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Eth Zurich

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Preprint Aug 2026

DocNavRAG: Document-Structured Graph RAG with Stateful Evidence Construction for Complex Document Question Answering

DocNavRAG is introduced, which organizes document hierarchies and cross-region relations into a navigable graph, exposes graph operations for locating, navigating, expanding, and fetching, and maintains an evolving evidence state to guide retrieval until sufficient evidence is collected.

Dong Xie, Yao Tian, Hao Zhang et al. · 0 citations

OpenTela: Unifying Decentralized Computing Resources for Heterogeneous LLM Serving (Operational Systems)

OpenTela is presented, a user-space orchestration overlay that turns existing fragmented HPC clusters into a unified, cross-institutional serving platform and provides a replicable blueprint for other sovereign AI initiatives to harness their own federated GPU infrastructure.

Xiaozhe Yao, Youhe Jiang, Ilia Badanin et al. · 0 citations
#small language model Preprint Aug 2026

Identify, Locate, Link: End-to-End Key-Value Extraction from Document Images

SmolDocling, a compact 256M-parameter vision-language model (VLM), is fine-tune to perform end-to-end key-value extraction directly from document images, jointly solving identification, localization, and association in a single pass without OCR preprocessing.

A. Gurbuz, A. Nassar, Christoph Auer et al. · 0 citations