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Yuan-Ko Huang
The location-based aggregate queries, consisting of the shortest average distance query (SAvgDQ), the shortest minimal distance query (SMinDQ), the shortest maximal distance query (SMaxDQ), and the shortest sum distance query (SSumDQ) are new types of lo...
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Taufik Fuadi Abidin, Amir Mahazir, Muhammad Subianto, Khairul Munadi and Ridha Ferdhiana
During the previous decades, intelligent identification of acronym and expansion pairs from a large corpus has garnered considerable research attention, particularly in the fields of text mining, entity extraction, and information retrieval. Herein, we p...
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Ranjan Kumar Behera, Santanu Kumar Rath, Sanjay Misra, Robertas Dama?evicius and Rytis Maskeliunas
Analyzing the structure of a social network helps in gaining insights into interactions and relationships among users while revealing the patterns of their online behavior. Network centrality is a metric of importance of a network node in a network, whic...
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Matheus H. M. Pericini, Lucas G. M. Leite, Francisco H. De Carvalho-Junior, Javam C. Machado and Cenez A. Rezende
MapReduce is a parallel computing model in which a large dataset is split into smaller parts and executed on multiple machines. Due to its simplicity, MapReduce has been widely used in various applications domains. MapReduce can significantly reduce the ...
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Nureni Ayofe Azeez, Tolulope Jide Ayemobola, Sanjay Misra, Rytis Maskeliunas and Robertas Dama?evicius
Ubiquitous nature of Internet services across the globe has undoubtedly expanded the strategies and operational mode being used by cybercriminals to perpetrate their unlawful activities through intrusion on various networks. Network intrusion has led to ...
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Zhigang Han, Fen Qin, Caihui Cui, Yannan Liu, Lingling Wang and Pinde Fu
A soil erosion model is used to evaluate the conditions of soil erosion and guide agricultural production. Recently, high spatial resolution data have been collected in new ways, such as three-dimensional laser scanning, providing the foundation for refi...
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Md. Anisuzzaman Siddique, Hao Tian, Mahboob Qaosar and Yasuhiko Morimoto
The skyline query and its variant queries are useful functions in the early stages of a knowledge-discovery processes. The skyline query and its variant queries select a set of important objects, which are better than other common objects in the dataset....
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Matheus H. M. Pericini, Lucas G. M. Leite, Francisco H. De Carvalho-Junior, Javam C. Machado and Cenez A. Rezende
MapReduce is a parallel computing model in which a large dataset is split into smaller parts and executed on multiple machines. Due to its simplicity, MapReduce has been widely used in various applications domains. MapReduce can significantly reduce the ...
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Li Zheng, Meng Sun, Yuejun Luo, Xiangbo Song, Chaowei Yang, Fei Hu and Manzhu Yu
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Xiaochuang Yao, Mohamed F. Mokbel, Sijing Ye, Guoqing Li, Louai Alarabi, Ahmed Eldawy, Zuliang Zhao, Long Zhao and Dehai Zhu
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Junghee Jo and Kang-Woo Lee
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Wisal Khan, Teerath Kumar, Cheng Zhang, Kislay Raj, Arunabha M. Roy and Bin Luo
The competent software architecture plays a crucial role in the difficult task of big data processing for SQL and NoSQL databases. SQL databases were created to organize data and allow for horizontal expansion. NoSQL databases, on the other hand, support...
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Alexandra Baicoianu and Ion Valentin Scheianu
The term ?big data? refers to the vast amount of structured and unstructured data generated by businesses, organizations, and individuals on a daily basis. The rapid growth of big data has led to the development of new technologies and techniques for sto...
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Panagiotis Karamolegkos, Argyro Mavrogiorgou, Athanasios Kiourtis and Dimosthenis Kyriazis
Big Data is a phenomenon that affects today?s world, with new data being generated every second. Today?s enterprises face major challenges from the increasingly diverse data, as well as from indexing, searching, and analyzing such enormous amounts of dat...
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Giuseppe Di Modica and Orazio Tomarchio
In the past twenty years, we have witnessed an unprecedented production of data worldwide that has generated a growing demand for computing resources and has stimulated the design of computing paradigms and software tools to efficiently and quickly obtai...
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Chia-Ping Tsai, Che-Wei Chang, Hung-Chang Hsiao and Haiying Shen
Not Only SQL (NoSQL) is a critical technology that is scalable and provides flexible schemas, thereby complementing existing relational database technologies. Although NoSQL is flourishing, present solutions lack the features required by enterprises for ...
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Rahmat Ullah and Tughrul Arslan
Microwave imaging systems are currently being investigated for breast cancer, brain stroke and neurodegenerative disease detection due to their low cost, portable and wearable nature. At present, commonly used radar-based algorithms for microwave imaging...
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Alberto Belussi, Sara Migliorini and Ahmed Eldawy
In recent years, several extensions of the Hadoop system have been proposed for dealing with spatial data. SpatialHadoop belongs to this group of projects and includes some MapReduce implementations of spatial operators, like range queries and spatial jo...
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Matteo Ceccarello, Andrea Pietracaprina, Geppino Pucci and Eli Upfal
We present an algorithm for approximating the diameter of massive weighted undirected graphs on distributed platforms supporting a MapReduce-like abstraction. In order to be efficient in terms of both time and space, our algorithm is based on a decomposi...
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Kevin Aydin, MohammadHossein Bateni and Vahab Mirrokni
Balanced partitioning is often a crucial first step in solving large-scale graph optimization problems, for example, in some cases, a big graph can be chopped into pieces that fit on one machine to be processed independently before stitching the results ...
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