gmail
Twitter/X -> @elunca
Presentation slides, papers and code in Github
Short bio
Experienced applied researcher manager and individual contributor in the areas of information retrieval, NLP, knowledge graphs, labeling, and evaluation/training sets. Drove many 0-to-1 projects to completion. Hands on. More details and work history on LinkedIn. Scientific Co-Chair for SIGIR 2025.
Books
- O. Alonso and R. Baeza-Yates (Editors). Information Retrieval: Advanced Topics and Techniques. ACM Books, 2024.
- O. Alonso. The Practice of Crowdsourcing. Springer, 2019.
Past teaching
- Special Topics in IR and NLP (CS7209), Northeastern
- Information Retrieval (CS6200), Northeastern
Recent tutorials
- Knowledge Graphs Data Quality at Scale: Challenges, Solutions, and Applications, CIKM 2026
- Temporal Information Retrieval and Extraction: From Foundations to RAG, SIGIR 2026 (Slides)
- Some Useful Things to Know When Combining IR and NLP: The Easy, the Hard and the Ugly, WSDM 2024, CIKM 2023 (Slides)
Conferences and workshops
- TempWeb provides a forum for researchers and practitioners from diverse fields — including information retrieval, web mining, big data, and even social sciences, marketing, and economics — to share work on temporal analytics of the web.
- Started DESIRES (Design of Experimental Search & Information REtrieval Systems) conference for discussing visionary ideas in search and retrieval systems. Next edition in 2027.
Publications