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This study aims to analyze market sentiment towards Gold Financing Products (PKE) in Islamic banking before and after the Trump Effect phenomenon using the text mining method. This technique involves extracting information from unstructured text data to then be visualized and analyzed using the Natural Language Processing (NLP) approach and a RoBERTa-based classification model. Data was collected through web scraping from the X application with the help of API and processed using Google Colab. From a total of 4,074 tweets analyzed, it was found that the majority of public sentiment was neutral (59%), followed by negative (24%) and positive (17%). This reflects the public's tendency to discuss informatively rather than emotionally, although there was a spike in negative sentiment in certain periods indicating sensitivity to global dynamics, especially the impact of the Trump Effect on gold prices. The resulting wordcloud reveals key topics such as gold prices, buying and selling activities, and institutions such as Pegadaian Syariah and BSI. Terms such as "sharia", "riba", and "principles" emphasize the importance of Islamic financial values ​​in public perception. The results of this study indicate that text mining-based sentiment analysis is effective in capturing the dynamics of public opinion in real-time and can be a strategic tool for Islamic financial institutions in responding to market changes.

In stripping overburden activities, calculate the costs in order to provide an overview of the costs that will be incurred by the company. The purpose is to provide an overview of the costs that will be incurred by the company. The results of the research that has been done are as follows with a target of overburden stripping target of 480,000 BCM, Productivity of Komatsu PC digging equipment 300 fleet 1 217.35 BCM/hour, Komatsu PC 300 fleet 2 digging tool productivity 226.22 BCM/hour and Komatsu PC 400 fleet 3 285.87 BCM/hour. Cost The cost of digging equipment ownership is Rp. 172,347/hour and the operational cost of digging equipment is Rp. 3,415,959/hour. The cost of ownership of the conveyance is Rp. 404,437/hour and the operational cost of the conveyance is Rp. 3,415,959/hour. operational costs Rp. 3,502,939 / hour. The company certainly incurs production costs. One of which is operational costs, therefore it is necessary to

The purpose of this research is to analyze the legal protection of the constitutional rights of communities affected by the C excavation mine in Sukolilo, especially the importance of protecting community rights and effective law enforcement so that people can avoid the negative impact of mining. So it is necessary to emphasize the importance of this research in providing recommendations for improving regulations or policies that protect communities in mining-affected areas. This research is descriptive research using a qualitative approach with a type of descriptive research aimed at solving problems in the present. This research will examine the constitutional rights of communities in the area of C excavation mining activities, in the Sukolilo area of Pati Regency. The data collection in this research is collected through literature study. This method aims to obtain a strong theoretical foundation and understand the development of relevant recent research, so that the analysis carried out can be more comprehensive and supported by credible scientific references. The formulation of the problems raised are: (1) How are the constitutional rights of people affected by C excavation mining activities in the Sukolilo area of Pati Regency, (2) How are the responsibilities of local governments and mining actors in providing legal protection and guaranteeing the constitutional rights of the Sukolilo community affected by C excavation mining. The results of this study indicate.

This study explores the dual impact of artisanal gold mining on economic livelihood and environmental sustainability in Tedeboe Village, Rampi District, North Luwu Regency. Employing a qualitative case study design, data were gathered through in-depth interviews with four key informants—including the village head and three local miners—and through direct field observation. Data were analyzed using Creswell’s qualitative analysis framework, encompassing coding and thematic development to capture nuanced insights. The findings indicate that artisanal gold mining has significantly improved household income, especially in meeting basic needs and funding education. However, the sector’s informal nature and high dependency expose the community to economic volatility. Moreover, despite limited use of chemicals, awareness of mercury’s environmental and health risks is rising among miners. Environmental degradation, particularly soil and water pollution, alongside potential respiratory hazards, emerges as a critical concern. The study underscores the urgent need for sustainable mining practices, stronger local regulation, and capacity-building through education and economic diversification. These findings advocate for a balanced approach to rural development—one that harmonizes economic benefits with ecological resilience and community well-being.

