Twitter-XLM-Roberta-base

This is a XLM-Roberta-base model trained on ~198M multilingual tweets, described and evaluated in the reference paper. To evaluate this and other LMs on Twitter-specific data, please refer to the main repository. A usage example is provided below.

Computing tweet similarity

def preprocess(text):
    new_text = []
    for t in text.split(" "):
        t = '@user' if t.startswith('@') and len(t) > 1 else t
        t = 'http' if t.startswith('http') else t
        new_text.append(t)
    return " ".join(new_text)

def get_embedding(text):
    text = preprocess(text)
    encoded_input = tokenizer(text, return_tensors='pt')
    features = model(**encoded_input)
    features = features[0].detach().numpy() 
    features_mean = np.mean(features[0], axis=0) 
    return features_mean

query = "Acabo de pedir pollo frito 🐣" #spanish

tweets = ["We had a great time! ⚽️", # english
          "We hebben een geweldige tijd gehad! ⛩", # dutch
          "Nous avons passé un bon moment! 🎥", # french
          "Ci siamo divertiti! 🍝"] # italian

d = defaultdict(int)
for tweet in tweets:
    sim = 1-cosine(get_embedding(query),get_embedding(tweet))
    d[tweet] = sim

print('Most similar to: ',query)
print('----------------------------------------')
for idx,x in enumerate(sorted(d.items(), key=lambda x:x[1], reverse=True)):
  print(idx+1,x[0])
Most similar to:  Acabo de pedir pollo frito 🐣
----------------------------------------
1 Ci siamo divertiti! 🍝
2 Nous avons passé un bon moment! 🎥
3 We had a great time! ⚽️
4 We hebben een geweldige tijd gehad! ⛩
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