“…However, there are several studies on the automatic identification of logical structure of documents e.g. (Conway, 1993;Yamashita et al, 1991;Derrien-Peden, 1991;Krishnamoorthy, 1993). Most traditional approaches in this field have employed deterministic methods (decision trees, formal grammars) (Mao et al, 2003;Tsujimoto & Asada, 1990;Derrien-Peden, 1991), which may suffer from poor performance due to noise and uncertainty.…”