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In opinion-finding, the retrieval system is tasked with retrieving not just relevant documents, but which also express an opinion towards the query target entity. Most opinionfinding systems are based on a two-stage approach, where initially the system aims to retrieve relevant documents, which are then re-ranked according to the extent to which they are detected to be of an opinionated nature. In this work, we investigate how the underlying 'baseline' retrieval system performance affects thedoi:10.1145/1390334.1390483 dblp:conf/sigir/MacdonaldHOS08 fatcat:wnv7tf35kfcoxnaymdlahp7yte