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: The rapid expansion of cybersecurity standards and threat intelligence frameworks has led to significant semantic fragmentation among security terminologies, hindering effective information retrieval and interoperability across systems. Traditional keyword-based search approaches are inadequate for capturing the contextual meaning of security terms, particularly within formal frameworks such as NIST, MITRE ATT&CK, and CWE. This study addresses this challenge by proposing CyberBERT, a transformer-based semantic search framework designed to align cybersecurity terminologies through deep contextual representation and ontology-driven reasoning. Research Objectives: The primary objective of this research is to develop a semantic retrieval model capable of understanding conceptual relationships between security terms beyond lexical similarity. Methodology: The proposed methodology fine-tunes a BERT-based model on the NIST Glossary corpus using a combination of masked language modeling and triplet loss objectives to generate discriminative semantic embeddings. These embeddings are further aligned with cybersecurity ontologies, including MITRE ATT&CK and CWE, to enhance semantic consistency and explainability. Semantic retrieval is performed using cosine similarity within a 768-dimensional embedding space and evaluated using Mean Reciprocal Rank (MRR) and Precision@K metrics. Results: Experimental results demonstrate that CyberBERT achieves an MRR of 0.832, outperforming domain-adapted baselines such as SecureBERT and CyBERT. The integration of ontology alignment improves semantic accuracy by over 6%, while robustness evaluations confirm resilience against adversarial linguistic perturbations. Visualization using t-SNE reveals coherent semantic clustering aligned with the five core NIST Cybersecurity Framework functions. Conclusions: In conclusion, CyberBERT effectively bridges semantic gaps across cybersecurity terminologies by combining transformer-based contextual learning with ontological reasoning. The framework offers a robust, interpretable, and scalable solution for semantic search, supporting improved interoperability and knowledge discovery in cybersecurity operations and standards harmonization.

This study aims to analyze the improvement of students’ knowledge and the alignment of the Civic Education learning model with the characteristics of third-grade students at SDN Kadipiro. The research problem arises from the tendency of Civic Education in elementary schools to rely heavily on lecture-based instruction, which results in low student engagement and limited comprehension of abstract concepts such as rights and obligations. A descriptive qualitative approach was employed through observations, interviews, and documentation to obtain a comprehensive picture of the learning process, the instructional model applied, and classroom dynamics. The findings reveal that the teacher implemented a game-based Discovery Learning model that emphasizes exploration, categorization, verification, and independent conclusion-making by students. This model proved effective, as evidenced by 85% of students being able to understand and distinguish examples of rights and obligations in accordance with the Civic Education learning outcomes. The study also indicates that game-based learning is more compatible with the students’ predominant visual and kinesthetic learning tendencies, enabling them to maintain focus more effectively than when using traditional lecture methods. However, several challenges emerged, including variations in students’ writing literacy skills and the absence of a structured assessment rubric. These findings underscore the need for flexible instructional design, the integration of concrete learning media, and the implementation of more systematic formative assessment practices. Future research is recommended to develop differentiated instructional strategies and to utilize more diverse media to accommodate the needs of heterogeneous classrooms.

The advancement of knowledge and technology in the 21st century has changed human life patterns and demands a transformation in the world of education to be able to prepare students to face global challenges. 21st-century education emphasizes the mastery of critical, creative, communicative, collaborative skills, and technological literacy needed in the digital era.The purpose of this study is to investigate the idea of 21st-century learning, relevant learning models, and the role of teachers as facilitators, innovators, and agents of change in the modern learning process. This study uses a library research strategy by reviewing numerous scientific materials linked to 21st-century competencies, Learning methods including cooperative Learning, Project Based Learning, Problem Based Learning, and Discovery Learning, as well as the TPACK framework as a basis for technology integration. The study’s findings show that 21st-century learning requires the implementation of a learner-centered approach and the planned use of technology to raise the standard of learning procedures and results. In addition, teachers have a strategic role in guiding to enable pupils to acquire higher order thinking abilities and adapt to changing times. The implications of this study emphasize the importance of strengthening teacher competencies and implementing innovative learning models is an attempt to raise educational standards in the global era.

