全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Seungtae Hong , Hyeong-Il Kim , Jae-Woo Chang
来源:[J].World Wide Web(IF 1.196), 2017, Vol.20 (3), pp.467-490Springer
摘要:Recently, researches on key management scheme for user access control in outsourced databases have been actively done. Because outsourced databases require dealing with a lot of users and data resources, an efficient key management scheme for reducing the number of authentication...
作者:Miyoung Jang , Youngho Song , Jae-Woo Chang
来源:[J].Distributed and Parallel Databases(IF 0.806), 2017, Vol.35 (3-4), pp.383-409Springer
摘要:In the last decade, skyline query processing has become widely important because of its usefulness in decision making applications. Since the size of the datasets used for skyline query processing are huge, algorithms for MapReduce-based skyline query processing have been widely ...
作者:Rabindra Bista , Jae-Woo Chang
来源:[J].Sensors(IF 1.953), 2010, Vol.10 (5), pp.4577DOAJ
摘要:Many wireless sensor network (WSN) applications require privacy-preserving aggregation of sensor data during transmission from the source nodes to the sink node. In this paper, we explore several existing privacy-preserving data aggregation (PPDA) protocols for WSNs in order to p...
作者:... Hyeong-Il Kim , Jae-Woo Chang , Jong Hyuk Park
来源:[J].International Journal of Distributed Sensor Networks(IF 0.727), 2014, Vol.2014Hindawi
摘要:Data aggregation techniques have been widely used in wireless sensor networks (WSNs) to solve the energy constraint problems of sensor nodes. They can conserve the significant amount of energy by reducing data packet transmission costs. However, many data aggregation applications...
作者:... Miyoung Jang , Jae-Woo Chang , Thomas Wook Choi
来源:[J].International Journal of Distributed Sensor Networks(IF 0.727), 2014, Vol.2014Hindawi
摘要:Wireless sensor networks (WSNs) have been broadly studied with advances in ubiquitous computing environment. Because the resource of a sensor node is limited, it is important to use energy-efficient routing protocol in WSNs. The cluster-based routing is an efficient way to reduce...
作者:Hyeong-Il Kim , Seungtae Hong , Jae-Woo Chang
来源:[J].Data & Knowledge Engineering(IF 1.519), 2016, Vol.104, pp.32-44Elsevier
摘要:Abstract(#br)Research on preserving location data privacy in outsourced databases has been spotlighted with the development of cloud computing. However, the existing spatial transformation schemes are vulnerable to various attack models. The existing cryptographic transformation ...
作者:... Seung-Tae Hong , Jae-Woo Chang , Dong Hoon Choi
来源:[J].The Journal of Supercomputing(IF 0.917), 2014, Vol.69 (1), pp.375-394Springer
摘要:Abstract(#br)Graphics processing units have proved their capability for general-purpose computing in many research areas. In this paper, we propose the mechanism and implementation of a database system that encrypts and decrypts data by using GPU. The proposed mechanism is mainly...

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