VLDB 2026 Research / reviewers in the wild / expert
Xuefeng Guan
dblp:10/10378
· DBLP profile ↗
6ranked-venue papers
0as first author
6since 2021 · last 2027
0000-0003-0865-3850ORCID · conflict
Domains — the database's venue-derived domains; a paper can count in several
Databases, data management, data science and information retrieval · 3 · 3 since 2021Artificial intelligence and machine learning · 1 · 1 since 2021Systems, architecture and hardware · 1 · 1 since 2021Applied, interdisciplinary, general and emerging computing · 1 · 1 since 2021
| Year | Publication | Venue | Position |
|---|---|---|---|
| 2027 | PostGISer: The first end-to-end fine-tuned large language model for PostGIS GeoSQL query generation
Shuyang Hou, Lutong Xie, Haoyue Jiao, Shaowen Wu, Xuefeng Guan, Huayi Wu |
Inf. Process. Manag. | 7 |
| 2026 | GeoSQL-Eval: first evaluation of LLMs on PostGIS-based NL2GeoSQL queries
Shuyang Hou, Haoyue Jiao, Lutong Xie, Shaowen Wu, Xuefeng Guan, Huayi Wu |
Expert Syst. Appl. | 7 |
| 2025 | A Local Moran's I guided transformer cellular automata for simulating heterogeneous urban growthabstractThe rapid advancement of urbanization in recent decades has attracted extensive application of cellular automata (CA)-based models to simulate urban growth for planning and decision-making. However, the inaccurate representation of heterogeneous spatial interactions between urban units and the neglect of autocorrelated growth patterns in urbanization lead to unreliable simulation results of CA-based models. To address these two limitations, this study proposes a novel CA-based model integrated with Transformer network and Local Moran’s I, namely TL-CA. The Transformer network is built to quantify heterogeneous interaction between neighbors using the self-attention mechanism. Subsequently, Local Moran’s I is employed to implicitly guide the network in learning spatially autocorrelated patterns of urban growth through auxiliary learning. Finally, the development potential estimated from driving factors, i.e. the network output, is incorporated into CA to simulate urban growth. Land use data from Wuhan (2000–2020) are selected to verify TL-CA’s performance. The results demonstrate that TL-CA achieves the highest simulation accuracy, with an average increase in the figure of merit (FoM) of 9.97%. Attention visualization and residual analysis explain the model’s effectiveness in modeling heterogeneous interactions and autocorrelated growth. Additionally, TL-CA exhibits high computational efficiency and low resource consumption, with sufficient potential to support larger-scale research. Qingyang Xu, Xuefeng Guan, Changlan Yang, Huayi Wu |
Int. J. Geogr. Inf. Sci. | 2 |
| 2024 | GridMesa: A NoSQL-based big spatial data management system with an adaptive grid approximation model
Xuefeng Guan, Zhaoxing Pang, Xing Kui, Huayi Wu |
Future Gener. Comput. Syst. | 2 |
| 2024 | HSeq2Seq: Hierarchical graph neural network for accurate mobile traffic forecasting
Rihui Xie, Xuefeng Guan, Xinglei Wang, Huayi Wu |
Inf. Sci. | 2 |
| 2022 | MPR-GAN: A Novel Neural Rendering Framework for MLS Point Cloud With Deep Generative LearningabstractEfficient point cloud visualization is indispensable for practical applications. In the context of point cloud visualization, 3-D rendering can be viewed as the kernel that transforms 3-D points into a 2-D scene image. Compared with traditional point-based rendering (PBR), neural image-based rendering (NIBR) has gradually emerged as a feasible solution for point cloud rendering. To efficiently render sparse and colorless mobile laser scanning (MLS) point cloud, we propose a novel neural rendering framework based on deep generative learning, named MLS point cloud rendering with generative adversarial network (MPR-GAN). In this framework, perspective projection with intrinsic parameter scaling and cumulative distribution normalization is first utilized to transform the 3-D point cloud into a compact 2-D image; a conditional generative adversarial network (CGAN)-based rendering model is then proposed to generate a photorealistic scene image from the projected 2-D image. In this CGAN model, the asymmetric encoder–decoder generator can implement inpainting and true colorization using context feature capturing and edge information perception; a multiscale discriminator is built to guarantee the model output with global consistency and local details. Moreover, a hybrid loss function is designed to improve the visual quality of the generated images with similarity constraints from both the content and the structure. Two public MLS point cloud datasets are selected and employed to carry out extensive evaluation using MPR-GAN and other baseline frameworks. The experimental results demonstrate that MPR-GAN achieves the state-of-the-art rendering performance in terms of peak signal-to-noise ratio (PSNR) and structural similarity (SSIM). Furthermore, the efficiency analysis shows that MPR-GAN can support real-time rendering, achieving end-to-end rendering from raw points. Qingyang Xu, Xuefeng Guan, Huayi Wu |
IEEE Trans. Geosci. Remote. Sens. | 2 |