Research output per year
Research output per year
Personal profile
Contact Details
Telephone: 0121 204 3488
Email: v.pekar@aston.ac.uk
Research Interests
- Predictive Modelling
- Machine Learning
- Natural Language Processing
- Computational Social Sciences
- Social media analysis
Employment
2018-present: Lecturer, Operations and Information Management, Aston Business School, Aston University, Birmingham
2015-2018: Research & Teaching Fellow, Finance Department, Business School, University of Birmingham, Birmingham
2013-2015: Research Fellow, School of Computer Science, University of Birmingham, Birmingham
2012-2013: Chief NLP Engineer, Knowsis Ltd, London
2010-2012: Chief NLP Engineer, Market Sentinel Ltd. London
2008-2010: Language Data Engineer, Academic Division, Oxford University Press, Oxford
2003-2008: Post-Doctoral Researcher. Computational Linguistics Group, School of Humanities, Languages and Social Sciences, University of Wolverhampton
2001-2002: Visiting researcher. Institute of Applied Informatics and Formal Description Methods (AIFB), University of Karlsruhe
PhD Supervision
2008-2012: Co-supervisor of N.Afzal’s PhD thesis “Relations Extraction for an E-Learning system in a Biomedical Domain” (with Prof. R.Mitkov), University of Wolverhampton
Membership of Professional Bodies
2020-present: Fellow of the UK Higher Education Academy, fellowship reference number: PR178668
Fingerprint
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Purchase Intentions on Social Media as Predictors of Consumer Spending
Pekar, V., 1 May 2020, (Accepted/In press) Proceedings of the Fourteenth International AAAI Conference on Web and Social Media. AAAI, Vol. 14. 12 p. (Proceedings of the International AAAI Conference on Web and Social Media; vol. 14).Research output: Chapter in Book/Published conference output › Conference publication
Open AccessFile -
Early detection of heterogeneous disaster events using social media
Pekar, V., Binner, J., Najafi, H., Hale, C. & Schmidt, V., 1 Jan 2020, In: Journal of the Association for Information Science and Technology. 71, 1, p. 43-54 12 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
Environmental, social and governance (ESG) performance of firms in the era of geopolitical conflicts
Saharti, M., Chaudhry, S. M., Pekar, V. & Bajoori, E., Feb 2024, In: Journal of Environmental Management. 351, 119744.Research output: Contribution to journal › Article › peer-review
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Voting intentions on social media and political opinion polls
Pekar, V., Najafi, H., Binner, J. M., Swanson, R., Rickard, C. & Fry, J., 26 Nov 2021, (E-pub ahead of print) In: Government Information Quarterly. 101658.Research output: Contribution to journal › Article › peer-review
Open Access -
Mining for Signals of Future Consumer Expenditure on Twitter and Google Trends
Pekar, V., 7 Sept 2018, Proceedings of 2nd International Conference on Advanced Reserach Methods and Analytics (Internet and Big Data in Economics and Social Sciences). Valencia, Spain, p. 157-165 8 p.Research output: Chapter in Book/Published conference output › Conference publication
Open AccessFile
Activities
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Natural Language Processing and Computational Social Science (Event)
Viktor Pekar (Editorial board member)
15 Sept 2020 → 30 Sept 2020Activity: Peer-review and editorial work types › Editorial activity
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Natural Language Engineering (Journal)
Viktor Pekar (Editorial board member)
1 Jan 2018 → 1 May 2020Activity: Peer-review and editorial work types › Publication peer-review
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Annals of Operations Research (Journal)
Viktor Pekar (Editorial board member)
31 May 2023 → 6 Oct 2023Activity: Peer-review and editorial work types › Editorial activity
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5th International Conference on Advanced Research Methods and Analytics (Event)
Viktor Pekar (Editorial board member)
6 Mar 2023 → 11 Mar 2023Activity: Peer-review and editorial work types › Editorial activity
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The 17th International AAAI Conference on Web and Social Media (Event)
Viktor Pekar (Editorial board member)
28 Jan 2023 → 28 Feb 2023Activity: Peer-review and editorial work types › Editorial activity