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Geochemical mapping of modern sedimentary organic matter deposited in a World Heritage subtropical estuary affected by human activities: stable isotopes and molecular approaches

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Environmental Science and Pollution Research 2025年第9期32卷 5228-5244页

作者： Wilhelm, Marines Maria Cabral, Ana Caroline dos Santos, Felipe Rodrigues Dauner, Ana Lúcia Lindroth Bícego, Márcia Caruso Nagai, Renata Hanae Figueira, Rubens Cesar Lopes de Mahiques, Michel Michaelovitch Martins, César de Castro Graduate Program in Coastal and Oceanic Systems Federal University of Paraná PR Pontal Do Paraná Brazil Center of Marine Studies Campus Pontal Do Paraná Federal University of Paraná PR Pontal Do Paraná Brazil Oceanographic Institute University of São Paulo SP São Paulo Brazil Ecosystems and Environment Research Program University of Helsinki Helsinki Finland

The Paranaguá Estuarine System (PES) plays a crucial ecological and economic role in the coastal zone of Brazil, containing significant remaining portions of the Atlantic rainforest, which is considered a World Heritage Site (WHS) by UNESCO. At the same time, the PES accommodates the largest bulk grain port terminal and is the leader in container handling in Latin America. In this study, we combined elemental, isotopic, and molecular markers (n-alkanes and n-alkanols) with a comprehensive sample set of surface sediments to understand and distinguish the primary sources of sedimentary organic matter (OM) and evaluate the environmental quality of a WHS under human pressure. The C/N ratio and δ13C ranged from 4.98 to 17.9 and − 27.15 to − 22.88‰, respectively. These results suggest that the primary bulk OM origin is the terrigenous contribution from river inputs. The total long-chain n-alkanes and n-alkanols results ranged from 0.29 to 12.3 µg g−1 and 0.19 and 998.1 µg g−1, respectively, and the n-alkanes diagnostic indices (e.g. CPI and TAR) agree with elementary and isotopic proxies. The river contribution, together with tidal currents, dominates the local hydrodynamics. However, the estuarine mouth region and northern sector are strongly influenced by marine-sourced OM. It was also observed that the low-energy estuarine hydrodynamics controls the OM deposition in Antonina Bay, which favours the deposition of fine sediments. In Paranaguá Bay, due to a mixing zone with the intrusion of fresh and marine waters, there are sites of preferential accumulation of OM caused by fine particles’ flocculation. This geochemical mapping of sedimentary OM composition may provide important insights into future scenarios of environmental changes and may be applied to track the deposition and accumulation of anthropogenic residues from the continental basin and port activities. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2025.

关键词： Surficial sediments

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Integration of the Use of Conventional Technology Towards Smart Home Technology for People in the City of Jakarta 10

Integration of the Use of Conventional Technology Towards Sm...

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10th International Conference on ICT for Smart Society, ICISS 2023

作者： Oktavia, Tanty Lintang, Febian Wijaya Ongko, Gerald Christian Benedicta, Griselda Valerie Michelle Sembiring, Vieri Aska Juneio Ananta, Zaldy Raditya Hosoda, Takaaki Gaol, Ford Lumban Bina Nusantara University BINUS Graduate Program - Master of Information Systems Management Information Systems Management Department Jakarta11480 Indonesia School of Information Systems Bina Nusantara University Information Systems Department Jakarta11480 Indonesia Advanced Institute of Industrial Technology Decision Science Department Tokyo Japan Bina Nusantara University BINUS Graduate Program - Doctor of Computer Science Computer Science Department Jakarta11480 Indonesia

ISBN: (纸本)9798350339543

Smart Home technology offers technological concepts that can be controlled through smart devices to make it easier for the community. Therefore, smart home technology is starting to seize the home electronics market in Indonesia, especially in the city of Jakarta. This study aims to determine the integration of conventional technology into smart home technology for people in Jakarta. The research model in this study uses UTAUT2 which analyzes nine variables, namely Perceived Usefulness, Perceived Cost, Perceived Ease of Use, Social Influence, Perceived Compatibility, Trust, Perceived Pleasure, and Effort Expectations, Intention to Use Smart Home Technology. After the responses were received, data analysis was carried out using the PLS-SEM approach with the SmartPLS application. The results of this study show that there are many people who live in Jakarta who are helped by the presence of smart home technology. However, there are some people who don't really know how to use a smart home because of a lack of knowledge about this technology. © 2023 IEEE.

