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Recently, self-attention models such as Transformers have given competitive results compared to recurrent neural network systems in speech recognition. The key factor for the outstanding performance of self-attention models is their ability…

音频与语音处理 · 电气工程与系统科学 2020-05-29 Shucong Zhang , Erfan Loweimi , Peter Bell , Steve Renals

Transformers have become central to natural language processing and large language models, but their deployment at scale faces three major challenges. First, the attention mechanism requires massive matrix multiplications and frequent…

硬件体系结构 · 计算机科学 2026-01-22 Xiaoxuan Yang , Peilin Chen , Tergel Molom-Ochir , Yiran Chen

Traditional video summarization methods generate fixed video representations regardless of user interest. Therefore such methods limit users' expectations in content search and exploration scenarios. Multi-modal video summarization is one…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Jia-Hong Huang , Luka Murn , Marta Mrak , Marcel Worring

Document Visual Question Answering (DocVQA) requires models to jointly understand textual semantics, spatial layout, and visual features. Current methods struggle with explicit spatial relationship modeling, inefficiency with…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Ahmad Mohammadshirazi , Pinaki Prasad Guha Neogi , Dheeraj Kulshrestha , Rajiv Ramnath

While language Models store a massive amount of world knowledge implicitly in their parameters, even very large models often fail to encode information about rare entities and events, while incurring huge computational costs. Recently,…

计算与语言 · 计算机科学 2022-10-21 Wenhu Chen , Hexiang Hu , Xi Chen , Pat Verga , William W. Cohen

The increasing availability of multimodal data across text, tables, and images presents new challenges for developing models capable of complex cross-modal reasoning. Existing methods for Multimodal Multi-hop Question Answering (MMQA) often…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Qi Zhi Lim , Chin Poo Lee , Kian Ming Lim , Kalaiarasi Sonai Muthu Anbananthen

Multi-hop question answering (MQA) is one of the challenging tasks to evaluate machine's comprehension and reasoning abilities, where large language models (LLMs) have widely achieved the human-comparable performance. Due to the dynamics of…

计算与语言 · 计算机科学 2024-02-16 Hengrui Gu , Kaixiong Zhou , Xiaotian Han , Ninghao Liu , Ruobing Wang , Xin Wang

Human-robot collaboration towards a shared goal requires robots to understand human action and interaction with the surrounding environment. This paper focuses on human-robot interaction (HRI) based on human-robot dialogue that relies on…

机器人学 · 计算机科学 2025-11-24 Chiori Hori , Yoshiki Masuyama , Siddarth Jain , Radu Corcodel , Devesh Jha , Diego Romeres , Jonathan Le Roux

Adapting Foundation Models to new domains with limited training data is challenging and computationally expensive. While prior work has demonstrated the effectiveness of using domain-specific exemplars as in-context demonstrations, we…

人工智能 · 计算机科学 2025-10-08 Abhinav Jain , Xinyu Yao , Thomas Reps , Christopher Jermaine

Vision Transformers (ViTs) have been shown to enhance visual recognition through modeling long-range dependencies with multi-head self-attention (MHSA), which is typically formulated as Query-Key-Value computation. However, the attention…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Chongjian Ge , Xiaohan Ding , Zhan Tong , Li Yuan , Jiangliu Wang , Yibing Song , Ping Luo

Continual VideoQA with multimodal LLMs is hindered by interference between tasks and the prohibitive cost of storing task-specific prompts. We introduce HyperTokens, a transformer-based token generator that produces fine-tuning tokens on…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Toan Nguyen , Yang Liu , Celso De Melo , Flora D. Salim

In Open-domain Question Answering (ODQA), it is essential to discern relevant contexts as evidence and avoid spurious ones among retrieved results. The model architecture that uses concatenated multiple contexts in the decoding phase, i.e.,…

计算与语言 · 计算机科学 2024-04-04 Eunseong Choi , Hyeri Lee , Jongwuk Lee

Recently, there has been an increasing interest in building question answering (QA) models that reason across multiple modalities, such as text and images. However, QA using images is often limited to just picking the answer from a…

Multimodal information, together with our knowledge, help us to understand the complex and dynamic world. Large language models (LLM) and large multimodal models (LMM), however, still struggle to emulate this capability. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Yuanhan Zhang , Kaichen Zhang , Bo Li , Fanyi Pu , Christopher Arif Setiadharma , Jingkang Yang , Ziwei Liu

Prior work on automated question generation has almost exclusively focused on generating simple questions whose answers can be extracted from a single document. However, there is an increasing interest in developing systems that are capable…

计算与语言 · 计算机科学 2020-10-23 Devendra Singh Sachan , Lingfei Wu , Mrinmaya Sachan , William Hamilton

Multi-hop QA (MHQA) involves step-by-step reasoning to answer complex questions and find multiple relevant supporting facts. However, Existing large language models'(LLMs) reasoning ability in multi-hop question answering remains…

计算与语言 · 计算机科学 2024-02-20 Jian Wu , Linyi Yang , Yuliang Ji , Wenhao Huang , Börje F. Karlsson , Manabu Okumura

Long-form question answering (LFQA) aims to provide thorough and in-depth answers to complex questions, enhancing comprehension. However, such detailed responses are prone to hallucinations and factual inconsistencies, challenging their…

计算与语言 · 计算机科学 2025-06-04 Rachneet Sachdeva , Yixiao Song , Mohit Iyyer , Iryna Gurevych

Although attention-based Neural Machine Translation (NMT) has achieved remarkable progress in recent years, it still suffers from issues of repeating and dropping translations. To alleviate these issues, we propose a novel key-value…

计算与语言 · 计算机科学 2018-07-02 Fandong Meng , Zhaopeng Tu , Yong Cheng , Haiyang Wu , Junjie Zhai , Yuekui Yang , Di Wang

Answering questions using pre-trained language models (LMs) and knowledge graphs (KGs) presents challenges in identifying relevant knowledge and performing joint reasoning.We compared LMs (fine-tuned for the task) with the previously…

计算与语言 · 计算机科学 2024-01-02 Shreyas Verma , Manoj Parmar , Palash Choudhary , Sanchita Porwal

Large language models face challenges in long-context question answering, where key evidence of a query may be dispersed across millions of tokens. Existing works equip large language models with a memory buffer that is dynamically updated…

计算与语言 · 计算机科学 2026-03-03 Yaorui Shi , Yuxin Chen , Siyuan Wang , Sihang Li , Hengxing Cai , Qi Gu , Xiang Wang , An Zhang