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Named entity recognition (NER) is a vital task in spoken language understanding, which aims to identify mentions of named entities in text e.g., from transcribed speech. Existing neural models for NER rely mostly on dedicated word-level…

计算与语言 · 计算机科学 2019-09-24 Abdalghani Abujabal , Judith Gaspers

We present a bi-encoder framework for named entity recognition (NER), which applies contrastive learning to map candidate text spans and entity types into the same vector representation space. Prior work predominantly approaches NER as…

计算与语言 · 计算机科学 2023-02-24 Sheng Zhang , Hao Cheng , Jianfeng Gao , Hoifung Poon

Named entity recognition (NER) from text has been a widely studied problem and usually extracts semantic information from text. Until now, NER from speech is mostly studied in a two-step pipeline process that includes first applying an…

计算与语言 · 计算机科学 2020-05-25 Hemant Yadav , Sreyan Ghosh , Yi Yu , Rajiv Ratn Shah

Named Entity Recognition (NER) is the task of identifying spans that represent entities in sentences. Whether the entity spans are nested or discontinuous, the NER task can be categorized into the flat NER, nested NER, and discontinuous NER…

计算与语言 · 计算机科学 2021-06-03 Hang Yan , Tao Gui , Junqi Dai , Qipeng Guo , Zheng Zhang , Xipeng Qiu

We introduce REAL, a benchmark and framework for multi-turn agent evaluations on deterministic simulations of real-world websites. REAL comprises high-fidelity, deterministic replicas of 11 widely-used websites across domains such as…

Named Entity Recognition (NER) is an essential precursor task for many natural language applications, such as relation extraction or event extraction. Much of the NER research has been done on datasets with few classes of entity types (e.g.…

计算与语言 · 计算机科学 2020-09-17 Parul Awasthy , Taesun Moon , Jian Ni , Radu Florian

Named entity recognition (NER) systems that perform well require task-related and manually annotated datasets. However, they are expensive to develop, and are thus limited in size. As there already exists a large number of NER datasets that…

计算与语言 · 计算机科学 2019-04-23 Nargiza Nosirova , Mingbin Xu , Hui Jiang

We consider a scenario where an artificial agent is reading a stream of text composed of a set of narrations, and it is informed about the identity of some of the individuals that are mentioned in the text portion that is currently being…

计算与语言 · 计算机科学 2020-04-29 Marco Maggini , Giuseppe Marra , Stefano Melacci , Andrea Zugarini

Multi-modal named entity recognition (MNER) aims at identifying entity spans and recognizing their categories in social media posts with the aid of images. However, in dominant MNER approaches, the interaction of different modalities is…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Junyu Lu , Dixiang Zhang , Pingjian Zhang

Entity alignment (EA) aims to identify entities across different knowledge graphs (KGs) that refer to the same real-world object and plays a critical role in knowledge fusion and integration. Traditional EA methods mainly rely on knowledge…

信息检索 · 计算机科学 2026-04-14 Yixuan Nan , Xixun Lin , Yanmin Shang , Ge Zhang , Zheng Fang , Fang Fang , Yanan Cao

We focus on improving the effectiveness of a Virtual Assistant (VA) in recognizing emerging entities in spoken queries. We introduce a method that uses historical user interactions to forecast which entities will gain in popularity and…

信息检索 · 计算机科学 2020-05-27 Christophe Van Gysel , Manos Tsagkias , Ernest Pusateri , Ilya Oparin

Entity matching in Customer 360 is the task of determining if multiple records represent the same real world entity. Entities are typically people, organizations, locations, and events represented as attributed nodes in a graph, though they…

人工智能 · 计算机科学 2022-12-02 Sukriti Jaitly , Deepa Mariam George , Balaji Ganesan , Muhammad Ameen , Srinivas Pusapati

Entity recognition in Automatic Speech Recognition (ASR) is challenging for rare and domain-specific terms. In domains such as finance, medicine, and air traffic control, these errors are costly. If the entities are entirely absent from the…

计算与语言 · 计算机科学 2026-03-18 Abhishek Kumar , Aashraya Sachdeva

Chatbot is a technology that is used to mimic human behavior using natural language. There are different types of Chatbot that can be used as conversational agent in various business domains in order to increase the customer service and…

计算与语言 · 计算机科学 2020-07-09 Nazakat Ali

Large language models (LLMs) have demonstrated remarkable versatility across a wide range of natural language processing tasks and domains. One such task is Named Entity Recognition (NER), which involves identifying and classifying proper…

数字图书馆 · 计算机科学 2026-04-29 Shibingfeng Zhang , Giovanni Colavizza

The aim of Named Entity Recognition (NER) is to identify references of named entities in unstructured documents, and to classify them into pre-defined semantic categories. NER often aids from added background knowledge in the form of…

计算与语言 · 计算机科学 2015-11-24 S. Thenmalar , J. Balaji , T. V. Geetha

Supervised machine learning assumes the availability of fully-labeled data, but in many cases, such as low-resource languages, the only data available is partially annotated. We study the problem of Named Entity Recognition (NER) with…

计算与语言 · 计算机科学 2019-09-23 Stephen Mayhew , Snigdha Chaturvedi , Chen-Tse Tsai , Dan Roth

We present OpenNER 1.0, a standardized collection of openly-available named entity recognition (NER) datasets. OpenNER contains 36 NER corpora that span 52 languages, human-annotated in varying named entity ontologies. We correct annotation…

计算与语言 · 计算机科学 2025-12-19 Chester Palen-Michel , Maxwell Pickering , Maya Kruse , Jonne Sälevä , Constantine Lignos

We present NEAMER -- Named Entity Augmented Multi-word Expression Recognizer. This system is inspired by non-compositionality characteristics shared between Named Entity and Idiomatic Expressions. We utilize transfer learning and locality…

计算与语言 · 计算机科学 2022-04-19 Min Sik Oh

Recent advances in Named Entity Recognition (NER) show that document-level contexts can significantly improve model performance. In many application scenarios, however, such contexts are not available. In this paper, we propose to find…

计算与语言 · 计算机科学 2022-12-09 Xinyu Wang , Yong Jiang , Nguyen Bach , Tao Wang , Zhongqiang Huang , Fei Huang , Kewei Tu