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Hybrid retrieval techniques in Retrieval-Augmented Generation (RAG) systems enhance information retrieval by combining dense and sparse (e.g., BM25-based) retrieval methods. However, existing approaches struggle with adaptability, as fixed…

Information Retrieval · Computer Science 2025-04-01 Hsin-Ling Hsu , Jengnan Tzeng

Tool-Integrated Reasoning has emerged as a key paradigm to augment Large Language Models (LLMs) with computational capabilities, yet integrating tool-use into long Chain-of-Thought (long CoT) remains underexplored, largely due to the…

Computation and Language · Computer Science 2026-01-19 Kun Li , Zenan Xu , Junan Li , Zengrui Jin , Jinghao Deng , Zexuan Qiu , Bo Zhou

Many real-world problems are compositional - solving them requires completing interdependent sub-tasks, either in series or in parallel, that can be represented as a dependency graph. Deep reinforcement learning (RL) agents often struggle…

Machine Learning · Computer Science 2022-01-25 Izzeddin Gur , Natasha Jaques , Yingjie Miao , Jongwook Choi , Manoj Tiwari , Honglak Lee , Aleksandra Faust

In psychotherapy interactions, the quality of a session is assessed by codifying the communicative behaviors of participants during the conversation through manual observation and annotation. Developing computational approaches for…

Computation and Language · Computer Science 2022-10-27 Zhuohao Chen , Nikolaos Flemotomos , Zac E. Imel , David C. Atkins , Shrikanth Narayanan

Large Language Model (LLM)-based passage expansion has shown promise for enhancing first-stage retrieval, but often underperforms with dense retrievers due to semantic drift and misalignment with their pretrained semantic space. Beyond…

Information Retrieval · Computer Science 2025-08-26 Huanwei Xu , Lin Xu , Liang Yuan

Large Language Model (LLM) has exhibited strong reasoning ability in text-based contexts across various domains, yet the limitation of context window poses challenges for the model on long-range inference tasks and necessitates a memory…

Information Retrieval · Computer Science 2026-03-11 Mengwei Yuan , Jianan Liu , Jing Yang , Xianyou Li , Weiran Yan , Yichao Wu , Penghao Liang

Software tools for generating digital sound often present users with high-dimensional, parametric interfaces, that may not facilitate exploration of diverse sound designs. In this paper, we propose to investigate artificial agents using…

Human-Computer Interaction · Computer Science 2021-01-29 Hugo Scurto , Bavo Van Kerrebroeck , Baptiste Caramiaux , Frédéric Bevilacqua

Diffusion large language models (dLLMs) generate text via iterative denoising but consistently underperform on multi-step reasoning. We hypothesize this gap stems from a coordination problem: AR models build coherence token-by-token, while…

Artificial Intelligence · Computer Science 2026-03-17 Earl J St Sauver

Recent investigations into effective context lengths of modern flagship large language models (LLMs) have revealed major limitations in effective question answering (QA) and reasoning over long and complex contexts for even the largest and…

Computation and Language · Computer Science 2025-10-28 Anwesan Pal , Karen Hovsepian , Tinghao Guo , Mengnan Zhao , Somendra Tripathi , Nikos Kanakaris , George Mihaila , Sumit Nigam

Unsupervised Domain Adaptation (UDA) endeavors to bridge the gap between a model trained on a labeled source domain and its deployment in an unlabeled target domain. However, current high-performance models demand significant resources,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Minhee Cho , Hyesong Choi , Hayeon Jo , Dongbo Min

This technical report details a novel approach to combining reasoning and retrieval augmented generation (RAG) within a single, lean language model architecture. While existing RAG systems typically rely on large-scale models and external…

Current Text-to-audio (TTA) models mainly use coarse text descriptions as inputs to generate audio, which hinders models from generating audio with fine-grained control of content and style. Some studies try to improve the granularity by…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-01 Yuanyuan Wang , Hangting Chen , Dongchao Yang , Zhiyong Wu , Xixin Wu

In recent years, natural language generative models have shown outstanding performance in text generation tasks. However, when facing specific tasks or particular requirements, they may exhibit poor performance or require adjustments that…

Computation and Language · Computer Science 2025-10-17 Mauro Jose Pacchiotti , Luciana Ballejos , Mariel Ale

Retrieval-Augmented Generation (RAG) enhances language models by retrieving and incorporating relevant external knowledge. However, traditional retrieve-and-generate processes may not be optimized for real-world scenarios, where queries…

Computation and Language · Computer Science 2025-02-28 Ingeol Baek , Hwan Chang , Byeongjeong Kim , Jimin Lee , Hwanhee Lee

This paper presents a novel framework for structured argumentation, named extend argumentative decision graph ($xADG$). It is an extension of argumentative decision graphs built upon Dung's abstract argumentation graphs. The $xADG$…

Artificial Intelligence · Computer Science 2023-11-15 Lucas Rizzo , Luca Longo

Time series anomaly detection (TSAD) has long been a hot research topic in data mining due to its various applications. Recent studies challenge the effectiveness of popular deep learning methods for TSAD, suggesting their failure in…

Machine Learning · Computer Science 2026-05-29 Qideng Tang , Dai Chaofan , Wubin Ma , Yahui Wu , Haohao Zhou , Tao Zhang , Huan Li , Dalin Zhang

Retrieval-augmented generation (RAG) has emerged as a pivotal method for expanding the knowledge of large language models. To handle complex queries more effectively, researchers developed Adaptive-RAG (A-RAG) to enhance the generated…

Artificial Intelligence · Computer Science 2025-05-27 Jie Ou , Jinyu Guo , Shuaihong Jiang , Zhaokun Wang , Libo Qin , Shunyu Yao , Wenhong Tian

Logical Natural Language Generation, i.e., generating textual descriptions that can be logically entailed by a structured table, has been a challenge due to the low fidelity of the generation. \citet{chen2020logic2text} have addressed this…

Computation and Language · Computer Science 2021-12-14 Ao Liu , Congjian Luo , Naoaki Okazaki

Predicting answers to queries over knowledge graphs is called a complex reasoning task because answering a query requires subdividing it into subqueries. Existing query embedding methods use this decomposition to compute the embedding of a…

Databases · Computer Science 2025-02-26 Yunjie He , Bo Xiong , Daniel Hernández , Yuqicheng Zhu , Evgeny Kharlamov , Steffen Staab

Neural audio codecs (NACs) provide compact latent speech representations in the form of sequences of continuous vectors or discrete tokens. In this work, we investigate how these two types of speech representations compare when used as…

Sound · Computer Science 2026-03-12 Sofiene Kammoun , Xavier Alameda-Pineda , Simon Leglaive