关键词： Technology transfer

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An Augmented Reality Game's User Experience and Its Effect on Immersion Leading to Intention 11

An Augmented Reality Game's User Experience and Its Effect o...

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11th International Conference on ICT for Smart Society, ICISS 2024

作者： Oktavia, Tanty Utomo, Kawang Gaol, Ford Lumban Hosoda, Takaaki Bina Nusantara University Binus Graduate Program - Information System Management Information Systems Management Department Jakarta11480 Indonesia Bina Nusantara University Binus Graduate Program - Computer Science Computer Science Department Jakarta11480 Indonesia Advanced Institute of Industrial Technology Decision Science Department Tokyo Japan

ISBN: (纸本)9798350389654

Since the emergence of Pokémon Go in 2016, the world has been introduced to Augmented Reality (AR) games. Many IT companies have begun developing augmented reality (AR) games due to the great commercial potential in this industry. Certain products may have managed to remain viable in the market, while others were forced to close due to one or two factors. Since the emergence of Pokémon Go, no other game has managed to surpass its unprecedented success. The company responsible for developing Pokémon Go has decided to shut down one of their games due to a lack of consumer interest. The technology of augmented reality (AR) is consistently associated with the concept of immersion. Immersion is a key aspect of the game that allows users to deeply engage and feel fully involved in the experience. This study will employ a quantitative methodology, utilising a questionnaire that will be distributed to and completed by those who have engaged in augmented reality (AR) games. The data will be analysed using Smart PLS to examine the impact of user experience on immersion, which in turn influences intention. After gathering over 200 participants by spreading google form questionnaires and doing data analysis, the findings indicate that only a few aspects of user experience, namely Brand Experience and User Need Experience, have an impact on reasons. Niantic, the developer of Pokémon Go, was unable to replicate their success with a similar augmented reality game called Harry Potter: Wizards Unite. The initial release occurred on June 21, 2019, and the shutdown took place on December 21, 2021. In the beginning, they shown a profound enthusiasm for the game but were unable to sustain it, much as Pokémon Go. According to Niantic CEO John Hanke, the primary reason for the game's shutdown was its immersion. Immersion has a notable impact on User Confirmation, which in turn has a notable impact on Satisfaction, and Satisfaction has a notable impact on Intention. Moreover, there have be

关键词： Plant shutdowns

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Social Media Marketing Activities to Tie-in Brand Commitment: A Brand Experience Mediation 8

Social Media Marketing Activities to Tie-in Brand Commitment...

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8th International Conference on Information Management and Technology, ICIMTech 2023

作者： Erobathriek, Annisya Pangaribuan, Christian Haposan Princes, Elfindah Sampoerna University Faculty of Business Jakarta12780 Indonesia Binus Graduate Program - Master of Information Systems Management Bina Nusantara University Information Systems Management Department Jakarta11480 Indonesia

ISBN: (纸本)9798350326093

Achieving brand loyalty is one of the main objectives for businesses in the highly competitive and dynamic market of today. This study investigates the connections between social media marketing activity, brand commitment, and brand experience in a local cosmetics market. Responses from 275 users of cosmetics were gathered using a structured questionnaire, and structural equation modeling was used to evaluate a conceptual framework. For a specific cosmetic brand under consideration (Somethinc), the investigation shows that brand experience mediates the connection between social media marketing and brand commitment among consumers. The article deepens our understanding of the Social Media Marketing Activities (SMMAs) construct by examining how brand commitment is positively impacted by SMMA and how brand experience mediates this relationship. The results from our sample lend credence to the idea that creating SMMA influences consumer commitment either directly or indirectly through brand experience. The current study investigates the impact of SMMA on brand experience and loyalty while taking into consideration the expanding relevance and importance of such activities as well as its symbolic benefits. In recent research, the size, share, growth, segmentation, trend, industry forecast, and key players in the Indonesian cosmetics market were thoroughly discussed. However, little study has been done on Indonesia's competitiveness in the cosmetics sector. According to this study, managers should maximize SMMA and the brand experience dimension to increase brand commitment and foster long-term relationships. © 2023 IEEE.

关键词： Cosmetics

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Designing of Integration System for IOT Urban Farming: Mobile and Web Application 9

Designing of Integration System for IOT Urban Farming: Mobil...

