Pub Date : 2023-07-29DOI: 10.33330/j-com.v3i2.2538
Yuli Agustina, Havid Syafwan, Masitah Handayani
Abstract: One of the very dangerous and unacceptable crimes is called criminality, which is related to the morals of society, is detrimental to society, and violates the law. In this case, the law enforcers, namely the police, play an essential role in dealing with crimes in society. The crimes that often occur are cases of theft which can be divided into three forms, namely motor vehicle theft (Curanmor), Theft with Weighting (Curat), and Theft with Violence (Curas). As for the Satreskrim Polres Asahan sub-section of Crime and Violence, in this case, they want to provide information to the public about places or locations prone to crime, so an application is made that will help the people in obtaining information about crime-prone areas which can later be used to prevent and monitor these crimes. This study uses a Geographic Information System (GIS), which is part of knowledge based on computer software that is utilized to present information in digital form and analyze the earth's geography to form spatial information. This study aims to apply web-based geographic information in providing information on crime-prone locations in Kisaran City and later to assist the public in obtaining information on crime-prone sites in Kisaran City. The results of this web-based GIS can help and facilitate the community and users in knowing crime-prone locations in the City of Kisaran in knowing crime-prone places or locations at the Asahan Police Criminal Investigation Unit.
Keywords: GIS; criminality; polres asahan; kisaran city Abstrak: Salah satu tindak kejahatan yang sangat membahayakan dan tidak bisa diterima disebut dengan kriminalitas yang berhubungan dengan moral masyarakat, merugikan masyarakat, dan melanggar hukum. Adapun tindak kejahatan yang sering terjadi berupa kasus pencurian yang dapat dibagi dalam 3 bentuk yaitu pencurian kendaraan bermotor (Curanmor), Pencurian dengan Pemberatan (Curat), dan Pencurian dengan Kekerasan (Curas). Adapun pihak Satreskrim Polres Asahan sub bagian Jatanras dalam hal ini ingin memberikan informasi kepada masyarakat mengenai tempat atau lokasi rawan kriminalitas, sehingga dibuatlah sebuah aplikasi yang nantinya akan membantu masyarakat dalam mendapatkan informasi mengenai lokasi rawan kriminalitas yang nantinya dapat digunakan dalam mencegah dan memantau tindak kriminalitas tersebut. Penelitian ini menggunakan Sistem Informasi Geografi (SIG) yang merupakan bagian dari pengetahuan berdasarkan pada perangkat lunak komputer yang dimanfaatkan dalam menyajikan informasi dalam bentuk digital dan analisa terhadap geografis bumi sehingga membentuk suatu informasi keruangan. Tujuan penelitian ini menerapkan informasi geografis berbasis web dalam memberikan informasi lokasi-lokasi rawan kriminalitas di Kota Kisaran dan nantinya membantu masyarakat dalam mendapatkan informasi lokasi rawan kriminalitas di Kota Kisaran. Hasil dari SIG berbasis web ini dapat membantu dan memudahkan masyarakat dan user dalam mengetahui titik
摘要:犯罪是一种非常危险和不可接受的犯罪行为，它涉及社会道德，危害社会，违反法律。在这种情况下，执法人员，即警察，在处理社会犯罪方面发挥着至关重要的作用。经常发生的犯罪是盗窃案件，可以分为三种形式，即机动车盗窃(Curanmor)、加权盗窃(Curat)和暴力盗窃(Curas)。至于Satreskrim Polres Asahan的犯罪与暴力分科，在这种情况下，他们希望向公众提供有关容易发生犯罪的地方或地点的信息，因此提出了一个应用程序，以帮助人们获得有关容易发生犯罪的地区的信息，这些信息以后可以用来预防和监控这些犯罪。本研究使用地理信息系统(Geographic Information System, GIS)，它是基于计算机软件的知识的一部分，用于将信息以数字形式呈现，并对地球地理进行分析，形成空间信息。这项研究的目的是应用基于网络的地理信息，提供基萨兰市易发生犯罪地点的信息，然后协助公众获取基萨兰市易发生犯罪地点的信息。这一基于网络的地理信息系统的结果可以帮助和便利社区和用户了解基萨兰市容易发生犯罪的地点，了解容易发生犯罪的地点或阿萨罕警察刑事调查股的地点。& # x0D;关键词:地理信息系统;犯罪行为;polres asahan;摘要:Salah satu tindak kejahatan yang sangat membahayakan dan tidak bisa diterima disebut dengan criminalitas yang berhubungan dengan moral masyarakat, merugikan masyarakat, dan melanggar hukum。