2 papers
cs.DB2026
GP-Tree: An in-memory spatial index combining adaptive grid cells with a prefix tree for efficient spatial querying
Xiangyang Yang, Xuefeng Guan, Lanxue Dang +4
Efficient spatial indexing is crucial for processing large-scale spatial data. Traditional spatial indexes, such as STR-Tree and Quad-Tree, organize spatial objects based on coarse…
cs.CV2026
AEF-Econ: Toward Plug-and-Play Socioeconomic Foundation Embeddings from AlphaEarth for Urban Remote Sensing
Shuyang Hou, Ziqi Liu, Haoyue Jiao +7
AlphaEarth Foundations (AEF) unify global remote sensing foundation embeddings through multimodal self-supervised learning, but their pretraining focuses on physical land-surface s…