Published in BMC Health Services Research, 2026
Accepted. Analyzes the role of physician professional networks in shaping medical referral patterns in health services.
Recommended citation: Regina de Brito Duarte, Qiwei Han, Claudia Soares (2026). Dissecting Medical Referrals in Health Services: Role of Physician Professional Networks. BMC Health Services Research, Accepted.
Published in 59th Annual Hawaii International Conference on System Sciences (HICSS), 2026
Applies machine learning to quantify founder-market fit and predict startup success.
Recommended citation: Ekaterina Gonchar, Sebastian Diaz, Benjamin Schmidt, Priyanshu Yadav, Qiwei Han (2025). Quantifying Founder-Market Fit: A Machine Learning Approach to Startup Success Prediction. HICSS, Maui HI, January 2026.
Published in IEEE International Conference on Big Data (BigData), 2025
Develops a multimodal hierarchical classification approach for cross-platform e-commerce product categorization.
Recommended citation: Lotte Gross, Rebecca Walter, Nicole Zoppi, Adrien Justus, Alessandro Gambetti, Qiwei Han, Maximilian Kaiser (2025). Cross-Platform E-Commerce Product Categorization and Recategorization. IEEE International Conference on Big Data (BigData), Macau, China.
Published in IEEE International Conference on Digital Health (ICDH), 2025
Presents C-PATH, a conversational AI system for patient assistance and triage in healthcare.
Recommended citation: Qi Shi, Qiwei Han, Claudia Soares (2025). C-PATH: Conversational Patient Assistance and Triage in Healthcare System. IEEE International Conference on Digital Health (ICDH), Helsinki, Finland.
Published in IEEE International Conference on Digital Health (ICDH), 2025
Develops voice-based AI agents to address economic gaps in digital health service delivery.
Recommended citation: Wen Bo, Chen Wang, Qiwei Han, Raquel Norel, Julia Liu, Thaddeus Stappenbeck, Jeffrey L. Rogers (2025). Voice-based AI Agents: Filling the Economic Gaps in Digital Health Delivery. IEEE International Conference on Digital Health (ICDH), Helsinki, Finland.
Published in Nature Communications, 2025
Identifies immunodiagnostic plasma amino acid residue biomarkers for early cancer detection and treatment response prediction.
Recommended citation: Cong Tang, Patrícia Corredeira, Sandra Casimiro, Qi Shi, Qiwei Han, et al. (2025). Immunodiagnostic plasma amino acid residue biomarkers detect cancer early and predict treatment response. Nature Communications, 16:6474.
Published in The Cambridge Handbook of Algorithmic Price Personalization and the Law, 2025
Book chapter providing a technical perspective on personalized pricing using big data and algorithmic methods.
Recommended citation: Qiwei Han (2025). Personalized Pricing in the Age of Big Data: A Technical Perspective. The Cambridge Handbook of Algorithmic Price Personalization and the Law, Chapter 4.
Published in IEEE International Conference on Big Data (BigData), 2024
Applies graph neural networks to optimize site selection for luxury vehicle dealership networks.
Recommended citation: Luca Silvano Carocci, Qiwei Han (2024). Optimizing Luxury Vehicle Dealership Networks: A Graph Neural Network Approach to Site Selection. IEEE International Conference on Big Data (BigData), Washington DC.
Published in 11th IEEE International Conference on Data Science and Advanced Analytics (DSAA), 2024
Develops interpretable deep learning models to forecast online advertising costs using competitive bidding dynamics.
Recommended citation: Fynn Oldenburg, Qiwei Han, Maximilian Kaiser (2024). Interpretable Deep Learning for Forecasting Online Advertising Costs. 11th IEEE International Conference on Data Science and Advanced Analytics (DSAA), San Diego CA.
Published in 5th International Conference on Advances in Digital Marketing and eCommerce, 2024
Investigates strategic precision-recall trade-offs in e-commerce product matching systems.
Recommended citation: Miguel Rocha, Victor Høgheim, Miguel Almeida, Alex Theilmann, José Silva, Alessandro Gambetti, Qiwei Han, Maximilian Kaiser (2024). Optimizing Product Matching in E-commerce. 5th International Conference on Advances in Digital Marketing and eCommerce, Barcelona, Spain.
Published in 18th International AAAI Conference on Web and Social Media (ICWSM), 2024
Introduces a multimodal dataset of machine-generated restaurant reviews and images for social media research.
Recommended citation: Alessandro Gambetti and Qiwei Han (2024). AiGen-FoodReview: A Multimodal Dataset of Machine-Generated Restaurant Reviews and Images on Social Media. 18th International AAAI Conference on Web and Social Media (ICWSM), Buffalo NY.
Published in Journal of Vacation Marketing, 2024
Investigates tourist spatiotemporal behavior patterns using multiple data sources including mobile and social media data.
Recommended citation: Margarida Abreu Novais, Bruno del Papa, Qiwei Han, Mohan Kaushik, Orsola Vasarhelyi, Yanbing Wang, Leid Zejnilovic (2024). Investigating Patterns of Tourist Spatiotemporal Behaviour using Multiple Data Sources. Journal of Vacation Marketing.
