단어 벡터(Word Vector): Word vectors are multi-dimensional mathematical representations of words created using deep learning methods. They give us insight into relationships between words in a corpus. Co-occurrence: 두 단어가 정해진 구간 내에서 동시에 등장함. Collocation(연어): 인접하게 빈번하게 등장하는 단어 (“Data” + “Science”)