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Typical active learning strategies are designed for tasks, such as classification, with the assumption that the output space is mutually exclusive. The assumption that these tasks always have exactly one correct answer has resulted in the…

计算机视觉与模式识别 · 计算机科学 2019-12-10 Khaled Jedoui , Ranjay Krishna , Michael Bernstein , Li Fei-Fei

We explore state-of-the-art neural models for question answering on electronic medical records and improve their ability to generalize better on previously unseen (paraphrased) questions at test time. We enable this by learning to predict…

人工智能 · 计算机科学 2021-02-23 Bhanu Pratap Singh Rawat , Wei-Hung Weng , So Yeon Min , Preethi Raghavan , Peter Szolovits

Applications of large language models often involve the generation of free-form responses, in which case uncertainty quantification becomes challenging. This is due to the need to identify task-specific uncertainties (e.g., about the…

计算与语言 · 计算机科学 2024-10-21 Ziyu Wang , Chris Holmes

Automated insight generation is a common tactic for helping knowledge workers, such as data scientists, to quickly understand the potential value of new and unfamiliar data. Unfortunately, automated insights produced by large-language…

We propose a recurrent neural model that generates natural-language questions from documents, conditioned on answers. We show how to train the model using a combination of supervised and reinforcement learning. After teacher forcing for…

This paper summarizes our work on the first track of the ninth Dialog System Technology Challenge (DSTC 9), "Beyond Domain APIs: Task-oriented Conversational Modeling with Unstructured Knowledge Access". The goal of the task is to generate…

计算与语言 · 计算机科学 2021-02-10 David Thulke , Nico Daheim , Christian Dugast , Hermann Ney

Generating semantically coherent responses is still a major challenge in dialogue generation. Different from conventional text generation tasks, the mapping between inputs and responses in conversations is more complicated, which highly…

计算与语言 · 计算机科学 2018-08-28 Liangchen Luo , Jingjing Xu , Junyang Lin , Qi Zeng , Xu Sun

Traditional deep neural networks (NNs) have significantly contributed to the state-of-the-art performance in the task of classification under various application domains. However, NNs have not considered inherent uncertainty in data…

机器学习 · 计算机科学 2021-05-05 Yibo Hu , Yuzhe Ou , Xujiang Zhao , Jin-Hee Cho , Feng Chen

Uncertainty estimation is crucial for the reliability of safety-critical human and artificial intelligence (AI) interaction systems, particularly in the domain of healthcare engineering. However, a robust and general uncertainty measure for…

计算与语言 · 计算机科学 2024-11-19 Zhiyuan Wang , Jinhao Duan , Chenxi Yuan , Qingyu Chen , Tianlong Chen , Yue Zhang , Ren Wang , Xiaoshuang Shi , Kaidi Xu

We describe a data-driven approach for automatically explaining new, non-standard English expressions in a given sentence, building on a large dataset that includes 15 years of crowdsourced examples from UrbanDictionary.com. Unlike prior…

计算与语言 · 计算机科学 2017-09-28 Ke Ni , William Yang Wang

Automatic question generation can benefit many applications ranging from dialogue systems to reading comprehension. While questions are often asked with respect to long documents, there are many challenges with modeling such long documents.…

计算与语言 · 计算机科学 2019-10-24 Luu Anh Tuan , Darsh J Shah , Regina Barzilay

Knowledge Base, represents facts about the world, often in some form of subsumption ontology, rather than implicitly, embedded in procedural code, the way a conventional computer program does. While there is a rapid growth in knowledge…

计算与语言 · 计算机科学 2020-10-20 Sai Sharath Japa , Rekabdar Banafsheh

Quantifying uncertainty in automatically generated text is important for letting humans check potential hallucinations and making systems more reliable. Conformal prediction is an attractive framework to provide predictions imbued with…

计算与语言 · 计算机科学 2024-02-02 Dennis Ulmer , Chrysoula Zerva , André F. T. Martins

Machine comprehension(MC) style question answering is a representative problem in natural language processing. Previous methods rarely spend time on the improvement of encoding layer, especially the embedding of syntactic information and…

人工智能 · 计算机科学 2017-07-31 Boyuan Pan , Hao Li , Zhou Zhao , Bin Cao , Deng Cai , Xiaofei He

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

Question Generation (QG) is an essential component of the automatic intelligent tutoring systems, which aims to generate high-quality questions for facilitating the reading practice and assessments. However, existing QG technologies…

计算与语言 · 计算机科学 2020-12-14 Xin Jia , Wenjie Zhou , Xu Sun , Yunfang Wu

Traditional deep neural nets (NNs) have shown the state-of-the-art performance in the task of classification in various applications. However, NNs have not considered any types of uncertainty associated with the class probabilities to…

机器学习 · 计算机科学 2019-10-16 Xujiang Zhao , Yuzhe Ou , Lance Kaplan , Feng Chen , Jin-Hee Cho

The demand for reliable AI systems has intensified the need for interpretable deep neural networks. Concept bottleneck models (CBMs) have gained attention as an effective approach by leveraging human-understandable concepts to enhance…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Sangwon Kim , Dasom Ahn , Byoung Chul Ko , In-su Jang , Kwang-Ju Kim

Generative Adversarial Networks (GAN) is a model for data synthesis, which creates plausible data through the competition of generator and discriminator. Although GAN application to image synthesis is extensively studied, it has inherent…

计算与语言 · 计算机科学 2025-01-07 Jun-Min Lee , Tae-Bin Ha

Artificial neural networks (ANNs) are widely used in modeling sentence processing but often exhibit deterministic behavior, contrasting with human sentence comprehension, which manages uncertainty during ambiguous or unexpected inputs. This…

计算与语言 · 计算机科学 2025-05-06 Diksha Bhandari , Alessandro Lopopolo , Milena Rabovsky , Sebastian Reich