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Olga Kellert

Olga Kellert

Associate Professor,
School of International Letters and Cultures
  • olga.kellert@asu.edu
  • School of International Letters and Cultures Durham Hall 851 S Cady Mall PO Box 870202 Tempe, AZ 85287
  • Campus: Tempe
  • ‌
Biography Research Teaching
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Long Bio

With a PhD in Romance linguistics (Italian, French and Spanish) and a strong background in natural language processing and geospatial analytics, Olga Kellert’s research focuses on using crowdsourced data, NLP, and spatial analysis to answer fundamental linguistic questions and address pressing societal problems.

Education
  • PhD. Freie Universität Berlin, Germany 
  • Habilitation at Georg-August-Universität Göttingen (in Germany, a habilitation serves as a formal qualification needed to become a university professor.)
Google Scholar URL
https://scholar.google.com/citations?user=XLj-Ol4AAAAJ&hl=de
Research Interests

Computational Linguistics, Corpus Linguistics, Digital Humanities, Geolinguistics, Sociolinguistics, Linguistic Theory, Semantics, AI language technology

Research Group

Language in the Information Society 

https://investigacion.udc.es/en/Research/Details/G00079 (from April 2023 to July 2024)

Linguistics in Göttingen and Göttingen Centre for Digital Humanities 

Publications

 

  1. Olga Kellert, Carlos Gómez-Rodríguez, MahmudUz Zaman (2024). Unveiling factors influencing judgment variation in sentiment analysis with natural language processing and statistics. PLoS ONE 19(5): e0304201. doi: https://doi.org/10.1371/journal.pone.0304201 
  2. Carlos Gómez-Rodríguez, Muhammad Imran, David Vilares, Elena Solera & Olga Kellert (2024). Dancing in the syntax forest: fast, accurate and explainable sentiment analysis with SALSA, SEPLN – CEDI 2024. Seminar of the Spanish Society for Natural Language Processing at the 7th Spanish Conference on Informatics, CEUR Workshop Proceedings. A Coruña, Spain, 2024. ISSN 1613-0073
  3. Olga Kellert (2024). Loke in Judeo-Spanish. In Laura Minervini, Frank Savelsberg (Eds.), New Perspectives on Judeo-Spanish and the Linguistic History of the Sephardic Jews. Leiden, Niederlande: Brill, 143–165. doi: https://doi.org/10.1163/9789004685062
  4. Olga Kellert, Mahmud Uz Zaman, Nicholas Hill Matlis, Carlos Gómez-Rodriguez (2023). Experimenting with UD Adaptation of an Unsupervised Rule-based Approach for Sentiment Analysis of Mexican Tourist Texts. CEUR Workshop Proceedings, Vol. 3496, Alvarez-Carmona et al. (Eds.). http://www.grupolys.org/biblioteca/KelZamMatGom2023a.pdf 
  5. Olga Kellert, Mahmud Uz Zaman (2023). Use of NLP in the Context of Belief states of Ethnic Minorities in Latin America. In Manuel Mager et al. (Eds.), Proceedings of the Workshop on Natural Language Processing for Indigenous Languages of the Americas (AmericasNLP). Toronto, Canada: Association for Computational Linguistics, 1–5.
  6. Olga Kellert (2023). Using Geolocated Tweets for Probing Language Geography and Migration. In Sandra Issel-Dombert, Ignacio Andrés Soria, Laura Morgenthaler García (Eds.), Language, migration and multilingualism in the age of digital humanities. Berlin, Boston: De Gruyter, 129–137. doi: 10.1515/9783110746082-007
  7. Olga Kellert (2023). Linguistic variation in Twitter: a case study of Italian loanwords in Spanish of South America. In Natascha Pomino, Eva-Maria Remberger, Julia Zwink (Eds.), From formal linguistic theory to the art of historical editions: The multifaceted dimensions of Romance linguistics. Göttingen: V&R unipress: 347–359.
  8. Olga Kellert (2023). Probing Sociodemographic Influence on Code-Switching and Language Choice in Quebec with Geolocation of Tweets. Frontiers in Psychology, 14, 1137038. doi: 10.3389/fpsyg.2023.1137038
  9. Olga Kellert (2022). ‘Gender Neutral Language in (Greater) Buenos Aires, (Greater) La Plata, and Córdoba: An analysis of social context information using textual and temporal features’, Frontiers in Sociology, 7:805716. doi: 10.3389/fsoCarlos2022.805716
  10. Olga Kellert, Nicholas Hill Matlis (2022). Geolocation of multiple sociolinguistic markers in Buenos Aires. PLoS ONE, 17(9): e0274114.
  11. Olga Kellert, Nicholas Hill Matlis (2022). Social context and user profiles of linguistic variation on a micro scale. Proceedings of the Ninth Workshop on NLP for Similar Languages, Varieties and Dialects, October 16, 2022. ©2022 Association for Computational Linguistics, 14–19. https://aclanthology.org/2022.vardial-1.2.pdf
  12. Olga Kellert, Mahmud Uz Zaman (2022). Using neural topic models to track context shifts of words: a case study of COVID-related terms before and after the lockdown in April 2020, Proceedings of the 3rd Workshop on Computational Approaches to Historical Language Change. Association for Computational Linguistics, 131–139. https://aclanthology.org/2022.lchange1.14.pdf
  13. Olga Kellert (2022). Constructions infinitives françaises non subordonnées exprimant la nécessité déontique. Zeitschrift für französische Sprache und Literatur 132(2), 149–162. doi: 10.25162/ZFSL-2022-0006
  14. Olga Kellert (2021). The Evaluative Meaning of the Indefinite qualunque in (Old) Italian. In Chiara Gianollo et al. (Eds.), Syntax and Semantics: Vol. 44. Determiners and quantifiers: functions, variation, and change. Brill, 246–284.
  15. Olga Kellert (2021). Free Choice Indefinites in Old and Modern Italian. Journal of Historical Syntax 5.9. Special Issue: Proceedings of the 20th Diachronic Generative Syntax (DiGS) Conference. https://ojs.ub.uni-konstanz.de/hs/index.php/hs/article/view/82/39
  16. Olga Kellert (2020). Semantic and Syntactic change of equis in Mexican Spanish. In Remus Gergel, Jonathan Watkins (Eds.), Quantification and scales in change. Berlin: Language Science Press, 131–159.
  17. Olga Kellert (2020). La diacronía del indefinido cualquiera. In Santos Rovira, José María (Eds.), Raíces y horizontes del Español. Perspectivas dialectales, históricas y sociolingüísticas. Lugo: Axac, 57–67.
  18. Olga Kellert (2019). Complementizers in Sardinian wh-exclamatives and clefts. Italian Journal of Linguistics 31(1), 125–148.
  19. Olga Kellert (2018). Questions with definite markers in (Old) Romance, with focus on Old Spanish. Isogloss 4(1), 55–83. doi: 10.5565/rev/isogloss.56
  20. Olga Kellert, Daniele Panizza und Caterina Petrone (2018). On the role of prosody in disambiguating wh-exclamatives and wh-interrogatives in Cosenza Italian. In Ingo Feldhausen, Jan Fliessbach, Maria del Mar Vanrell (Eds.), Methods in prosody: A Romance language perspective. Berlin: Language Science Press, 165–188.
Research Activity

Natural Language Parsing, Sentiment Analysis, Sentiment Dictionaries, Geolinguistics, Social Media

Courses
2025 Spring
Course Number Course Title
SLC 201 Introduction to Linguistics
SLC 304 Digital Humanities Lang Majors
SLV 304 Digital Humanities Lang Majors
SLC 590 Reading and Conference
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