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A ranker plays an indispensable role in the de facto 'retrieval & rerank' pipeline, but its training still lags behind -- learning from moderate negatives or/and serving as an auxiliary module for a retriever. In this work, we first…

Information Retrieval · Computer Science 2022-06-17 Yucheng Zhou , Tao Shen , Xiubo Geng , Chongyang Tao , Can Xu , Guodong Long , Binxing Jiao , Daxin Jiang

Paraphrase generation is a longstanding NLP task that has diverse applications for downstream NLP tasks. However, the effectiveness of existing efforts predominantly relies on large amounts of golden labeled data. Though unsupervised…

Computation and Language · Computer Science 2021-09-28 Kaize Ding , Dingcheng Li , Alexander Hanbo Li , Xing Fan , Chenlei Guo , Yang Liu , Huan Liu

User-generated replies to hate speech are promising means to combat hatred, but questions about whether they can stop incivility in follow-up conversations linger. We argue that effective replies stop incivility from emerging in follow-up…

Computers and Society · Computer Science 2023-12-11 Xinchen Yu , Eduardo Blanco , Lingzi Hong

Automatic hate speech detection using deep neural models is hampered by the scarcity of labeled datasets, leading to poor generalization. To mitigate this problem, generative AI has been utilized to generate large amounts of synthetic hate…

Computation and Language · Computer Science 2023-11-17 Sagi Pendzel , Tomer Wullach , Amir Adler , Einat Minkov

We propose a novel procedure which adds "content-addressability" to any given unconditional implicit model e.g., a generative adversarial network (GAN). The procedure allows users to control the generative process by specifying a set…

Machine Learning · Computer Science 2019-05-16 Wittawat Jitkrittum , Patsorn Sangkloy , Muhammad Waleed Gondal , Amit Raj , James Hays , Bernhard Schölkopf

This paper demonstrates a task to finetune a BART model so it can construct a sentence from an arbitrary set of words, which used to be a difficult NLP task. The training task is making sentences with four words, but the trained model can…

Computation and Language · Computer Science 2022-06-28 Yuanliang Meng

Existing recurrent neural language models often fail to capture higher-level structure present in text: for example, rhyming patterns present in poetry. Much prior work on poetry generation uses manually defined constraints which are…

Computation and Language · Computer Science 2019-09-17 Harsh Jhamtani , Sanket Vaibhav Mehta , Jaime Carbonell , Taylor Berg-Kirkpatrick

Adversarial examples are helpful for analyzing and improving the robustness of text classifiers. Generating high-quality adversarial examples is a challenging task as it requires generating fluent adversarial sentences that are semantically…

Computation and Language · Computer Science 2022-10-21 Lei Xu , Alfredo Cuesta-Infante , Laure Berti-Equille , Kalyan Veeramachaneni

Recent language generative models are mostly trained on large-scale datasets, while in some real scenarios, the training datasets are often expensive to obtain and would be small-scale. In this paper we investigate the challenging task of…

Computation and Language · Computer Science 2022-10-11 Zhuoxuan Jiang , Lingfeng Qiao , Di Yin , Shanshan Feng , Bo Ren

Identifying adverse and hostile content on the web and more particularly, on social media, has become a problem of paramount interest in recent years. With their ever increasing popularity, fine-tuning of pretrained Transformer-based…

Computation and Language · Computer Science 2021-01-12 Tathagata Raha , Sayar Ghosh Roy , Ujwal Narayan , Zubair Abid , Vasudeva Varma

The recent emergence of machine-learning based generative models for speech suggests a significant reduction in bit rate for speech codecs is possible. However, the performance of generative models deteriorates significantly with the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-22 W. Bastiaan Kleijn , Andrew Storus , Michael Chinen , Tom Denton , Felicia S. C. Lim , Alejandro Luebs , Jan Skoglund , Hengchin Yeh

Large Language Models (LLMs) have demonstrated a powerful ability for text generation. However, achieving optimal results with a given prompt or instruction can be challenging, especially for billion-sized models. Additionally, undesired…

Computation and Language · Computer Science 2024-10-07 Lifu Tu , Semih Yavuz , Jin Qu , Jiacheng Xu , Rui Meng , Caiming Xiong , Yingbo Zhou

During the last two decades, we have progressively turned to the Internet and social media to find news, entertain conversations and share opinion. Recently, OpenAI has developed a ma-chine learning system called GPT-2 for Generative…

Computation and Language · Computer Science 2021-01-26 Fouzi Harrag , Maria Debbah , Kareem Darwish , Ahmed Abdelali

Unfaithful text generation is a common problem for text generation systems. In the case of Data-to-Text (D2T) systems, the factuality of the generated text is particularly crucial for any real-world applications. We introduce R2D2, a…

Computation and Language · Computer Science 2022-05-26 Linyong Nan , Lorenzo Jaime Yu Flores , Yilun Zhao , Yixin Liu , Luke Benson , Weijin Zou , Dragomir Radev

Recent advances in the capacity of large language models to generate human-like text have resulted in their increased adoption in user-facing settings. In parallel, these improvements have prompted a heated discourse around the risks of…

Computation and Language · Computer Science 2023-02-23 Sachin Kumar , Vidhisha Balachandran , Lucille Njoo , Antonios Anastasopoulos , Yulia Tsvetkov

In recent years, there has been a growing interest in the development of language models capable of generating text with controllable attributes. While several approaches have been proposed, many of these methods require condition-specific…

Computation and Language · Computer Science 2023-02-22 Shangda Wu , Maosong Sun

Developing an educational test can be expensive and time-consuming, as each item must be written by experts and then evaluated by collecting hundreds of student responses. Moreover, many tests require multiple distinct sets of questions…

Computation and Language · Computer Science 2023-10-11 Eric Zelikman , Wanjing Anya Ma , Jasmine E. Tran , Diyi Yang , Jason D. Yeatman , Nick Haber

Satire detection is essential for accurately extracting opinions from textual data and combating misinformation online. However, the lack of diverse corpora for satire leads to the problem of stylistic bias which impacts the models'…

Computation and Language · Computer Science 2024-12-13 Asli Umay Ozturk , Recep Firat Cekinel , Pinar Karagoz

Formal verse poetry imposes strict constraints on the meter and rhyme scheme of poems. Most prior work on generating this type of poetry uses existing poems for supervision, which are difficult to obtain for most languages and poetic forms.…

Computation and Language · Computer Science 2022-10-31 Aitor Ormazabal , Mikel Artetxe , Manex Agirrezabal , Aitor Soroa , Eneko Agirre

Large Language Models (LLMs) rely on generating extensive intermediate reasoning units (e.g., tokens, sentences) to enhance final answer quality across a wide range of complex tasks. While this approach has proven effective, it inevitably…

Computation and Language · Computer Science 2025-06-05 Joonwon Jang , Jaehee Kim , Wonbin Kweon , Seonghyeon Lee , Hwanjo Yu