Computer science

20200102-04
Big Data Framework overview
Elena Shoikova, Roumen Nikolov, Eugenia Kovatcheva, Boyan Jekov, Lyubomir Gotsev

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This work presents the results of a systematic review about the Big Data Framework. The overview of the meanings of the broad terms Big Data and Data Science is based mainly on NIST Big Data Interoperability Framework (National ...  read more

20190506-02
Functional programming features supported by Kotlin and Swift
Stoyan Bonev, John Galletly

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This paper examines and describes selected syntactic features of the functional programming paradigm as exemplified by two modern languages, Kotlin and Swift. The specific features of the paradigm which are considered are ...  read more

20181112-07
CBIR with dual tree complex wavelet transform using maximally flat all-pass filter
Stella Vetova, Ivo Draganov, Ivan Ivanov

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In the following paper linear-phase filters for Dual-Tree Complex Wavelet Transform implementation based on all-pass filter synthesis with maximally flat characteristics is proposed. This transform is a part of already presented ...  read more

20181112-08
Construction of a preliminary educational system for file backup system using secret sharing technique
Takeshi Tanaka, Nobuharu Okamitsu, Noriyuki Yamada, Toyoharu Takemoto, Katia Vutova

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Information-Technology Promotion Agency points out Ransomware as the second-ranked damage to organizations as well as individuals in “10 Major Security Threats 2017”. Information is stored in three data files separately ...  read more

20151112-05
Globalization and digital privacy
Radi P. Romansky, Irina St. Noninska

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Contemporary Information Society proposes variety of opportunities for communication between users (social networks & social media), different activities and services (cloud computing and mobile cloud computing), sharing ...  read more

20160708-04
Autonomous management issues in Future Internet
Anastas Nikolov

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Internet becomes more and more scalable infrastructure that steadies the social and economic life on the earth. This circumstance leads the need to develop new networks or to expand the old ones in way to meet user and device ...  read more

20161112-03
Improving the voice traffic in WLAN network
Vladimir Dimitrov

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This article examines the simulation model of a wireless local area network working on IEEE 802.11n standard (2.4 GHz) and a bandwidth of 7.2 Mbps. It explores the transmission of voice traffic encoded with G.711 at 64 kbps ...  read more