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Large Language Models (LLMs) are increasingly deployed in long-context tasks such as reasoning, code generation, and multi-turn dialogue. However, inference over extended contexts is bottlenecked by the Key-Value (KV) cache, whose memory…

Computation and Language · Computer Science 2026-05-21 Seonghwan Choi , Beomseok Kang , Dongwon Jo , Jae-Joon Kim

Retrieval-augmented generation (RAG) often suffers from long and noisy retrieved contexts. Prior context compression methods rely on predefined importance metrics or supervised compression models, rather than on the model's own…

Computation and Language · Computer Science 2026-01-27 Yong Zhang , Heng Li , Yanwen Huang , Ning Cheng , Yang Guo , Yun Zhu , Yanmeng Wang , Shaojun Wang , Jing Xiao

In the retrieval-based multi-turn dialogue modeling, it remains a challenge to select the most appropriate response according to extracting salient features in context utterances. As a conversation goes on, topic shift at discourse-level…

Computation and Language · Computer Science 2020-12-18 Yi Xu , Hai Zhao , Zhuosheng Zhang

Semantic caching significantly reduces computational costs and improves efficiency by storing and reusing large language model (LLM) responses. However, existing systems rely primarily on matching individual queries, lacking awareness of…

Computation and Language · Computer Science 2025-07-16 Jianxin Yan , Wangze Ni , Lei Chen , Xuemin Lin , Peng Cheng , Zhan Qin , Kui Ren

Neural conversational models tend to produce generic or safe responses in different contexts, e.g., reply \textit{"Of course"} to narrative statements or \textit{"I don't know"} to questions. In this paper, we propose an end-to-end approach…

Computation and Language · Computer Science 2016-07-21 Kun Xiong , Anqi Cui , Zefeng Zhang , Ming Li

Attention mechanisms have significantly advanced visual models by capturing global context effectively. However, their reliance on large-scale datasets and substantial computational resources poses challenges in data-scarce and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Chenghao Li , Chaoning Zhang , Boheng Zeng , Yi Lu , Pengbo Shi , Qingzi Chen , Jirui Liu , Lingyun Zhu , Yang Yang , Heng Tao Shen

Establishing retrieval-based dialogue systems that can select appropriate responses from the pre-built index has gained increasing attention from researchers. For this task, the adoption of pre-trained language models (such as BERT) has led…

Computation and Language · Computer Science 2021-10-04 Chongyang Tao , Jiazhan Feng , Chang Liu , Juntao Li , Xiubo Geng , Daxin Jiang

Token representation strategies within large-scale neural architectures often rely on contextually refined embeddings, yet conventional approaches seldom encode structured relationships explicitly within token interactions. Self-attention…

Computation and Language · Computer Science 2025-03-27 James Blades , Frederick Somerfield , William Langley , Susan Everingham , Maurice Witherington

Medical image analysis continues to hold interesting challenges given the subtle characteristics of certain diseases and the significant overlap in appearance between diseases. In this work, we explore the concept of self-attention for…

Image and Video Processing · Electrical Eng. & Systems 2021-10-13 Hossein Aboutalebi , Maya Pavlova , Hayden Gunraj , Mohammad Javad Shafiee , Ali Sabri , Amer Alaref , Alexander Wong

In natural language processing (NLP), the context of a word or sentence plays an essential role. Contextual information such as the semantic representation of a passage or historical dialogue forms an essential part of a conversation and a…

Computation and Language · Computer Science 2022-11-08 Rui Yu , Yifeng Li , Wenpeng Lu , Longbing Cao

Image captioning is a challenging task at the intersection of computer vision and natural language processing, requiring models to generate meaningful textual descriptions of images. Traditional approaches rely on recurrent neural networks…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Hemanth Teja Yanambakkam , Rahul Chinthala

Can we accurately identify the true correspondences from multimodal datasets containing mismatched data pairs? Existing methods primarily emphasize the similarity matching between the representations of objects across modalities,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Quanxing Zha , Xin Liu , Shu-Juan Peng , Yiu-ming Cheung , Xing Xu , Nannan Wang

Efficiently handling long contexts in transformer-based language models with low perplexity is an active area of research. Numerous recent approaches like Linformer, Longformer, Performer, and Structured state space models (SSMs)., have not…

Machine Learning · Computer Science 2025-04-22 Sushant Singh , Ausif Mahmood

Despite the success of Transformers, handling long contexts remains challenging due to the limited length generalization and quadratic complexity of self-attention. Thus Transformers often require post-training with a larger attention…

Computation and Language · Computer Science 2025-06-13 Xiang Hu , Zhihao Teng , Jun Zhao , Wei Wu , Kewei Tu

3D dense captioning is a task involving the localization of objects and the generation of descriptions for each object in a 3D scene. Recent approaches have attempted to incorporate contextual information by modeling relationships with…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Minjung Kim , Hyung Suk Lim , Soonyoung Lee , Bumsoo Kim , Gunhee Kim

Many online comments on social media platforms are hateful, humorous, or sarcastic. The sarcastic nature of these comments (especially the short ones) alters their actual implied sentiments, which leads to misinterpretations by the existing…

Computation and Language · Computer Science 2021-04-21 Prakamya Mishra , Saroj Kaushik , Kuntal Dey

Generating textual descriptions for images has been an attractive problem for the computer vision and natural language processing researchers in recent years. Dozens of models based on deep learning have been proposed to solve this problem.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Ahmad Asadi , Reza Safabakhsh

Current language models often fail to incorporate long contexts efficiently during generation. We show that a major contributor to this issue are attention priors that are likely learned during pre-training: relevant information located…

Computation and Language · Computer Science 2023-10-04 Alexander Peysakhovich , Adam Lerer

When asked to summarize articles or answer questions given a passage, large language models (LLMs) can hallucinate details and respond with unsubstantiated answers that are inaccurate with respect to the input context. This paper describes…

Computation and Language · Computer Science 2024-10-04 Yung-Sung Chuang , Linlu Qiu , Cheng-Yu Hsieh , Ranjay Krishna , Yoon Kim , James Glass

Decoding human activity accurately from wearable sensors can aid in applications related to healthcare and context awareness. The present approaches in this domain use recurrent and/or convolutional models to capture the spatio-temporal…

Human-Computer Interaction · Computer Science 2020-12-21 Satya P. Singh , Aimé Lay-Ekuakille , Deepak Gangwar , Madan Kumar Sharma , Sukrit Gupta