Indonesia is one of the countries with the highest levels of biodiversity in the world and possesses vast tropical forest areas that play a crucial role in maintaining the stability of global ecosystems. However, in recent decades, Indonesia’s forests have faced significant pressures due to deforestation and environmental degradation, which have broad impacts on ecological functions, climate balance, and the socio-economic lives of communities. This study aims to examine the role of biodiversity and ecological adaptation mechanisms in maintaining the stability of Indonesia’s forest ecosystems through a literature review approach. The findings show that deforestation directly affects biodiversity decline, habitat fragmentation, disruption of hydrological systems, increased erosion, and carbon emissions. Additionally, illegal activities such as logging and mining exacerbate environmental degradation. Biodiversity is proven to be an important factor in enhancing ecosystem resilience to disturbances, including climate change. Adaptation mechanisms such as the presence of bioindicator species, the formation of ecological corridors, and community participation in conservation can strengthen ecological resilience. Rehabilitation of degraded areas and the implementation of sustainable governance policies are necessary to restore the ecological functions of forests. This study emphasizes the importance of a multidisciplinary and collaborative approach in conservation strategies, supported by strong scientific, social, and institutional frameworks to ensure the sustainability of Indonesia’s forest ecosystems in the future.

This study was conducted to implement the law on the case of illegal mining carried out by Chen Fu as a perpetrator of a criminal act in the Mining Business Permit (IUP) area of ​​PT ANTAM Tbk UBPN North Konawe, and to assess whether its implementation has accommodated ecological justice based on Law Number 3 of 2020 concerning Mineral and Coal Mining (Minerba Law) and Law Number 32 of 2009 concerning Environmental Protection and Management (PPLH Law). The method used in this is normative-doctrinal with a statutory approach and a case approach. Thus, the results of the study show that the legal approach in this case is still limited to the administrative aspect and does not substantially reflect ecological justice. There is a need for harmony between the Minerba Law and the PPLH Law in their implementation to reach aspects of ecological losses, strengthen the deterrent effect, and pave the way for comprehensive environmental recovery. The resulting research recommendations explain the importance of reforming charges in illegal mining cases that cause environmental damage, so that the law can be enforced fairly, comprehensively, and with a sustainable perspective.

Rock mining is a key sector contributing to economic development, including in Gorontalo Regency. However, this activity often generates negative environmental impacts such as erosion, water pollution, and ecosystem degradation. This study aims to analyze environmental management policies in rock mining activities using a literature review approach. The research was conducted by examining relevant literature published in the last five years, including national and regional regulations, as well as case study reports. The findings reveal that Indonesia has established a comprehensive regulatory framework through Law No. 32 of 2009 and Government Regulation No. 22 of 2021, which mandate Environmental Impact Assessment (AMDAL) as a key instrument for environmental protection. At the regional level, Gorontalo Provincial Regulation No. 2 of 2019 serves as the main guideline; however, its implementation faces challenges such as weak oversight and inadequate law enforcement. A case study in Motoduto Village shows actual environmental impacts in the form of erosion and sediment load increases in the Paguyaman River, although still within acceptable limits. Additionally, some companies operate without proper AMDAL or legal permits. Therefore, strengthening institutional capacity, digitizing permit data, and engaging communities are essential steps. Policy recommendations include consistent law enforcement, implementation of post-mining reclamation, and integration of spatial data-based policies. This study underscores the importance of a holistic approach to ensure a balance between the economic benefits of the mining sector and environmental conservation.

Exploitation of mineral resources through mining activities in Indonesia provides significant economic benefits, but also causes various negative impacts on the environment and socio-economic life of local communities. This study aims to review the impacts of various types of mining activities such as sand, coal, and gold. Common environmental damages include deforestation, soil erosion, water, soil, and air pollution, and decreased biodiversity. Socio-economically, mining increases social conflict, health problems, and changes in people's livelihoods. Effective management efforts include law enforcement against illegal activities, implementation of reclamation and rehabilitation, application of impact mitigation technology, and active involvement of local communities in environmental management. Consistent implementation of policies and mitigation measures is key to achieving a balance between economic benefits and environmental sustainability.

