The Definitive Guide to Natural Language Processing

'Volkswagen's new CEO Matthias Mueller has his work cut out for him. Mueller has spent most of his career at the Volkswagen group so he knows the inner workings of the company. Now experts say he'll have to make some big, bold changes to get the largest automaker in the world back on track.' In the example above, if only the third sentence is retained by the system, the reader will certainly ask himself who is the "he" that the summary is talking about. On the other hand, an abstraction-based approach implies text generation: the summarizer does not copy text from the input but writes in its own words what it understands from the text.