This study aims to apply the Discovery Learning model in teaching the solar system in grade VI at SDN Patrang 02 Elementary School in Jember Regency. This model was chosen to overcome learning problems that are still teacher-centered and do not provide opportunities for students to think critically and discover concepts independently. Through this approach, it is hoped that students can be more active, creative, and understand the concept of the solar system more deeply through a direct discovery process. The research method used was descriptive qualitative with a participatory strategy. Activities were carried out through the stages of planning, implementation of learning, observation, and reflection with teachers and students. Data were collected through observation of learning activities, interviews with teachers, and documentation during the learning process. Data analysis was conducted descriptively to describe the effectiveness of the Discovery Learning application in improving the quality of learning.The results of the study indicate that the application of Discovery Learning can increase student active participation, critical thinking skills, and understanding of the solar system concept. Teachers also experienced an increase in their ability to design and implement student-centered learning. In addition, this activity encourages the formation of a collaborative learning culture and the growth of teacher leadership in learning innovation in elementary schools.

This study aims to determine the effect of the application of the Discovery Learning learning model on student learning outcomes in Geography class X at Sinar Pancasila Betun Private High School. The study used an experimental method with a pretest-posttest control group design. The study population was all students of class X, with a purposive sampling technique consisting of an experimental class and a control class. The research instrument was a multiple-choice learning outcome test that had been tested for validity and reliability. The results showed a significant increase in learning outcomes in the experimental class after the application of the Discovery Learning learning model. The average posttest score of the experimental class was 74.0236, higher than the control class of 19.2045. Hypothesis testing using the t-test showed that the calculated t value > t table at a significance level of 5%, so the alternative hypothesis was accepted. This means that there is a positive effect of the use of the Discovery Learning learning model on student learning outcomes. Based on these findings, it is concluded that the Discovery Learning learning model is effective for improving student learning outcomes in Geography learning and can be used as an alternative innovative learning strategy in schools.

Education is a comprehensive process aimed at developing human quality, in which the success of learning largely depends on the implementation of appropriate instructional strategies. Learning strategies serve as a guide for educators in managing the interaction between teachers, learners, materials, and the learning environment to achieve educational goals effectively and efficiently. This study aims to describe the objectives of learning strategies in improving learning quality and to explain how relevant learning models can be applied based on students’ characteristics and learning contexts. This research employs a qualitative approach using a literature review method by analyzing various theories and previous studies related to learning strategies and educational quality improvement. The findings indicate that learning strategies play a central role in creating active, creative, and meaningful learning processes. The application of several models such as cooperative learning, inquiry learning, contextual teaching and learning, project-based learning, and discovery learning has been proven to enhance students’ motivation, engagement, and learning outcomes in cognitive, affective, and psychomotor domains. Therefore, systematically designed and adaptive learning strategies that focus on students’ potential are the key to improving learning quality and achieving comprehensive educational objectives.

This study aims to assess the effectiveness of the Discovery Learning model that utilizes the surrounding environment in improving the learning outcomes of Biology Science on plant material and its functions in grade 3 students of MI Al Barokah Jember. This approach refers to David A. Kolb's experiential learning theory and Jean Piaget and Lev Vygotsky's constructivism theory, which emphasizes the importance of active student involvement through real-life experiences and social interactions. This study uses a Classroom Action Research (CAR) model with four stages: planning, implementation, observation, and reflection. The research subjects were 24 students, with data obtained through observation, learning outcome tests (pre-test and post-test), and reflective interviews. Data analysis was carried out using quantitative and qualitative descriptive methods. The results showed a significant increase in students' conceptual understanding, with an average pre-test score of 60 increasing to 82 in the post-test, and 83% of students showed improved learning outcomes. Student activity also increased, with more students actively involved in observations, discussions, and presentations. As many as 80–85% of students were able to explain the functions of plant parts based on direct observation. Students responded positively to this lesson, but there were limitations in the variety of plants and the timeframe. It is recommended to reinforce initial understanding with visual aids and allow more time for group discussions.

