2. The method according to claim 1 , further comprising re-clustering each cluster into sub clusters such that each two textual fields of record within two different sub clusters exhibit between them a textual similarity below a specified value, wherein the associating is applied to at least some sub clusters.
2. The method according to claim 1 , further comprising re-clustering each cluster into sub clusters such that each two textual fields of record within two different sub clusters exhibit between them a textual similarity below a specified value, wherein the associating is applied to at least some sub clusters. 3. The method according to claim 2 , further comprising merging sub clusters whose labels exhibit a textual similarity between them above a specified level.