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The availability of large amounts of computer-readable textual data and hardware that can process the data has shifted the focus of knowledge projects towards deep learning architecture. Natural Language Processing, particularly the task of…

Computation and Language · Computer Science 2021-01-28 Arya Roy

Traditional information retrieval treats named entity recognition as a pre-indexing corpus annotation task, allowing entity tags to be indexed and used during search. Named entity taggers themselves are typically trained on thousands or…

Information Retrieval · Computer Science 2018-06-14 John Foley , Sheikh Muhammad Sarwar , James Allan

The task of named entity recognition (NER) is normally divided into nested NER and flat NER depending on whether named entities are nested or not. Models are usually separately developed for the two tasks, since sequence labeling models,…

Computation and Language · Computer Science 2022-11-23 Xiaoya Li , Jingrong Feng , Yuxian Meng , Qinghong Han , Fei Wu , Jiwei Li

The task of Named Entity Recognition (NER) is an important component of many natural language processing systems, such as relation extraction and knowledge graph construction. In this work, we present a simple and effective approach for…

Computation and Language · Computer Science 2022-03-29 Urchade Zaratiana , Pierre Holat , Nadi Tomeh , Thierry Charnois

Named Entity Recognition (NER) aims at locating and classifying named entities in text. In some use cases of NER, including cases where detected named entities are used in creating content recommendations, it is crucial to have a reliable…

Neural and Evolutionary Computing · Computer Science 2017-12-07 Mahdi Namazifar

So far, named entity recognition (NER) has been involved with three major types, including flat, overlapped (aka. nested), and discontinuous NER, which have mostly been studied individually. Recently, a growing interest has been built for…

Computation and Language · Computer Science 2021-12-21 Jingye Li , Hao Fei , Jiang Liu , Shengqiong Wu , Meishan Zhang , Chong Teng , Donghong Ji , Fei Li

Named Entity Recognition (NER) or the extraction of concepts from clinical text is the task of identifying entities in text and slotting them into categories such as problems, treatments, tests, clinical departments, occurrences (such as…

Computation and Language · Computer Science 2022-08-31 Namrata Nath , Sang-Heon Lee , Ivan Lee

Recent years have seen the paradigm shift of Named Entity Recognition (NER) systems from sequence labeling to span prediction. Despite its preliminary effectiveness, the span prediction model's architectural bias has not been fully…

Computation and Language · Computer Science 2021-06-08 Jinlan Fu , Xuanjing Huang , Pengfei Liu

Named entity recognition (NER) is highly sensitive to sentential syntactic and semantic properties where entities may be extracted according to how they are used and placed in the running text. To model such properties, one could rely on…

Computation and Language · Computer Science 2020-10-30 Yuyang Nie , Yuanhe Tian , Yan Song , Xiang Ao , Xiang Wan

This paper describes the USTC_NELSLIP systems submitted to the Trilingual Entity Detection and Linking (EDL) track in 2016 TAC Knowledge Base Population (KBP) contests. We have built two systems for entity discovery and mention detection…

Computation and Language · Computer Science 2016-11-14 Dan Liu , Wei Lin , Shiliang Zhang , Si Wei , Hui Jiang

Named Entity Recognition (NER) is an important subtask of information extraction that seeks to locate and recognise named entities. Despite recent achievements, we still face limitations in correctly detecting and classifying entities,…

Information Retrieval · Computer Science 2018-09-07 Diego Esteves

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…

Computation and Language · Computer Science 2019-09-23 Stephen Mayhew , Snigdha Chaturvedi , Chen-Tse Tsai , Dan Roth

This paper presents a novel approach to address the Entity Recognition and Linking Challenge at NLPCC 2015. The task involves extracting named entity mentions from short search queries and linking them to entities within a reference Chinese…

Computation and Language · Computer Science 2023-09-14 Di Lu , Zhongping Liang , Caixia Yuan , Xiaojie Wang

Named Entity Recognition is one of the most important text processing requirement in many NLP tasks. In this paper we use a deep architecture to accomplish the task of recognizing named entities in a given Hindi text sentence. Bidirectional…

Computation and Language · Computer Science 2019-11-06 Bansi Shah , Sunil Kumar Kopparapu

For named entity recognition (NER), bidirectional recurrent neural networks became the state-of-the-art technology in recent years. Competing approaches vary with respect to pre-trained word embeddings as well as models for character…

Computation and Language · Computer Science 2018-11-08 Gregor Wiedemann , Raghav Jindal , Chris Biemann

We present a weakly-supervised data augmentation approach to improve Named Entity Recognition (NER) in a challenging domain: extracting biomedical entities (e.g., proteins) from the scientific literature. First, we train a neural NER (NNER)…

Machine Learning · Computer Science 2019-06-04 Joel Mathew , Shobeir Fakhraei , José Luis Ambite

Recent studies have explored various approaches for treating candidate named entity spans as both source and target sequences in named entity recognition (NER) by leveraging large language models (LLMs). Although previous approaches have…

Computation and Language · Computer Science 2026-03-27 Sungwoo Han , Hyeyeon Kim , Jingun Kwon , Hidetaka Kamigaito , Manabu Okumura

Chemical patents are an important resource for chemical information. However, few chemical Named Entity Recognition (NER) systems have been evaluated on patent documents, due in part to their structural and linguistic complexity. In this…

Computation and Language · Computer Science 2019-07-08 Zenan Zhai , Dat Quoc Nguyen , Saber A. Akhondi , Camilo Thorne , Christian Druckenbrodt , Trevor Cohn , Michelle Gregory , Karin Verspoor

In the domain of Natural Language Processing (NLP), Named Entity Recognition (NER) stands out as a pivotal mechanism for extracting structured insights from unstructured text. This manuscript offers an exhaustive exploration into the…

Computation and Language · Computer Science 2023-09-26 Kalyani Pakhale

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…

Computation and Language · Computer Science 2019-09-24 Abdalghani Abujabal , Judith Gaspers