Adapun tindak kejahatan yang sering terjadi berupa kasus pencurian yang dapat dibagi dalam 3 bentuk yitu pencurian kendaraan bermotor (Curanmor)， pencurian dengan Pemberatan (Curat)， dan pencurian dengan Kekerasan (Curas)。Adapun pihak Satreskrim Polres Asahan子bagian Jatanras dalam哈尔ini ingin memberikan informasi kepada步伐mengenai tempat atau lokasi rawan kriminalitas, sehingga dibuatlah sebuah aplikasi杨nantinya阿坎人membantu步伐dalam mendapatkan informasi mengenai lokasi rawan kriminalitas杨nantinya dapat digunakan dalam mencegah丹memantau tindak kriminalitas于。Penelitian ini menggunakan系统信息地理(SIG) yang merupakan bagian dari pengetahuan berdasarkan pada perangkat lunak计算机yang dimanfaatkan dalam menyajikan Informasi dalam bentuk数字数据分析，hahadap geografis bumi seingga membentuk suatu Informasi keruangan。图juan penelitian ini menerapkan信息地理基础web dalam成员信息lokasi-lokasi rawan criminal alitas di Kota Kisaran an nantinya menbantu masyarakat dalam mendapatkan信息lokasi rawan criminal alitas di Kota Kisaran。Hasil dari SIG berbase web ini datatatmenbantu和memudahkan masyarakat和用户dalam mengetahui titiklokasi rawan犯罪信息和Kota Kisaran dalam mengetahui tempatataskasi rawan犯罪信息和Satreskrim Polres Asahan。Kata kunci: SIG;kriminalitas;polres kab.asahan;哥打kisaran。
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 Keywords: GIS; criminality; polres asahan; kisaran city Abstrak: Salah satu tindak kejahatan yang sangat membahayakan dan tidak bisa diterima disebut dengan kriminalitas yang berhubungan dengan moral masyarakat, merugikan masyarakat, dan melanggar hukum. Adapun tindak kejahatan yang sering terjadi berupa kasus pencurian yang dapat dibagi dalam 3 bentuk yaitu pencurian kendaraan bermotor (Curanmor), Pencurian dengan Pemberatan (Curat), dan Pencurian dengan Kekerasan (Curas). Adapun pihak Satreskrim Polres Asahan sub bagian Jatanras dalam hal ini ingin memberikan informasi kepada masyarakat mengenai tempat atau lokasi rawan kriminalitas, sehingga dibuatlah sebuah aplikasi yang nantinya akan membantu masyarakat dalam mendapatkan informasi mengenai lokasi rawan kriminalitas yang nantinya dapat digunakan dalam mencegah dan memantau tindak kriminalitas tersebut. Penelitian ini menggunakan Sistem Informasi Geografi (SIG) yang merupakan bagian dari pengetahuan berdasarkan pada perangkat lunak komputer yang dimanfaatkan dalam menyajikan informasi dalam bentuk digital dan analisa terhadap geografis bumi sehingga membentuk suatu informasi keruangan. Tujuan penelitian ini menerapkan informasi geografis berbasis web dalam memberikan informasi lokasi-lokasi rawan kriminalitas di Kota Kisaran dan nantinya membantu masyarakat dalam mendapatkan informasi lokasi rawan kriminalitas di Kota Kisaran. Hasil dari SIG berbasis web ini dapat membantu dan memudahkan masyarakat dan user dalam mengetahui titik","PeriodicalId":41909,"journal":{"name":"Journal of Computer Chemistry-Japan","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134920345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract: Road construction infrastructure has an important role, especially in supporting the economic, social and cultural fields. Sei Alim Ulu Village is an area that is still lagging behind due to the lack of attention from the government, especially in terms of road construction. Road construction in the area can be said to be still bad, making it difficult for the community to do their activities. To facilitate the decision-making process related to development priorities in the village, a decision support system program was created. Decision support systems are systems that