Argumentation Analysis in Customer Opinion Mining (ArguAna) is a cooperative project of the German Federal Ministry of Education and Research (BMBF). The aim of the project is to develop text processing technologies for the automatic extraction and classification of opinions from natural language text. Following research questions are investigated: (1) recognition, processing and visualization of single opinions on product features, and (2) determination of the course of argumentation on products as a whole. Further information can be found on the official project page which is maintained by the University of Paderborn. [demo]