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A Hybrid Approach to Features Representation for Fine-grained Arabic Named Entity Recognition

机译:细粒度阿拉伯命名实体识别的特征表示混合方法

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Despite considerable research on the topic of Arabic Named Entity Recognition (NER), almost all efforts focus on a traditional set of semantic classes, features and token representations. In this work, we advance previous research in a systematic manner and devise a novel method to represent these features, relying on a dependency-based structure to capture further evidence within the sentence. Moreover, the work also describes an evaluation of the method involving the capture of global features and employing the clustering of unannotated textual data. To meet this set of goals, we conducted a series of evaluations to evaluate different aspects that demonstrate great improvement when compared with the baseline model.
机译:尽管对阿拉伯命名实体识别(NER)主题进行了大量研究,但几乎所有工作都集中在传统的语义类,特征和令牌表示形式上。在这项工作中,我们以系统的方式推进先前的研究,并设计出一种新颖的方法来表示这些特征,并依靠基于依存关系的结构来捕获句子中的进一步证据。此外,该工作还描述了对方法的评估,该方法涉及捕获全局特征并采用未注释文本数据的聚类。为了实现这一目标,我们进行了一系列评估,以评估与基线模型相比有很大改进的不同方面。

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