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Browsing Faculty of Science and Engineering by Author "Nikolov, Nikola S."

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Browsing Faculty of Science and Engineering by Author "Nikolov, Nikola S."

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  • Andreev, Radoslav; Healy, Patrick; Nikolov, Nikola S. (IEEE Computer Society, 2007)
    This paper 1 presents the design and implementation of an Ant Colony Optimization based algorithm for solving the DAG Layering Problem. This algorithm produces compact layerings by minimising their width and height. ...
  • Alakrot, Azalden; Murray, Liam; Nikolov, Nikola S. (Elsevier, 2018)
    Warning: this paper contains a range of words which may cause offence. In recent years, many studies target anti-social behaviour such as offensive language and cyberbullying in online communication. Typically, these ...
  • Tadist, Khawla; Najah, Said; Nikolov, Nikola S.; Mrabti, Fatiha; Zahi, Azeddine (SpringerOpen, 2019)
    In the era of accelerating growth of genomic data, feature-selection techniques are believed to become a game changer that can help substantially reduce the complexity of the data, thus making it easier to analyze and ...
  • Ghassemi Toosi, Farshad; Nikolov, Nikola S.; Eaton, Malachy (Association for Computing Machinery, 2016)
    We report on our findings using a genetic algorithm (GA) as a preprocessing step for force-directed graph drawings to find a smart initial vertex layout (instead of a random initial layout) to decrease the number of edge ...
  • Zhang, Haiyang; Ganchev, Ivan; Nikolov, Nikola S.; Ji, Zhanlin; Ó'Droma, Máirtín (Hindawi Publishing Corporation: Wiley Hindawi Partnership, 2017)
    With the development of ubiquitous computing, recommendation systems have become essential tools in assisting users in discovering services they would find interesting. This process is highly dynamic with an increasing ...
  • Ghassemi Toosi, Farshad (University of Limerick, 2017)
    This thesis presents a new graph drawing approach (the concentric approach) for drawing any undirected graph without taking stress or forces into account, in order to address the trade-off between quality and running ...
  • Alakrot, Azalden; Murray, Liam; Nikolov, Nikola S. (Elsevier, 2018)
    We present the results of predictive modelling for the detection of anti-social behaviour in online communication in Arabic, such as comments which contain obscene or offensive words and phrases. We collected and labelled ...
  • Albalawi, Yahya; Nikolov, Nikola S.; Buckley, Jim (Journal of Medical Internet Research, 2019)
    Background: Social media platforms play a vital role in the dissemination of health information. However, evidence suggests that a high proportion of Twitter posts (ie, tweets) are not necessarily accurate, and many studies ...
  • Zhang, Haiyang; Ganchev, Ivan; Nikolov, Nikola S.; Ó'Droma, Máirtín (IEEE Computer Society, 2019)
    Recommendation systems employed on the Internet aim to serve users by recommending items which will likely be of interest to them. The recommendation problem could be cast as either a rating estimation problem which ...

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