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Jingkuan Song

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#artificial intelligence Preprint Oct 2026

GeoLatent: Geometry-Guided Latent Structuring with Routed Optimization for 3D Reasoning

Despite progress in vision-language models, 3D spatial reasoning from 2D images remains challenging. Text-based methods describe intermediate geometry with discrete tokens, limiting fidelity for continuous spatial relations. Continuous latents offer richer representations, but a single latent type does not explicitly s...

Ya-Kun Zhu, Yi Bin, Yu-Juan Ding et al. · 0 citations
Preprint Sep 2026

Exploiting Residual Reachability for Cross-Model Migration of Graph-Based Indexes in Approximate Nearest Neighbor Search

Approximate nearest neighbor search (ANNS) underpins large-scale vector retrieval in search, recommendation, and retrieval-augmented generation. Graph-based indexes have demonstrated state-of-the-art search performance for ANNS. They connect each corpus vector to a small set of nearby or navigationally useful vertices...

Bao-Yuan Gu, Xiao-Yao Zhong, Jia-Bao Jin et al. · 0 citations
Review Aug 2026

Terminal Agents: A Survey of AI Agents in Command-Line Environments

This survey establishes workload-level boundaries and connects system architecture, competence acquisition, and evaluation through a seven-dimensional terminal competence profile, and provides a unified basis for studying terminal-mediated agency across software engineering and emerging application domains.

Yi Bin, Xiao-Yang Yuan, Hao Zeng et al. · 1 citation
Jul 2026

MERIT: Efficient In-Place Deletion for Dynamic Graph-Based Approximate Nearest Neighbor Indexes

Graph-based indexes have become the dominant approach to approximate nearest neighbor search (ANNS) over high-dimensional data and play a crucial role in real-world applications such as retrieval-augmented generation, recommendation systems, and vector databases. Despite extensive progress in static graph construction...

Ze-Kai Wu, Jiabao Jin, Peng Cheng et al. · 0 citations

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