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Computer Science

Section Editor: Maria Virvou

Maria Virvou serves as a Professor and Head of the Department of Informatics, University of Piraeus, Greece.

She is a world expert in the area of Computer Education, Human-Computer Interaction and Knowledge-Based Software Engineering. She also served as the Director of the “Software Engineering” research lab. This Software Engineering lab has achieved honorary distinctions and has been one of the main contributors to establishing the University of Piraeus as a top Organization for Computer Education.

Professor Virvou has authored and/or edited  many books in Computer Science and over 300 research papers which have been published in high quality international journals, books and conference proceedings.

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  1. The malleable nature of the self led researchers to investigate the meaning of virtual identity by exploring virtual self-representation through avatars and its association with users’ identity. The present st...

    Authors: Daniela Villani, Elena Gatti, Stefano Triberti, Emanuela Confalonieri and Giuseppe Riva
    Citation: SpringerPlus 2016 5:740
  2. A graph is a popular data model that has become pervasively used for modeling structural relationships between objects. In practice, in many real-world graphs, the graph vertices and edges need to be associate...

    Authors: Omar Batarfi, Radwa Elshawi, Ayman Fayoumi, Ahmed Barnawi and Sherif Sakr
    Citation: SpringerPlus 2016 5:665
  3. At present, environmental issues become real critical barriers for many supply chain corporations concerning the sustainability of their businesses. In this context, several studies have been proposed from bot...

    Authors: Omar Boutkhoum, Mohamed Hanine, Hicham Boukhriss, Tarik Agouti and Abdessadek Tikniouine
    Citation: SpringerPlus 2016 5:664
  4. In this paper, we introduce hypervisor introspection, an out-of-box way to monitor the execution of hypervisors. Similar to virtual machine introspection which has been proposed to protect virtual machines in ...

    Authors: Jiangyong Shi, Yuexiang Yang and Chuan Tang
    Citation: SpringerPlus 2016 5:647
  5. A new wavelet-based method is presented in this work for estimating and tracking the pitch period. The main idea of the proposed new approach consists in extracting the cepstrum excitation signal and applying ...

    Authors: Fadoua Bahja, Joseph Di Martino, Elhassan Ibn Elhaj and Driss Aboutajdine
    Citation: SpringerPlus 2016 5:564
  6. In this paper we propose an approach for constructing partitionings of hard variants of the Boolean satisfiability problem (SAT). Such partitionings can be used for solving corresponding SAT instances in paral...

    Authors: Alexander Semenov and Oleg Zaikin
    Citation: SpringerPlus 2016 5:554
  7. In the last decades the popularity of natural language interfaces to databases (NLIDBs) has increased, because in many cases information obtained from them is used for making important business decisions. Unfo...

    Authors: Rodolfo A. Pazos R., Marco A. Aguirre L., Juan J. González B., José A. Martínez F., Joaquín Pérez O. and Andrés A. Verástegui O.
    Citation: SpringerPlus 2016 5:553
  8. Classification is one of the most important technologies used in data mining. Researchers have recently proposed several classification techniques based on the concept of association rules (also known as CBA-b...

    Authors: Li-Yu Hu, Ya-Han Hu, Chih-Fong Tsai, Jian-Shian Wang and Min-Wei Huang
    Citation: SpringerPlus 2016 5:528
  9. This paper proposes a novel continuous sparse autoencoder (CSAE) which can be used in unsupervised feature learning. The CSAE adds Gaussian stochastic unit into activation function to extract features of nonli...

    Authors: Lukun Wang, Xiaoying Zhao, Jiangnan Pei and Gongyou Tang
    Citation: SpringerPlus 2016 5:448
  10. In this article, we make a comparative study for a new approach compression between discrete cosine transform (DCT) and discrete wavelet transform (DWT). We seek the transform proper to vector quantization to ...

    Authors: Eloundou Pascal Ntsama, Welba Colince and Pierre Ele
    Citation: SpringerPlus 2016 5:444
  11. Enterprise models are created for documenting and communicating the structure and state of Business and Information Technologies elements of an enterprise. After models are completed, they are mainly used to s...

    Authors: Hector Florez, Mario Sánchez and Jorge Villalobos
    Citation: SpringerPlus 2016 5:406
  12. Composite cloud services based on the methodologies of Software as a Service and Service-Oriented Architecture are transforming how people develop and use software. Cloud service providers are confronting the ...

    Authors: Kuo-Chan Huang, Mu-Jung Tsai, Sin-Ji Lu and Chun-Hao Hung
    Citation: SpringerPlus 2016 5:294
  13. Mass-market mobile security threats have increased recently due to the growth of mobile technologies and the popularity of mobile devices. Accordingly, techniques have been introduced for identifying, classif...

    Authors: Jae-wook Jang, Jaesung Yun, Aziz Mohaisen, Jiyoung Woo and Huy Kang Kim
    Citation: SpringerPlus 2016 5:273
  14. Actually, a set of ETL software (Extract, Transform and Load) is available to constitute a major investment market. Each ETL uses its own techniques for extracting, transforming and loading data into data ware...

    Authors: Mohamed Hanine, Omar Boutkhoum, Abdessadek Tikniouine and Tarik Agouti
    Citation: SpringerPlus 2016 5:263
  15. Feature selection has a direct impact on text categorization. Most existing algorithms are based on document level, and they haven’t considered the influence of term frequency on text categorization. Based on ...

    Authors: Hongfang Zhou, Jie Guo and Yinghui Wang
    Citation: SpringerPlus 2016 5:249
  16. The evaluation and selection of inappropriate open source software in learning management system (OSS-LMS) packages adversely affect the business processes and functions of an organization. Thus, comprehensiv...

    Authors: Belal Najeh Abdullateef, Nur Fazidah Elias, Hazura Mohamed, A. A. Zaidan and B. B. Zaidan
    Citation: SpringerPlus 2016 5:248