This study aims to analyze significant differences in learning motivation and critical thinking skills simultaneously between students who learn with differentiated learning and those who do not, determine the effective contribution of the implementation of differentiated learning on acid-base materials to learning motivation and critical thinking skills of students simultaneously, to determine the effective contribution of differentiated learning implementation on acid-base material to high school students' learning motivation, to determine the effective contribution of differentiated learning on acid-base material to high school students' critical thinking skills, to determine the level of achievement of students' critical thinking skills in experimental and control classes. This study used a quasi-experiment model with a pretest-posttest control group design. The sample of this study consisted of two classes, namely experimental class and control class, with random sampling. The experimental class used differentiated learning, while the control class used discovery learning. Critical thinking skills data were obtained from the description test data and learning motivation data through questionnaires. MANOVA test was used to analyze differences in critical thinking skills and student learning motivation in experimental and control classes simultaneously. Test of between subject effects is used to analyze differences in each dependent variable in experimental and control classes. Partial eta square test is used to analyze the effective contribution of differentiated learning to the dependent variable. Descriptive statistics to determine the level of achievement of critical thinking skills. The results showed there were significant differences in learning motivation and critical thinking skills simultaneously and individually between students who used differentiated learning and those who did not, the effective contribution of differentiated learning on acid-base materials to critical thinking skills and student learning motivation simultaneously was 16.9% (high), the effective contribution of differentiated learning on acid-base material to students' critical thinking skills is 6. 1% (medium), the effective contribution of differentiated learning on acid-base material to student learning motivation is 12% (medium), the level of achievement of critical thinking skills in the experimental class is in the good category, while in the control class in the sufficient category.

This research aims to improve the learning outcomes of grade 1 students at SD Negeri 2 Brangkal using the Discovery Learning learning model in the Pancasila Education subject. This research is divided into two images, where each cycle consists of four research stages, namely: 1) Planning, 2) Implementation, 3) Observation, and 4) Reflection. This research was conducted over a period of 3 months starting from February to April 2024. In this research the researcher acted as an observer by involving the class I Pancasila Education maple teacher as a colleague/collaborator. This Classroom Action Research (PTK) uses the Kemmis & Mc Taggart model. This research was carried out in two cycles where each cycle was held in one meeting. The subjects of this research were 18 grade 1 students at SD Negeri 2 Brangkal. Data collection techniques through evaluation tests, observation and documentation. The research results show that: (1) students become more active in learning activities. (2) there was an increase in Pancasila Education learning outcomes for grade 1 students at SD Negeri 2 Brangkal. This increase was proven by the results of the pre-cycle test, the average class score was 66.22, then it increased in cycle I to 82.5 and increased again in cycle II to 90.5. The percentage of completeness of learning outcomes in the pre-cycle was 40%, in cycle I was 75%, and in cycle II was 94% which achieved a KKTP ≥ 75. From the results of the above research it can be concluded that by implementing the Discovery Learning learning model it can improve learning outcomes in students. Pancasila education lesson for grade 1 students at SD Negeri 2 Brangkal.