Oil palm is a key commodity supporting Indonesia’s economy through exports and employment. The industry’s success depends heavily on the selection of superior seedlings, which determine productivity, crop quality, and resistance to pests and diseases. Manual selection, however, often leads to subjectivity and inconsistency due to limited human resources and genetic variation. To address this, the study applies the Naïve Bayes algorithm for classifying oil palm seedlings based on seven variables: height, stem diameter, number of leaves, leaf color, disease resistance, root growth, and fruit yield. Using an explanatory quantitative method, the study follows seven stages: identifying problems, literature review, collecting 1,000 data entries from PT Intitama Berlian Perkebunan, data pre-processing, system modeling (UML), algorithm implementation, and evaluation using a confusion matrix and black box testing. Data was split into 80% training and 20% testing. The Naïve Bayes-based classification achieved 95% accuracy and perfect recall (1.00) for the superior seedling class. However, its performance on the minority class (non-superior seedlings) was weaker due to dataset imbalance. Black box testing verified all system functions worked correctly, enabling effective and efficient use by administrators. The study concludes that Naïve Bayes improves objectivity, efficiency, and accuracy in seedling selection. Nonetheless, attention is needed on data balancing and optimization to maintain consistent performance across classes. This system shows strong potential as a decision-support tool in plantations and promotes digital transformation in agricultural processes.

This study aims to analyze the potential of the region in utilizing the demographic bonus in Aceh Tamiang Regency. The data used in this study is the PDRB data of Aceh Tamiang Regency and Aceh Province in 2019-2023. The data analysis method uses location question (LQ) and shift share analysis. Based on the results of the LQ analysis, it is known that there are 4 (four) business fields that can become leading sectors in Aceh Tamiang Regency and at the same time are the economic base for further development, namely the agriculture, forestry, and fisheries sectors; mining and quarrying; processing industry; and other services. Meanwhile, based on the shift share analysis, it can be seen that the sectors that have a positive impact on the utilization of the demographic bonus in Aceh Tamiang Regency are the wholesale and retail trade sector, car and motorcycle repairs. In addition to providing a good contribution to the utilization of the demographic bonus in Aceh Tamiang Regency and can increase the PDRB of Aceh Province.

Background : The capital market plays an important role in the Indonesian economy as an investment vehicle for investors and a source of funding for companies. This study aims to analyze the effect of operating cash flow, investment cash flow, and accounting profit on stock returns in mining subsector manufacturing companies listed on the Indonesia Stock Exchange (IDX) for the 2018–2023 period. This finding indicates that financial information, especially operating cash flow and accounting profit, can be a reference for investors in making investment decisions. Therefore, companies are advised to increase transparency in financial reports in order to provide a positive signal to investors. Method : The research used a quantitative approach with secondary data obtained from the company's financial statements published on the IDX. The analysis techniques used include descriptive statistical tests, classical assumption tests, and multiple linear regression analysis to test the research hypothesis. Results of the study : Shows that investment cash flow and accounting profit have a significant effect on stock returns, while operating cash flow does not have a significant effect. Simultaneously, operating cash flow, investment cash flow, and accounting profit affect stock returns.   Keywords: Operating Cash Flow, Investment Cash Flow, Accounting Profit, Stock Returns, Indonesia Stock Exchange

Firm value reflects investors’ perception of a company’s success, often associated with stock price. An increase in firm value can serve as a positive signal for investors, indicating promising future prospects. This study aims to examine and explain the influence of leverage, company size, and asset structure on the value of mining companies listed on the Indonesia Stock Exchange. The study involves a sample of 77 mining companies for the period 2020–2024. Data was collected using a non-participant observation method. The analytical technique employed is multiple linear regression analysis. The results show that leverage has a positive and significant effect on firm value, company size has a negative and significant effect on firm value, and asset structure has a positive but insignificant effect on firm value.

