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Journal articles on the topic 'User and group profile'

Author: Grafiati

Published: 3 June 2025

Last updated: 1 August 2025

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1

Zheng, Jianxing, Deyu Li, and Sangaiah Arun Kumar. "Group User Profile Modeling Based on Neural Word Embeddings in Social Networks." Symmetry 10, no. 10 (2018): 435. http://dx.doi.org/10.3390/sym10100435.

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How to find a user’s interest from similar users a fundamental research problems in socialized recommender systems. Despite significant advances, there exists diversity loss for the majority of recommender systems. With this paper, for expanding the user’s interest, we overcome this challenge by using representative and diverse similar users from followees. First, we model a personal user profile vector via word2vec and term frequency mechanisms. According to user profiles and their follow relationships, we compute content interaction similarity and follow interaction similarity. Second, by co

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Priporova, E. A., and E. R. Agadullina. "Social Motives for Using Social Networks: Analysis of User Groups." Social Psychology and Society 10, no. 4 (2019): 96–111. http://dx.doi.org/10.17759/sps.2019100407.

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The article describes various social motives for using social networks (maintaining and developing relationships, belongness to a particular group, and self-presentation). The results of the study showed that users of social networks (n = 579) can be divided into four different profiles depending on the degree of their motivation to use social networks (1 — moderate orientation to belongness and self-presentation; 2 — orientation towards main¬taining social relations ; 3 — low social motivation; 4 — high social motivation). The comparison of users from different profiles by their personality t

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Tong, Qingyan, Jiayi Sun, Yanxin Liu, and Zhensong Chen. "Research on group profile of social platform based on user value." Procedia Computer Science 214 (2022): 367–75. http://dx.doi.org/10.1016/j.procs.2022.11.187.

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Christensen, Ingrid, and Silvia Schiaffino. "A Hybrid Approach for Group Profiling in Recommender Systems." JUCS - Journal of Universal Computer Science 20, no. (4) (2014): 507–33. https://doi.org/10.3217/jucs-020-04-0507.

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Recommendation is a significant paradigm for information exploring, which focuses on the recovery of items of potential interest to users. Some activities tend to be social rather than individual, which puts forward the need to offer recommendations to groups of users. Group recommender systems present a whole set of new challenges within the field of recommender systems. In this paper, we present a hybrid approach based on group profiling for homogeneous and non-homogenous groups containing a few distant individual profiles among their members. This approach combines three familiar individual

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Teoman, Huseyin Alper, and Pinar Karagoz. "Trust-aware location recommendation for user groups." ACM SIGAPP Applied Computing Review 22, no. 3 (2022): 39–55. http://dx.doi.org/10.1145/3570733.3570736.

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Recommender systems have become indispensable part of online environments. Product recommendations in ecommerce applications, location recommendations in location related applications, and user and post recommendations in online social networks are just a few examples in the world of online recommendations. The recommendations generated in such environments are mostly for individuals. However, increasing use of social networks and online communities lead to need for generating recommendations for a group of users for joint activities, such as eating out as a group or seeing a movie with friend

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Hinic, Darko. "User profiles of internet addicts in Serbia." Psihologija 41, no. 4 (2008): 435–53. http://dx.doi.org/10.2298/psi0804435h.

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This work was a part of a broader empirical study of Internet users with excessive and dysfunctional Internet use symptoms. The aim of this particular article was to describe user profiles of Internet addicts in Serbia. The study recruited 100 subjects in total, 50 in both the clinical and control group. The clinical group included the Internet users who asked for professional help due to the symptoms of the excessive Internet use and fulfilled the diagnostic criteria for Internet behavior disorder proposed by the American Psychology Association. The results have shown that population with Int

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Dalai, Niharika. "Single User-Item Profile Matrix in Recommendations System." Tuijin Jishu/Journal of Propulsion Technology 44, no. 3 (2023): 220–24. http://dx.doi.org/10.52783/tjjpt.v44.i3.260.

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Recommendation systems play a vital role in assisting users across various domains, including movies, music, books, and products, by providing personalized and relevant item suggestions. One popular approach employed in recommendation systems is the utilization of a utility matrix. This.0 matrix captures user-item interactions, with each cell representing a user's rating or preference for a particular item. By analyzing the utility matrix, recommendation systems can uncover patterns and resemblance between items and users, enabling accurate predictions and personalized recommendations. Collabo

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Morais, Leonardo P. de, Roger Immich, Nádia Félix Silva, Thierson Couto Rosa, and Vinicius da Cunha Martins Borges. "Characterization of the Mobile User Profile Based on Sentiments and Network Usage Attributes." Journal of Internet Services and Applications 13, no. 1 (2022): 82–97. http://dx.doi.org/10.5753/jisa.2022.2520.

