##### RAFA HARO  
R&D Software Engineer | Information Extraction Expert  
APACHE STANBOL COMMITTER  
APACHE MANIFOLDCF COMMITTER

As a Software Engineer, Rafa has always worked in highly innovative environments, both as a developer and researcher. When he faces a problem, he tries to divide it into two stages: find a state-of-the-art solution and code it.

[Linkedin](https://t.co/H85C4Bwsut?amp=1) [Twitter](https://twitter.com/rafa_haro)

## Biography

Rafa has a bachelor degree in Computer Science Engineering from the University of Seville and a MSc in Linguistic Technologies and Data Mining from UNED.

Ever since he started to work, he has always been very interested in Software Engineering and Development and applied research.

To date, his work has been mainly related to Semantic Technologies, NLP and Machine Learning for Automatic Document Processing, gaining experience with many tools like Lucene, Solr, GATE, OpenNLP, Apache Mahout, WEKA, Scikit-learn, Spark, Hadoop and many others.

### Expertise

- Recommendation Systems
- Natural Language Processing
- Semantic Technologies
- Text Mining

### Research Topics

✓  Semantic Technologies  
✓  Heterogeneous Data Sources Integration  
✓  Opinion Mining  
✓  Machine Learning

## Latest blogpost

[Read More](/content/2025/07/semantic-search-text-to-vector-with-apache-solr.html)  
Alessandro Benedetti  
July 17, 2025

[Read More](/content/2024/06/community-over-code-eu-2024.html)  
Alessandro Benedetti  
June 25, 2024

[Read More](/content/2023/12/hybrid-search-with-apache-solr.html)  
Alessandro Benedetti  
December 12, 2023

## Speaker @

- [**SDMX Global Conference**](/content/2023/10/sease-at-sdmx-global-conference.html)
- [**Community Over Code**](/content/2024/03/sease-at-community-over-code-eu-2024.html)
- **[Berlin Buzzwords](/content/2024/05/sease-at-berlin-buzzwords-2024.html)**
- [**ECIR**](/content/2023/03/sease-at-ecir-2023.html)
- [**Open Source Summit**](/content/2022/11/sease-at-open-source-summit-2022.html)
- [**FOSDEM**](/content/2019/02/sease-at-fosdem-2019.html)

Tagged [bio](/content/tag/bio/index.html)