4arXiv cs.CL (Computation and Language)·
PAT: RAG-based system for whole-document, corpus-informed LLM translation beyond sentence-level paradigm
Researchers introduce PAT (Pragmatic Auto-Translator), a RAG-based system that moves LLM translation beyond sentence-by-sentence processing by pairing user-configured specifications with paragraph-, section-, and document-level examples from a comparable corpus of U.S. English and Latin American Spanish texts. The system targets draft translation for professional verification, aiming to reformulate discourse organization, rhetorical style, and pragmatic norms for the target language context. Evaluation using a customized MQM typology across six automatic translations of generative AI essays found that limited prompting produced no meaningful reformulation, while specifications and corpus-informed approaches showed partial but inconsistent improvement. The work demonstrates LLMs can be nudged toward document-level reformulation but highlights remaining gaps in effectiveness.
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Towards Reliable Multilingual LLMs-as-a-Judge: An Empirical Study
This paper systematically investigates strategies for extending LLM-based automatic evaluation (LLMs-as-a-Judge) to multilingual settings, covering high-, mid-, and low-resource languages (English, Spanish, Basque). The authors compare instruction translation, monolingual vs. multilingual supervision, and model size, finding that fine-tuned smaller models can match proprietary models when in-domain data is available, while zero-shot larger models are preferable out-of-domain. Two meta-evaluation datasets are extended to Spanish and Basque, and all data and code are publicly released.
Mistral AI: Using LLM-as-a-Judge with Structured Outputs for RAG Evaluation
Mistral AI published a technical guide on evaluating Retrieval-Augmented Generation (RAG) systems using the 'LLM as a Judge' paradigm combined with their structured outputs API feature. The approach implements the RAG Triad framework—context relevance, groundedness, and answer relevance—using Pydantic schemas to enforce machine-readable evaluation outputs. Mistral models serve as both the generator and judge components, enabling scalable automated evaluation without human annotators.
Study: LLM-Derived Error Highlights and APE Suggestions in MT Post-Editing
Researchers conducted a controlled study with professional En-Nl translators comparing post-editing (PE) workflows augmented with LLM-derived error highlights and automatic post-editing (APE) correction suggestions against regular PE and QE-derived highlights. No condition produced measurable productivity or quality gains over standard PE. However, APE-derived highlights were preferred over QE-derived highlights, and correction suggestions improved subjective user experience.
Expert Support Case Study: Bolstering a RAG App with LLM-as-a-Judge
Hugging Face published a case study describing how Digital Green used an LLM-as-a-Judge approach to evaluate and improve a retrieval-augmented generation (RAG) application. The post covers the methodology for using LLMs to score and validate RAG outputs, providing a practical deployment pattern for quality assurance in production AI systems. It serves as a concrete example of enterprise-grade evaluation pipelines built on top of RAG architectures.
Benchmarking Local LLMs for Confidential Translation Workflows
This paper evaluates locally runnable LLMs (via Ollama) for offline, privacy-constrained translation workflows targeting freelance translators and smaller language service providers. The authors expand their Reeve Foundation corpus to include German and Simplified Chinese, then benchmark local models across four language directions against commercial NMTs (DeepL, Baidu), a frontier LLM (GPT-5.2), and professional local NMT systems. Results show substantial performance variation by language direction and model size, with the best local LLMs matching or exceeding local NMT systems and the frontier LLM, though falling short of top commercial NMTs. The study supports the viability of local LLMs for confidentiality-sensitive translation use cases.
First Komi-Yazva–Russian parallel corpus and LLM translation evaluation protocol for endangered low-resource language
Researchers introduce the first Komi-Yazva–Russian parallel corpus of 457 aligned sentence pairs from 74 narrative texts, paired with a rigorous evaluation protocol for studying LLM translation under extreme data scarcity. The protocol includes story-level cross-validation, deterministic retrieval-based few-shot prompting, and both reference-based and judge-based metrics to ensure leakage-aware, reproducible evaluation. Results show LLMs produce non-trivial translations but performance varies strongly by model family; retrieval-based few-shot prompting consistently outperforms zero-shot, though gains plateau quickly. The work frames the corpus as both a dataset contribution and a reproducible testbed for endangered-language machine translation research.
AlignAtt4LLM adapts simultaneous speech translation policy to decoder-only LLMs for IWSLT 2026
Researchers present AlignAtt4LLM, a simultaneous speech translation system for IWSLT 2026 covering English to German, Italian, and Chinese. The system cascades Qwen3-ASR for incremental transcription with Gemma-4 E4B-it for translation, applying a novel AlignAtt policy adapted for decoder-only LLMs that lack encoder-decoder cross-attention. Key contributions include explicit source span prompting, offline alignment head selection, and query/key capture to recover a usable attention-based read/write policy. The system outperforms IWSLT 2026 baselines for European language pairs in both low- and high-latency regimes.
ClaMPAPP: Hybrid LLM-ML system uses language models as interfaces for pediatric appendicitis diagnosis
Researchers introduce ClaMPAPP, a hybrid clinical decision support system that uses an LLM solely for structured feature extraction from free-text clinical notes, then passes validated features to an XGBoost classifier for final diagnosis. Evaluated on two independent German pediatric appendicitis cohorts, ClaMPAPP outperformed end-to-end LLM baselines on diagnostic performance and showed greater robustness to narrative reordering. The work formalizes an 'LLM-as-interface, ML-as-predictor' design pattern that separates natural-language usability from predictive inference, offering a more auditable pathway for clinical AI.