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Providing resources to meet user needs in futuristic mobile networks is still challenging since the network resources like spectrum and base stations do not increase in the same proportion as the accelerated growth of network traffic. Because of this, human/user behavior attributes can assist resource management in dealing with these challenges, which pick up aspects of how the user impacts the usage of mobile networks, such as network usage, the content of interest, urban mobility routines, social networks, and sentiment. A user profile is a combination of user/human behavior attributes. Such

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Kim, Jong-Wan, Kyu-Cheol Cho, Hee-Jae Kim, and Byeong-Man Kim. "Automatic Determination of Usenet News Groups from User Profile." Journal of Korean Institute of Intelligent Systems 14, no. 2 (2004): 142–49. http://dx.doi.org/10.5391/jkiis.2004.14.2.142.

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O'Sullivan, Shaunagh, Lianne Schmaal, Simon D'Alfonso, et al. "Characterizing Use of a Multicomponent Digital Intervention to Predict Treatment Outcomes in First-Episode Psychosis: Cluster Analysis." JMIR Mental Health 9, no. 4 (2022): e29211. http://dx.doi.org/10.2196/29211.

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Background Multicomponent digital interventions offer the potential for tailored and flexible interventions that aim to address high attrition rates and increase engagement, an area of concern in digital mental health. However, increased flexibility in use makes it difficult to determine which components lead to improved treatment outcomes. Objective This study aims to identify user profiles on Horyzons, an 18-month digital relapse prevention intervention for first-episode psychosis that incorporates therapeutic content and social networking, along with clinical, vocational, and peer support,

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Ullah, Mohib, Rafi Ullah Khan, Irfan Ullah Khan, et al. "Profile Aware ObScure Logging (PaOSLo): A Web Search Privacy-Preserving Protocol to Mitigate Digital Traces." Security and Communication Networks 2022 (February 3, 2022): 1–13. http://dx.doi.org/10.1155/2022/2109024.

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Web search querying is an inevitable activity of any Internet user. The web search engine (WSE) is the easiest way to search and retrieve data from the Internet. The WSE stores the user’s search queries to retrieve the personalized search result in a form of query log. A user often leaves digital traces and sensitive information in the query log. WSE is known to sell the query log to a third party to generate revenue. However, the release of the query log can compromise the security and privacy of a user. In this work, we propose a Profile Aware ObScure Logging (PaOSLo) Web search privacy-pres

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Schirru, Rafael, Stephan Baumann, Martin Memmel, and Andreas Dengel. "Extraction of Contextualized User Interest Profiles in Social Sharing Platforms." JUCS - Journal of Universal Computer Science 16, no. (16) (2010): 2196–213. https://doi.org/10.3217/jucs-016-16-2196.

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Along with the emergence of the Web 2.0, E-learning more often takes place in open environments such as wikis, blogs, and resource sharing platforms. Nowadays, many companies deploy social media technologies to foster the knowledge transfer in the enterprise. They offer Enterprise 2.0 platforms where knowledge workers can share contents according to their different topics of interest. In this article we present an approach extracting contextualized user profiles in an enterprise resource sharing platform according to the users' different topics of interest. The system analyses the social annot

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Mannweiler, C., A. Klein, J. Schneider, and H. D. Schotten. "Context-based user grouping for multi-casting in heterogeneous radio networks." Advances in Radio Science 9 (August 1, 2011): 187–93. http://dx.doi.org/10.5194/ars-9-187-2011.

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Abstract. Along with the rise of sophisticated smartphones and smart spaces, the availability of both static and dynamic context information has steadily been increasing in recent years. Due to the popularity of social networks, these data are complemented by profile information about individual users. Making use of this information by classifying users in wireless networks enables targeted content and advertisement delivery as well as optimizing network resources, in particular bandwidth utilization, by facilitating group-based multi-casting. In this paper, we present the design and implement

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Adkar-Purushothama, Charith Raj, Pavithran Sridharan Iyer, Teruo Sano, and Jean-Pierre Perreault. "sRNA Profiler: A User-Focused Interface for Small RNA Mapping and Profiling." Cells 10, no. 7 (2021): 1771. http://dx.doi.org/10.3390/cells10071771.

