tool,15-2-N03-1033,ak | 97.24 % <term> accuracy </term> on the <term> | Penn Treebank WSJ | </term> , an <term> error reduction </term> | #2995 Using these ideas together, the resulting tagger gives a 97.24% accuracy on the Penn Treebank WSJ , an error reduction of 4.4% on the best previous single automatically learned tagging result. |