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9th International Conference on ICT for Smart Society, ICISS 2022

作者： Fajar, Ahmad Nurul Jayadi, Riyanto Retnowardhani, Astari Robertson, Billy Halim, Jayadi BINUS Graduate Program - Master Of Information Systems Management Bina Nusantara University Information Systems Management Department Jakarta Indonesia

ISBN: (数字)9781665471350

ISBN: (纸本)9781665471350

Technology is developing rapidly coupled with globalization and the industrial era 4.0 makes everything turn digital, one of which is in the field of urban agriculture (urban farming). In this study, we collect data using interview and observation. We used UML approach for analyze and design the system. Then, we proposed system architecture. After that, we create user interface and develop prototype also. We create the system that can be integrate between mobile application and web application. The results of this study are system architecture, web application and mobile application. It can to make easier for the user to monitor their plants. This research will focus on designing cloud databases and connections between microcontrollers, databases, websites and mobile applications with the aim of monitoring plants in real time. The conclusion in this study is the IoT Urban Farming system can be implemented and integrated between mobile and web application. IoT Urban Farming system can be supported by Cloud database. © 2022 IEEE.

关键词： User interfaces

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Big Data Based Information System Design in Hospitality 4

Big Data Based Information System Design in Hospitality

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4th IEEE International Conference of Computer Science and Information Technology, ICOSNIKOM 2022

作者： Suroso, Jarot S. Jericho, Ignatius Suroso, Muhammad Fadhil A. Reynaldy, Ricky Wang, Gunawan Kristanto, Jovian Binus Graduate Program Information Systems Management Bina Nusantara University Information Systems Management Department Jakarta11480 Indonesia

ISBN: (纸本)9798350399073

In the era of industry 4.0 developments of technology is needed in various sectors. The hotel sector also needs application technology especially in promotion to reach more new customers. The internet and social media are most places used for media promotion and looking for any information including hotel information and reservation. This thing shows that information system is needed to support business processes. Enterprise Architecture also needed for adapt business process functional to be more effective. Besides that from the amount of data and information scattered on the internet and social media will be very useful if we could make use of it. So the role from big data technology is to collect, store and analyze data in order to make the data have value for hotel company. This research will discuss about enterprise architecture using the Open Group Architecture Framework (TOGAF) with apply Big Data technology. Steps taken are designing architecture business, architect system information and information technology architecture. This design aim for produce business processes and information systems more effective and efficient. Based on the problems in the cases described previously, the implementation of big data technology in the hospitality sector is very helpful for management to be able to improve and improve business processes and technology. The hotel also gets the results of analytical data that are very useful for developing services and product products from the hotel that can attract tourists which will have an impact on increasing hotel revenue. © 2022 IEEE.

关键词： Hotels

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The Evaluation Model of the Travel Application as the Impact of the Covid-19 Pandemic and Its Adaptation Simulation 4

The Evaluation Model of the Travel Application as the Impact...

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4th International Conference on Cybernetics and Intelligent System, ICORIS 2022

作者： Sardjono, Wahyu Retnowardhani, Astari BINUS Graduate Program - Master of Information Systems Management Bina Nusantara University Information Systems Management Department Jakarta Indonesia

ISBN: (纸本)9781665453950

This study aims to determine the impact of the COVID-19 pandemic on ticket sales flight at *** company. This is because the number of people infected with the Corona Virus is increasing more and more days making it difficult for people to travel during the pandemic. This research belongs to the type of quantitative research due to the data collection method used is a questionnaire method. The population of this study was taken randomly using a questionnaire that where the determination of the object is done by random sampling method. The method used is factor analysis and regression analysis for the model to be built. The results show that at the *** company there has been a decline in air ticket sales due to the COVID-19 pandemic. The results of the study indicate that there are Smart online booking, Product convinience, Excellent services and Easy access that need to be a concern for the *** online travel agency. The success of the *** online travel application can be carried out by maintain the Smart online booking, Product convinience, Excellent services and then increase the forth factor Easy access. © 2022 IEEE.

关键词： COVID-19

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Applying 360° Live Virtual Reality Tour in Taman Safari Indonesia Tourism Industry: Enterprise Architecture Approach 4

Applying 360° Live Virtual Reality Tour in Taman Safari Ind...