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Viroids are circular, highly structured, single-stranded, non-coding RNA pathogens known to infect and cause disease in several plant species. They are known to trigger the host plant’s RNA silencing machinery. The detection of viroid-derived small RNAs (vd-sRNA) in viroid-infected host plants opened a new avenue of study in host–viroid pathogenicity. Since then, several viroid research groups have studied the vd-sRNA retrieved from different host–viroid combinations. Such studies require the segregation of 21- to 24-nucleotide long small RNAs (sRNA) from a deep-sequencing databank, followed b

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Buchyk, Serhii, Oleksandr Yudin, and Ruslan Netrebko. "IMPLEMENTATION OF GROUP DETERMINATION OF FUNCTIONAL PROFILE OF SECURITY AND LEVEL OF GUARANTEES OF INFORMATION AND TELECOMMUNICATION SYSTEM AGAINST UNAUTHORIZED ACCESS." Information systems and technologies security, no. 1 (1) (2019): 11–18. http://dx.doi.org/10.17721/ists.2019.1.11-18.

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The article proposes, shows and analyzes the main stages of implementing software for group assessment of a functional profile and determining or agreeing the level of guarantees for the correct implementation of functional security services in information security tools of information of telecommunication systems from unauthorized access in Ukraine based on theoretical studies previously conducted. The necessary regulatory documents on technical protection of information governing the procedure of evaluating and determining the level of guarantees of automated systems against unauthorized acc

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Moisil, Ioana, Alina Pitic, Simona Dzitac, and Laurentiu Popper. "Adaptive Web Applications for Citizens’ Education. Case Study: Teaching Children the Value of Electrical Energy." International Journal of Computers Communications & Control 5, no. 5 (2010): 819. http://dx.doi.org/10.15837/ijccc.2010.5.2242.

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Long-term energy saving and reduction of environmental consequences of energy consuming are among the most challenging objectives of our time. People are prone to routine and habit. To change these habits is almost a Sisif’s work. In spite of continuous efforts from environmental specialists, we are witnessing an increase in electricity (and gas) consumption, at least at the level of households. Studies carried on have shown that consumers have in many cases an irrational behaviour. To correct that, researchers are studying consumers’ decision making behaviour and try several intervention meas

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Meleshko, Yelyzaveta, Vitaliy Khokh, and Oleksandr Ulichev. "THE RESEARCH TO THE ROBUSTNESS OF RECOMMENDATION SYSTEMS WITH COLLABORATIVE FILTERING TO INFORMATION ATTACKS." Cybersecurity: Education, Science, Technique, no. 5 (2019): 95–104. http://dx.doi.org/10.28925/2663-4023.2019.5.95104.

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In this article research to the robustness of recommendation systems with collaborative filtering to information attacks, which are aimed at raising or lowering the ratings of target objects in a system. The vulnerabilities of collaborative filtering methods to information attacks, as well as the main types of attacks on recommendation systems - profile-injection attacks are explored. Ways to evaluate the robustness of recommendation systems to profile-injection attacks using metrics such as rating deviation from mean agreement and hit ratio are researched. The general method of testing the ro

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Bannikova, L. "SPATIAL ORGANIZATION OF A STREET SECTION DEPENDING ON THE NATURE OF USE." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 8, no. 5 (2023): 105–15. http://dx.doi.org/10.34031/2071-7318-2023-8-5-105-115.

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This Article considers ways of optimization of street cross-section profiles in big cities in order to create comfortable urban environment. Importance of the topic has arisen from reconsideration of the role of street-and-road networks in cities, and their transformation from zones of transit into public space and city-life concentration zones. The article presents an analysis of regulatory documents and research works on design and layout of cross-section profile elements. It includes results of field survey and urban development analyses of Yekaterinburg city streets carried out with the pu

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Lestari, Avinindita Nura, Tiara Putri Leksono, Reyfal Khaidar, Ekky Novriza Alam, and Lutfan Lazuardi. "User acquisition and profile of COVID-19’s health education website: a descriptive study." Journal of Community Empowerment for Health 3, no. 2 (2020): 108. http://dx.doi.org/10.22146/jcoemph.57050.

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In early of 2020, China had identified a new etiology of pneumonia which was later called Coronavirus Disease 2019 (COVID-19) by the World Health Organization (WHO) and the condition declared as pandemic. In this emergency state of affair, people will seek information from websites disseminating health information online, including Indonesia. Since there is currently no vaccine or specific antiviral treatment, the application of preventive measures has been essential. The hygiene and health measures can be easily spread widely as there’s been fast & numerous information spreading in the me

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Yang, Heetae, Jaehong Cha, Minje Ahn, et al. "Social Network Group Recommendation Using Dynamic User Profiles and Collaborative Filtering." Journal of the Korea Contents Association 13, no. 11 (2013): 11–20. http://dx.doi.org/10.5392/jkca.2013.13.11.011.

