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Most state-of-the-art approaches for named-entity recognition (NER) use semi supervised information in the form of word clusters and lexicons. Recently neural network-based language models have been explored, as they as a byproduct generate…

计算与语言 · 计算机科学 2014-04-23 Alexandre Passos , Vineet Kumar , Andrew McCallum

Acknowledgments in scientific papers may give an insight into aspects of the scientific community, such as reward systems, collaboration patterns, and hidden research trends. The aim of the paper is to evaluate the performance of different…

计算与语言 · 计算机科学 2022-06-23 Nina Smirnova , Philipp Mayr

We computed both Word and Sub-word Embeddings using FastText. For Sub-word embeddings we selected Byte Pair Encoding (BPE) algorithm to represent the sub-words. We evaluated the Biomedical Word Embeddings obtaining better results than…

Most existing methods for biomedical entity recognition task rely on explicit feature engineering where many features either are specific to a particular task or depends on output of other existing NLP tools. Neural architectures have been…

计算与语言 · 计算机科学 2017-08-14 Sunil Kumar Sahu , Ashish Anand

The accurate recognition of symptoms in clinical reports is significantly important in the fields of healthcare and biomedical natural language processing. These entities serve as essential building blocks for clinical information…

计算与语言 · 计算机科学 2024-01-30 Mai A. Shaaban , Abbas Akkasi , Adnan Khan , Majid Komeili , Mohammad Yaqub

Named Entity Recognition (NER) involves identifying and categorizing named entities within textual data. Despite its significance, NER research has often overlooked low-resource languages like Myanmar (Burmese), primarily due to the lack of…

计算与语言 · 计算机科学 2025-04-08 Kaung Lwin Thant , Kwankamol Nongpong , Ye Kyaw Thu , Thura Aung , Khaing Hsu Wai , Thazin Myint Oo

Clinical trials are central to medical progress because they help improve understanding of human health and the healthcare system. They play a key role in discovering new ways to detect, prevent, or treat diseases, and it is essential that…

计算与语言 · 计算机科学 2025-10-16 Surya Tejaswi Yerramsetty , Almas Fathimah

Contextualized embeddings use unsupervised language model pretraining to compute word representations depending on their context. This is intuitively useful for generalization, especially in Named-Entity Recognition where it is crucial to…

计算与语言 · 计算机科学 2020-01-23 Bruno Taillé , Vincent Guigue , Patrick Gallinari

Biomedical Question Answering aims to obtain an answer to the given question from the biomedical domain. Due to its high requirement of biomedical domain knowledge, it is difficult for the model to learn domain knowledge from limited…

计算与语言 · 计算机科学 2022-06-29 Yuxuan Lu , Jingya Yan , Zhixuan Qi , Zhongzheng Ge , Yongping Du

This paper summarizes the CLaC submission for SMM4H 2022 Task 10 which concerns the recognition of diseases mentioned in Spanish tweets. Before classifying each token, we encode each token with a transformer encoder using features from…

计算与语言 · 计算机科学 2022-09-14 Harsh Verma , Parsa Bagherzadeh , Sabine Bergler

Advances in natural language processing techniques, such as named entity recognition and normalization to widely used standardized terminologies like UMLS or SNOMED-CT, along with the digitalization of electronic health records, have…

External knowledge is often useful for natural language understanding tasks. We introduce a contextual text representation model called Conceptual-Contextual (CC) embeddings, which incorporates structured knowledge into text…

计算与语言 · 计算机科学 2020-03-13 Xiao Zhang , Dejing Dou , Ji Wu

This paper describes our approach presented for the eHealth-KD 2019 challenge. Our participation was aimed at testing how far we could go using generic tools for Text-Processing but, at the same time, using common optimization techniques in…

计算与语言 · 计算机科学 2019-09-30 Neus Català , Mario Martin

Monitoring the administration of drugs and adverse drug reactions are key parts of pharmacovigilance. In this paper, we explore the extraction of drug mentions and drug-related information (reason for taking a drug, route, frequency,…

计算与语言 · 计算机科学 2019-09-24 Maksim Belousov , Nikola Milosevic , Ghada Alfattni , Haifa Alrdahi , Goran Nenadic

This work presents biomedical and clinical language models for Spanish by experimenting with different pretraining choices, such as masking at word and subword level, varying the vocabulary size and testing with domain data, looking for…

We evaluate chemical patent word embeddings against known biomedical embeddings and show that they outperform the latter extrinsically and intrinsically. We also show that using contextualized embeddings can induce predictive models of…

计算与语言 · 计算机科学 2020-10-27 Camilo Thorne , Saber Akhondi

We propose a new approach for learning contextualised cross-lingual word embeddings based on a small parallel corpus (e.g. a few hundred sentence pairs). Our method obtains word embeddings via an LSTM encoder-decoder model that…

计算与语言 · 计算机科学 2021-10-22 Takashi Wada , Tomoharu Iwata , Yuji Matsumoto , Timothy Baldwin , Jey Han Lau

The CL-SciSumm 2016 shared task introduced an interesting problem: given a document D and a piece of text that cites D, how do we identify the text spans of D being referenced by the piece of text? The shared task provided the first…

计算与语言 · 计算机科学 2017-08-11 Luis Moraes , Shahryar Baki , Rakesh Verma , Daniel Lee

Traditional biomedical version of embeddings obtained from pre-trained language models have recently shown state-of-the-art results for relation extraction (RE) tasks in the medical domain. In this paper, we explore how to incorporate…

计算与语言 · 计算机科学 2020-12-23 Ishani Mondal

Contextualized word embeddings derived from pre-trained language models (LMs) show significant improvements on downstream NLP tasks. Pre-training on domain-specific corpora, such as biomedical articles, further improves their performance.…

计算与语言 · 计算机科学 2019-04-05 Qiao Jin , Bhuwan Dhingra , William W. Cohen , Xinghua Lu