Multilingual text analysis challenges models and approaches Multilingual text analysis : history tasks and challenges Using a polytope model for unsupervised document summarization Approach for unsupervised multilingual document summarization Rich feature spaces and regression models in single document extractive summarization Hierarchical topic model and summarization A survey of neural models for abstractive summarization Heads : headline generation as a sequence prediction using an abstract feature rich space Crowdsourcing in single document summary Multilingual summarization and evaluation using Wikipedia featured articles Are better summaries also easier to understand : analyzing text complexity In automatic summarization Twitter event detection analysis and summarization Linguistic bias in crowdsourced biographies : a cross lingual examination Multilingual financial narrative processing : analysis annual reports in English Spanish and Portugese.