Published in International Conference on Information Systems (ICIS), 2023
Detects and analyzes GPT-generated fake restaurant reviews on social media platforms.
Recommended citation: Alessandro Gambetti and Qiwei Han (2023). Dissecting AI-Generated Fake Reviews: Detection and Analysis of GPT-Based Restaurant Reviews on Social Media. International Conference on Information Systems (ICIS), Hyderabad, India.
Published in Electronic Commerce Research, 2023
Proposes a privacy-preserving deep learning framework for user modeling in digital marketing.
Recommended citation: Qiwei Han, Carolina Lucas, Emila Aguiar, Patrícia Macedo, Zhen Ze Wu (2023). Towards Privacy-Preserving Digital Marketing. Electronic Commerce Research, 23:1701–1730.
Published in International Journal of Contemporary Hospitality Management, 2022
Applies deep learning to analyze food aesthetics in social media images and their hospitality implications.
Recommended citation: Alessandro Gambetti and Qiwei Han (2022). Camera Eats First: Exploring Food Aesthetics Portrayed on Social Media using Deep Learning. International Journal of Contemporary Hospitality Management 34(9):3300-3331.
Published in Frontiers in Artificial Intelligence, 2022
Applies structural topic modeling to understand heterogeneous investor sentiment expressed on social media platforms.
Recommended citation: Rongjiao Ji and Qiwei Han (2022). Understanding Heterogeneity of Investor Sentiment on Social Media: A Structural Topic Modeling Approach. Frontiers in Artificial Intelligence, 5:884699.
Published in IEEE International Conference on Big Data (BigData), 2021
Develops an interpretable deep learning model for forecasting online advertising revenue.
Recommended citation: Max Würfel, Qiwei Han, Maximilian Kaiser (2021). Online Advertising Revenue Forecasting: An Interpretable Deep Learning Approach. IEEE International Conference on Big Data (BigData), Virtual.
Published in International Journal of Contemporary Hospitality Management, 2021
Uses big data approaches to analyze travel patterns for tourism region planning.
Recommended citation: Qiwei Han, Leid Zejnilović, Margarida Abreu Novais (2021). Toward travel pattern aware tourism region planning: A big data approach. International Journal of Contemporary Hospitality Management, 33(6):2157-2175.
Published in 9th International Conference on Complex Networks and their Applications, 2020
Incorporates medical domain knowledge into health recommender systems using hyperbolic embedding representations.
Recommended citation: Joel Peito, Qiwei Han (2020). Incorporating Domain Knowledge into Health Recommender Systems using Hyperbolic Embeddings. 9th International Conference on Complex Networks and their Applications, Virtual.
Published in 5th IEEE International Conference on Data Science and Advanced Analytics (DSAA), 2018
Proposes a hybrid recommender system combining collaborative filtering and content-based methods for patient-doctor matching.
Recommended citation: Qiwei Han, Mengxin Ji, Inigo Troya, Manas Gaur, Leid Zejnilović (2018). A Hybrid Recommender System for Patient-Doctor Matchmaking in Primary Care. 5th IEEE International Conference on Data Science and Advanced Analytics (DSAA), Turin, Italy.
Published in 6th IEEE International Conference on Healthcare Informatics (ICHI), 2018
Develops a collaborative filtering recommender system for patient-doctor matchmaking in primary care.
Recommended citation: Qiwei Han, Inigo Troya, Mengxin Ji, Manas Gaur, Leid Zejnilović (2018). A collaborative filtering recommender system in primary care. 6th IEEE International Conference on Healthcare Informatics (ICHI), New York NY.
Published in 18th International Conference on Electronic Commerce (ICEC), 2016
Characterizes the technological evolution of smartphones using performance benchmark data.
Recommended citation: Qiwei Han, Daegon Cho (2016). Characterizing the Technological Evolution of Smartphones: Insights from Performance Benchmarks. 18th International Conference on Electronic Commerce (ICEC), Suwon, Korea.
Published in 17th IEEE International Conference on Mobile Data Management (MDM), 2016
Analyzes social influence patterns using large-scale mobile phone datasets.
Recommended citation: Qiwei Han (2016). Social Influence Analysis using Mobile Phone Dataset. 17th IEEE International Conference on Mobile Data Management (MDM), Porto, Portugal.
Published in 14th International Conference on Mobile Business (ICMB), 2015
Studies asymmetric peer influence mechanisms in smartphone adoption using large-scale mobile network data.
Recommended citation: Qiwei Han, Pedro Ferreira, João Paulo Costeira (2015). Asymmetric Peer Influence in Smartphone Adoption in A Large Mobile Network. 14th International Conference on Mobile Business (ICMB), Fort Worth TX.
Published in 7th International Conference on Social Computing (SocialCom), 2014
Best Paper Award (Acceptance rate: 16.7%). Examines peer influence effects on subscriber churn behavior in wireless networks.
Recommended citation: Qiwei Han, Pedro Ferreira (2014). Role of Peer Influence in Churn in Wireless Networks. 7th International Conference on Social Computing (SocialCom), Beijing, China.