Update README.md

README.md

@@ -4,3 +4,4 @@ It is a project for 2023 WS "Data Science for Linguistics"
 ## Reference 
 1. Yan Song, Shuming Shi, Jing Li, and Haisong Zhang. [Directional Skip-Gram: Explicitly Distinguishing Left and Right Context for Word Embeddings.](https://aclanthology.org/N18-2028/)  NAACL 2018 (Short Paper).
 2. Líu, L.; Wáng, H.; Bǎi, Y. (2007): Xiàndài Hànyǔ fāngyán héxīncí, tèzhēng cíjí 现代汉语方言核心词·特征词集 [Collection of basic vocabulary words and characteristic dialect words in modern Chinese dialects]. Nánjīng: Fènghuáng.
+3. Tencent AI Lab (https://ai.tencent.com/ailab/nlp/en/embedding.html)