Title	Query Acceleration by Preprocessing Heterogeneous Documents in Distributed Systems
Author	Farhad Moghimifar
Citation	Vol. 16  No. 9  pp. 33-44
Keywords	Distributed database, query, optimal processing, document guidance and guide index

Title	Predicting Heart Disease by Means of Associative Classification
Author	Hisham Ogbah, Abdallah Alashqur, Hazem Qattous
Citation	Vol. 16  No. 9  pp. 24-32
Keywords	Data mining, Association rules mining, Associative classification, Mining health care data

Title	Integration Means of Communication Possible with the Use of Inference knowledge bases
Author	Hooman kashanian, Mohsen Parhizgar, Fatemeh Shobeiri, Elham Dehghan niri
Citation	Vol. 16  No. 9  pp. 18-23
Keywords	Semantic Communication, the Possible Inference, Graph Knowledge Base.

Title	Optimal Training Signals Design for MIMO-OFDM Systems Channel Estimation based on MMSE Algorithm
Author	Iman Rastan, Abbas Bahreini, Milad Tamjidi, Omid Borazjani
Citation	Vol. 16  No. 9  pp. 15-17
Keywords	MIMO-OFDM, Fading Channel, Channel Estimation, MMSE Algorithm