What are some NLP approaches to paraphrasing text?

What are some NLP approaches to paraphrasing text?

Although controversial, don’t forget to look into “Spintax” (aka Article spinning).

See also my quick and dirty webpages:

• Paraphrase Database | Meta-Guide.com
• Paraphrasing & Dialog Systems 2014 | Meta-Guide.com
• SPG (Statistical Paraphrase Generation) | Meta-Guide.com