@article{(Open Science Index):https://publications.waset.org/pdf/9949,
	  title     = {New Approach for Manipulation of Stratified Programs},
	  author    = {Amel Grissa-Touzi and  Chadlia Jerad and  Habib Ounelli},
	  country	= {},
	  institution	= {},
	  abstract     = {Negation is useful in the majority of the real world applications. However, its introduction leads to semantic and canonical problems. We propose in this paper an approach based on stratification to deal with negation problems. This approach is based on an extension of predicates nets. It is characterized with two main contributions. The first concerns the management of the whole class of stratified programs. The second contribution is related to usual operations optimizations on stratified programs (maximal stratification, incremental updates ...).
},
	    journal   = {International Journal of Computer and Information Engineering},
	  volume    = {1},
	  number    = {11},
	  year      = {2007},
	  pages     = {3574 - 3577},
	  ee        = {https://publications.waset.org/pdf/9949},
	  url   	= {https://publications.waset.org/vol/11},
	  bibsource = {https://publications.waset.org/},
	  issn  	= {eISSN: 1307-6892},
	  publisher = {World Academy of Science, Engineering and Technology},
	  index 	= {Open Science Index 11, 2007},
	}