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Keyphrase Prediction (KP) is essential for identifying keyphrases in a document that can summarize its content. However, recent Natural Language Processing (NLP) advances have developed more efficient KP models using deep learning…

Computation and Language · Computer Science 2024-09-04 Muhammad Umair , Tangina Sultana , Young-Koo Lee

Current unlearning methods for large language models usually rely on reverse optimization to reduce target token probabilities. However, this paradigm disrupts the subsequent tokens prediction, degrading model performance and linguistic…

Computation and Language · Computer Science 2025-05-29 Haoming Xu , Ningyuan Zhao , Liming Yang , Sendong Zhao , Shumin Deng , Mengru Wang , Bryan Hooi , Nay Oo , Huajun Chen , Ningyu Zhang

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

Maximum-likelihood estimation (MLE) is widely used in sequence to sequence tasks for model training. It uniformly treats the generation/prediction of each target token as multi-class classification, and yields non-smooth prediction…

Computation and Language · Computer Science 2018-12-13 Chengyue Gong , Xu Tan , Di He , Tao Qin

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…

Computation and Language · Computer Science 2023-10-31 Iftitahu Ni'mah , Vlado Menkovski , Mykola Pechenizkiy

Keyphrase Prediction (KP) task aims at predicting several keyphrases that can summarize the main idea of the given document. Mainstream KP methods can be categorized into purely generative approaches and integrated models with extraction…

Computation and Language · Computer Science 2021-09-01 Huanqin Wu , Wei Liu , Lei Li , Dan Nie , Tao Chen , Feng Zhang , Di Wang

Neural dialogue response generation has gained much popularity in recent years. Maximum Likelihood Estimation (MLE) objective is widely adopted in existing dialogue model learning. However, models trained with MLE objective function are…

Computation and Language · Computer Science 2020-10-14 Hengyi Cai , Hongshen Chen , Yonghao Song , Zhuoye Ding , Yongjun Bao , Weipeng Yan , Xiaofang Zhao

Generative language models are usually pretrained on large text corpus via predicting the next token (i.e., sub-word/word/phrase) given the previous ones. Recent works have demonstrated the impressive performance of large generative…

Computation and Language · Computer Science 2026-01-16 Zhenpeng Su , Xing Wu , Xue Bai , Zijia Lin , Hui Chen , Guiguang Ding , Wei Zhou , Songlin Hu

While large-scale neural language models, such as GPT2 and BART, have achieved impressive results on various text generation tasks, they tend to get stuck in undesirable sentence-level loops with maximization-based decoding algorithms…

Computation and Language · Computer Science 2022-10-11 Jin Xu , Xiaojiang Liu , Jianhao Yan , Deng Cai , Huayang Li , Jian Li

In recent years, neural paraphrase generation based on Seq2Seq has achieved superior performance, however, the generated paraphrase still has the problem of lack of diversity. In this paper, we focus on improving the diversity between the…

Computation and Language · Computer Science 2021-09-07 Zhe Lin , Xiaojun Wan

Keyphrase generation refers to the task of producing a set of words or phrases that summarises the content of a document. Continuous efforts have been dedicated to this task over the past few years, spreading across multiple lines of…

Information Retrieval · Computer Science 2025-06-13 Florian Boudin , Akiko Aizawa

Sequence-to-sequence (seq2seq) learning is a popular fashion for large-scale pretraining language models. However, the prior seq2seq pretraining models generally focus on reconstructive objectives on the decoder side and neglect the effect…

Computation and Language · Computer Science 2024-01-10 Qihuang Zhong , Liang Ding , Juhua Liu , Bo Du , Dacheng Tao

Neural sequence labeling (NSL) aims at assigning labels for input language tokens, which covers a broad range of applications, such as named entity recognition (NER) and slot filling, etc. However, the satisfying results achieved by…

Computation and Language · Computer Science 2023-02-20 Jianing Wang , Chengyu Wang , Jun Huang , Ming Gao , Aoying Zhou

This paper proposes a general method for improving the structure and quality of sequences generated by a recurrent neural network (RNN), while maintaining information originally learned from data, as well as sample diversity. An RNN is…

Although current state-of-the-art language models have achieved impressive results in numerous natural language processing tasks, still they could not solve the problem of producing repetitive, dull and sometimes inconsistent text in…

Computation and Language · Computer Science 2021-08-10 An Nguyen

Simultaneous sequence generation is a pivotal task for real-time scenarios, such as streaming speech recognition, simultaneous machine translation and simultaneous speech translation, where the target sequence is generated while receiving…

Computation and Language · Computer Science 2023-12-01 Shaolei Zhang , Yang Feng

Keyphrase Generation (KG) is the task of generating central topics from a given document or literary work, which captures the crucial information necessary to understand the content. Documents such as scientific literature contain rich…

Computation and Language · Computer Science 2020-12-15 Yichao Luo , Zhengyan Li , Bingning Wang , Xiaoyu Xing , Qi Zhang , Xuanjing Huang

For many new application domains for data-to-text generation, the main obstacle in training neural models consists of a lack of training data. While usually large numbers of instances are available on the data side, often only very few text…

Computation and Language · Computer Science 2021-02-09 Ernie Chang , Xiaoyu Shen , Dawei Zhu , Vera Demberg , Hui Su

This work aims to produce translations that convey source language content at a formality level that is appropriate for a particular audience. Framing this problem as a neural sequence-to-sequence task ideally requires training triplets…

Computation and Language · Computer Science 2019-12-02 Xing Niu , Marine Carpuat

End-to-end TTS requires a large amount of speech/text paired data to cover all necessary knowledge, particularly how to pronounce different words in diverse contexts, so that a neural model may learn such knowledge accordingly. But in real…

Sound · Computer Science 2022-06-27 Mutian He , Jingzhou Yang , Lei He , Frank K. Soong