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ZHAN, CHOUJUN, and CHI K. TSE. "A universal model for growth of user population of products and services." Network Science 4, no. 4 (2016): 491–507. http://dx.doi.org/10.1017/nws.2016.26.

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AbstractWe consider a network of interacting individuals, whose actions or transitions are determined by the states (behavior) of their neighbors as well as their own personal decisions. Specifically, we develop a model according to two simple decision-making rules that can describe the growth of the user population of a newly launched product or service. We analyze 22 sets of real-world historical growth data of a variety of products and services, and show that they all follow the growth equation. The numerical procedure for finding the model parameters allows the market size, and the relativ

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Kee, Ying Hwa, Chunxiao Li, John C. K. Wang, and Muhammad Idzhar Bin Kailani. "Motivations for Volunteering and Its Associations with Time Perspectives and Life Satisfaction: A Latent Profile Approach." Psychological Reports 121, no. 5 (2017): 932–51. http://dx.doi.org/10.1177/0033294117741653.

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This study aims to examine motivation for volunteering and its association with time perspective and life satisfaction among volunteers ( N = 221). Latent profile analysis was used to profile individuals based on their time perspectives and then to compare group differences in life satisfaction and volunteering motivation. Three profiles were identified. Profile 1 ( n = 32; 14.5%) was a “balanced time perspective group,” Profile 2 ( n = 102; 46.2%) was a “maladaptive group,” and Profile 3 ( n = 87; 39.3%) was a “nonchalant group.” Profile 1 showed the highest life satisfaction compared to the

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Virelli, Catherine R., Mahbod Ebrahimi, Ayeshah G. Mohiuddin, et al. "User Experiences of Pharmacogenomic Testing and Opinions among Psychiatry Patients." Journal of Personalized Medicine 14, no. 1 (2023): 22. http://dx.doi.org/10.3390/jpm14010022.

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Pharmacogenomic testing (PGx) is a tool used to guide physicians in selecting an optimal medication for clients based on their genetic profile. The objective of this qualitative study is to understand patients’ experiences with PGx testing as well as their opinions regarding the clinical adoption of such tests in psychiatry. A focus group was conducted to assess the needs of clients who had experience using a PGx test. Participants were recruited from a large study on PGx testing that offered physicians an opportunity to use PGx reports to guide psychotropic prescriptions. The focus group disc

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Xie, Haoran, Di Zou, Fu Lee Wang, Tak-Lam Wong, Yanghui Rao, and Simon Ho Wang. "Discover learning path for group users: A profile-based approach." Neurocomputing 254 (September 2017): 59–70. http://dx.doi.org/10.1016/j.neucom.2016.08.133.

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Gardner, Kathleen Green. "Socio-Demographic Profile of Substance Users Seeking Treatment." Journal of Drug Education 24, no. 4 (1994): 323–32. http://dx.doi.org/10.2190/llm9-4wnk-44tn-klnq.

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This study was conducted to obtain a personality profile and a descriptive analysis of a typical substance user who is presently enrolled in a treatment center and is receiving professional help for his or her substance use at one of four participating treatment centers in a southwestern city in the United States. According to the findings, a typical substance abuser is a thirty-one year old male who is third born and has parents who are more frequently non-professional. Most respondents became involved with substance use because of peer influence and reported feeling bored/unhappy. First subs

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Ullah, Mohib, Muhammad Arshad Islam, Rafiullah Khan, Muhammad Aleem, and Muhammad Azhar Iqbal. "ObSecure Logging (OSLo): A Framework to Protect and Evaluate the Web Search Privacy in Health Care Domain." Journal of Medical Imaging and Health Informatics 9, no. 6 (2019): 1181–90. http://dx.doi.org/10.1166/jmihi.2019.2708.

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Users around the world send queries to the Web Search Engine (WSE) to retrieve data from the Internet. Users usually take primary assistance relating to medical information from WSE via search queries. The search queries relating to diseases and treatment is contemplated to be the most personal facts about the user. The search queries often contain identifiable information that can be linked back to the originator, which can compromise the privacy of a user. In this work, we are proposing a distributed privacy-preserving protocol (OSLo) that eliminates limitation in the existing distributed pr

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Zhang, Chunxu, Guodong Long, Hongkuan Guo, et al. "Multifaceted User Modeling in Recommendation: A Federated Foundation Models Approach." Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 12 (2025): 13197–205. https://doi.org/10.1609/aaai.v39i12.33440.

