Question: What word embeddings do they test?
Answer: Bernoulli embeddings (b-emb) BIBREF1 , continuous bag-of-words (CBOW) BIBREF5 , Distributed Memory version of Paragraph Vector (PV-DM) BIBREF11 and the Global Vectors (GloVe) BIBREF6 model
Alternative answer: Bernoulli embeddings, continuous bag-of-words, Distributed Memory version of Paragraph Vector, Global Vectors, equation embeddings, equation unit embeddings