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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.…

Computation and Language · Computer Science 2023-10-24 Uri Katz , Matan Vetzler , Amir DN Cohen , Yoav Goldberg

Recognizing entity synonyms from text has become a crucial task in many entity-leveraging applications. However, discovering entity synonyms from domain-specific text corpora (e.g., news articles, scientific papers) is rather challenging.…

Computation and Language · Computer Science 2017-06-27 Meng Qu , Xiang Ren , Jiawei Han

Here we present the training and evaluation of NanoNER, a Named Entity Recognition (NER) model for Nanobiology. NER consists in the identification of specific entities in spans of unstructured texts and is often a primary task in Natural…

Information Retrieval · Computer Science 2024-02-07 Martin Lentschat , Cyril Labbé , Ran Cheng

Named Entity Recognition seeks to extract substrings within a text that name real-world objects and to determine their type (for example, whether they refer to persons or organizations). In this survey, we first present an overview of…

Computation and Language · Computer Science 2024-12-23 Imed Keraghel , Stanislas Morbieu , Mohamed Nadif

In recent years, named entity recognition has always been a popular research in the field of natural language processing, while traditional deep learning methods require a large amount of labeled data for model training, which makes them…

Computation and Language · Computer Science 2022-03-29 Yuan Shi

Reading comprehension is a challenging task in natural language processing and requires a set of skills to be solved. While current approaches focus on solving the task as a whole, in this paper, we propose to use a neural network `skill'…

Computation and Language · Computer Science 2017-11-13 Todor Mihaylov , Zornitsa Kozareva , Anette Frank

Name Entity Disambiguation is the Natural Language Processing task of identifying textual records corresponding to the same Named Entity, i.e. real-world entities represented as a list of attributes (names, places, organisations, etc.). In…

Computation and Language · Computer Science 2023-11-22 Alessandro Basile , Riccardo Crupi , Michele Grasso , Alessandro Mercanti , Daniele Regoli , Simone Scarsi , Shuyi Yang , Andrea Cosentini

Sequence labeling is a widely used method for named entity recognition and information extraction from unstructured natural language data. In clinical domain one major application of sequence labeling involves extraction of medical entities…

Computation and Language · Computer Science 2016-08-03 Abhyuday Jagannatha , Hong Yu

Named entity recognition (NER) is a crucial task for online advertisement. State-of-the-art solutions leverage pre-trained language models for this task. However, three major challenges remain unresolved: web queries differ from natural…

Information Retrieval · Computer Science 2023-07-03 Simiao Zuo , Pengfei Tang , Xinyu Hu , Qiang Lou , Jian Jiao , Denis Charles

Large language models (LLMs) have demonstrated dominating performance in many NLP tasks, especially on generative tasks. However, they often fall short in some information extraction tasks, particularly those requiring domain-specific…

Computation and Language · Computer Science 2023-09-22 Junyi Bian , Jiaxuan Zheng , Yuyi Zhang , Shanfeng Zhu

Extraction of categorised named entities from text is a complex task given the availability of a variety of Named Entity Recognition (NER) models and the unstructured information encoded in different source document formats. Processing the…

Computation and Language · Computer Science 2021-12-07 Sandaru Seneviratne , Sergio J. Rodríguez Méndez , Xuecheng Zhang , Pouya G. Omran , Kerry Taylor , Armin Haller

Relation extraction between drugs plays a crucial role in identifying drug drug interactions and predicting side effects. The advancement of machine learning methods in relation extraction, along with the development of large medical text…

Computation and Language · Computer Science 2025-10-28 Ali Fata , Hossein Rahmani , Parinaz Soltanzadeh , Amirhossein Derakhshan , Behrouz Minaei Bidgoli

In this paper, we present our approach to extracting structured information from unstructured Electronic Health Records (EHR) [2] which can be used to, for example, study adverse drug reactions in patients due to chemicals in their…

Computation and Language · Computer Science 2020-01-30 Amogh Kamat Tarcar , Aashis Tiwari , Vineet Naique Dhaimodker , Penjo Rebelo , Rahul Desai , Dattaraj Rao

This paper addresses the challenges posed by the unstructured nature and high-dimensional semantic complexity of electronic health record texts. A deep learning method based on attention mechanisms is proposed to achieve unified modeling…

Computation and Language · Computer Science 2025-07-03 Ting Xu , Xiaoxiao Deng , Xiandong Meng , Haifeng Yang , Yan Wu

NER has been traditionally formulated as a sequence labeling task. However, there has been recent trend in posing NER as a machine reading comprehension task (Wang et al., 2020; Mengge et al., 2020), where entity name (or other information)…

Machine Learning · Computer Science 2022-05-13 Anubhav Shrimal , Avi Jain , Kartik Mehta , Promod Yenigalla

We study the problem of named entity recognition (NER) from electronic medical records, which is one of the most fundamental and critical problems for medical text mining. Medical records which are written by clinicians from different…

Computation and Language · Computer Science 2018-05-01 Zhenghui Wang , Yanru Qu , Liheng Chen , Jian Shen , Weinan Zhang , Shaodian Zhang , Yimei Gao , Gen Gu , Ken Chen , Yong Yu

Ultra-fine entity typing (UFET) is the task of inferring the semantic types, from a large set of fine-grained candidates, that apply to a given entity mention. This task is especially challenging because we only have a small number of…

Computation and Language · Computer Science 2023-05-23 Na Li , Zied Bouraoui , Steven Schockaert

Knowledge present in a domain is well expressed as relationships between corresponding concepts. For example, in zoology, animal species form complex hierarchies; in genomics, the different (parts of) molecules are organized in groups and…

Machine Learning · Computer Science 2021-07-08 Lu Yin , Vlado Menkovski , Mykola Pechenizkiy

Clinical studies often require understanding elements of a patient's narrative that exist only in free text clinical notes. To transform notes into structured data for downstream use, these elements are commonly extracted and normalized to…

Computation and Language · Computer Science 2020-08-03 Monica Agrawal , Chloe O'Connell , Yasmin Fatemi , Ariel Levy , David Sontag

The extraction of critical patient information from Electronic Health Records (EHRs) poses significant challenges due to the complexity and unstructured nature of the data. Traditional machine learning approaches often fail to capture…

Computation and Language · Computer Science 2025-09-03 Zhimeng Luo , Abhibha Gupta , Adam Frisch , Daqing He