This research aims to analyze the impact of green accounting and environmental costs on the profitability of mining companies listed on the Indonesia Stock Exchange (BEI) during the period from 2020 to 2023. A quantitative descriptive method with an associative quantitative approach was employed, relying on secondary data obtained from the companies' annual reports available on the official BEI website. The study sample consisted of 11 companies, and data analysis was conducted using IBM SPSS version 29. The findings reveal that the implementation of green accounting significantly and positively contributes to the profitability of these companies. Conversely, expenditures on environmental costs did not demonstrate a significant impact on profitability. Nevertheless, when examined together, both variables collectively influence an increase in the companies' profitability.

This research is motivated by the importance of improving the quality of passport making services at the Pontianak City Immigration Office which still faces obstacles such as complicated procedures, limited quotas, lack of officer direction, and mismatches in passport collection schedules that cause public dissatisfaction. This research aims to classify the level of satisfaction of passport making services using the Naïve Bayes algorithm, measure classification accuracy, and develop a website-based system that helps evaluate and improve service quality effectively and efficiently. The method used is a quantitative approach with data collection through questionnaires, interviews, and direct observation of 205 respondents, then the data is processed using the Naïve Bayes algorithm which assumes independence between variables to classify satisfaction levels based on variables such as officer friendliness, officer ability, ease of procedure, and timeliness of service. The main findings show that the Naïve Bayes algorithm is able to classify satisfaction levels with 73% accuracy, 76% precision, 70% recall, and 73% F1-score, signaling the effectiveness of this method in identifying community satisfaction patterns. However, the results also indicate the need for improvement in user interface aspects and system responsiveness so that the system can be widely accepted and provide optimal benefits. The implication of this research is that the application of Naïve Bayes-based data mining methods can be an effective tool in evaluation and decision-making to improve the quality of public services, especially in the field of passport making, and encourage the development of interactive and empirical data-based public service information systems.

Open-pit mining system mining is greatly influenced by surface runoff, rainwater and groundwater. This surface water runoff is highly dependent on rainfall catchment areas, climate, and land use. Handling surface water runoff entering the mining area by creating water channels in the form of open channels and closed channels. One of the mining methods that is generally carried out in Indonesia is the open-pit mining method, which is widely found in East Kalimantan. Large basins will be created as a result of this mining technique, which could eventually serve as a reservoir for water from both surface runoff and groundwater. Therefore, an analysis of the runoff water output in the sump is required, sump capacity and appropriate pumping ratio so that mining activities can continue. The results of the study obtained the runoff discharge value in the sump was 4,071.37 m3/day, the sump capacity was 207,474.07 m3, the water balance in the sump with a total runoff discharge of 5,871.37 m3/day, and the existing volume of water in the sump was 24,771 m3. evaporation of 4.36 m3/day, infiltration of 91.36 m3/day, and pump discharge of 8,229.27 m3/day. A pumping ratio of 0.71 was obtained.

In his research, the author focuses on three problem formulations, (1). What are the indicators used in evaluating the success of da'wah activities? (2). To what extent does the application of da'wah activity evaluation contribute to improving the quality of da'wah? (3). What are the supporting and inhibiting factors in the process of evaluating da'wah activities? This study uses qualitative research, namely research that aims to gain a deep understanding of (Implementation of Da'wah Activity Evaluation Aimed at Improving the Quality of Da'wah) Data collection techniques used in this study include: interviews, observations, and documentation. While the data analysis used is by using qualitative descriptive analysis using inductive techniques, namely data mining in the field, then data reduction and data presentation are carried out, then conclusions are drawn. The results of the study show that: Evaluation in da'wah communication provides an understanding that preachers (D'ai) need to assess and evaluate the communication process carried out. This aims to improve and increase the effectiveness of da'wah. Evaluation of da'wah activities is an important tool for improving the quality of da'wah communication. By conducting systematic evaluations, preachers can identify strengths and weaknesses in their approach, and adjust strategies to achieve better results in the future. Implementing effective evaluation and showing how evaluation can improve the overall success of the da'wah program.

