Opinosis is a graph based approach to generate abstractive summaries of highly redundant opinion. More details can be found at http://timan.cs.uiuc.edu/downloads.html.
The original idea was presented by Kavita Ganesan, ChengXiang Zhai, JiaweiHan (University of Illinois @ Urbana Champaign) under the topic Opinosis. Please refer to the paper and presentation for more details.
An example of running the algorithm on a small dataset of Toyota Camry reviews
1.) Run the command python CreateOpinionGraph.py