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Multifaceted user modeling aims to uncover fine-grained patterns and learn representations from user data, revealing their diverse interests and characteristics, such as profile, preference, and personality. Recent studies on foundation model-based recommendation have emphasized the Transformer architecture's remarkable ability to capture complex, non-linear user-item interaction relationships. This paper aims to advance foundation model-based recommendersystems by introducing enhancements to multifaceted user modeling capabilities. We propose a novel Transformer layer designed specifically fo

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Zenobi, Román, and María Luciana Roldán. "A Conceptual Model of Privacy Exposure on Digital Social Networks." SADIO Electronic Journal of Informatics and Operations Research 23, no. 2 (2024): e054. http://dx.doi.org/10.24215/15146774e054.

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A Digital Social Network is a group of people connected to each other through a software platform that allows each person to define their profile and communicate with others. The profile that a person defines in this Digital Social Network is called "digital biographical profile". The vulnerability concerning their privacy may be unknown to the users because they are not aware of the risks, they expose themselves to, due to the assumption of being supported by a platform "with established privacy protection conditions". Exposure on a digital biographical profile carries a great responsibility

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Abdullah, Nor Aniza, Rasheed Abubakar Rasheed, Mohd Hairul Nizam Md Nasir, and Md Mujibur Rahman. "Eliciting Auxiliary Information for Cold Start User Recommendation: A Survey." Applied Sciences 11, no. 20 (2021): 9608. http://dx.doi.org/10.3390/app11209608.

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Recommender systems suggest items of interest to users based on their preferences. These preferences are typically generated from user ratings of the items. If there are no ratings for a certain user or item, it is said that there is a cold start problem, which leads to unreliable recommendations. Existing studies that reviewed and examined cold start in recommender systems have not explained the process of deriving and obtaining the auxiliary information needed for cold start recommendation. This study surveys the existing literature in order to explain the various approaches and techniques e

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Hui Bai. "Research on public library user profile based on conceptual grid in the context of cultural and tourism integration." Frontiers in Interdisciplinary Educational Methodology 2, no. 1 (2025): 31–45. https://doi.org/10.71465/sb2ffq02.

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This study aims to enhance the cultural tourism service capabilities of public libraries to meet the diverse cultural tourism needs of users. To achieve this goal, Python was used to obtain user review data of the National Library of China from the Dianping website, and based on these data, a conceptual model of public library cultural tourism user portraits was constructed. This model covers three dimensions: user natural attributes, user needs, and user travel scenarios. Subsequently, the Lattice Miner 2.0 tool was used to construct user segmentation label concept lattices, and the user grou

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Di Rienzo, Julio A., Silvia G. Valdano, and Paula Fernández. "How to Group Genes according to Expression Profiles?" International Journal of Plant Genomics 2011 (December 20, 2011): 1–10. http://dx.doi.org/10.1155/2011/261975.

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The most commonly applied strategies for identifying genes with a common response profile are based on clustering algorithms. These methods have no explicit rules to define the appropriate number of groups of genes. Usually the number of clusters is decided on heuristic criteria or through the application of different methods proposed to assess the number of clusters in a data set. The purpose of this paper is to compare the performance of seven of these techniques, including traditional ones, and some recently proposed. All of them produce underestimations of the true number of clusters. Howe

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Chudzian, Cezary, Janusz Granat, Edward Klimasara, Jarosław Sobieszek, and Andrzej P. Wierzbicki. "Personalized Knowledge Mining in Large Text Sets." Journal of Telecommunications and Information Technology, no. 3 (June 28, 2023): 123–30. http://dx.doi.org/10.26636/jtit.2011.3.1167.

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The paper starts with a discussion of the concept of knowledge engineering, in particular ontological engineering. Consequently, the paper presents assumptions accepted as a basis for a group research on a radically personalized system of ontological knowledge mining, relying on the perspective of human centered computing and combining ontological concepts of the user with an ontology resulting from an automatic classification of a given set of textual data. The paper presents a pilot system PrOnto that supports research work in two aspects: searching for information interesting for a user acc

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Xu, Jia, Jin Xin Xiang, Xiang Chen, Fang Bin Liu, and Jing Jie Yu. "ODMBP: Behavior Forwarding for Multiple Property Destinations in Mobile Social Networks." Mobile Information Systems 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/7908328.

