hundreds of thousands of duplicate questions, has become a common dataset for the evaluation of paraphrase detectors. The best performing models for paraphrase detection for the last three years have all used the Transformer architecture and all have relied on large amounts of pre-training with more general data before fine-tuning with the question pairs. See also Round-trip translation Text simplification Text normalization References External links Microsoft Research Paraphrase Corpus - a dataset consisting of 5800 pairs of sentences extracted from news articles annotated to note whether a pair captures semantic equivalence Paraphrase Database (PPDB) - A searchable database containing millions of paraphrases in 16 different languages Computational linguistics Machine learning