  
BVS Praveen ◽  
Bhanu Radhika Gidla
Keyword(s):  
Bonding Strength ◽  
Sustainable Management ◽  
Management Approach

scholarly journals Synanthedon mesiaeformis (Herrich-Schäffer) new to the Czech Republic and to Spain (Lepidoptera: Sesiidae)

2008 ◽  
Vol 56 (5) ◽  
pp. 141-146 ◽  
Author(s):  
Zdeněk Laštůvka ◽  
Aleš Laštůvka
Keyword(s):  
Czech Republic ◽  
Close Contact ◽  
Morphological Characters ◽  
Habitat Requirements ◽  
Specific Population ◽  
The Czech Republic ◽  
Southern France ◽  
History Of ◽  
First Time ◽  
The Town

Synanthedon mesiaeformis (Herrich-Schäffer, 1846) has been found in the Czech Republic and in Spain for the first time. The species was found in the south-easternmost part of the Czech Republic, near the town of Břeclav (faunistic quadrat 7267) in May 2008. The holes and pupae were found only in one, solitary growing group of trees about 20 years old. This finding place lies at a distance of more than 250 km from the localities in SW Hungary and about 550 km from the localities in eastern Poland. In June 2008, the species was found also in alders growing in the flat river alluvium on gravel sands between La Jonquera and Figueres in northern Catalonia. This locality is in a close contact with the fin­ding places near Perpignan and Beziers in southern France. The diagnostic morphological characters and bionomics of this species are briefly summarized and figured. The history of its distribution research is recapitulated and the causes of its disjunct range are discussed as follows. The present disjunct range represents a residual of the former distribution over the warmer and moister postglacial period; landscape modifications and elimination of solitary alder trees as „weeds“ from the 18th up to the mid-20th century in large areas of Europe; narrow and partly unknown habitat requirements and specific population ethology; an insufficient level of faunistic investigations in several parts of sou­thern and eastern Europe.

Urban Green Spaces for Sustainable Community Development

2019 ◽  
pp. 271-287 ◽  
Author(s):  
José G. Vargas-Hernández ◽  
Karina Pallagst ◽  
Justyna Anna Zdunek-Wielgołaska
Keyword(s):  
Community Development ◽  
Strategic Management ◽  
Sustainable Management ◽  
Point Of View ◽  
Green Spaces ◽  
Future Research ◽  
Management Approach ◽  
Management Innovation ◽  
Urban Green ◽  
Urban Green Spaces

This chapter aims to analyze the strategic management innovation in sustainable management of urban green spaces for neighborhood and community development. The report is intended to review the available theoretical and empirical literature on urban green spaces in the main related topics of community and neighborhood development, sustainable management, and strategic management innovation. The research methods employed are the analytical from a functionalist approach moving later into the critical analysis and finally from a holistic or integrative point of view. Finally, this chapter adopts a provocative and prescriptive strategic management approach of urban green spaces by presenting some research gaps and suggesting future research.

scholarly journals A Novel Clustering Algorithm for Wi-Fi Indoor Positioning

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 122428-122434 ◽  
Author(s):  
Jin Ren ◽  
Yunan Wang ◽  
Changliu Niu ◽  
Wei Song ◽  
Songyang Huang
Keyword(s):  
Clustering Algorithm ◽  
Indoor Positioning

scholarly journals Nearest-Neighbour-Induced Isolation Similarity and Its Impact on Density-Based Clustering

2019 ◽  
Vol 33 ◽  
pp. 4755-4762 ◽  
Author(s):  
Xiaoyu Qin ◽  
Kai Ming Ting ◽  
Ye Zhu ◽  
Vincent CS Lee
Keyword(s):  
Clustering Algorithm ◽  
Distance Measure ◽  
Nearest Neighbour ◽  
Density Peak ◽  
Density Based Clustering ◽  
New Type ◽  
Density Peak Clustering ◽  
The Impact ◽  
First Time ◽  
Tree Method

A recent proposal of data dependent similarity called Isolation Kernel/Similarity has enabled SVM to produce better classification accuracy. We identify shortcomings of using a tree method to implement Isolation Similarity; and propose a nearest neighbour method instead. We formally prove the characteristic of Isolation Similarity with the use of the proposed method. The impact of Isolation Similarity on densitybased clustering is studied here. We show for the first time that the clustering performance of the classic density-based clustering algorithm DBSCAN can be significantly uplifted to surpass that of the recent density-peak clustering algorithm DP. This is achieved by simply replacing the distance measure with the proposed nearest-neighbour-induced Isolation Similarity in DBSCAN, leaving the rest of the procedure unchanged. A new type of clusters called mass-connected clusters is formally defined. We show that DBSCAN, which detects density-connected clusters, becomes one which detects mass-connected clusters, when the distance measure is replaced with the proposed similarity. We also provide the condition under which mass-connected clusters can be detected, while density-connected clusters cannot.

