Title	Multilevel edge detection using quantum and classical genetic algorithms: A comparative study
Author	S.Khalek, A. Ben Ishak, A.-S. F. Obada
Citation	Vol. 16  No. 7  pp. 83-93
Keywords	Quantum genetic algorithm. genetic algorithm. Multi-thresholing. Edge de- tection. Tsallis entropy. Kapur entropy. PACS numbers:

Title	Fuzzy Reasoning in Description Logic
Author	Mohamed Gasmi, Mustapha Bourahla,
Citation	Vol. 16  No. 7  pp. 71-82
Keywords	Semantic Web, Ontologies, Description Logics, Fuzzy logic, Reasoning, Concrete domain.

Title	Towards a Cloud Service Standardization to ensure interoperability in heterogeneous Cloud based environment
Author	Majda Elhozmari, Ahmed Ettalbi
Citation	Vol. 16  No. 7  pp. 60-70
Keywords	Cloud Computing. Heterogeneous Cloud. SOAP. REST. Interoperability.

Title	Joint Synchronization and Channel Estimation with Optimum Training Sequences for OFDM-Based Systems Using EM Algorithm
Author	Navid Daryasafar, Omid Borazjani
Citation	Vol. 16  No. 7  pp. 54-59
Keywords	MIMO-OFDM, Frequency Synchronization, CFO, Channel Estimation, EM Algorithm