2. The method of claim 1 , wherein estimating the similarity value further comprises: constructing a first language-independent semantic structure (LISS) for a first sentence of the first document; and identifying the first semantic class using the language-independent semantic structure.
2. The method of claim 1 , wherein estimating the similarity value further comprises: constructing a first language-independent semantic structure (LISS) for a first sentence of the first document; and identifying the first semantic class using the language-independent semantic structure. 3. The method of claim 2 , further comprising: displaying through a user interface a portion of the first document and a portion of the second document; identifying fragments of the first and the second documents that are related to said similarity value; and aligning, using the user interface, the identified fragments with respect to each other.