help users make decisions in a systematic process. Development priorities in the village are determined using the Topsis method. This study aims to obtain a decision model for the development of priority areas with criteria based on road damage, location requirements, cost estimates, road pavements, and road conditions. Of the 6 alternatives tested, v1 with a value of 0.6301303 obtained the highest score which means it is a priority area for road construction in Sei Alim Ulu Villag. Keywords : SPK; topsis method; village infrastructure Abstract:Infrastruktur pembangunan jalan memiliki peranan penting terutama dalam mendukung bidang ekonomi, sosial dan budaya. Desa Sei Alim Ulu merupakan daerah yang masih tertinggal akibat kurangnya perhatian dari pemerintah terutama dalam hal pembangunan jalan. Pembangunan jalan di daerah tersebut bisa dibilang masih buruk sehingga menyulitkan masyarakat untuk beraktivitas. Untuk memudahkan proses pengambilan keputusan terkait dengan prioritas pembangunan didesa, maka dibuatlah program sistem pendukung keputusan. Sistem pendukung keputusan adalah sistem yang membantu pengguna membuat keputusan dalam proses yang sistematis. Prioritas pembangunan didesa ditentukan dengan metode Topsis. Penelitian ini bertujuan untuk memperoleh model keputusan pengembangan kawasan prioritas dengan kriteria berdasarkan kerusakan jalan, kebutuhan lokasi, perkiraan biaya, perkerasan jalan, dan kondisi jalan. Dari 6 alternatif yang diuji, v1 dengan nilai 0,6301303 diperoleh nilai tertinggi yang berarti Sebagai Kawasan prioritas pembangunan jalan di Desa Sei Alim Ulu. Kata Kunci : infrastruktur, metode topsis, SPK.
摘要:道路建设具有重要的基础设施作用，特别是对经济、社会、文化等领域的支撑作用。由于政府缺乏重视，特别是在道路建设方面，Sei Alim Ulu村是一个仍然落后的地区。该地区的道路建设可以说仍然很差，这使得社区很难开展活动。为了促进与该村发展优先事项有关的决策过程，建立了一个决策支持系统方案。决策支持系统是帮助用户在系统过程中做出决策的系统。该村的发展重点是用Topsis方法确定的。本研究旨在以道路损害、位置要求、成本估算、道路路面和道路状况为标准，获得优先区域发展的决策模型。在测试的6个备选方案中，v1的值为0.6301303，得分最高，这意味着它是Sei Alim Ulu村道路建设的优先区域。关键词:SPK;topsis方法;摘要:农村基础设施建设是农村经济、社会发展的重要组成部分。德赛·阿里姆·乌鲁·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴·乌苏巴。Pembangunan jalan di daerah tersebut bisa dibilang masiang buruk seingga menyulitkan masyarakat untuk beraktivitas。Untuk memudahkan提出pengambilan keputusan terkait dengan优先考虑pembangunan didesa，使一个dibuatlah程序系统pendukung keputusan。system pendukung keputusan adalah系统yang membantu pengguna membubukeputusan dalam提出yang sistematis。优先考虑彭彭坤和邓根方法Topsis。Penelitian ini bertujuan untuk memperoleh模型keputusan pengembangan kawasan prioritas dengan kria berdasarkan kerusakan jalan, kebutuhan lokasi, perkiraan biaya, perkerasan jalan, dan kondisi jalan。达利6替代杨diuji, 1登干nilai 0,6301303 diperoleh nilai tertinggi杨berarti Sebagai Kawasan优先级pembangunan jalan di Desa Sei Alim Ulu。Kata Kunci:基础设施，方法topsis, SPK。
{"title":"DECISION SUPPORT SYSTEM PRIORITAS PEMBANGUNAN JALAN DIDESA SEI ALIM ULU DENGAN METODE TOPSIS","authors":"Fitria Ningsi, Intan Kusuma Wardani, Maya Siregar, Siska Damayanti Pramudja","doi":"10.33330/j-com.v3i2.2488","DOIUrl":"https://doi.org/10.33330/j-com.v3i2.2488","url":null,"abstract":"Abstract: Road construction infrastructure has an important role, especially in supporting the economic, social and cultural fields. Sei Alim Ulu Village is an area that is still lagging behind due to the lack of attention from the government, especially in terms of road construction. Road construction in the area can be said to be still bad, making it difficult for the community to do their activities. To facilitate the decision-making process related to development priorities in the village, a decision support system program was created. Decision support systems are systems that help users make decisions in a systematic