PeopleofSuperintelligence

Researcher

Arantza Díaz de Ilarraza

Also known as Arantza Díaz de Ilarraza Sánchez, Arantza Diaz de Ilarraza

Arantza Díaz de Ilarraza is a computer scientist whose career connected intelligent tutoring, Basque spelling tools and machine translation. She began lecturing at the Faculty of Informatics in San Sebastián in 1981 and completed a doctorate on natural-language dialogue for an intelligent teaching system in 1990. In 1994, Xuxen, a Basque spelling checker, reached the public through work by the IXA group, UZEI and Hizkia; she was one of the group's early researchers. She supervised a 2007 thesis on Matxin and joined UPV/EHU's doctoral-school leadership team in 2012. As of October 2026, she is retired after serving as a full professor of informatics and a language-processing researcher at EHU.

Works
286
Citations
941
h-index
14
Badges

Publication numbers from OpenAlex, as of 18 October 2026.

Timeline

  1. 1981

    Lecturer in San Sebastián

    She begins lecturing at the Faculty of Informatics in San Sebastián in 1981.

  2. 1990

    A doctorate in dialogue systems

    At the University of the Basque Country, she completes a doctorate in 1990 on natural-language dialogue for an intelligent teaching system.

  3. 1994

    Xuxen reaches Basque users

    In 1994, the IXA group releases Xuxen, a Basque spelling checker it develops with UZEI and Hizkia; she is one of the group's early researchers.

  4. 2007

    Supervising the Matxin thesis

    In 2007, she supervises Aingeru Mayor's thesis on Matxin, a rule-based machine-translation system built from broad-coverage linguistic resources; it becomes the first translator developed for Basque.

  5. 2012

    Joining doctoral-school leadership

    The UPV/EHU doctoral school adds her to its first leadership team in 2012.

  6. As of October 2026

    Retired from EHU

    She is retired after serving as a full professor of informatics and a researcher in language processing at EHU.

Career

  1. 2012–2023University of the Basque CountryLeadership Team Member
  2. From 1981Faculty of InformaticsLecturer
  3. IXA GroupResearcher

Education

  1. 1990University of the Basque CountryDoctorate

From the biography and OpenAlex affiliations (the years of papers that list the organization), so some years are approximate.

Most-cited works

  1. On the creation of a clinical gold standard corpus in Spanish: Mining adverse drug reactions2015 · Journal of Biomedical Informatics · 88 citations
  2. Interpretable deep learning to map diagnostic texts to ICD-10 codes2019 · International Journal of Medical Informatics · 63 citations
  3. A Cascaded Syntactic Analyser for Basque2004 · Lecture notes in computer science · 34 citations
  4. Matxin, an open-source rule-based machine translation system for Basque2011 · Machine Translation · 31 citations
  5. Multi-label clinical document classification: Impact of label-density2019 · Expert Systems with Applications · 30 citations

From OpenAlex, as of 18 October 2026.

  1. The company share of AI researchers’ top papers rose from 3% to 32%Includes University of the Basque Country. We estimate where leading AI researchers worked when their most-cited papers appeared. The company share rose from 3% in 1975–1979 to 32% in 2020–2024.
  2. Google had the most people shaping AI every year from 2014 to 2025Our estimates of which organizations employed the most people shaping AI from 1961 to 2025, with a year-by-year chart.
  3. The United States employs an estimated 53% of people in our data with a known employment countryOur estimates of where AI careers are concentrated now and how countries’ shares of dated positions changed over time.
  4. 46% of living people in our data with known birth and employment countries work outside their birth countryOur estimate of cross-border careers in AI, from country of birth and the country of each current organization.

Colleagues

People with dated positions at the same organization in the same years.

Sources and credits

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  1. Arantza Díaz de Ilarraza Sánchez - Wikipedia en.wikipedia.org. Checked 18 October 2026.
  2. Arantza Diaz de Ilarraza Sánchez - Sistema Vasco de Ciencia research.science.eus. Checked 18 October 2026.
  3. Xuxenek 30 urte - Campusa - EHU ehu.eus. Checked 18 October 2026.
  4. Historia - Escuela de Doctorado - EHU ehu.eus. Checked 18 October 2026.
  5. La Facultad de Informática mira al futuro tras cumplir medio siglo de historia - Campusa - EHU ehu.eus. Checked 18 October 2026.