Author: Camille Bourgaux

Désolé, cet article est seulement disponible en Anglais Américain.

Lire la suite

Désolé, cet article est seulement disponible en Anglais Américain.

Lire la suite

Désolé, cet article est seulement disponible en Anglais Américain.

Lire la suite

Désolé, cet article est seulement disponible en Anglais Américain.

Lire la suite

Désolé, cet article est seulement disponible en Anglais Américain.

Lire la suite

Désolé, cet article est seulement disponible en Anglais Américain.

Lire la suite

28 novembre 2022, 14:00-15:00. ENS, S16. Detection of Anomalies and Identification of their Precursors in Large Data Series Collections Extensive collections of data series are becoming a reality in many scientific and social domains, such as environmental sciences, astrophysics, neurosciences, and engineering. Informally, a data series is an ordered sequence…

Lire la suite

4 novembre 2022, 10:30-11:30. ENS, S16. Datalog: Optimizations and Extensions Modern data analytics requires iteration, yet relational database engines are mostly optimized for non-recursive queries. SQL supports only a limited form of recursion. A better formalism for recursive queries is datalog, which has some elegant properties (recursion always terminates), and…

Lire la suite

3 juin 2022, 10:30-11:30. ENS, Hauts du DI. Querying inconsistent prioritized data with ORBITS: Algorithms, implementation, and experiments We investigate practical algorithms for inconsistency-tolerant query answering over prioritized knowledge bases, which consist of a logical theory, a set of facts, and a priority relation between conflicting facts. We consider three…

Lire la suite

20 mai 2022, 10:30-11:30. ENS S16. Algorithm for consistent query answering under primary key constraints Databases often have constraints. One of the basic constraints is the « primary key constraint » which states there can be at most one tuple for every primary key. However, these days it is common to have…

Lire la suite