process. Development priorities in the village are determined using the Topsis method. This study aims to obtain a decision model for the development of priority areas with criteria based on road damage, location requirements, cost estimates, road pavements, and road conditions. Of the 6 alternatives tested, v1 with a value of 0.6301303 obtained the highest score which means it is a priority area for road construction in Sei Alim Ulu Villag. Keywords : SPK; topsis method; village infrastructure Abstract:Infrastruktur pembangunan jalan memiliki peranan penting terutama dalam mendukung bidang ekonomi, sosial dan budaya. Desa Sei Alim Ulu merupakan daerah yang masih tertinggal akibat kurangnya perhatian dari pemerintah terutama dalam hal pembangunan jalan. Pembangunan jalan di daerah tersebut bisa dibilang masih buruk sehingga menyulitkan masyarakat untuk beraktivitas. Untuk memudahkan proses pengambilan keputusan terkait dengan prioritas pembangunan didesa, maka dibuatlah program sistem pendukung keputusan. Sistem pendukung keputusan adalah sistem yang membantu pengguna membuat keputusan dalam proses yang sistematis. Prioritas pembangunan didesa ditentukan dengan metode Topsis. Penelitian ini bertujuan untuk memperoleh model keputusan pengembangan kawasan prioritas dengan kriteria berdasarkan kerusakan jalan, kebutuhan lokasi, perkiraan biaya, perkerasan jalan, dan kondisi jalan. Dari 6 alternatif yang diuji, v1 dengan nilai 0,6301303 diperoleh nilai tertinggi yang berarti Sebagai Kawasan prioritas pembangunan jalan di Desa Sei Alim Ulu. Kata Kunci : infrastruktur, metode topsis, SPK.","PeriodicalId":41909,"journal":{"name":"Journal of Computer Chemistry-Japan","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135607890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-07-28DOI: 10.33330/j-com.v3i2.2285
Lisa Ariani, Fauriatun Helmiah, Febby Madonna Yuma
Abstact : Services are activities or activities offered by organizations or individuals to customers or clients, which are intangible and cannot be owned. The aim of this research is to make it easier for customers to place orders (orders) as well as serve as a promotional medium for company products that can save company costs in promoting products to customers. One of the businesses engaged in the business of selling clothing which includes clothes, pants, bags, shoes and others. The problem that occurs is that in the customer service process there are no additional facilities that function to interact between the shop and the customer to convey complaints, suggestions and criticism so that customers cannot provide criticism and suggestions for the Dianid Collection and do not yet have a process for managing and storing customer data which is done when customers buy clothes by telephone line or come directly to the shop, this making shop owners pay less attention to who the customers are who have the potential to become regular customers. With the application of this method, it will produce a fashion product sales system at the Dianid Collection with the implementation of the E-CRM method being able to integrate existing functions within the company, namely product sales marketing, information and customer service, unlimited time, sales can be made online and can improve service to customers. Keywords: dianid collection; customer service; E-CRM. Abstrak : Pelayanan adalah aktivitas atau kegiatan yang ditawarkan oleh organisasi atau perorangan kepada pelanggan atau nasabah, yang bersifat tidak berwujud dan tidak dapat dimiliki. Tujuan penelitian dapat mempermudah pelanggan dalam melakukan pemesanan (order) serta dijadikan sebagai media promosi produk perusahaan yang dapat menghemat