Valda — Valeur à partir des données
(English) PhD Defense Rehearsal: Shufan Jiang
Désolé, cet article est seulement disponible en Anglais Américain.
Séminaire Valda : Paul Boniol
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…
Séminaire Valda : Dan Suciu
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…
Séminaire Valda : Camille Bourgaux
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…