Recently, due to the increasing popularity of social media, the necessity for
extracting information from informal text types, such as microblog texts, has
gained significant attention. In this study, we focused on the Named Entity
Recognition (NER) problem on informal text types for Turkish. We utilized a
semi-supervised learning approach based on neural networks. We applied a fast
unsupervised method for learning continuous representations of words in vector
space. We made use of these obtained word embeddings, together with language
independent features that are engineered to work better on informal text types,
for generating a Turkish NER system on microblog texts. We evaluated our
Turkish NER system on Twitter messages and achieved better F-score performances
than the published results of previously proposed NER systems on Turkish
tweets. Since we did not employ any language dependent features, we believe
that our method can be easily adapted to microblog texts in other
morphologically rich languages.

本文基于神经网络的半监督学习方法，利用非监督学习获取的词向量及专门为微博文本设计的语言无关特征，成功生成一种识别土耳其微博文本中命名实体的系统，并在推特信息上表现出较好的 F-score 性能，相比之前提出的 NER 系统有所提升。该方法没有使用任何特定的语言特征，因此可以轻松地适用于其他形态丰富的语言的微博文本。