Nowadays, the number of cyber terrorists that using Internet as a medium keep increasing around the world are really worrying. Even though the cyber terrorist is publishing their post openly and public, there are quite difficult to recognize their main communication media. This happen because the cyber terrorist might hide their agenda through any sympathetic base website. Therefore, the aim of this project is to formulate tracing and linking algorithm using data mining technique in order to identify the relationship between each cyber terrorism components that may result to cyber terrorism website.      

One of the negative impacts of the mining process is acid mine drainage which is formed from the oxidation of minerals containing iron sulfur, such as pyrite (FeS2) and pyrothite (FeS) by oxidizers such as water and oxygen. To handle or control acid mine drainage, one way is to use activated carbon or often referred to as activated charcoal, which is a type of carbon that has a very large surface area. Charcoal is a porous solid that contains 85% to 95% carbon, produced from materials containing carbon by heating at high temperatures without oxygen (pyrolysis). Activated carbon made from palm shells is an adsorbent that can be used to treat coal mine acid water, so that the water meets standards for flowing into the environment. This study used concentration variants of 4 grams, 6 grams, 8 grams and contact times of 30 minutes, 60 minutes and 150 minutes. The results of this study show that the concentration of palm oil shell activated carbon adsorbent influences the reduction of iron (Fe) and manganese (Mn) metal levels as well as the pH conditions in acid mine drainage water. The higher the concentration and the longer the contact time, the more heavy metals are adsorbed, the contact time is the highest. The optimal concentration in this study was 150 minutes and the optimal concentration was 8 grams with physical activation.

Afghanistan, often called a "geological treasure trove," is richly endowed with vast mineral deposits worth over $3 trillion. The minerals, including copper, lithium, iron, gold, and rare earths, can be used to resurrect the nation's economy, reduce dependence on foreign aid, and bring about political stability. However, three decades of conflict, political turmoil, corruption, and inadequate infrastructure have been a hindrance to the effective exploitation of the resources. This paper examines the role of mining in Afghanistan's economic and political development, distilling the opportunities and challenges in the industry. Drawing on comparative case studies from resource-rich countries like Botswana and Chile, the study highlights the importance of open government, robust regulatory institutions, and strategic foreign partnerships. The evidence suggests that an efficiently operated mining sector would be a driver of sustainable development, provided that Afghanistan addresses deep-seated systemic evils in the form of corruption, insecurity, and environmental degradation. The research concludes with policy imperatives aimed at maximizing the contribution of the sector to national development.

The preparation of this scientific paper aims to analyze economic, social, environmental, and ecological issues that arise as a result of the interaction between mining activities and the existence of natural resources. This study employs a normative legal research method. Based on the findings, the mining activities of PT. IWIP in North Maluku Province have positive impacts that can support economic development. However, the adverse effects on the environment tend to be more significant. This is evidenced by water, air, and soil pollution caused by PT. IWIP’s mining operations in Central Halmahera Regency. According to the author, this is a very serious issue. The government’s ambition to make Indonesia a leading producer of nickel-based products has endangered the lives of residents in Central Halmahera living near nickel mining areas. These communities are forced to sacrifice their livelihoods, and even their health has been affected. Moreover, there is no accountability from PT. Indonesia Weda Bay Industrial Park regarding the environmental impacts, which are influenced by the new regulations that have been enacted. Article 88 of Law Number 6 of 2023, which ratifies Government Regulation in Lieu of Law Number 2 of 2022 on Job Creation, removes the provision that previously did not require proof of fault. This change makes it more difficult for affected communities to prove the environmental pollution that has occurred.