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Named Entity Recognition with Small Strongly Labeled and ...
on large in-domain unlabeled data. When there is no labeled data, one approach is to use weak supervision to generate labels automat-ically from domain knowledge bases (Shang et al., 2018;Liang et al.,2020). For example,Shang et al.(2018) match spans of unlabeled Biomedical documents to a Biomedical dictionary to generate
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Transformer-XL: Attentive Language Models beyond a Fixed ...
aclanthology.org⌧+1= Transformer-Layer(q n,kn ⌧+1,v n). where the function SG(·) stands for stop-gradient, the notation [hu hv] indicates the concatenation of two hidden sequences along the length dimen-sion, and W· denotes model parameters. Com-pared to the standard Transformer, the critical dif-ference lies in that the key kn ⌧+1 and value v n ⌧+1
Improving Multimodal Named Entity Recognition via Entity ...
aclanthology.orgwith cross-modal attention mechanism to produce an image-aware word representation and a word-aware visual representation for each input word, respectively. Finally, to largely eliminate the bias of the visual context, we propose to leverage text-based entity span detection as an auxiliary task, and design a unified neural architecture based on
Entity, Relation, and Event Extraction with Contextualized ...
aclanthology.orgSpan enumeration Event propagation Coreference Auxiliary Sentence Sentence É É Sentence Figure 1: Overview of our framework: DYGIE++. Shared span representations are constructed by refin-ing contextualized word embeddings via span graph updates, then passed to scoring functions for three IE tasks. Mitchell,2016;Li and Ji,2014) and neural scor-
CH-SIMS: A Chinese Multimodal Sentiment Analysis Dataset ...
aclanthology.orgSentiment analysis is an important research area in Natural Language Processing (NLP). It has wide applications for other NLP tasks, such as opinion mining, dialogue generation, and user behavior analysis. Previous study (Pang et al.,2008;Liu and Zhang,2012) mainly focused on text sentiment analysis and achieved impressive results. However,
Recurrent Attention Network on Memory for Aspect …
aclanthology.orgtic analysis (Socher et al.,2010) and sentence sen-timent analysis (Socher et al.,2013). (Dong et al., 2014;Nguyen and Shirai,2015) adopted Rec-NN for aspect sentiment classication, by converting the opinion target as the tree root and propagating the sentiment of targets depending on the context and syntactic relationships between them. How-
A Joint Neural Model for Information Extraction with ...
aclanthology.orgEntity Extraction aims to identify entity men-tions in text and classify them into pre-defined en-tity types. A mention can be a name, nominal, or pronoun. For example, “Kashmir region” should be recognized as a location (LOC) named entity mention in Figure2. Relation Extraction is the task of assigning a
Exploring Pre-trained Language Models for Event Extraction ...
aclanthology.org3 Extraction Model This section describes our approach to extract events that occur in plain text. We consider event extraction as a two-stage task, which includes trig-ger extraction and argument extraction, and pro-pose a Pre-trained Language Model based Event Extractor (PLMEE). Figure3illustrates the archi-tecture of PLMEE.
BLEU: a Method for Automatic Evaluation of Machine …
aclanthology.orgtor and a standard (poor) machine translation system using 4 reference translations for each of 127 source sentences. The average precision results are shown in Figure 1. Figure 1: Distinguishing Human from Machine ˘ ˇ ˆ The strong signal differentiating human (high pre-cision) from machine (low precision) is striking.
Dual Graph Convolutional Networks for Aspect-based ...
aclanthology.orgAspect-based sentiment analysis is a fine-grained sentiment classification task. Re-cently, graph neural networks over depen-dency trees have been explored to explicitly model connections between aspects and opin-ion words. However, the improvement is lim-ited due to the inaccuracy of the dependency parsing results and the informal expressions
Learning Implicit Sentiment in Aspect-based Sentiment ...
aclanthology.orgAspect-based sentiment analysis aims to iden-tify the sentiment polarity of a specific aspect in product reviews. We notice that about 30% of reviews do not contain obvious opinion words, but still convey clear human-aware sen-timent orientation, which is known as implicit sentiment. However, recent neural network-
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Heterogeneous Graph Attention Networks for Semi …
aclanthology.orgbel the unlabeled documents in an iterative way. Recently, graph convolutional networks (GCN) have received wide attention for semi-supervised classification (Kipf and Welling, 2017). TextGCN (Yao et al., 2019) models the whole text corpus as …
Distant supervision for relation extraction without ...
web.stanford.edudocuments in which pairs of entities have been la-beled with 5 to 7 major relation types and 23 to 24 subrelations, totaling 16,771 relation instances. ... can use large amounts of unlabeled data, a pair of entities may occur multiple times in the test set. …
Illumina Sequencing Technology
www.illumina.comAdd unlabeled nucleotides and enzyme to initiate solid-phase bridge amplification. Attached terminus Attached terminus Free terminus. Technology Spotlight: Illumina ...
National Patient Safety Goals Effective July 2020 for the ...
www.jointcommission.orgunlabeled containers. This unsafe practice neglects basic principles of safe medication management, yet it is routine in many organizations. The labeling of all medications, medication containers, and other solutions is a risk-reduction activity consistent with safe medication management. This practice addresses a recognized risk point in the
PROFICIENCY TESTING MANUAL
documents.cap.orgProficiency Testing Manual College of American Pathologists 5 General Customer Information PT Referral Information Per CLIA, as published by the United States Federal Register, PT specimens must be tested with the laboratory’s regular …