Download Advances in Parallel and Distributed Computing and by James J. (Jong Hyuk) Park, Gangman Yi, Young-Sik Jeong, Hong PDF

By James J. (Jong Hyuk) Park, Gangman Yi, Young-Sik Jeong, Hong Shen

This e-book includes the mixed court cases of the 4th overseas convention on Ubiquitous Computing program and instant Sensor community (UCAWSN-15) and the sixteenth overseas convention on Parallel and dispensed Computing, functions and applied sciences (PDCAT-15). The mixed lawsuits current peer-reviewed contributions from educational and commercial researchers in fields together with ubiquitous and context-aware computing, context-awareness reasoning and illustration, position information providers, and architectures, protocols and algorithms, power, administration and keep an eye on of instant sensor networks. The publication contains the most recent study effects, sensible advancements and purposes in parallel/distributed architectures, instant networks and cellular computing, formal equipment and programming languages, community routing and communique algorithms, database functions and information mining, entry regulate and authorization and privateness conserving computation.

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It is read by swiping the card in a magnetic card reader. 4 Security of Mobile Payment This section presents security properties, and cryptographic techniques. 1 Security Properties A secure mobile payment system must have the following properties [13]. • Confidentiality—The system must ensure that private or confidential information will not be made available or disclosed to unauthorized individuals. • Integrity—The system must ensure that only authorized parties are able to modify computer system assets and transmitted information.

B) (a) 2500 4000 2000 TMA(4) Addition G2A Addition 3000 TMA(8) Addition G2A Addition 1500 2000 1000 1000 500 0 0 0 20 40 60 80 100 120 3 4 5 6 7 8 9 10 11 12 Fig. 3 Experimental performance for matrix-matrix addition for several dimensions; a Addition TMA(4) and G2A; b Addition TMA(8) and G2A (a) (b) 300000 60000 250000 50000 TMA(4) Multiplication G2A Multiplication 200000 TMA(8) Multiplication G2A Multiplication 40000 150000 30000 100000 20000 50000 10000 0 0 0 20 40 60 80 100 120 3 4 5 6 7 8 9 10 11 12 Fig.

To use them in the MF-based RS, we come up with two kinds of social regularization for each similarity function. Compared with previous social regularization, our methods can more precisely explain users’ interest similarity. The experimental analysis on a large dataset shows that our approaches improve the performance of the state-of-the-art social recommendation model. Keywords Recommender system regularization Á Social network Á Matrix factorization Á Social Z. cn H. cn H. (Jong Hyuk) Park et al.

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