CAVES

What we collect: Your usage patterns and any content you provide. All of this data is fully anonymized.
How we use it: For academic research and to develop new features.
Your privacy is protected: We remove all personal identifiers so the data cannot be linked back to you.
You can change your mind: To change this preference at any time, please contact us at the email address below.

Choose a Language Enter words Use built-in synonym sets

Enter Synonyms (e.g., say, speak, talk, tell) Add More Words

Choose Sentence Level (CEFR) Choose Number of Questions

Choose Language Choose Part of Speech Choose Number of Questions

Please rate the appropriateness (1–5) of each candidate word for the blank. Probabilities and explanation will be shown after you submit.

Choose Language Choose POS

Enter Your ID

I agree to the use of my anonymized data for research purposes. ?

Contextual Adaptive Vocabulary Enhancement System