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Evaluation of Word Vector Representations by Subspace Alignment

机译:通过子空间对齐评估词向量表示

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Unsupervisedly learned word vectors have proven to provide exceptionally effective features in many NLP tasks. Most common intrinsic evaluations of vector quality measure correlation with similarity judgments. However, these often correlate poorly with how well the learned representations perform as features in downstream evaluation tasks. We present qvec-a computationally inexpensive intrinsic evaluation measure of the quality of word embeddings based on alignment to a matrix of features extracted from manually crafted lexical resources-that obtains strong correlation with performance of the vectors in a battery of downstream semantic evaluation tasks.
机译:无监督学习的词向量已被证明在许多NLP任务中提供了异常有效的功能。向量质量的最常见内在评估使用相似性判断来衡量相关性。但是,这些通常与所学习的表示作为下游评估任务中的功能的表现差强人意。我们提出qvec-基于与从手工制作的词汇资源中提取的特征矩阵对齐的对齐方式,对词嵌入质量的计算成本低廉的内在评估方法-该方法获得了与一系列下游语义评估任务中向量性能的强相关性。

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