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Deploying Large Language Models (LLMs) for regulatory compliance demands rigorous traceability via comprehensive citations across multi-tiered authority structures. Unlike traditional multi-hop or legal QA, this task requires structured…

Artificial Intelligence · Computer Science 2026-05-29 Yeong-Joon Ju , Seong-Whan Lee

The task of zero-shot commonsense question answering evaluates models on their capacity to reason about general scenarios beyond those presented in specific datasets. Existing approaches for tackling this task leverage external knowledge…

Computation and Language · Computer Science 2023-10-23 Weiqi Wang , Tianqing Fang , Wenxuan Ding , Baixuan Xu , Xin Liu , Yangqiu Song , Antoine Bosselut

We introduce ART, a new corpus-level autoencoding approach for training dense retrieval models that does not require any labeled training data. Dense retrieval is a central challenge for open-domain tasks, such as Open QA, where…

Computation and Language · Computer Science 2023-04-04 Devendra Singh Sachan , Mike Lewis , Dani Yogatama , Luke Zettlemoyer , Joelle Pineau , Manzil Zaheer

Retrieval-Augmented Generation (RAG) has been empirically shown to enhance the performance of large language models (LLMs) in knowledge-intensive domains such as healthcare, finance, and legal contexts. Given a query, RAG retrieves relevant…

Cryptography and Security · Computer Science 2025-06-02 Xun Xian , Ganghua Wang , Xuan Bi , Jayanth Srinivasa , Ashish Kundu , Charles Fleming , Mingyi Hong , Jie Ding

Retrieval-based multimodal document QA aims to identify and integrate relevant information from visually rich documents with complex multimodal structures. While retrieval-augmented generation (RAG) has shown strong performance in…

Information Retrieval · Computer Science 2026-04-21 Hui Wu , Haoquan Zhai , Yuchen Li , Hengyi Cai , Peirong Zhang , Yidan Zhang , Lei Wang , Chunle Wang , Yingyan Hou , Shuaiqiang Wang , Dawei Yin

Autonomous-driving research has recently embraced deep Reinforcement Learning (RL) as a promising framework for data-driven decision making, yet a clear picture of how these algorithms are currently employed, benchmarked and evaluated is…

Robotics · Computer Science 2025-09-11 Elahe Delavari , Feeza Khan Khanzada , Jaerock Kwon

Information retrieval (IR) or knowledge retrieval, is a critical component for many down-stream tasks such as open-domain question answering (QA). It is also very challenging, as it requires succinctness, completeness, and correctness. In…

Computation and Language · Computer Science 2023-08-10 Xiaodong Yu , Ben Zhou , Dan Roth

Mobile agents have made progress toward reliable smartphone automation, yet performance in complex applications remains limited by incomplete knowledge and weak generalization to unseen environments. We introduce a curiosity driven…

Artificial Intelligence · Computer Science 2026-01-28 Sijia Li , Xiaoyu Tan , Shahir Ali , Niels Schmidt , Gengchen Ma , Xihe Qiu

Considering the limited internal parametric knowledge, retrieval-augmented generation (RAG) has been widely used to extend the knowledge scope of large language models (LLMs). Despite the extensive efforts on RAG research, in existing…

Computation and Language · Computer Science 2024-11-22 Yuhao Wang , Ruiyang Ren , Junyi Li , Wayne Xin Zhao , Jing Liu , Ji-Rong Wen

Qualitative Comparative Analysis (QCA) requires researchers to choose calibration and dichotomization thresholds, and these choices can substantially affect truth tables, minimization, and resulting solution formulas. Despite this…

Methodology · Statistics 2026-02-19 Yuki Toyoda

Institutional decisions -- regulatory compliance, clinical triage, prior authorization appeal -- require a different AI architecture than general-purpose agents provide. Agent frameworks infer authority conversationally, reconstruct…

Artificial Intelligence · Computer Science 2026-04-14 Mamadou Seck

Given a query and a document corpus, the information retrieval (IR) task is to output a ranked list of relevant documents. Combining large language models (LLMs) with embedding-based retrieval models, recent work shows promising results on…

Computation and Language · Computer Science 2023-11-01 Daman Arora , Anush Kini , Sayak Ray Chowdhury , Nagarajan Natarajan , Gaurav Sinha , Amit Sharma

We propose Referral-Augmented Retrieval (RAR), a simple technique that concatenates document indices with referrals, i.e. text from other documents that cite or link to the given document, to provide significant performance gains for…

Computation and Language · Computer Science 2023-05-25 Michael Tang , Shunyu Yao , John Yang , Karthik Narasimhan

Neural ranking models have shown outstanding performance across a variety of tasks, such as document retrieval, re-ranking, question answering and conversational retrieval. However, the inner decision process of these models remains largely…

Information Retrieval · Computer Science 2025-10-09 Cile van Marken , Roxana Petcu

Recent approaches to leveraging deep learning for computing reachable sets of continuous-time dynamical systems have gained popularity over traditional level-set methods, as they overcome the curse of dimensionality. However, as with…

Systems and Control · Electrical Eng. & Systems 2025-04-01 Prashant Solanki , Nikolaus Vertovec , Yannik Schnitzer , Jasper Van Beers , Coen de Visser , Alessandro Abate

Retrieval-augmented generation (RAG) grounds answers in retrieved passages, but retrieval is not verification: a passage can be topical and still fail to justify the answer. We frame this gap as evidence sufficiency verification for…

Computation and Language · Computer Science 2026-05-06 Jingxi Qiu , Zeyu Han , Cheng Huang

A novel deep multi-agent reinforcement learning framework is proposed to identify and resolve conflicts among a variable number of aircraft in a high-density, stochastic, and dynamic sector. Currently the sector capacity is constrained by…

Machine Learning · Computer Science 2020-08-28 Marc Brittain , Xuxi Yang , Peng Wei

Retrieval-augmented generation (RAG) increasingly underpins high-stakes applications, yet remains vulnerable to Confundo-style poisoning where adversarially optimized documents manipulate generated outputs. Existing defenses assume that…

Cryptography and Security · Computer Science 2026-05-27 Zhe Yu , Wenpeng Xing , Gaolei Li , Shuguang Xiong , Hongzhi Wang , Xuyang Teng , Meng Han

Retrieval-Augmented Generation (RAG) offers a well-established path to grounding large language model (LLM) outputs in external knowledge, yet the question of which retrieval strategy works best in a high-stakes domain such as biomedicine…

Computation and Language · Computer Science 2026-05-05 Devi Prasad Bal , Subhashree Puhan

In high-stakes legal domains, retrieval must preserve not only semantic relevance, but also the hierarchy, temporality, and causal provenance of legal norms. Standard Retrieval-Augmented Generation (RAG), based mainly on semantic similarity…

Artificial Intelligence · Computer Science 2026-04-30 Hudson de Martim