In this paper we present the DLSIAUES team's participation in the TAC 2008 Opinion Pilot and Recognizing Textual Entailment tasks. Structured in two distinct parts corresponding to these tasks, the paper presents the opinion and textual entailment systems, their components, as well as the tools and methods used to implement the approaches taken. Moreover, we describe the difficulties encountered at different steps and the distinct solutions that were adopted. We present the results of the evaluations performed within TAC 2008, analyze them and comment upon their significance. Finally, we conclude on the performed experiments and present some of the lines for future work.
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