%0 Book Section
%1 piskorski2013information
%A Piskorski, Jakub
%A Yangarber, Roman
%B Multi-source, Multilingual Information Extraction and Summarization
%D 2013
%E Poibeau, Thierry
%E Saggion, Horacio
%E Piskorski, Jakub
%E Yangarber, Roman
%I Springer Berlin Heidelberg
%K extraction information sota survey
%P 23-49
%T Information Extraction: Past, Present and Future
%U http://dx.doi.org/10.1007/978-3-642-28569-1_2
%X In this chapter we present a brief overview of Information Extraction, which is an area of natural language processing that deals with finding factual information in free text. In formal terms,