3 papers
cs.DB2026
Selectivity Estimation for Semantic Filters on Image Data
Matthias Urban, Vu Huy Nguyen, Gabriele Sanmartino +2
Semantic data systems integrate Large Language Models (LLMs) and Vision-Language Models (VLMs) directly into database query execution, enabling expressive queries on multi-modal da…
cs.DB2026
The Stretto Execution Engine for LLM-Augmented Data Systems
Gabriele Sanmartino, Matthias Urban, Paolo Papotti +1
LLM-augmented data systems enable semantic querying over structured and unstructured data, but executing queries with LLM-powered operators introduces a fundamental runtime-accurac…
cs.DB2024
Efficient Learned Query Execution over Text and Tables [Technical Report]
Matthias Urban, Carsten Binnig
In this paper, we present ELEET, a novel execution engine that allows one to seamlessly query and process text as a first-class citizen along with tables. To enable such a seamless…