Omar Alonso

Contact info

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

1. O. Alonso and R. Baeza-Yates (Editors). Information Retrieval: Advanced Topics and Techniques. ACM Books, 2024.
2. O. Alonso. The Practice of Crowdsourcing. Springer, 2019.

Past teaching

• Special Topics in IR and NLP (CS7209), Northeastern
• Information Retrieval (CS6200), Northeastern

Recent tutorials

• 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

• DBLP
• Google Scholar