This research aims to improve the learning outcomes of Natural and Social Sciences (IPAS) by applying a discovery learning model assisted by image media in grade V of SD Nurul Khoir, Jambi City. The method used is Class Action Research (PTK) which is carried out in two cycles. Each cycle consists of four stages, namely planning, implementation of actions, observation, and reflection. The research subjects amounted to 26 students. Data collection techniques are carried out through learning outcome tests, observation of teacher and student activities, and documentation. The results of the study showed a significant increase in the completeness of student learning outcomes. In cycle I, completeness reached 73.92%, and increased to 85.30% in cycle II. This improvement shows that the application of the discovery learning model combined with image media is effective in improving IPAS learning outcomes. This model encourages active involvement of students in the learning process, fosters curiosity, and hones critical and logical thinking skills. Image media as a visual aid has also been proven to be able to strengthen concept understanding and improve students' memory of the material studied. In addition, the learning process becomes more fun and meaningful because students are directly involved in the activity of discovering concepts through the stages of observing, questioning, gathering information, reasoning, and concluding. Teachers are no longer the center of information, but play the role of learning facilitators. This strategy is also relevant to the cognitive development characteristics of elementary school students who tend to favor concrete and visual learning. Thus, the application of the discovery learning model assisted by image media can be an alternative to an effective and innovative learning strategy in improving social studies learning outcomes. Teachers are advised to continue to develop adaptive, creative, and contextual learning methods and media.

This research aims to improve the learning outcomes of Natural and Social Sciences (IPAS) by applying a discovery learning model assisted by image media in grade V of SD Nurul Khoir, Jambi City. The method used is Class Action Research (PTK) which is carried out in two cycles. Each cycle consists of four stages, namely planning, implementation of actions, observation, and reflection. The research subjects amounted to 26 students. Data collection techniques are carried out through learning outcome tests, observation of teacher and student activities, and documentation. The results of the study showed a significant increase in the completeness of student learning outcomes. In cycle I, completeness reached 73.92%, and increased to 85.30% in cycle II. This improvement shows that the application of the discovery learning model combined with image media is effective in improving IPAS learning outcomes. This model encourages active involvement of students in the learning process, fosters curiosity, and hones critical and logical thinking skills. Image media as a visual aid has also been proven to be able to strengthen concept understanding and improve students' memory of the material studied. In addition, the learning process becomes more fun and meaningful because students are directly involved in the activity of discovering concepts through the stages of observing, questioning, gathering information, reasoning, and concluding. Teachers are no longer the center of information, but play the role of learning facilitators. This strategy is also relevant to the cognitive development characteristics of elementary school students who tend to favor concrete and visual learning. Thus, the application of the discovery learning model assisted by image media can be an alternative to an effective and innovative learning strategy in improving social studies learning outcomes. Teachers are advised to continue to develop adaptive, creative, and contextual learning methods and media.

This study aims to improve student learning outcomes in Natural and Social Sciences (IPAS) through the application of the Discovery Learning model assisted by image media in grade V of Nurul Khoir Elementary School, Jambi City. This study is a classroom action research (CAR) conducted in two cycles, with each cycle consisting of planning, action, observation, and reflection stages. The subjects in this study were 26 fourth-grade students. Data collection techniques used included tests, observation, and documentation to obtain more comprehensive data on student learning outcomes. The results of the study showed an increase in student learning outcomes in each cycle. In cycle I, the percentage of student learning outcomes reached 73.92%, and increased in cycle II to 85.30%. This increase indicates that the application of the Discovery Learning model assisted by image media can improve student learning outcomes in the subject of IPAS. The Discovery Learning model provides opportunities for students to learn actively and independently, by utilizing attractive image media and making it easier for students to understand the concepts taught. Thus, this model can be used as an alternative in a more effective and interesting learning process. Furthermore, the implementation of this model also had a positive impact on student engagement in learning activities, making the teaching and learning process more interactive and enjoyable. This study recommends that the Discovery Learning model, assisted by image media, be applied more widely across various subjects to improve the quality of learning in elementary schools. In the future, this research can also be continued by examining the application of similar models in other subjects and measuring their impact on improving students' cognitive abilities and overall skills.

