What we’re about
Data Science Portugal (DSPT) is an informal community of data science enthusiasts created with the purpose of sharing knowledge and experience in the fields of data science, machine learning, artificial intelligence, big data and all related fields. Since September 2016, the Data Science Portugal community is building synergies among data passionate people and bridging many cross domain fields and addressing several data science problems.
By the end of 2019 we counted a total of 70 meetups organized in 5 cities (Porto, Aveiro, Braga, Coimbra and Lisbon) and almost 2200 members registered in the community.
In this year we also organized our second big conference: DSPT Day 2019
In 2020 we’re setting even more challenging objectives, so stay tuned for what’s to come!
Call for proposals: http://bit.ly/DSPTMeetupsCall4Talks
Files: https://github.com/DataSciencePortugal
Slack: http://bit.ly/DSPTInviteSlack
Site: https://www.datascienceportugal.com
Upcoming events (4+)
See all- Complementary items recommendations using a RAG approach | DSPT & Porto Tech HubPorto Innovation Hub, Porto
Hello DSPT community!
Porto Tech Hub is celebrating 10 years! Join us on January 29th at Porto Innovation Hub, and lets celebrate together!We'll have a talk by Tiago Cabo, Data Scientist @ OLX group and José Medeiros, Machine Learning Engineer @ OLX group about an use case of RAG for recommendations.
Don’t miss this opportunity to get to meet the community and deepen your knowledge on the topic.Reserve your spot today, and don’t forget to add the event to your calendar!
=== SCHEDULE ===
The preliminary agenda for the meetup is the following:18:30 - 18:45: Get together.
18:45 - 18:55: Welcome message.
19:00 - 19:40: Talk + Q&A: “Complementary items recommendations using a RAG approach- an OLX use case” by Tiago Cabo, DS @ OLX and José Medeiros, MLE @ OLX group
19:40 - 20:30: Networking.=== Talk Abstract ===
- Complementary items recommendations using a RAG approach- an Olx use case
In this presentation, we will explore a cutting-edge approach to generating complementary recommendations for e-commerce items by leveraging large language models (LLMs) and semantic search. We will outline how LLMs are used to generate candidate recommendations and how semantic search enhances retrieval efficiency. A critical part of our process involved creating an offline dataset to evaluate and select the best embedding models for these tasks, incorporating domain-specific factors such as product categories and user preferences. Additionally, we introduce a reranking mechanism based on location proximity to optimize recommendations for localized contexts. Finally, we will discuss the challenges and strategies for productizing this pipeline, ensuring scalability and maintaining high performance in real-world scenarios.
=== About the speakers ===
- Tiago Cabo DS@OLX group
I graduated in Mechanical Engineering in 2017 and later transitioned into data science. My first significant professional experience was in novelty and anomaly detection, where I specialized in unsupervised learning techniques. I then shifted my focus to recommendation systems, working at Farfetch, where I developed personalized solutions for users. After two years, I joined OLX, where I continue to explore innovative approaches to recommendations, including the integration of LLM agents and advanced recommender systems. Outside of work, I enjoy outdoor activities, reading, and spending quality time with my baby girl.
- José Medeiros MLE@OLX group
I’m José, a Machine Learning Engineer specializing in MLOps. I’m a terrible data scientist and just an OK programmer, but I’ve gotten pretty good at making ML systems actually work… sometimes.I’m also doing a PhD in Psychology, focusing on consumer behavior, while also dabbling in painting to add some color to life.
When I’m not wrangling pipelines or pondering why people buy things they don’t need, you’ll find me outdoors with my kid, proving that work-life balance is achievable— at least until naptime ends. - Data Science Pit Stop @ BragaCafé-Concerto RUM by Mavy, Braga
Grab a drink and take a 15 min break at the Data Science Pit Stop!
Join & leave at any time - Speed Networking Games @18:30, our volunteers will be available from 17:00 to 19:30 at Café Concerto RUM by Mavy, to create a forum where you can get and share ideas, knowledge and experience in topics related to data science technology/market/career development.
- Interested in Data Science? Ask to know more
- Working with Data Science? Gain a second opinion
- Having issues with that model? What if an external point of view could fix it?
Have a chat with Data Science Professionals and ask us anything.
Get an update. - Data Science Pit Stop @ BragaCafé-Concerto RUM by Mavy, Braga
Grab a drink and take a 15 min break at the Data Science Pit Stop!
Join & leave at any time - Speed Networking Games @18:30, our volunteers will be available from 17:00 to 19:30 at Café Concerto RUM by Mavy, to create a forum where you can get and share ideas, knowledge and experience in topics related to data science technology/market/career development.
- Interested in Data Science? Ask to know more
- Working with Data Science? Gain a second opinion
- Having issues with that model? What if an external point of view could fix it?
Have a chat with Data Science Professionals and ask us anything.
Get an update. - Data Science Pit Stop @ BragaCafé-Concerto RUM by Mavy, Braga
Grab a drink and take a 15 min break at the Data Science Pit Stop!
Join & leave at any time - Speed Networking Games @18:30, our volunteers will be available from 17:00 to 19:30 at Café Concerto RUM by Mavy, to create a forum where you can get and share ideas, knowledge and experience in topics related to data science technology/market/career development.
- Interested in Data Science? Ask to know more
- Working with Data Science? Gain a second opinion
- Having issues with that model? What if an external point of view could fix it?
Have a chat with Data Science Professionals and ask us anything.
Get an update.
