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The overall objective of 'social' dialogue systems is to support engaging, entertaining, and lengthy conversations on a wide variety of topics, including social chit-chat. Apart from raw dialogue data, user-provided ratings are the most…

计算与语言 · 计算机科学 2018-11-05 Igor Shalyminov , Ondřej Dušek , Oliver Lemon

We introduce sub-sentence encoder, a contrastively-learned contextual embedding model for fine-grained semantic representation of text. In contrast to the standard practice with sentence embeddings, where the meaning of an entire sequence…

计算与语言 · 计算机科学 2023-11-09 Sihao Chen , Hongming Zhang , Tong Chen , Ben Zhou , Wenhao Yu , Dian Yu , Baolin Peng , Hongwei Wang , Dan Roth , Dong Yu

Unified multimodal models aim to jointly enable visual understanding and generation, yet current benchmarks rarely examine their true integration. Existing evaluations either treat the two abilities in isolation or overlook tasks that…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Kai Zou , Ziqi Huang , Yuhao Dong , Shulin Tian , Dian Zheng , Hongbo Liu , Jingwen He , Bin Liu , Yu Qiao , Ziwei Liu

Abstractive summarization aims to generate a shorter version of the document covering all the salient points in a compact and coherent fashion. On the other hand, query-based summarization highlights those points that are relevant in the…

计算与语言 · 计算机科学 2018-07-16 Preksha Nema , Mitesh Khapra , Anirban Laha , Balaraman Ravindran

Stochastic sampling strategies such as top-k and top-p have been widely used in dialogue generation task. However, as an open-domain chatting system, there will be two different conversation scenarios, i.e. chit-chat and knowledge-based…

计算与语言 · 计算机科学 2024-06-13 Yiwei Li , Fei Mi , Yitong Li , Yasheng Wang , Bin Sun , Shaoxiong Feng , Kan Li

In current Large Language Models we can trust the production of smoothly flowing prose on the basis of the principles of machine learning. However, there is no comparably principled basis to justify trust in the content of the text…

人工智能 · 计算机科学 2026-05-15 Leslie G. Valiant

This paper presents a novel open-domain dialogue generation model emphasizing the differentiation of speakers in multi-turn conversations. Differing from prior work that solely relies on the content of conversation history to generate a…

计算与语言 · 计算机科学 2021-10-18 Zihao Wang , Ming Jiang , Junli Wang

In the task of machine translation, context information is one of the important factor. But considering the context information model dose not proposed. The paper propose a new model which can integrate context information and make…

计算与语言 · 计算机科学 2019-04-02 Tetsuto Takano , Satoshi Yamane

Text alignment finds application in tasks such as citation recommendation and plagiarism detection. Existing alignment methods operate at a single, predefined level and cannot learn to align texts at, for example, sentence and document…

计算与语言 · 计算机科学 2020-10-06 Xuhui Zhou , Nikolaos Pappas , Noah A. Smith

Prompting is fundamental to unlocking the full potential of large language models. To automate and enhance this process, automatic prompt optimization (APO) has been developed, demonstrating effectiveness primarily in text-only input…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Qipeng Zhu , Yanzhe Chen , Huasong Zhong , Yan Li , Jie Chen , Zhixin Zhang , Junping Zhang , Zhenheng Yang

What makes a universal sentence encoder universal? The notion of a generic encoder of text appears to be at odds with the inherent contextualization and non-permanence of language use in a dynamic world. However, mapping sentences into…

计算与语言 · 计算机科学 2020-02-21 Jamie Kiros

Conversational recommender systems aim to provide personalized recommendations by analyzing and utilizing contextual information related to dialogue. However, existing methods typically model the dialogue context as a whole, neglecting the…

信息检索 · 计算机科学 2025-04-25 Guojia An , Jie Zou , Jiwei Wei , Chaoning Zhang , Fuming Sun , Yang Yang

Existing work in multilingual pretraining has demonstrated the potential of cross-lingual transferability by training a unified Transformer encoder for multiple languages. However, much of this work only relies on the shared vocabulary and…

计算与语言 · 计算机科学 2021-06-03 Fuli Luo , Wei Wang , Jiahao Liu , Yijia Liu , Bin Bi , Songfang Huang , Fei Huang , Luo Si

With the rapid development of artificial intelligence, conversational bots have became prevalent in mainstream E-commerce platforms, which can provide convenient customer service timely. To satisfy the user, the conversational bots need to…

计算与语言 · 计算机科学 2021-09-23 Zhenyu Zhang , Tao Guo , Meng Chen

Understanding the textual components of resumes and job postings is critical for improving job-matching accuracy and optimizing job search systems in online recruitment platforms. However, existing works primarily focus on analyzing…

计算与语言 · 计算机科学 2025-02-06 Napat Laosaengpha , Thanit Tativannarat , Attapol Rutherford , Ekapol Chuangsuwanich

When provided with sufficient explanatory context, smaller Language Models have been shown to exhibit strong reasoning ability on challenging short-answer question-answering tasks where the questions are unseen in training. We evaluate two…

计算与语言 · 计算机科学 2023-10-16 Tim Hartill , Diana Benavides-Prado , Michael Witbrock , Patricia J. Riddle

Chain-of-Thought (CoT) reasoning has been widely adopted to enhance Large Language Models (LLMs) by decomposing complex tasks into simpler, sequential subtasks. However, extending CoT to vision-language reasoning tasks remains challenging,…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Luozheng Qin , Jia Gong , Yuqing Sun , Tianjiao Li , Mengping Yang , Xiaomeng Yang , Chao Qu , Zhiyu Tan , Hao Li

Visual Dialog aims to answer multi-round, interactive questions based on the dialog history and image content. Existing methods either consider answer ranking and generating individually or only weakly capture the relation across the two…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Cheng Chen , Yudong Zhu , Zhenshan Tan , Qingrong Cheng , Xin Jiang , Qun Liu , Xiaodong Gu

Constrained decoding approaches aim to control the meaning or style of text generated by the pre-trained large language models (LLMs or also PLMs) for various tasks at inference time. However, these methods often guide plausible…

计算与语言 · 计算机科学 2025-05-06 Chen Xu , Tian Lan , Yu Ji , Changlong Yu , Wei Wang , Jun Gao , Qunxi Dong , Kun Qian , Piji Li , Wei Bi , Bin Hu

With the rise of generative paradigms, generative recommendation has garnered increasing attention. The core component is the item code, generally derived by quantizing collaborative or semantic representations to serve as candidate items…

信息检索 · 计算机科学 2025-12-16 Longtao Xiao , Haozhao Wang , Cheng Wang , Linfei Ji , Yifan Wang , Jieming Zhu , Zhenhua Dong , Rui Zhang , Ruixuan Li