This study investigates the implementation of the discovery learning model to enhance the learning independence of Grade V students in the IPAS subject at MIS Nurul Yaqin. The problem arises from limited learning facilities, which reduce opportunities for activities that stimulate creativity, as well as students’ limited ability to recognize and describe shapes and colors in detail. This Classroom Action Research applied the Kemmis and McTaggart model with Grade V students as the research subjects. Data were collected through observation, questionnaires, interviews, and documentation, and analyzed descriptively in both quantitative and qualitative forms. The results show that Discovery Learning effectively improved students’ independence in learning. Through its exploratory approach, students actively engaged in questioning, observing, experimenting, and drawing conclusions in meaningful activities. Improvements were noted in self-confidence, task discipline, initiative in managing learning, motivation to understand material, and responsibility for outcomes. Active participation at each stage—from problem formulation to reflection—enhanced mastery of the properties of light and their applications, while also fostering critical, creative, and responsible learning behavior. Furthermore, the study found that the implementation of Discovery Learning encouraged collaborative interaction among students, allowing them to share ideas, test hypotheses, and provide peer feedback. This created a more student-centered learning atmosphere, shifting the focus from teacher instruction to student exploration. Quantitative results showed that student independence increased significantly, with success rates rising from 47.80% in Cycle I, when learning was still teacher-centered, to 84.76% in Cycle II, as students became more actively engaged both physically and mentally. These findings highlight the importance of using student-centered approaches such as Discovery Learning to develop independence, critical thinking, and motivation. The model not only supported better academic outcomes but also prepared students with essential lifelong learning skills that can be applied across subjects and in real-life problem solving.

This study describes the implementation of the differentiation method in the Independent Curriculum to accommodate differences in the abilities of grade XI students at SMAN 1 Percut Sei Tuan. Using a descriptive qualitative approach, data were collected through observation, interviews, and documentation. The results show that teachers implement product differentiation by giving students the freedom to express their understanding according to their interests, learning styles, and readiness through the Discovery Learning model. Assessment is carried out using a flexible rubric that emphasizes core competencies. This method has proven effective in creating inclusive, meaningful learning that can optimize student potential.

This study aims to examine the effectiveness of various innovative learning models on improving student learning outcomes and mathematical skills at the junior high school and senior high school levels. The method used is a literarure study of previous research results that applied learning models such as the Flipped Classroom, Project-Based Learning (PjBL), Peer-Led Team Learning (PLTL), Discovery Learning, Mind Mapping, and other cooperative learning models. The analysis results indicate that these models generally have a positive impact on enhancing students' learning engagement, critical and creative thinking skills, numeracy skills, mathematical communication, and problem-solving abilities. These findings reinforce the urgency of adopting student-centred learning approaches based on higher-order thinking skills (HOTS). Therefore, it is recommended that teachers continue to develop the application of innovative learning models in accordance with the characteristics of students and supported by educational policies that encourage innovation and continuous training. This research is expected to serve as a reference for educators and policymakers in designing more effective and meaningful learning.   

Learning biology on the human motion system material often presents challenges due to the complex and abstract nature of the material. This study aims to improve student learning outcomes by applying the Discovery Learning learning model assisted by video media in class X SCIENCE SMA Negeri 2 Tondano. This research is a Class Action Research which was carried out in two cycles using a collaborative reflective approach. Each cycle consists of planning, action, observation, and reflection stages, with data collection through observation, evaluation tests, interviews, and field notes. The results in the first cycle showed that the average student score only reached 53.4 with a classical completeness rate of 32%. In cycle II, after improvements based on reflection in cycle I, learning outcomes increased significantly, with an average of 85.3 and a completeness rate of 100%. These findings show that integrating video media in discovery-based learning effectively improves students' understanding of hard-to-visualize biological concepts. Audio-visual media help students relate visual information to authentic experiences, while Discovery Learning encourages active and exploratory engagement of students in the learning process. This research contributes to the science education literature by showing that technology-based and participatory learning strategies can answer the challenges of biology learning in secondary schools. Implicitly, teachers are encouraged to adopt a similar approach to create active, engaging, and meaningful learning.

