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Large language models (LLMs) have shown strong capabilities, enabling concise, context-aware answers in question answering (QA) tasks. The lack of transparency in complex LLMs has inspired extensive research aimed at developing methods to…

计算与语言 · 计算机科学 2025-09-22 Yangyi Li , Mengdi Huai

E-commerce query understanding is the process of inferring the shopping intent of customers by extracting semantic meaning from their search queries. The recent progress of pre-trained masked language models (MLM) in natural language…

计算与语言 · 计算机科学 2022-10-11 Haoming Jiang , Tianyu Cao , Zheng Li , Chen Luo , Xianfeng Tang , Qingyu Yin , Danqing Zhang , Rahul Goutam , Bing Yin

With the rapid growth of knowledge bases (KBs), question answering over knowledge base, a.k.a. KBQA has drawn huge attention in recent years. Most of the existing KBQA methods follow so called encoder-compare framework. They map the…

计算与语言 · 计算机科学 2018-05-29 Yingqi Qu , Jie Liu , Liangyi Kang , Qinfeng Shi , Dan Ye

Deep neural networks (DNNs) are known for extracting useful information from large amounts of data. However, the representations learned in DNNs are typically hard to interpret, especially in dense layers. One crucial issue of the classical…

神经与进化计算 · 计算机科学 2021-05-06 Yuyang Gao , Giorgio A. Ascoli , Liang Zhao

End-to-end trained neural networks (NNs) are a compelling approach to autonomous vehicle control because of their ability to learn complex tasks without manual engineering of rule-based decisions. However, challenging road conditions,…

人工智能 · 计算机科学 2021-11-24 Alexander Amini , Ava Soleimany , Sertac Karaman , Daniela Rus

When the world changes, so does the text that humans write about it. How do we build language models that can be easily updated to reflect these changes? One popular approach is retrieval-augmented generation, in which new documents are…

计算与语言 · 计算机科学 2024-06-18 Belinda Z. Li , Emmy Liu , Alexis Ross , Abbas Zeitoun , Graham Neubig , Jacob Andreas

The reading comprehension task, that asks questions about a given evidence document, is a central problem in natural language understanding. Recent formulations of this task have typically focused on answer selection from a set of…

计算与语言 · 计算机科学 2017-03-21 Kenton Lee , Shimi Salant , Tom Kwiatkowski , Ankur Parikh , Dipanjan Das , Jonathan Berant

Neural networks (NNs) lack measures of "reliability" estimation that would enable reasoning over their predictions. Despite the vital importance, especially in areas of human well-being and health, state-of-the-art uncertainty estimation…

机器学习 · 计算机科学 2021-02-12 Lorena Qendro , Jagmohan Chauhan , Alberto Gil C. P. Ramos , Cecilia Mascolo

Dual-Encoders is a promising mechanism for answer retrieval in question answering (QA) systems. Currently most conventional Dual-Encoders learn the semantic representations of questions and answers merely through matching score. Researchers…

计算与语言 · 计算机科学 2022-06-08 Yanmeng Wang , Jun Bai , Ye Wang , Jianfei Zhang , Wenge Rong , Zongcheng Ji , Shaojun Wang , Jing Xiao

Entity Set Expansion (ESE) is a critical task aiming at expanding entities of the target semantic class described by seed entities. Most existing ESE methods are retrieval-based frameworks that need to extract contextual features of…

计算与语言 · 计算机科学 2024-08-06 Shulin Huang , Shirong Ma , Yangning Li , Yinghui Li , Hai-Tao Zheng

Recently, end-to-end memory networks have shown promising results on Question Answering task, which encode the past facts into an explicit memory and perform reasoning ability by making multiple computational steps on the memory. However,…

信息检索 · 计算机科学 2016-09-29 Jiaming Xu , Jing Shi , Yiqun Yao , Suncong Zheng , Bo Xu , Bo Xu

Decoding linguistic information from non-invasive brain signals using EEG has gained increasing research attention due to its vast applicational potential. Recently, a number of works have adopted a generative-based framework to decode…

计算与语言 · 计算机科学 2024-08-12 Jinzhao Zhou , Yiqun Duan , Ziyi Zhao , Yu-Cheng Chang , Yu-Kai Wang , Thomas Do , Chin-Teng Lin

This study mainly investigates two common decoding problems in neural keyphrase generation: sequence length bias and beam diversity. To tackle the problems, we introduce a beam search decoding strategy based on word-level and ngram-level…

计算与语言 · 计算机科学 2023-10-31 Iftitahu Ni'mah , Vlado Menkovski , Mykola Pechenizkiy

Short-text classification, like all data science, struggles to achieve high performance using limited data. As a solution, a short sentence may be expanded with new and relevant feature words to form an artificially enlarged dataset, and…

计算与语言 · 计算机科学 2019-09-18 Duncan Cameron-Steinke

Despite the remarkable performance of text-to-image diffusion models in image generation tasks, recent studies have raised the issue that generated images sometimes cannot capture the intended semantic contents of the text prompts, which…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Geon Yeong Park , Jeongsol Kim , Beomsu Kim , Sang Wan Lee , Jong Chul Ye

Extractive reading comprehension systems are designed to locate the correct answer to a question within a given text. However, a persistent challenge lies in ensuring these models maintain high accuracy in answering questions while reliably…

计算与语言 · 计算机科学 2025-04-09 Qian-Wen Zhang , Fang Li , Jie Wang , Lingfeng Qiao , Yifei Yu , Di Yin , Xing Sun

In practical application of speech codecs, a multitude of factors such as the quality of the radio connection, limiting hardware or required user experience necessitate trade-offs between achievable perceptual quality, engendered bitrate…

音频与语音处理 · 电气工程与系统科学 2026-02-25 Kishan Gupta , Srikanth Korse , Andreas Brendel , Nicola Pia , Guillaume Fuchs

In this paper, we propose a method for incorporating world knowledge (linked entities and fine-grained entity types) into a neural question generation model. This world knowledge helps to encode additional information related to the…

计算与语言 · 计算机科学 2025-12-25 Deepak Gupta , Kaheer Suleman , Mahmoud Adada , Andrew McNamara , Justin Harris

Unified Multimodal Models (UMMs) exhibit strong understanding, yet this capability often fails to effectively guide generation. We identify this as a Cognitive Gap: the model lacks the understanding of how to enhance its own generation…

人工智能 · 计算机科学 2026-01-29 Zhenchen Tang , Songlin Yang , Zichuan Wang , Bo Peng , Yang Li , Beibei Dong , Jing Dong

Recent years have seen significant advancement in text generation tasks with the help of neural language models. However, there exists a challenging task: generating math problem text based on mathematical equations, which has made little…

计算与语言 · 计算机科学 2021-07-27 Tianyang Cao , Shuang Zeng , Songge Zhao , Mairgup Mansur , Baobao Chang