Paraphrase evaluation corpora

Is there a corpus other开发者_高级运维 than MSRPC (Microsoft Research Paraphrase Corpus) for evaluating Paraphrase recognition approaches? I'm using MSRPC but I'm in need of other corpora for evaluating my approach.

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There's also Twitter Paraphrase Corpus: http://alt.qcri.org/semeval2015/task1/

You can email the organizers to ask for the data.