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Research in unsupervised text generation has been gaining attention over the years. One recent approach is local search towards a heuristically defined objective, which specifies language fluency, semantic meanings, and other task-specific…

计算与语言 · 计算机科学 2022-03-24 Weikai Steven Lu

While large neural-based conversational models have become increasingly proficient dialogue agents, recent work has highlighted safety issues with these systems. For example, these systems can be goaded into generating toxic content, which…

计算与语言 · 计算机科学 2023-10-24 Nicholas Meade , Spandana Gella , Devamanyu Hazarika , Prakhar Gupta , Di Jin , Siva Reddy , Yang Liu , Dilek Hakkani-Tür

Paraphrase generation, a.k.a. paraphrasing, is a common and important task in natural language processing. Emotional paraphrasing, which changes the emotion embodied in a piece of text while preserving its meaning, has many potential…

计算与语言 · 计算机科学 2023-06-12 Justin J. Xie , Ameeta Agrawal

Retrieval-augmented generation have become central in natural language processing due to their efficacy in generating factual content. While traditional methods employ single-time retrieval, more recent approaches have shifted towards…

计算与语言 · 计算机科学 2024-02-20 Yujia Zhou , Zheng Liu , Jiajie Jin , Jian-Yun Nie , Zhicheng Dou

We introduce a new dynamic vocabulary for language models. It can involve arbitrary text spans during generation. These text spans act as basic generation bricks, akin to tokens in the traditional static vocabularies. We show that, the…

计算与语言 · 计算机科学 2024-10-14 Yanting Liu , Tao Ji , Changzhi Sun , Yuanbin Wu , Xiaoling Wang

To learn a semantic parser from denotations, a learning algorithm must search over a combinatorially large space of logical forms for ones consistent with the annotated denotations. We propose a new online learning algorithm that searches…

计算与语言 · 计算机科学 2017-09-04 Yuchen Zhang , Panupong Pasupat , Percy Liang

We propose a method for natural language generation, choosing the most representative output rather than the most likely output. By viewing the language generation process from the voting theory perspective, we define representativeness…

计算与语言 · 计算机科学 2020-05-27 Sebastian Borgeaud , Guy Emerson

This paper presents a new method for automatically detecting words with lexical gender in large-scale language datasets. Currently, the evaluation of gender bias in natural language processing relies on manually compiled lexicons of…

计算与语言 · 计算机科学 2022-06-29 Marion Bartl , Susan Leavy

For dialogue response generation, traditional generative models generate responses solely from input queries. Such models rely on insufficient information for generating a specific response since a certain query could be answered in…

计算与语言 · 计算机科学 2020-03-02 Deng Cai , Yan Wang , Victoria Bi , Zhaopeng Tu , Xiaojiang Liu , Wai Lam , Shuming Shi

A statistical model for segmentation and word discovery in continuous speech is presented. An incremental unsupervised learning algorithm to infer word boundaries based on this model is described. Results of empirical tests showing that the…

计算与语言 · 计算机科学 2007-05-23 Anand Venkataraman

Large language models (LLMs) have made remarkable progress in a wide range of natural language understanding and generation tasks. However, their ability to generate counterfactuals has not been examined systematically. To bridge this gap,…

计算与语言 · 计算机科学 2024-02-26 Yongqi Li , Mayi Xu , Xin Miao , Shen Zhou , Tieyun Qian

Given a text and an image of a specific subject, text-to-image customization aims to generate new images that align with both the text and the subject's appearance. Existing works follow the pseudo-word paradigm, which represents the…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Zhendong Mao , Mengqi Huang , Fei Ding , Mingcong Liu , Qian He , Yongdong Zhang

Text-to-image customization, which aims to synthesize text-driven images for the given subjects, has recently revolutionized content creation. Existing works follow the pseudo-word paradigm, i.e., represent the given subjects as…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Mengqi Huang , Zhendong Mao , Mingcong Liu , Qian He , Yongdong Zhang

Towards human-like dialogue systems, current emotional dialogue approaches jointly model emotion and semantics with a unified neural network. This strategy tends to generate safe responses due to the mutual restriction between emotion and…

计算与语言 · 计算机科学 2024-10-02 Yushan Qian , Bo Wang , Shangzhao Ma , Wu Bin , Shuo Zhang , Dongming Zhao , Kun Huang , Yuexian Hou

We propose a method for program generation based on semantic scaffolds, lightweight structures representing the high-level semantic and syntactic composition of a program. By first searching over plausible scaffolds then using these as…

计算与语言 · 计算机科学 2020-05-13 Ruiqi Zhong , Mitchell Stern , Dan Klein

Recent advances in large language models have enabled the development of viable generative retrieval systems. Instead of a traditional document ranking, generative retrieval systems often directly return a grounded generated text as a…

Maximum Mutual information (MMI), which models the bidirectional dependency between responses ($y$) and contexts ($x$), i.e., the forward probability $\log p(y|x)$ and the backward probability $\log p(x|y)$, has been widely used as the…

计算与语言 · 计算机科学 2020-02-14 Qinghong Han , Yuxian Meng , Fei Wu , Jiwei Li

The majority of current systems for end-to-end dialog generation focus on response quality without an explicit control over the affective content of the responses. In this paper, we present an affect-driven dialog system, which generates…

计算与语言 · 计算机科学 2019-04-08 Pierre Colombo , Wojciech Witon , Ashutosh Modi , James Kennedy , Mubbasir Kapadia

We perform statistical analysis of the phenomenon of neology, the process by which new words emerge in a language, using large diachronic corpora of English. We investigate the importance of two factors, semantic sparsity and frequency…

计算与语言 · 计算机科学 2020-01-23 Maria Ryskina , Ella Rabinovich , Taylor Berg-Kirkpatrick , David R. Mortensen , Yulia Tsvetkov

Sensational headlines are headlines that capture people's attention and generate reader interest. Conventional abstractive headline generation methods, unlike human writers, do not optimize for maximal reader attention. In this paper, we…

计算与语言 · 计算机科学 2019-09-10 Peng Xu , Chien-Sheng Wu , Andrea Madotto , Pascale Fung