3 papers
cs.DB2026
Structural Indexing of Relational Databases for the Evaluation of Free-Connex Acyclic Conjunctive Queries
Cristian Riveros, Benjamin Scheidt, Nicole Schweikardt
We present an index structure to boost the evaluation of free-connex acyclic conjunctive queries (fc-ACQs) over relational databases. The main ingredient of the index associated wi…
cs.DB2026
A formal query language and automata model for aggregation in complex event recognition
Pierre Bourhis, Cristian Riveros, Amaranta Salas
Complex Event Recognition (CER) systems are used to identify complex patterns in event streams, such as those found in stock markets, sensor networks, and other similar application…
cs.LG2025
Active Learning of Symbolic Automata Over Rational Numbers
Sebastian Hagedorn, Martín Muñoz, Cristian Riveros +1
Automata learning has many applications in artificial intelligence and software engineering. Central to these applications is the algorithm, introduced by Angluin. The …