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Recent advances in text-to-image (T2I) generation have achieved remarkable visual outcomes through large-scale rectified flow models. However, how these models behave under long prompts remains underexplored. Long prompts encode rich…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Bo-Kai Ruan , Teng-Fang Hsiao , Ling Lo , Yi-Lun Wu , Hong-Han Shuai

As language models have a greater impact on society, it is important to ensure they are aligned to a diverse range of perspectives and are able to reflect nuance in human values. However, the most popular training paradigms for modern…

Computation and Language · Computer Science 2025-10-21 Chu Fei Luo , Samuel Dahan , Xiaodan Zhu

Dialogue generation has been successfully learned from scratch by neural networks, but tends to produce the same general response, e.g., "what are you talking about?", in many conversations. To reduce this homogeneity, external knowledge…

Computation and Language · Computer Science 2021-04-07 Yi-Lin Tuan , Wei Wei , William Yang Wang

Recent years have seen increasing concerns about the unsafe response generation of large-scale dialogue systems, where agents will learn offensive or biased behaviors from the real-world corpus. Some methods are proposed to address the…

Computation and Language · Computer Science 2023-05-26 Zi Liang , Pinghui Wang , Ruofei Zhang , Shuo Zhang , Xiaofan Ye Yi Huang , Junlan Feng

We present a novel response generation system that can be trained end to end on large quantities of unstructured Twitter conversations. A neural network architecture is used to address sparsity issues that arise when integrating contextual…

Computation and Language · Computer Science 2015-06-23 Alessandro Sordoni , Michel Galley , Michael Auli , Chris Brockett , Yangfeng Ji , Margaret Mitchell , Jian-Yun Nie , Jianfeng Gao , Bill Dolan

The task of predicting dialog acts (DA) based on conversational dialog is a key component in the development of conversational agents. Accurately predicting DAs requires a precise modeling of both the conversation and the global tag…

Computation and Language · Computer Science 2020-02-27 Pierre Colombo , Emile Chapuis , Matteo Manica , Emmanuel Vignon , Giovanna Varni , Chloe Clavel

Deep-learning models for language generation tasks tend to produce repetitive output. Various methods have been proposed to encourage lexical diversity during decoding, but this often comes at a cost to the perceived fluency and adequacy of…

Computation and Language · Computer Science 2021-09-22 Giulio Zhou , Gerasimos Lampouras

In recent research on dialogue systems and corpora, there has been a significant focus on two distinct categories: task-oriented (TOD) and open-domain (chit-chat) dialogues. TOD systems aim to satisfy specific user goals, such as finding a…

Computation and Language · Computer Science 2023-08-29 Wen-Yu Chang , Yun-Nung Chen

Knowledge-grounded dialogue systems aim to generate coherent and engaging responses based on the dialogue contexts and selected external knowledge. Previous knowledge selection methods tend to rely too heavily on the dialogue contexts or…

Computation and Language · Computer Science 2024-03-05 Lin Xu , Qixian Zhou , Jinlan Fu , See-Kiong Ng

This study investigates the consequences of training language models on synthetic data generated by their predecessors, an increasingly prevalent practice given the prominence of powerful generative models. Diverging from the usual emphasis…

Computation and Language · Computer Science 2024-04-17 Yanzhu Guo , Guokan Shang , Michalis Vazirgiannis , Chloé Clavel

Neural state-of-the-art sequence-to-sequence (seq2seq) models often do not perform well for small training sets. We address paradigm completion, the morphological task of, given a partial paradigm, generating all missing forms. We propose…

Computation and Language · Computer Science 2019-05-10 Katharina Kann , Hinrich Schütze

Joint entity and relation extraction aims to extract relation triplets from plain text directly. Prior work leverages Sequence-to-Sequence (Seq2Seq) models for triplet sequence generation. However, Seq2Seq enforces an unnecessary order on…

Computation and Language · Computer Science 2020-10-07 Ranran Haoran Zhang , Qianying Liu , Aysa Xuemo Fan , Heng Ji , Daojian Zeng , Fei Cheng , Daisuke Kawahara , Sadao Kurohashi

Generative AI models reproduce the human biases in their training data and further amplify them through mechanisms such as mode collapse. The loss of diversity produces homogenization, which not only harms the minoritized but impoverishes…

Artificial Intelligence · Computer Science 2026-05-19 Ian Rios-Sialer

Conversational models that are generative and open-domain are particularly susceptible to generating unsafe content since they are trained on web-based social data. Prior approaches to mitigating this issue have drawbacks, such as…

Computation and Language · Computer Science 2023-04-26 Leila Khalatbari , Yejin Bang , Dan Su , Willy Chung , Saeed Ghadimi , Hossein Sameti , Pascale Fung

While sequence-to-sequence (seq2seq) models achieve state-of-the-art performance in many natural language processing tasks, they can be too slow for real-time applications. One performance bottleneck is predicting the most likely next token…

Computation and Language · Computer Science 2019-07-26 Chunyang Xiao , Christoph Teichmann , Konstantine Arkoudas

Educational chatbots are a promising tool for assisting student learning. However, the development of effective chatbots in education has been challenging, as high-quality data is seldom available in this domain. In this paper, we propose a…

Computation and Language · Computer Science 2024-03-07 Junling Wang , Jakub Macina , Nico Daheim , Sankalan Pal Chowdhury , Mrinmaya Sachan

The rise of large language models (LLMs) has enabled us to seek answers to inherently debatable questions on LLM chatbots, necessitating a reliable way to evaluate their ability. However, traditional QA benchmarks assume fixed answers are…

Computation and Language · Computer Science 2024-08-05 Rongwu Xu , Xuan Qi , Zehan Qi , Wei Xu , Zhijiang Guo

Consistency Identification has obtained remarkable success on open-domain dialogue, which can be used for preventing inconsistent response generation. However, in contrast to the rapid development in open-domain dialogue, few efforts have…

Computation and Language · Computer Science 2021-09-24 Libo Qin , Tianbao Xie , Shijue Huang , Qiguang Chen , Xiao Xu , Wanxiang Che

Recent advancements in conversational systems have significantly enhanced human-machine interactions across various domains. However, training these systems is challenging due to the scarcity of specialized dialogue data. Traditionally,…

Computation and Language · Computer Science 2026-05-29 Heydar Soudani , Roxana Petcu , Evangelos Kanoulas , Faegheh Hasibi

Sequence-to-sequence (seq2seq) approach for low-resource ASR is a relatively new direction in speech research. The approach benefits by performing model training without using lexicon and alignments. However, this poses a new problem of…