biaya perusahaan dalam mempromosikan produk kepada pelanggan.Salah satu bisnis yang bergerak dalam bidang usaha penjualan pakaian yang meliputi baju, celana, tas, sepatu dan lainnya .Permasalahan yang terjadi yaitu pada proses pelayanan pelanggan belum adanya fasilitas tambahan yang berfungsi melakukan interaksi antara Toko dengan pelanggan untuk menyampaikan keluhan, saran dan kritik sehingga pelanggan tidak bisa memberikan kritik dan saran untuk Dianid Collection dan belum memiliki proses mengelola dan menyimpan data pelanggan yang dilakukan pada saat pelanggan membeli pakaian secara line telepon ataupun langsung datang ke Toko, hal tersebut membuat pemilik Toko kurang memperhatikan siapa pelanggan yang berpotensi menjadi pelanggan tetap. Dengan adanya penerapan Metode ini maka akan menghasilkan sistem penjualan produk fashion pada Dianid Collection dengan hasil implementasi pada metode E-CRM dapat mengintegrasikan fungsi fungsi yg ada didalam perusahan yaitu pemasaran penjualan produk, informasi dan pelayanan terhadap pelanggan , tidak terbatas waktu, penjualan dapat dilakukan secara online dan dapat meingkatkan pelayanan terhadap pelanggan. Kata Kunci: dianid coll
摘要:服务是组织或个人向顾客或客户提供的活动或活动，是无形的，不能拥有的。本研究的目的是使客户更容易下订单(订单)，同时作为公司产品的宣传媒介，可以节省公司向客户推销产品的成本。从事服装销售业务的企业之一，包括衣服、裤子、包、鞋等。出现的问题是，在客户服务的过程中，没有额外的设施来实现店铺和顾客之间的互动，传达投诉、建议和批评，导致顾客无法对diid Collection提出批评和建议，也没有像顾客通过电话购买衣服或直接来店时那样对顾客数据进行管理和存储的过程。这使得店主不太关注谁是顾客，谁有可能成为老顾客。通过应用该方法，将在diid Collection生产一个时尚产品销售系统，通过实施E-CRM方法，可以整合公司内部现有的功能，即产品销售营销，信息和客户服务，不受时间限制，可以在线进行销售，可以提高对客户的服务。关键词:石楠;客户服务;E-CRM。摘要:Pelayanan adalah aktivitas atau kegiatan yang ditawarkan oleh organisasi atau perorangan kepada pelanggan atau nasabah, yang bersifat tidak berwujud dan tidak dapat dimiliki。Tujuan penelitian dapat mempermudah pelanggan dalam melakukan pemesanan(目)serta dijadikan sebagai media promosi product perusahaan yang dapat menghemat biaya perusahaan dalam mempromosikan product kepaada pelangan。Salah satu bisnis yang bergerak dalam bidang usaha penjualan pakaian yang meliputi baju, celana, tas, sepatu dan lainnya .Permasalahan yang terjadi yitu pada proproses pelayanan pelanggan belanya fasilitas tambahan yang berfungsi melakukan interaksi antara Toko dengan pelanggan untuk menyampaikan keluhan翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:翻译:登安adanya penpenapan Metode ini maka akan menghasilkan系统penpenalkan产品时尚padanid Collection登安hasilkan实现E-CRM dapat mengintegraskan真菌、真菌、真菌、真菌、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物、植物。Kata Kunci: diid collection;pelayanan pelanggan;E-CRM
{"title":"PENERAPAN ELECTRONIC CRM BERBASIS WEB PADA DIANID COLLECTION","authors":"Lisa Ariani, Fauriatun Helmiah, Febby Madonna Yuma","doi":"10.33330/j-com.v3i2.2285","DOIUrl":"https://doi.org/10.33330/j-com.v3i2.2285","url":null,"abstract":"Abstact : Services are activities or activities offered by organizations or individuals to customers or clients, which are intangible and cannot be owned. The aim of this research is to make it easier for customers to place orders (orders) as well as serve as a promotional medium for company products that can save company costs in promoting products to customers. One of the businesses engaged in the business of selling clothing which includes clothes, pants, bags, shoes and others. The problem that occurs is that in the customer service process there are no additional facilities that function to interact between the shop and the customer to convey complaints, suggestions and criticism so that customers cannot provide criticism and suggestions for the Dianid Collection and do not yet have a process for managing and storing customer data which is done when customers buy