Data analysis, data visualization, natural language processing (NLP), artificial intelligence (AI) tools and large language models (LLM) in humanities research, Python, pandas, matplotlib, JavaScript, html, css, sql, usability, prototyping, UX.

Code Projects | github.com/haraldsDev
kwic-notebook – An easy-to-use Google Colab notebook for kwic (keywords in context) search with Graphical User Interface in .txt, .csv, .json files.

DH Podcast
2023–2026: 12 episodes in the Digital Humanities Podcast – discussions on current DH topics with researchers in the field: youtube.com/@digitalhumanitieslv.

Research Projects

2026–2028: ILFA, Latvian Literature as Belonging: Personalities, Poetics, and the Public Sphere (LITBEL). National Research Program. Funded by the Latvian Council of Science. Role: researcher.

2026 January–March: Erasmus+ traineeship at the Athens University of Economics and Business (AUEB), Department of Informatics, postgraduate programme Digital Methods in the Humanities (traineeship supervisor Dr. Agiatis Benardou), including participation in a lecture course on digital infrastructures, cultural heritage digitization, and research uses of VR in the GLAM sector; guest lecture “Life in Digital Humanities”; and hands-on workshop on text analysis using KWIC (Key Word in Context) in Google Colab.

2025 October–December: Erasmus+ traineeship at Lisbon NOVA University DH Lab in the field of spatial humanities, and leading workshops: Introduction to Python Programming for Humanities Research and Critical Use of LLM and AI Tools in Humanities Research.

2023–2026: ILFA, History of Latvia in the 20th–21st Century: Social Morphogenesis, Heritage, and Challenges (2023–2026). National Research Program. Leading partner: University of Latvia Institute of Latvian History. Role: research assistant.

2023–2025: ILFA, National Research Program "Digital Humanities" project "Development of an Open and FAIR-Compliant Digital Humanities Ecosystem in Latvia (DHELI)". Funded by the Latvian Council of Science. Role: research assistant, event coordinator.

2023–2026: ILFA, Language Technology Initiative (leading partner, University of Latvia Faculty of Computing). European Union Recovery and Resilience Facility plan. Role: research assistant.

2022.X–2023.VII: University of Helsinki, Digital Infrastructure Development Project "DARIAH-FI: Network for Data-Intensive Social Science and Humanities Research" (https://www.dariah.fi), research assistant. Duties: exploring the usability of digital humanities (DH) resources, analyzing DH resources developed within the project.

2021–2022: ILFA, "Digital Resources for the Humanities: Integration and Development". National Research Program. Funding: Latvian Council of Science.

2020–2021: ILFA, "Self-Documentation: Innovative Models in the Interpretation and Understanding of Autobiographical Narrative". Latvian Council of Science FLPP program. Role: data analyst.

Publications · Google Scholar · ORCID

2025: The corpus of autobiographical texts (AutoBio) has been prepared and published in noSketchEngine format on the platform: korpuss.lv

2025: Matulis, Haralds. Report on Digital Humanities Research Practices in History. Link to the report PDF (in Latvian).

2025: Reinsone, Sanita, Ilze Ļaksa-Timinska, Haralds Matulis, Elvīra Žvarte. Navigating the Methodological Complexities in Building a Pandemic Diary Corpus. European Journal of Life Writing. DOI: doi.org/10.21827/ejlw.14.42325

2023: Kārkla, Zita, Matulis, Haralds. Creation and Analysis of a Corpus of Short Prose by Latvian Women Writers. Respectus Philologicus, 2023, no. 43 (48), pp. 110–124. DOI: doi.org/10.15388/RESPECTUS.2023.43.48.113 (Scopus)

2022: Reinsone, Sanita, Ļaksa-Timinska, Ilze, Matulis, Haralds. Metadatos balstīta dienasgrāmatu teksta korpusa analīze, Letonica, No. 47, 2022, 70–87. DOI: metadata-based-analysis-of-the-diaries-corpus (Scopus)

2022: Matulis, Haralds, Sanita Reinsone, Ilze Ļaksa-Timinska. Automatic Detection of Dates in the Corpus of Diaries. DHNB 2022, CEUR-WS Proceedings Vol-3232, ed. by Berglund, K., La Mela, M., Zwart, I., 2022, 334–342. CEUR-WS/Vol-3232/paper32 (Scopus)

Conferences

23–27 July 2025: participation in the International Autobiography Association (IABA) European conference "Life Writing and Social Transformations" in Coimbra, Portugal, with the paper "From Private Reflections to Public Records: Computational Analysis of Pandemic Diaries". Co-authors of the paper: Haralds Matulis, Sanita Reinsone, Elvīra Žvarte, Ilze Ļaksa-Timinska.

June 3–6, 2025: SIEF 17. International Conference, Aberdeen, Scotland, United Kingdom. Co-authors: Ilze Ļaksa-Timinska, Sanita Reinsone, Haralds Matulis, Elvīra Žvarte. Paper title: "Archiving the Nonverbal in Pandemic Diaries".

March 3-7, 2025: Participation in the "Digital Humanities in the Nordic and Baltic Countries" conference in Tartu, Estonia, as a co-author with the following presentations: (1) "Crowdsourcing in Archives: A Case Study of the Latvian Pandemic Diaries Project." Authors: Ļaksa-Timinska, Ilze; Matulis, Haralds; Reinsone, Sanita. (2) "Conceptual Challenges in Creating a Corpus of Latvian Music Texts from a Digitized Newspaper Archive." Authors: Eņģelis, Dāvis; Saulespurēns, Valdis; Matulis, Haralds; Baklāne, Anda.

May 27-29, 2024: Participation in the "Digital Humanities in the Nordic and Baltic Countries" conference in Reykjavik, Iceland, with the paper "Representativity, Biases and Choices in Digital Corpora Curation: Latvian Diary Corpus" (authors: Matulis, Haralds, Ilze Ļaksa-Timinska, Elvīra Žvarte).

March 30, 2022: Participation in the University of Latvia conference with the paper "Categorization of Diaries by Length: Number of Years, Entries Count, Entries Length".

March 13-15, 2022: Participation in the "Digital Humanities in the Nordic and Baltic Countries" conference in Uppsala, Sweden, with the paper "Automatic Detection of Dates in the Corpus of Diaries" (authors: Matulis, Haralds, Reinsone, Sanita, Ilze Ļaksa-Timinska). Link to the conference program – the paper presented / article published in Scopus: https://ceur-ws.org/Vol-3232/