Word2vec is one of the most popular methods from natural language.
The word embeddings technique have the effectively proabliliy to capture the semantic meanings of the word.
There are numerous of sources such as online reviews, social network services and scientific publications,
have been applied to textual data.
PubMed comprises more than 28 million citations for biomedical literature from MEDLINE, life science journals,
and online books.
Here is an example code of using scientific publications from PubMed website.
中文說明：
詞映射技術文章來源 – 醫學文獻
透過PuMed搜尋引擎下載自2016年至2000年所有公開刊登之文獻摘要，檢索方式為："2000"[Date - Publication] : "2016"[Date - Publication]，如文獻下載示意圖，並以MEDLINE格式下載，再使用R軟體之正規表達式擷取標題以及摘要部分，並去除標點符號、括號內文字以及各式標題，例如：BACKGROUND、METHODS等文字，除此之外將所有數字轉換成數字0，以及將單字大寫轉換成小寫，以便進行詞映射模組訓練。
關鍵字：詞映射 詞向量 詞鑲嵌