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, social search, NLP, knowledge graphs, data quality, and labeling. Drove many 0-to-1 projects to completion. Hands on. More details and work history on LinkedIn
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)
TempWeb
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. Website.
Publications