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In this work, we propose a method for neural dialogue response generation that allows not only generating semantically reasonable responses according to the dialogue history, but also explicitly controlling the sentiment of the response via…

Computation and Language · Computer Science 2019-01-23 Xiang Kong , Bohan Li , Graham Neubig , Eduard Hovy , Yiming Yang

Open-domain generative dialogue systems have attracted considerable attention over the past few years. Currently, how to automatically evaluate them, is still a big challenge problem. As far as we know, there are three kinds of automatic…

Computation and Language · Computer Science 2020-04-07 Tian Lan , Xian-Ling Mao , Wei Wei , Xiaoyan Gao , Heyan Huang

Retrieval-augmented generation (RAG) systems rely on retrieval models for identifying relevant contexts and answer generation models for utilizing those contexts. However, retrievers exhibit imperfect recall and precision, limiting…

Computation and Language · Computer Science 2026-04-29 Jerry Huang , Siddarth Madala , Risham Sidhu , Cheng Niu , Hao Peng , Julia Hockenmaier , Tong Zhang

Current end-to-end neural conversation models inherently lack the flexibility to impose semantic control in the response generation process, often resulting in uninteresting responses. Attempts to boost informativeness alone come at the…

Abstractive related work generation has attracted increasing attention in generating coherent related work that better helps readers grasp the background in the current research. However, most existing abstractive models ignore the inherent…

Computation and Language · Computer Science 2023-05-24 Jiachang Liu , Qi Zhang , Chongyang Shi , Usman Naseem , Shoujin Wang , Ivor Tsang

Open domain neural dialogue models, despite their successes, are known to produce responses that lack relevance, diversity, and in many cases coherence. These shortcomings stem from the limited ability of common training objectives to…

Computation and Language · Computer Science 2019-09-06 Oluwatobi Olabiyi , Erik T. Mueller , Christopher Larson , Tarek Lahlou

Large language models exhibit a remarkable capacity for in-context learning, where they learn to solve tasks given a few examples. Recent work has shown that transformers can be trained to perform simple regression tasks in-context. This…

Machine Learning · Computer Science 2026-04-03 Hrayr Harutyunyan , Rafayel Darbinyan , Samvel Karapetyan , Hrant Khachatrian

Recent progress on neural approaches for language processing has triggered a resurgence of interest on building intelligent open-domain chatbots. However, even the state-of-the-art neural chatbots cannot produce satisfying responses for…

Computation and Language · Computer Science 2022-08-10 Behnam Hedayatnia , Di Jin , Yang Liu , Dilek Hakkani-Tur

Although deep learning models have brought tremendous advancements to the field of open-domain dialogue response generation, recent research results have revealed that the trained models have undesirable generation behaviors, such as…

Computation and Language · Computer Science 2020-08-19 Tianxing He , James Glass

Recently, open-domain dialogue systems have attracted growing attention. Most of them use the sequence-to-sequence (Seq2Seq) architecture to generate responses. However, traditional Seq2Seq-based open-domain dialogue models tend to generate…

Computation and Language · Computer Science 2020-07-06 Heng-Da Xu , Xian-Ling Mao , Zewen Chi , Jing-Jing Zhu , Fanshu Sun , Heyan Huang

Generating persona consistent dialogue response is important for developing an intelligent conversational agent. Recent works typically fine-tune large-scale pre-trained models on this task by concatenating persona texts and dialogue…

Computation and Language · Computer Science 2023-05-23 Liang Chen , Hongru Wang , Yang Deng , Wai-Chung Kwan , Zezhong Wang , Kam-Fai Wong

Determining the plausibility of causal relations between clauses is a commonsense reasoning task that requires complex inference ability. The general approach to this task is to train a large pretrained language model on a specific dataset.…

Computation and Language · Computer Science 2021-01-14 Ieva Staliūnaitė , Philip John Gorinski , Ignacio Iacobacci

Most of the existing works for dialogue generation are data-driven models trained directly on corpora crawled from websites. They mainly focus on improving the model architecture to produce better responses but pay little attention to…

Computation and Language · Computer Science 2021-06-23 Xin Li , Piji Li , Yan Wang , Xiaojiang Liu , Wai Lam

In the realm of stock prediction, machine learning models encounter considerable obstacles due to the inherent low signal-to-noise ratio and the nonstationary nature of financial markets. These challenges often result in spurious…

Portfolio Management · Quantitative Finance 2025-03-28 Songci Xu , Qiangqiang Cheng , Chi-Guhn Lee

Generating relevant responses in a dialog is challenging, and requires not only proper modeling of context in the conversation but also being able to generate fluent sentences during inference. In this paper, we propose a two-step framework…

Computation and Language · Computer Science 2020-11-04 Kashif Khan , Gaurav Sahu , Vikash Balasubramanian , Lili Mou , Olga Vechtomova

Recent work has shown that pre-trained language models such as BERT improve robustness to spurious correlations in the dataset. Intrigued by these results, we find that the key to their success is generalization from a small amount of…

Computation and Language · Computer Science 2020-08-12 Lifu Tu , Garima Lalwani , Spandana Gella , He He

Large Language Models (LLMs) are so powerful that they sometimes learn correlations between labels and features that are irrelevant to the task, leading to poor generalization on out-of-distribution data. We propose explanation-based…

Computation and Language · Computer Science 2023-06-07 Josh Magnus Ludan , Yixuan Meng , Tai Nguyen , Saurabh Shah , Qing Lyu , Marianna Apidianaki , Chris Callison-Burch

Conversational query rewriting is crucial for effective conversational search, yet traditional supervised methods require substantial labeled data, which is scarce in low-resource settings. This paper introduces Prompt-Guided In-Context…

Computation and Language · Computer Science 2025-02-24 Raymond Wilson , Chase Carter , Cole Graham

Neural conversation models are attractive because one can train a model directly on dialog examples with minimal labeling. With a small amount of data, however, they often fail to generalize over test data since they tend to capture…

Computation and Language · Computer Science 2018-11-19 Sungjin Lee

Constraint-based structure learning algorithms infer the causal structure of multivariate systems from observational data by determining an equivalent class of causal structures compatible with the conditional independencies in the data.…

Machine Learning · Statistics 2019-05-22 Daniel Chicharro , Stefano Panzeri , Ilya Shpitser