Paraphrase patterns are useful in paraphrase recognition and generation. In this paper, we present a pivot approach for extracting paraphrase patterns from bilingual parallel corpora, whereby the English paraphrase patterns are extracted using the sentences in a foreign language as pivots. We propose a loglinear model to compute the paraphrase likelihood of two patterns and exploit feature func...

Paraphrase evaluation is typically done either manually or through indirect, taskbased evaluation. We introduce an intrinsic evaluation PARADIGM which measures the goodness of paraphrase collections that are represented using synchronous grammars. We formulate two measures that evaluate these paraphrase grammars using gold standard sentential paraphrases drawn from a monolingual parallel corpus...

By demand of expression, a double negation sentences are used in many situations. According to characteristics of double negation sentences, a paraphrase method based on templates is used. The method analysis sentence structure of double negation sentences, extract syntax frame and construct paraphrase templates. The syntax structure of double negative sentence and affirmation sentence are suit...

The syntax structure of double negative sentence and affirmation sentence are suitable for paraphrase. By syntax analyzing structure of double negative sentences and their affirmation sentence, proposed method abstract paraphrase templates. Matching of paraphrase template with paraphrase sentences is completed by calculating their similarity. The small-scale experiments have been done and got t...

SMT has been used in paraphrase generation by translating a source sentence into another (pivot) language and then back into the source. The resulting sentences can be used as candidate paraphrases of the source sentence. Existing work that uses two independently trained SMT systems cannot directly optimize the paraphrase results. Paraphrase criteria especially the paraphrase rate is not able t...