Publications

2026

1. ICDEW

   CityChat: Template-Guided Text-to-SQL over City-Scale Spatial Data

   Yiyang Bian and Amr Magdy

   In 2026 IEEE 42nd International Conference on Data Engineering Workshops, 2026

   Abs DOI PDF

   An LLM-driven natural-language to geospatial SQL framework for urban spatial question answering using schema-aware prompting, template-guided generation, and execution feedback.

2. TKDE

   IMS: Incremental Max-P Regionalization With Statistical Constraints

   Yunfan Kang, Yiyang Bian, Qinma Kang, and 1 more author

   IEEE Transactions on Knowledge and Data Engineering, 2026

   DOI

2025

1. EDBT

   MODis: Generating Skyline Datasets for Data Science Models

   Mengying Wang, Hanchao Ma, Yiyang Bian, and 2 more authors

   In Proceedings of the 28th International Conference on Extending Database Technology, 2025

   Abs PDF

   A multi-objective data discovery framework that generates skyline datasets tailored to user-defined model performance measures.

2024

1. Extending Collaborative Filtering for Machine Learning Model Recommendation

   Yiyang Bian

   Case Western Reserve University, 2024

   PDF
2. PVLDB

   ModsNet: Performance-aware Top-k Model Search using Exemplar Datasets

   Mengying Wang, Sheng Guan, Hanchao Ma, and 5 more authors

   Proceedings of the VLDB Endowment, 2024

   Abs PDF

   A performance-aware top-k search tool for pre-trained data science models using exemplar datasets.

2023

1. CIKM

   Selecting Top-k Data Science Models by Example Dataset

   Mengying Wang, Sheng Guan, Hanchao Ma, and 5 more authors

   In Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, 2023

   DOI PDF

2022

1. CIKM

   CRUX: Crowdsourced Materials Science Resource and Workflow Exploration

   Mengying Wang, Hanchao Ma, Abhishek Daundkar, and 4 more authors

   In Proceedings of the 31st ACM International Conference on Information and Knowledge Management, 2022

   DOI PDF