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Generating diverse sequences is important in many NLP applications such as question generation or summarization that exhibit semantically one-to-many relationships between source and the target sequences. We present a method to explicitly…

计算与语言 · 计算机科学 2019-09-05 Jaemin Cho , Minjoon Seo , Hannaneh Hajishirzi

The need for interpretability in deep learning has driven interest in counterfactual explanations, which identify minimal changes to an instance that change a model's prediction. Current counterfactual (CF) generation methods require…

计算与语言 · 计算机科学 2025-12-11 Van Bach Nguyen , Christin Seifert , Jörg Schlötterer

Large Language Models (LLMs) have demonstrated exceptional performance across diverse natural language processing tasks. However, these models exhibit a critical limitation in output diversity, often generating highly similar content across…

计算与语言 · 计算机科学 2025-11-04 Zhiwen Ruan , Yixia Li , Yefeng Liu , Yun Chen , Weihua Luo , Peng Li , Yang Liu , Guanhua Chen

We consider multi-solution optimization and generative models for the generation of diverse artifacts and the discovery of novel solutions. In cases where the domain's factors of variation are unknown or too complex to encode manually,…

机器学习 · 计算机科学 2021-05-11 Alexander Hagg , Sebastian Berns , Alexander Asteroth , Simon Colton , Thomas Bäck

Difficulty-controllable question generation for reading comprehension has gained significant attention in the field of education as a fundamental tool for adaptive learning support. Although several neural question generation methods have…

计算与语言 · 计算机科学 2026-03-24 Yuto Tomikawa , Masaki Uto

Previous methods on knowledge base question generation (KBQG) primarily focus on enhancing the quality of a single generated question. Recognizing the remarkable paraphrasing ability of humans, we contend that diverse texts should convey…

计算与语言 · 计算机科学 2025-03-05 Shasha Guo , Jing Zhang , Xirui Ke , Cuiping Li , Hong Chen

The goal of text generation is to make machines express in human language. It is one of the most important yet challenging tasks in natural language processing (NLP). Since 2014, various neural encoder-decoder models pioneered by Seq2Seq…

计算与语言 · 计算机科学 2022-01-25 Wenhao Yu , Chenguang Zhu , Zaitang Li , Zhiting Hu , Qingyun Wang , Heng Ji , Meng Jiang

Automatic question generation is an important technique that can improve the training of question answering, help chatbots to start or continue a conversation with humans, and provide assessment materials for educational purposes. Existing…

计算与语言 · 计算机科学 2019-02-28 Bang Liu , Mingjun Zhao , Di Niu , Kunfeng Lai , Yancheng He , Haojie Wei , Yu Xu

It is challenging to perform lifelong language learning (LLL) on a stream of different tasks without any performance degradation comparing to the multi-task counterparts. To address this issue, we present Lifelong Language Knowledge…

计算与语言 · 计算机科学 2020-10-06 Yung-Sung Chuang , Shang-Yu Su , Yun-Nung Chen

Question Generation (QG), as a challenging Natural Language Processing task, aims at generating questions based on given answers and context. Existing QG methods mainly focus on building or training models for specific QG datasets. These…

计算与语言 · 计算机科学 2022-12-06 Wei Yuan , Hongzhi Yin , Tieke He , Tong Chen , Qiufeng Wang , Lizhen Cui

With the rapid development of artificial intelligence technology, Transformer structural pre-training model has become an important tool for large language model (LLM) tasks. In the field of e-commerce, these models are especially widely…

计算与语言 · 计算机科学 2024-02-27 Yafei Xiang , Hanyi Yu , Yulu Gong , Shuning Huo , Mengran Zhu

Task-oriented dialogue systems help users accomplish tasks such as booking a movie ticket and ordering food via conversation. Generative models parameterized by a deep neural network are widely used for next turn response generation in such…

计算与语言 · 计算机科学 2020-10-13 Prasanna Parthasarathi , Arvind Neelakantan , Sharan Narang

Recently, pre-trained transformer-based models have achieved great success in the task of definition generation (DG). However, previous encoder-decoder models lack effective representation learning to contain full semantic components of the…

计算与语言 · 计算机科学 2022-10-04 Hengyuan Zhang , Dawei Li , Shiping Yang , Yanran Li

Two fundamental challenges face generative models in engineering applications: the acquisition of high-performing, diverse datasets, and the adherence to precise constraints in generated designs. We propose a novel approach combining…

神经与进化计算 · 计算机科学 2024-05-17 Adam Gaier , James Stoddart , Lorenzo Villaggi , Shyam Sudhakaran

The standard definition generation task requires to automatically produce mono-lingual definitions (e.g., English definitions for English words), but ignores that the generated definitions may also consist of unfamiliar words for language…

计算与语言 · 计算机科学 2023-06-12 Hengyuan Zhang , Dawei Li , Yanran Li , Chenming Shang , Chufan Shi , Yong Jiang

Developing decision-support systems that complement human performance in classification tasks remains an open challenge. A popular approach, Learning to Defer (LtD), allows a Machine Learning (ML) model to pass difficult cases to a human…

机器学习 · 计算机科学 2025-10-10 Andrea Pugnana , Giovanni De Toni , Cesare Barbera , Roberto Pellungrini , Bruno Lepri , Andrea Passerini

Personalization of natural language generation plays a vital role in a large spectrum of tasks, such as explainable recommendation, review summarization and dialog systems. In these tasks, user and item IDs are important identifiers for…

信息检索 · 计算机科学 2021-06-09 Lei Li , Yongfeng Zhang , Li Chen

Quality-Diversity is a branch of stochastic optimization that is often applied to problems from the Reinforcement Learning and control domains in order to construct repertoires of well-performing policies/skills that exhibit diversity with…

机器学习 · 计算机科学 2023-08-28 Achkan Salehi , Stephane Doncieux

Search result diversification is a beneficial approach to overcome under-specified queries, such as those that are ambiguous or multi-faceted. Existing approaches often rely on massive query logs and interaction data to generate a variety…

信息检索 · 计算机科学 2021-08-10 Sean MacAvaney , Craig Macdonald , Roderick Murray-Smith , Iadh Ounis

Pre-trained models for Natural Languages (NL) like BERT and GPT have been recently shown to transfer well to Programming Languages (PL) and largely benefit a broad set of code-related tasks. Despite their success, most current methods…

计算与语言 · 计算机科学 2021-09-03 Yue Wang , Weishi Wang , Shafiq Joty , Steven C. H. Hoi