... spelling correction. In AND, pages 79–86.M. Schierle, S. Schulz, and M. Ackermann. 2007. Fromspelling correction to text cleaning - using context in- formation. In GfKl, Studies in Classification, ... successful in spelling correction for text clean-ing (Schierle et al., 2007). Nevertheless, as we laterexplain, our approach can still incorporate query-logdata as features involved in the correction, ... ourmethod (finding top paths first, and then re-ranking)to avoid the inherent computational hardness in- volved in finding maximal cliques.2.3 Handling ExpressionsWe now briefly discuss our handling of...