Critical thinking skills are an important competency in learning biology, especially in biodiversity materials that require analysis, reasoning, and decision-making. This study aims to determine the influence of the Guided Discovery Learning learning model  on the critical thinking ability of grade X students at SMA Negeri 2 Tondano. The method used was a quasi-experimental study with a pretest-posttest control group design. The sample consisted of two classes, namely the control class that was taught using the conventional model and the experimental class that received treatment with the Guided Discovery Learning model. Data were collected through pretest and posttest written tests, and analyzed using normality, homogeneity, and t-test. The results showed that there was a significant difference between the learning outcomes of students in the experimental class and the control class. The average posttest score of the experimental class was 81 higher than the control class of 63.5. In addition, the Tcal value of 4.65 is greater than the Ttable of 2.02 at a significance level of 0.05, which shows that  the Guided Discovery Learning model  has a positive influence on improving students' critical thinking skills. This result is also strengthened by a decrease in standard deviation which shows an equal distribution of understanding between students. This research contributes to the development of active learning strategies in biology education and suggests the application of this model to improve higher-level thinking skills. This model is also relevant applied to other topics in order to strengthen discovery-based learning and collaboration.

This study looks at 1) the typical math problem-solving mistakes students make using the Newmann procedure after learning with digital books through guided discovery, 2) errors related to how independent students are in their learning, and 3) how independent students are in their learning after using the guided discovery model. Analysis is descriptive in this research. This research included SMPS Dharma Patra grade VIII students. Data analysis indicated that 1) students made the most errors in solving mathematical problems-solving problems based on the Newmann procedure after the guided discovery learning model using digital books was applied: high-category students made encoding errors, and medium-category students made process skill errors and writing errors. 2) Moderate learning independence pupils make 20% transformation mistakes, 80% process skill errors, and 90% writing errors. Students with limited learning independence make 66.67% comprehension errors, 77.78% transformation errors, 100% process skill errors, and 100% final response writing errors. In addition, 36.67% of high-learning independence kids satisfied all criteria. Moderate learning independence students meet four to five markers at 33.34%. Low learning independence students meet one to three markers at 30%.

The low level of student learning activity negatively impacts learning outcomes, often falling below the KKTP standard. To enhance both learning activities and results, the discovery learning model supported by CWP was implemented. This study employed Classroom Action Research, utilizing observation sheets, learning outcome assessments, field notes, and documentation as research instruments. Data on learning activities were gathered through observation and analyzed by calculating the percentage of each activity. Learning outcomes were assessed descriptively to determine students' average performance and the percentage of students achieving classical learning completeness. Research findings indicate that student learning activity percentages improved across cycles: cycle I recorded 28.48%, while cycle II increased to 51.36%. Similarly, average learning outcomes progressed, with pre-cycle scores at 70.53, cycle I at 71.56, and cycle II at 82.18. These results demonstrate that implementing the discovery learning model with CWP support can effectively enhance learning activities and positively influence student performance.

An investigation was conducted at A State Senior High School in Kupang City, NTT.to assess how Project-Based Learning (PjBL) and Discovery Learning (DL) models differentially impact student learning activities and outcomes when teaching atomic structure. Adopting a quasi-experimental design with a nonequivalent control group, the study collected data through comprehensive activity questionnaires, observation sheets, and pretest/posttest instruments. The findings clearly showed that PjBL significantly boosted student learning activities, with an average score of 81.19, considerably higher than the 66.15 observed in the DL group. This significant difference was statistically confirmed by an independent samples t-test. Regarding learning outcomes, the PjBL group's average (70.97) was marginally better than the DL group's (68.89), but this difference did not reach statistical significance. It is suggested that limitations in learning time may have played a role in the learning outcomes. This study concludes that PjBL is superior for enhancing student engagement and activity, while both PjBL and DL are equally effective in improving student learning outcomes. Ultimately, the choice of a learning model should be strategically aligned with educational goals, subject matter, and the unique characteristics of the classroom to maximize student achievement.