2 papers
cs.DB2025
Query Answering under Volume-Based Diversity Functions
Marcelo Arenas, Timo Camillo Merkl, Reinhard Pichler +1
When query evaluation produces too many tuples, a new approach in query answering is to retrieve a diverse subset of them. The standard approach for measuring the diversity of a se…
cs.DB2024
Towards Tractability of the Diversity of Query Answers: Ultrametrics to the Rescue
Marcelo Arenas, Timo Camillo Merkl, Reinhard Pichler +1
The set of answers to a query may be very large, potentially overwhelming users when presented with the entire set. In such cases, presenting only a small subset of the answers to…