scholarly journals Gut mucosal virome alterations in ulcerative colitis

Gut ◽  
2019 ◽  
Vol 68 (7) ◽  
pp. 1169-1179 ◽  
Author(s):  
Tao Zuo ◽  
Xiao-Juan Lu ◽  
Yu Zhang ◽  
Chun Pan Cheung ◽  
Siu Lam ◽  
...  
Keyword(s):  
Clustering Algorithm ◽  
Intestinal Inflammation ◽  
Rectal Mucosa ◽  
Significant Loss ◽  
Healthy Controls ◽  
Virus Like Particle ◽  
Geographical Regions ◽  
Viral Communities ◽  
First Time ◽  
Gut Microbiota Dysbiosis

ObjectiveThe pathogenesis of UC relates to gut microbiota dysbiosis. We postulate that alterations in the viral community populating the intestinal mucosa play an important role in UC pathogenesis. This study aims to characterise the mucosal virome and their functions in health and UC.DesignDeep metagenomics sequencing of virus-like particle preparations and bacterial 16S rRNA sequencing were performed on the rectal mucosa of 167 subjects from three different geographical regions in China (UC=91; healthy controls=76). Virome and bacteriome alterations in UC mucosa were assessed and correlated with patient metadata. We applied partition around medoids clustering algorithm and classified mucosa viral communities into two clusters, referred to as mucosal virome metacommunities 1 and 2.ResultsIn UC, there was an expansion of mucosa viruses, particularly Caudovirales bacteriophages, and a decrease in mucosa Caudovirales diversity, richness and evenness compared with healthy controls. Altered mucosal virome correlated with intestinal inflammation. Interindividual dissimilarity between mucosal viromes was higher in UC than controls. Escherichia phage and Enterobacteria phage were more abundant in the mucosa of UC than controls. Compared with metacommunity 1, metacommunity 2 was predominated by UC subjects and displayed a significant loss of various viral species. Patients with UC showed substantial abrogation of diverse viral functions, whereas multiple viral functions, particularly functions of bacteriophages associated with host bacteria fitness and pathogenicity, were markedly enriched in UC mucosa. Intensive transkingdom correlations between mucosa viruses and bacteria were significantly depleted in UC.ConclusionWe demonstrated for the first time that UC is characterised by substantial alterations of the mucosa virobiota with functional distortion. Enrichment of Caudovirales bacteriophages, increased phage/bacteria virulence functions and loss of viral-bacterial correlations in the UC mucosa highlight that mucosal virome may play an important role in UC pathogenesis.

Severe Trombiculiasis in Hunting Dogs Infested With Neotrombicula inopinata (Acari: Trombiculidae)

2019 ◽  
Vol 56 (5) ◽  
pp. 1389-1394 ◽  
Author(s):  
M Areso Apesteguía ◽  
J B Areso Portell ◽  
N Halaihel Kassab ◽  
M J Gracia Salinas
Keyword(s):  
Clinical Symptoms ◽  
Mite Species ◽  
Clinical Findings ◽  
Risk Area ◽  
Hunting Dogs ◽  
Natural Park ◽  
Large Numbers ◽  
La Rioja ◽  
First Time ◽  
Fast Acting

Abstract This study records the clinical findings in nine hunting dogs showing systemic illness associated with trombiculids and identifies the mite species involved. In fall, coinciding with the seasonality of mites, all dogs were infested with mites and had been in the risk area (Sierra Cebollera Natural Park, La Rioja, Spain) a few hours before the onset of symptoms. The symptoms included vomiting, anorexia, weakness and lethargy, diarrhea, and even stupor. The clinical picture was fast-acting and potentially fatal. The infestations varied from low to severe. Molecular analysis of mites that fed on the dogs confirmed that they were larvae of Neotrombicula inopinata (Oudemans, Acari, Trombiculidae). This is the first time that N. inopinata has been identified as feeding on dogs and implicated in canine systemic illness associated with trombiculids. In contrast to other chiggers, N. inopinata does not seem to cause dermatitis. Likewise, the clinical and epidemiological similarity between the clinical symptoms we describe herein and the occurrence of seasonal canine illness (SCI) led us to suspect that this illness may be caused by infestation with these mites. The condition could be the consequence of severe infestation from large numbers of feeding mites, especially N. inopinata. Whether or not the cases were due to a severe allergic host response to salivary proteins or the result of the transmission of a new or emerging trombiculid-borne pathogen is not known.

The Research of Key Factors Influencing Ecological Civilization Consciousness of College Students Based on Ant Colony Clustering Algorithm

2014 ◽  
Vol 472 ◽  
pp. 894-898
Author(s):  
Wen Jiao Xing ◽  
Xue Hua Zhang ◽  
Hong Wei Zhang
Keyword(s):  
College Students ◽  
Clustering Algorithm ◽  
Well Being ◽  
Ant Colony ◽  
Human Consciousness ◽  
Key Factors ◽  
Ecological Civilization ◽  
Ant Colony Clustering ◽  
First Time

Ecological civilization construction is related to not only peoples well-being, but also the long term plan of a countrys development and revitalization. This research applied ant colony clustering algorithm to study the feasibility and key factors of ecological civilization promotion in the college students It is the first time that quantitative method was introduced into the human consciousness research. The results show that college students have known the situation of resources and environmental problems well, which is a advantage for the promotion of ecological civilization concept. However, the role that colleges play in ecological civilization promotion has not performed fully. And above two items are the key factors to promote ecological civilization promotion.

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