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4th IEEE International Conference of Computer Science and Information Technology, ICOSNIKOM 2022

作者： Suroso, Jarot S. Wang, Gunawan Suroso, Muhammad Fadhil A. Astaman, Felix Putra Budhaye, Liang Miladi Bustoni, William Binus Graduate Program Information Systems Management Bina Nusantara University Information Systems Management Department Jakarta11480 Indonesia

ISBN: (纸本)9798350399073

Virtual Reality is a computer-programmed environment where the user can feel and immerse themselves in their surroundings with scenes and objects that appear to be real but actually fake. Right now, Virtual Reality technology is starting to become more popular not only by the people who use it for entertainment purposes, but also popular for the business companies. During the Covid-19 Pandemic, all businesses in Tourism like Taman Safari Indonesia were having trouble getting visitors. Not only that, there are also visitors who couldn't visit the park due to their locations being far away from the park locations. In this study, the researchers will implement this Virtual Reality into the Taman Safari Bogor Tour Business in order to increase their visitors by using enterprise architecture. The researchers at this study used the Essential Enterprise Architecture framework model, because in the Essential Enterprise Architecture framework, it helps explain the Business Architecture, Information System Architecture, and the Information Technology Architecture that will be needed in the Virtual Reality implementation phase. With the implementation of the Virtual Reality Tour into the Taman Safari Indonesia Tourism Industry, it could helped solve the low visitors come due to Covid-19 Pandemic and also gives an opportunity to gather more visitors who lives far away from the park locations including visitors from other country. © 2022 IEEE.

关键词： Virtual reality

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User Behavioral Intention to Use Stream Yard Application: The Role of Social Influence and Habit 10

User Behavioral Intention to Use Stream Yard Application: Th...

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10th International Conference on Cyber and IT Service Management, CITSM 2022

作者： Retnowardhani, Astari Setyawan, Albertus Henny Binus Graduate Program Information Systems Management Bina Nusantara University Information Systems Management Department Jakarta11480 Indonesia

ISBN: (数字)9781665460743

ISBN: (纸本)9781665460743

The rules for studying from home during the COVID-19 pandemic 'forced' schools in Indonesia to conduct distance learning. The change from the face-to-face learning system to online learning has surprised schools, especially teachers. The school must quickly make a decision about the application that will be used as a distance learning tool. The decision to use the application is in the hands of the principal, but the success of using the application depends on the acceptance and use of each individual as a user. One of support application for distance learning is Streamyard. This study trying to determine the user behavioral on the use Streamyard application. The success of using the application, among others, is based on its user behavior. Using the modified UTAUT2 model, this study will analyse the factors that influence the user behavioral intention of the Streamyard application by 40 teachers at Canisius Junior High School Jakarta as case study. The research was conducted by distributing questionnaires with the four Linkert scales. Five variables to be tested are performance expectancy, effort expectancy, social influence, facilitating conditions, habit, behavioral intention, and use behavior, with the moderating variable age. The results of data processing using the SmartPLS3.0 application show that users' behavior is not influenced by their behavioral intention to continue using the Streamyard application. Social influence and habit significantly influence behavioral intention, while age positively moderates habit on behavioral intention. © 2022 IEEE.

关键词： Learning systems

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Comprehensive Sentiment Analysis of ChatGPT App Reviews Using Lexicon-Based Methods, Deep Learning, and Machine Learning

Comprehensive Sentiment Analysis of ChatGPT App Reviews Usin...

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Computer Sciences, Engineering, and Technology Innovation (ICoCSETI), International Conference on

作者： Dharmawan Elmadya Tanty Oktavia Information Systems Management Department BINUS Graduate Program – Master of Information Systems Management Bina Nusantara University Jakarta Indonesia Information Systems Department BINUS Graduate Program – Master of Information Systems Management Bina Nusantara University Jakarta Indonesia

ISBN: (数字)9798331508616

ISBN: (纸本)9798331508623

In the current era, many AI chatbot applications are widely used by people. One of the most popular among these is ChatGPT. Due to its application-based platform, ChatGPT has received a large volume of user feedback. This study aims to analyze these user comments through sentiment analysis with also implementing a combination of machine learning and deep learning models. For traditional machine learning the models are such as Random Forest, Support Vector Machine, Decision Tree, Naive Bayes, XGBoost, and CatBoost. Meanwhile, for the deep learning this study implementing BERT, RoBERTa, XLNet, and GPT- 2. The dataset used in this study is qualitative and was sourced from Google Play Web. Each of the model will perform and evaluated by the accuracy, precision, F1-Score, and recall. This study finds that the GPT-2 model, as one of the deep learning approaches, provided the best performance in this study because can prove excellent performance, efficiency, effectiveness and accuracy compared to other existing models

关键词： Deep learning Support vector machines Analytical models Sentiment analysis Technological innovation Accuracy Computational modeling Chatbots Transformers Data models

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