clothes by telephone line or come directly to the shop, this making shop owners pay less attention to who the customers are who have the potential to become regular customers. With the application of this method, it will produce a fashion product sales system at the Dianid Collection with the implementation of the E-CRM method being able to integrate existing functions within the company, namely product sales marketing, information and customer service, unlimited time, sales can be made online and can improve service to customers. Keywords: dianid collection; customer service; E-CRM. Abstrak : Pelayanan adalah aktivitas atau kegiatan yang ditawarkan oleh organisasi atau perorangan kepada pelanggan atau nasabah, yang bersifat tidak berwujud dan tidak dapat dimiliki. Tujuan penelitian dapat mempermudah pelanggan dalam melakukan pemesanan (order) serta dijadikan sebagai media promosi produk perusahaan yang dapat menghemat biaya perusahaan dalam mempromosikan produk kepada pelanggan.Salah satu bisnis yang bergerak dalam bidang usaha penjualan pakaian yang meliputi baju, celana, tas, sepatu dan lainnya .Permasalahan yang terjadi yaitu pada proses pelayanan pelanggan belum adanya fasilitas tambahan yang berfungsi melakukan interaksi antara Toko dengan pelanggan untuk menyampaikan keluhan, saran dan kritik sehingga pelanggan tidak bisa memberikan kritik dan saran untuk Dianid Collection dan belum memiliki proses mengelola dan menyimpan data pelanggan yang dilakukan pada saat pelanggan membeli pakaian secara line telepon ataupun langsung datang ke Toko, hal tersebut membuat pemilik Toko kurang memperhatikan siapa pelanggan yang berpotensi menjadi pelanggan tetap. Dengan adanya penerapan Metode ini maka akan menghasilkan sistem penjualan produk fashion pada Dianid Collection dengan hasil implementasi pada metode E-CRM dapat mengintegrasikan fungsi fungsi yg ada didalam perusahan yaitu pemasaran penjualan produk, informasi dan pelayanan terhadap pelanggan , tidak terbatas waktu, penjualan dapat dilakukan secara online dan dapat meingkatkan pelayanan terhadap pelanggan. Kata Kunci: dianid coll","PeriodicalId":41909,"journal":{"name":"Journal of Computer Chemistry-Japan","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135608030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tall clonal grasses commonly display competitive advantages with nitrogen (N) enrichment. However, it is currently unknown whether the height is derived from the vegetative or reproductive module. Moreover, it is unclear whether the height of the vegetative or reproductive system regulates the probability of extinction and colonization, and determines species diversity. In this study, the impacts on clonal grasses were studied in a field experiment employing two frequencies (twice a year vs. monthly) crossing with nine N addition rates in a temperate grassland, China. We found that the N addition decreased species frequency and increased extinction probability, but did not change the species colonization probability. A low frequency of N addition decreased species frequency and colonization probability, but increased extinction probability. Moreover, we found that species reproductive height was the best index to predict the extinction probability of clonal grasses in N-enriched conditions. The low frequency of N addition may overestimate the negative effect from N deposition on clonal grass diversity, suggesting that a higher frequency of N addition is more suitable in assessing the ecological effects of N deposition. Overall, this study illustrates that reproductive height was associated with the clonal species extinction probability under N-enriched environment.
