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Online news and social media have been the de facto mediums to disseminate information globally from the beginning of the last decade. However, bias in content and purpose of intentions are not regulated, and managing bias is the…

计算与语言 · 计算机科学 2022-04-19 Sharath Srivatsa , Tushar Mohan , Kumari Neha , Nishchay Malakar , Ponnurangam Kumaraguru , Srinath Srinivasa

We introduce \textsc{PoliteRewrite} -- a dataset for polite language rewrite which is a novel sentence rewrite task. Compared with previous text style transfer tasks that can be mostly addressed by slight token- or phrase-level edits,…

计算与语言 · 计算机科学 2022-12-21 Xun Wang , Tao Ge , Allen Mao , Yuki Li , Furu Wei , Si-Qing Chen

Despite advances in generating fluent texts, existing pretraining models tend to attach incoherent event sequences to involved entities when generating narratives such as stories and news. We conjecture that such issues result from…

计算与语言 · 计算机科学 2022-11-24 Jian Guan , Zhenyu Yang , Rongsheng Zhang , Zhipeng Hu , Minlie Huang

Rich entity representations are useful for a wide class of problems involving entities. Despite their importance, there is no standardized benchmark that evaluates the overall quality of entity representations. In this work, we propose…

计算与语言 · 计算机科学 2019-11-12 Mingda Chen , Zewei Chu , Yang Chen , Karl Stratos , Kevin Gimpel

Entity standardization maps noisy mentions from free-form text to standard entities in a knowledge base. The unique challenge of this task relative to other entity-related tasks is the lack of surrounding context and numerous variations in…

计算与语言 · 计算机科学 2023-06-07 Jiaqing Yuan , Michele Merler , Mihir Choudhury , Raju Pavuluri , Munindar P. Singh , Maja Vukovic

Fine-grained entity typing is a challenging problem since it usually involves a relatively large tag set and may require to understand the context of the entity mention. In this paper, we use entity linking to help with the fine-grained…

计算与语言 · 计算机科学 2019-09-27 Hongliang Dai , Donghong Du , Xin Li , Yangqiu Song

Open-ended text generation tasks, such as dialogue generation and story completion, require models to generate a coherent continuation given limited preceding context. The open-ended nature of these tasks brings new challenges to the neural…

计算与语言 · 计算机科学 2022-04-21 Qintong Li , Piji Li , Wei Bi , Zhaochun Ren , Yuxuan Lai , Lingpeng Kong

A typical architecture for end-to-end entity linking systems consists of three steps: mention detection, candidate generation and entity disambiguation. In this study we investigate the following questions: (a) Can all those steps be…

计算与语言 · 计算机科学 2021-01-14 Samuel Broscheit

Recently, the task of distantly supervised (DS) ultra-fine entity typing has received significant attention. However, DS data is noisy and often suffers from missing or wrong labeling issues resulting in low precision and low recall. This…

计算与语言 · 计算机科学 2022-10-19 Yue Zhang , Hongliang Fei , Ping Li

Entity Typing (ET) is the process of identifying the semantic types of every entity within a corpus. In contrast to Named Entity Recognition, where each token in a sentence is labelled with zero or one class label, ET involves labelling…

计算与语言 · 计算机科学 2020-03-24 Michael Stewart , Wei Liu

The lack of contextual information in text data can make the annotation process of text-based emotion classification datasets challenging. As a result, such datasets often contain labels that fail to consider all the relevant emotions in…

Conversational recommender systems (CRS) that are able to interact with users in natural language often utilize recommendation dialogs which were previously collected with the help of paired humans, where one plays the role of a seeker and…

计算与语言 · 计算机科学 2022-09-08 Ahtsham Manzoor , Dietmar Jannach

Evidence plays a crucial role in automated fact-checking. When verifying real-world claims, existing fact-checking systems either assume the evidence sentences are given or use the search snippets returned by the search engine. Such methods…

计算与语言 · 计算机科学 2024-01-30 Xuming Hu , Junzhe Chen , Zhijiang Guo , Philip S. Yu

To be informative, an evaluation must measure how well systems generalize to realistic unseen data. We identify limitations of and propose improvements to current evaluations of text-to-SQL systems. First, we compare human-generated and…

Entity linking is the task of mapping potentially ambiguous terms in text to their constituent entities in a knowledge base like Wikipedia. This is useful for organizing content, extracting structured data from textual documents, and in…

信息检索 · 计算机科学 2018-07-18 Michael Conover , Matthew Hayes , Scott Blackburn , Pete Skomoroch , Sam Shah

Fine-tuning on generalized tasks such as instruction following, code generation, and mathematics has been shown to enhance language models' performance on a range of tasks. Nevertheless, explanations of how such fine-tuning influences the…

计算与语言 · 计算机科学 2024-02-23 Nikhil Prakash , Tamar Rott Shaham , Tal Haklay , Yonatan Belinkov , David Bau

In human-human conversations, Context Tracking deals with identifying important entities and keeping track of their properties and relationships. This is a challenging problem that encompasses several subtasks such as slot tagging,…

计算与语言 · 计算机科学 2022-04-27 Ulrich Rückert , Srinivas Sunkara , Abhinav Rastogi , Sushant Prakash , Pranav Khaitan

Named entity recognition systems perform well on standard datasets comprising English news. But given the paucity of data, it is difficult to draw conclusions about the robustness of systems with respect to recognizing a diverse set of…

计算与语言 · 计算机科学 2021-01-14 Oshin Agarwal , Yinfei Yang , Byron C. Wallace , Ani Nenkova

Recent progress in language model pre-training has led to important improvements in Named Entity Recognition (NER). Nonetheless, this progress has been mainly tested in well-formatted documents such as news, Wikipedia, or scientific…

计算与语言 · 计算机科学 2022-11-16 Asahi Ushio , Leonardo Neves , Vitor Silva , Francesco Barbieri , Jose Camacho-Collados

Many previous models of named entity recognition (NER) suffer from the problem of Out-of-Entity (OOE), i.e., the tokens in the entity mentions of the test samples have not appeared in the training samples, which hinders the achievement of…

计算与语言 · 计算机科学 2025-01-14 Guochao Jiang , Ziqin Luo , Chengwei Hu , Zepeng Ding , Deqing Yang