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The smartphones are widely available in recent years. Wireless networks and personalized mobile devices are deeply integrated and embedded in our lives. The behavior based forwarding has become a new transmission paradigm for supporting many novel applications. However, the commodities, services, and individuals usually have multiple properties of their interests and behaviors. In this paper, we profile these multiple properties and propose an Opportunistic Dissemination Protocol based on Multiple Behavior Profile, ODMBP, in mobile social networks. We first map the interest space to the behavi

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Wang, Yunyan, and Poh-Chuin Teo. "I Know You: User Profiling on Social Media Usage of Chinese Private University Students." Jurnal Ilmiah Peuradeun 12, no. 1 (2024): 71. http://dx.doi.org/10.26811/peuradeun.v12i1.1076.

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Chinese university students’ use of social media is becoming increasingly diverse, and students from private universities in China have different group characteristics than those from public universities. This research endeavoured to establish a comprehensive user profile of Chinese private university students by examining their social media usage patterns. The purpose was to gain profound insights into the distinctive attributes of students in China’s private universities within the context of the current era characterised by extensive data availability. This study employed a questionnaire-ba

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Ebiwareme, Liberty, Kubugha Wilcox Bunonyo, and Obinna Nwokorie. "Investigation of Soret and Dufour Effects on Chemically Reacting Free Convective Fluid Flowing Over a Vertical Plate Along with Viscous Dissipation Using the Laplace Adomian Decomposition Method." European Journal of Applied Science, Engineering and Technology 2, no. 2 (2024): 355–77. https://doi.org/10.59324/ejaset.2024.2(2).26.

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This study comprehensively analyses heat and mass transfer phenomena in a chemically reacting free convective fluid flow along a vertically moving plate. The flow is influenced by thermo-diffusion, diffusion-thermo, and viscous dissipation effects. To simplify the analysis, scaling group analysis and appropriate similarity transformations are used to transform the governing equations into nonlinear ordinary differential equations. These equations are then solved using a combination of Laplace transform and the Adomian decomposition method. The study conducts a parametric investigation to explo

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Michaud, André, Virginie Blanchette, François Boudreau, et al. "WEBSITES IN VASCULAR HEALTH: A TOOL FOR WHOM? USER CHARACTERISTICS AND MOTIVATIONS." Journal of Hypertension 42, Suppl 1 (2024): e153-e154. http://dx.doi.org/10.1097/01.hjh.0001020904.50553.de.

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Objective: Limited data is available to describe the characteristics and motivations of users of health websites. Self-determination theory (Deci & Ryan, 2000) proposed three categories of motivation: 1) autonomous motivation: engaging in a behavior because it is perceived to be consistent with intrinsic and meaningful goals, 2) controlled motivation: engaging in a behavior for reward, or trying to avoid feelings of guilt, and 3) amotivation: lack of autonomous and controlled motivation. The aim of this study is to profile users and described the motivations behind using a health website.

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Khazaei and Alimohammadi. "Context-Aware Group-Oriented Location Recommendation in Location-Based Social Networks." ISPRS International Journal of Geo-Information 8, no. 9 (2019): 406. http://dx.doi.org/10.3390/ijgi8090406.

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Location-based social networking services have attracted great interest with the growth of smart mobile devices. Recommending locations for users based on their preferences is an important task for location-based social networks (LBSNs). Since human beings are social by nature, group activities are important in individuals’ lives. Due to the different interests and priorities of individuals, it is difficult to find places that are ideal for all members of a group. In this study, a context-aware group-oriented location recommendation system is proposed based on a random walk algorithm. The prop

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Sarıçalı, Mehmet, and Ersoy Çarkıt. "Hopelessness, Presence of Meaning in Life, and Existential Concern: A Latent Profile Analysis." Psikiyatride Guncel Yaklasimlar - Current Approaches in Psychiatry 17, Supplement 1 (2025): 126–35. https://doi.org/10.18863/pgy.1679314.

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Objective: The present study uses the variables of hopelessness, the presence of meaning in life, and existential concern to obtain a broad conceptualization of suicide risk and aims to uncover distinct latent subgroups formed by these variables. It also examines the differences in levels of life satisfaction across these subgroups. Method: The participants were 348 university students (265 women and 83 men) selected by the convenience sampling method. Data were collected with “Existential Concerns Questionnaire,” “Meaning in Life Questionnaire,” “Beck Hopelessness Scale,” “Satisfaction with L

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Sanchai, Singh, Singh Amera Ajay, Joshi Shikhar, Sharma Naveen, Mewara Tara, and Soni Yogesh. "Analysis of Risks in Individuals with Bombay Blood Group." International Journal of Pharmaceutical and Clinical Research 16, no. 7 (2024): 412–17. https://doi.org/10.5281/zenodo.12788253.