{"title":"Reproductive height determines the loss of clonal grasses with nitrogen enrichment in a temperate grassland.","authors":"Xu Chen, Haining Lu, Zhengru Ren, Yuqiu Zhang, Ruoxuan Liu, Yunhai Zhang, Xingguo Han","doi":"10.1016/j.pld.2023.04.003","DOIUrl":"10.1016/j.pld.2023.04.003","url":null,"abstract":"<p><p>Tall clonal grasses commonly display competitive advantages with nitrogen (N) enrichment. However, it is currently unknown whether the height is derived from the vegetative or reproductive module. Moreover, it is unclear whether the height of the vegetative or reproductive system regulates the probability of extinction and colonization, and determines species diversity. In this study, the impacts on clonal grasses were studied in a field experiment employing two frequencies (twice a year <i>vs</i>. monthly) crossing with nine N addition rates in a temperate grassland, China. We found that the N addition decreased species frequency and increased extinction probability, but did not change the species colonization probability. A low frequency of N addition decreased species frequency and colonization probability, but increased extinction probability. Moreover, we found that species reproductive height was the best index to predict the extinction probability of clonal grasses in N-enriched conditions. The low frequency of N addition may overestimate the negative effect from N deposition on clonal grass diversity, suggesting that a higher frequency of N addition is more suitable in assessing the ecological effects of N deposition. Overall, this study illustrates that reproductive height was associated with the clonal species extinction probability under N-enriched environment.</p>","PeriodicalId":41909,"journal":{"name":"Journal of Computer Chemistry-Japan","volume":"11 1","pages":"256-264"},"PeriodicalIF":4.8,"publicationDate":"2023-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11128833/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91008529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.2477/jccjie.2023-0017
Hiroshi SAKIYAMA, Ryushi MOTOKI, Takashi OKUNO, Jian-Qiang LIU
Prediction of blood-brain barrier permeability for chemicals is one of the key issues in brain drug development. In this study, the effect of using training data relatively similar to the test data was investigated in order to improve the performance of machine learning methods in predicting blood-brain barrier permeability. The results showed that selecting training data with high cosine similarity to the test data improved prediction performance with a smaller number of training data. The best model in this study also showed improved scores on two external test sets to examine generalization performance, outperforming excellent existing models. The cosine similarity method is expected to be effective for predicting the properties of compounds with large diversity and a small number of data.
{"title":"Improvement of Blood-Brain Barrier Permeability Prediction Using Cosine Similarity","authors":"Hiroshi SAKIYAMA, Ryushi MOTOKI, Takashi OKUNO, Jian-Qiang LIU","doi":"10.2477/jccjie.2023-0017","DOIUrl":"https://doi.org/10.2477/jccjie.2023-0017","url":null,"abstract":"Prediction of blood-brain barrier permeability for chemicals is one of the key issues in brain drug development. In this study, the effect of using training data relatively similar to the test data was investigated in order to improve the performance of machine learning methods in predicting blood-brain barrier permeability. The results showed that selecting training data with high cosine similarity to the test data improved prediction performance with a smaller number of training data. The best model in this study also showed improved scores on two external test sets to examine generalization performance, outperforming excellent existing models. The cosine similarity method is expected to be effective for predicting the properties of compounds with large diversity and a small number of data.","PeriodicalId":41909,"journal":{"name":"Journal of Computer Chemistry-Japan","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136257173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Construction of Image Datasets for Chemical Experiments and Numerical Assessment of Object Detection Methods","authors":"R. Sasaki, Mikito Fujinami, Hiromi Nakai","doi":"10.2477/jccj.2022-0025","DOIUrl":"https://doi.org/10.2477/jccj.2022-0025","url":null,"abstract":"","PeriodicalId":41909,"journal":{"name":"Journal of Computer Chemistry-Japan","volume":"1 1","pages":""},"PeriodicalIF":0.1,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69049561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N. Kikkawa, Kenroh Matsuda, Seiji Kajita, Sota Sato, T. Tanikawa
{"title":"VR-MD: A Smartphone VR Application of Molecular Dynamics Simulation for Chemical Education","authors":"N. Kikkawa, Kenroh Matsuda, Seiji Kajita, Sota Sato, T. Tanikawa","doi":"10.2477/jccj.2022-0028","DOIUrl":"https://doi.org/10.2477/jccj.2022-0028","url":null,"abstract":"","PeriodicalId":41909,"journal":{"name":"Journal of Computer Chemistry-Japan","volume":"1 1","pages":""},"PeriodicalIF":0.1,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69049875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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