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We address the problem of \emph{quantification}, a supervised learning task whose goal is, given a class, to estimate the relative frequency (or \emph{prevalence}) of the class in a dataset of unlabelled items. Quantification has several…

机器学习 · 计算机科学 2021-09-21 Andrea Esuli , Fabrizio Sebastiani

Recognizing entities in texts is a central need in many information-seeking scenarios, and indeed, Named Entity Recognition (NER) is arguably one of the most successful examples of a widely adopted NLP task and corresponding NLP technology.…

计算与语言 · 计算机科学 2023-10-24 Uri Katz , Matan Vetzler , Amir DN Cohen , Yoav Goldberg

We analyze the extent to which internal representations of language models (LMs) identify and distinguish mentions of named entities, focusing on the many-to-many correspondence between entities and their mentions. We first formulate two…

计算与语言 · 计算机科学 2025-07-22 Masaki Sakata , Benjamin Heinzerling , Sho Yokoi , Takumi Ito , Kentaro Inui

Although modern named entity recognition (NER) systems show impressive performance on standard datasets, they perform poorly when presented with noisy data. In particular, capitalization is a strong signal for entities in many languages,…

计算与语言 · 计算机科学 2019-12-17 Stephen Mayhew , Nitish Gupta , Dan Roth

Explanations in Computer Vision are often desired, but most Deep Neural Networks can only provide saliency maps with questionable faithfulness. Self-Explaining Neural Networks (SENN) extract interpretable concepts with fidelity, diversity,…

计算机视觉与模式识别 · 计算机科学 2024-02-19 Thomas Norrenbrock , Marco Rudolph , Bodo Rosenhahn

Most of the achievements in artificial intelligence so far were accomplished by supervised learning which requires numerous annotated training data and thus costs innumerable manpower for labeling. Unsupervised learning is one of the…

计算机视觉与模式识别 · 计算机科学 2021-06-14 Mingxiang Chen , Zhanguo Chang , Haonan Lu , Bitao Yang , Zhuang Li , Liufang Guo , Zhecheng Wang

Breaking down the structure of long texts into semantically coherent segments makes the texts more readable and supports downstream applications like summarization and retrieval. Starting from an apparent link between text coherence and…

计算与语言 · 计算机科学 2020-01-06 Goran Glavaš , Swapna Somasundaran

With the rapid increase in the size of neural networks, model compression has become an important area of research. Quantization is an effective technique at decreasing the model size, memory access, and compute load of large models.…

音频与语音处理 · 电气工程与系统科学 2023-05-26 David Qiu , David Rim , Shaojin Ding , Oleg Rybakov , Yanzhang He

This work presents a general unsupervised learning method to improve the accuracy of sequence to sequence (seq2seq) models. In our method, the weights of the encoder and decoder of a seq2seq model are initialized with the pretrained weights…

计算与语言 · 计算机科学 2018-02-23 Prajit Ramachandran , Peter J. Liu , Quoc V. Le

Current systems of fine-grained entity typing use distant supervision in conjunction with existing knowledge bases to assign categories (type labels) to entity mentions. However, the type labels so obtained from knowledge bases are often…

计算与语言 · 计算机科学 2016-02-18 Xiang Ren , Wenqi He , Meng Qu , Clare R. Voss , Heng Ji , Jiawei Han

Semantic answer type prediction (SMART) is known to be a useful step towards effective question answering (QA) systems. The SMART task involves predicting the top-$k$ knowledge graph (KG) types for a given natural language question. This is…

计算与语言 · 计算机科学 2023-04-28 Vinay Setty

Fine-grained Entity Recognition (FgER) is the task of detecting and classifying entity mentions to a large set of types spanning diverse domains such as biomedical, finance and sports. We observe that when the type set spans several…

计算与语言 · 计算机科学 2019-05-01 Abhishek Abhishek , Sanya Bathla Taneja , Garima Malik , Ashish Anand , Amit Awekar

Recent advances in large vision-language models (VLMs) have shown remarkable progress in solving the text-promptable object counting problem. Representative methods typically specify text prompts with object category information in images.…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Miaojing Shi , Xiaowen Zhang , Zijie Yue , Yong Luo , Cairong Zhao , Li Li

Entity extraction is a key technology for obtaining information from massive texts in natural language processing. The further interaction between them does not meet the standards of human reading comprehension, thus limiting the…

计算与语言 · 计算机科学 2021-08-23 Xiaobo Jiang , Kun He , Jiajun He , Guangyu Yan

Recent progress in semantic segmentation is driven by deep Convolutional Neural Networks and large-scale labeled image datasets. However, data labeling for pixel-wise segmentation is tedious and costly. Moreover, a trained model can only…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Chi Zhang , Guosheng Lin , Fayao Liu , Rui Yao , Chunhua Shen

Citation plays a pivotal role in determining the associations among research articles. It portrays essential information in indicative, supportive, or contrastive studies. The task of inline citation classification aids in extrapolating…

计算与语言 · 计算机科学 2023-03-02 Priyanshi Gupta , Yash Kumar Atri , Apurva Nagvenkar , Sourish Dasgupta , Tanmoy Chakraborty

Named entity recognition (NER) is an important research problem in natural language processing. There are three types of NER tasks, including flat, nested and discontinuous entity recognition. Most previous sequential labeling models are…

计算与语言 · 计算机科学 2023-03-21 Ying Mo , Hongyin Tang , Jiahao Liu , Qifan Wang , Zenglin Xu , Jingang Wang , Wei Wu , Zhoujun Li

Prompt learning is a new paradigm for utilizing pre-trained language models and has achieved great success in many tasks. To adopt prompt learning in the NER task, two kinds of methods have been explored from a pair of symmetric…

计算与语言 · 计算机科学 2023-05-29 Yongliang Shen , Zeqi Tan , Shuhui Wu , Wenqi Zhang , Rongsheng Zhang , Yadong Xi , Weiming Lu , Yueting Zhuang

Recent work has witnessed a paradigm shift from Seq2Seq to Seq2Edit in the field of text editing, with the aim of addressing the slow autoregressive inference problem posed by the former. Despite promising results, Seq2Edit approaches still…

计算与语言 · 计算机科学 2023-10-13 Yu Zhang , Yue Zhang , Leyang Cui , Guohong Fu

When generating images from prompts that include specific entities, the model must retain as much entity-specific knowledge as possible. However, the number of entities is almost countless, and new entities emerge; memorizing all of them…