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<strong>Introduction:</strong> The Bombay blood group lacks H antigen on red blood cells and is marked by anti-H antibodies in serum. It was discovered in Mumbai, India in 1952 and is rare, occurring at 1 in 10,000. Individuals with this phenotype can only receive blood from others with the same group due to severe transfusion reactions. Alternative techniques like acute normovolemic hemodilution may be used during surgery. <strong>Aims and Objective: </strong>To analyze the blood and other parameters individuals with bombay blood group. <strong>Methods:</strong>This retros

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Pappas, Marios, Eleftheria Demertzi, Yannis Papagerasimou, et al. "E-Learning for Deaf Adults from a User-Centered Perspective." Education Sciences 8, no. 4 (2018): 206. http://dx.doi.org/10.3390/educsci8040206.

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Deaf individuals present differences compared to their hearing peers in terms of their learning profile. In addition, deaf adults seem to still be socially excluded nowadays, given that the transition from school to work is more difficult for people with hearing loss. This study aims to analyze the cognitive characteristics of deaf adults, as well as the way they learn better, for the development of an innovative and user-friendly e-learning platform, which will be adapted to the educational needs of the target group. Fifty-three deaf or hard-of-hearing adults participated in the field researc

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Li, Guangmin, Wenjing Chen, Xiaowei Yan, and Li Wang. "Modeling and Analysis of Group User Portrait through WeChat Mini Program." Wireless Communications and Mobile Computing 2022 (September 2, 2022): 1–8. http://dx.doi.org/10.1155/2022/2515962.

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Meeting users’ preferences and increasing business revenue is an ongoing challenge in the mobile service application. In this paper, we address these challenges by mining mobile user behavior patterns and propose an approach to construct a group user portrait by analyzing access data collected from the users of the WeChat Mini Program. We extract the attributes of mobile users considering their geographic information, online duration, and age group. Using Z -score standardized processing and K -means clustering algorithm, we then model the user portraits through three dimensions including dail

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Welch, Neil, Chris Richter, Kieran Moran, and Andy Franklyn-Miller. "Rehabilitation interventions need more than methodological standardisation: an individualised approach." BMJ Open Sport & Exercise Medicine 6, no. 1 (2020): e000899. http://dx.doi.org/10.1136/bmjsem-2020-000899.

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Objectives: The main aim in the current study was to use a single-subject analysis to profile the physical performance characteristics of individuals within an injured group and a between-group approach to profile the group as a whole. These profiles were then used to inform single-subject and between-group rehabilitation interventions. Methods: Fifty-three (28 with athletic groin pain and 25 non-injured) Gaelic football players (24.8 years±7.1 years; 179 cm±5.5 cm; 79.7 kg±9.2 kg) underwent 3D biomechanical analysis, which was used to measure a series of physical performance characteristics.

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Kozlov, Pavel A., Andrey S. Mokhov, and Vladimir O. Tolcheev. "Drawing Up Researcher Terminological Profiles Based on Publications in the Digital Library eLIBRARY.Ru." Vestnik MEI, no. 1 (2022): 111–19. http://dx.doi.org/10.24160/1993-6982-2022-1-111-119.

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The terminological profiles of specialists are drawn up based on publications from the digital library eLIBRARY. By averaging the individual terminological profiles, it is possible to draw up a generalized profile (“portrait”) of a small research team (a department, laboratory, or sector). Comparison of individual profiles with the use of proximity measures (for example, a cosine measure) makes it possible to group similar profiles and identify groups of employees who conduct research in the same subject area. This helps determine the research team specialization by means of Text Mining tools

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Mustapha, Mohd Aminudin. "No Association of Upstream Transcription Factor 1 gene (USF1) 306 G>A with Homocysteine level among Bidayuh Ethnic Groups in Sarawak Population." Malaysian Journal of Applied Sciences 9, no. 1 (2024): 10–18. https://doi.org/10.37231/myjas.2024.9.1.356.

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This study was conducted to determine the polymorphic allele and genotype frequencies of USF1 306 G>A with homocysteine level and lipid profiles in Bidayuh ethnic group. It aimed to elucidate the association of the polymorphic allele and genotypes with lipid profiles such as total cholesterol (TC), high- density lipoprotein (HDL), low- density lipoprotein (LDL) and homocysteine level in Bidayuh ethnic group in Sarawak. One hundred and forty (140) individuals of the Bidayuh ethnic group were recruited as the study subjects. The Allele Specific PCR (AS-PCR) was used in the genotyping. Associa

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Kelsen de Oliveira, Francisco, Max Brandão de Oliveira, Alex Sandro Gomes, and Leandro Marques Queiros. "Statistical Grouping Methods for Identifying User Profiles." International Journal of Technology and Human Interaction 15, no. 2 (2019): 41–52. http://dx.doi.org/10.4018/ijthi.2019040104.

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This article contains data from a group of users, divided into subgroups according to their levels of knowledge about technology. Statistical hierarchical and non-hierarchical clustering methods were studied, compared and used in the creations of the subgroups from the similarities of the skill levels with these users' technology. The research sample consists of teachers who answered online questionnaires about their skills in the use of software and hardware with an educational bias. The statistical methods of the grouping were performed and showed the possibilities of groupings of the users.

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Pratistha, Indra, I. Putu Agung Mahadewa, and Putu Sugiartawan. "Sistem Pendukung Keputusan Kelompok Pemilihan e-commerce/marketplace menggunakan metode profile matching dan BORDA." Jurnal Sistem Informasi dan Komputer Terapan Indonesia (JSIKTI) 1, no. 1 (2018): 13–24. http://dx.doi.org/10.33173/jsikti.9.

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The increasing development of information technology, brings developments to the pattern of life of the Indonesian people, especially the pattern of consumption and shipping of goods. Indonesian society is greatly facilitated and spoiled in getting the desired goods and services. This development was caused by the spread of online shopping providers in Indonesia, which can be accessed via smartphones and computers. Indonesia has a very high number of smartphone users, judging from the number of unique audiences at the end of the second quarter, the data obtained from MMX Multi-platform, June 2

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Chen, Mengwei, Yilin Sun, E. Owen D. Waygood, Jincheng Yu, and Kai Zhu. "User characteristics and service satisfaction of car sharing systems: Evidence from Hangzhou, China." PLOS ONE 17, no. 2 (2022): e0263476. http://dx.doi.org/10.1371/journal.pone.0263476.

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Car sharing has become a new mode of transport during the past two decades in the world. Its rapid growth in China has attracted a wide range of users and posed some problems. The main focus is on service efficiency and user satisfaction. To explore possible service enhancement and management intervention, this study aims at capturing the user characteristics according to different user types and scrutinizing their satisfaction with station-based one-way car sharing service. The study firstly illustrates descriptive statistics of user profile. This is followed by a study of user satisfaction i

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Litwinowicz, Radosław, Jakub Batko, Jakub Rusinek, et al. "LARIAT or AtriClip: Complications Profile and Comparison in Patients with Atrial Fibrillations Based on Manufacturer and User Facility Device Experience Database." Medicina 59, no. 12 (2023): 2055. http://dx.doi.org/10.3390/medicina59122055.

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Background and Objectives: Left atrial appendage closure is an alternative treatment to reduce thromboembolism in patients with atrial fibrillation in whom oral anticoagulation (OAC) is contraindicated. The aim of this study was to evaluate the complications profiles of the LARIAT and AtriClip devices and perform a comparison between them based on the MAUDE (Manufacturer and User Facility Device Experience) database. Materials and Methods: The Manufacturer and User Facility Device Experience database was searched on 15 January 2023. For AtriClip, only reports regarding isolated procedures or p

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Felice, Magdalena. "USER PROFILES: Uses and appropriations of mobile phones by the youth in the city of Buenos Aires." Luciérnaga-Comunicación 5, no. 9 (2013): 29–38. http://dx.doi.org/10.33571/revistaluciernaga.v5n9a3.

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The article presents some results of the research about the uses and appropriations of mobile phones by young people between 20 and 29 years old belonging to middle-high sectors in the city of Buenos Aires. This research was carried out between August 2011 and September 2012. In this paper we propose to acknowledge the codes of significance that actors attach to this device and we make a description of the communication field using mobile phones as topography. This way we try to build classifications and categories that will allow us to synthesize and organize information gathered throughout t

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Tyler, Suzanne. "Comparing the campaigning profile of maternity user groups in Europe - can we learn anything useful?" Health Expectations 5, no. 2 (2002): 136–47. http://dx.doi.org/10.1046/j.1369-6513.2002.00172.x.

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