Valda Seminar: Lucas Larroque

4 April 2025, 10:30-11:30. ENS, room S16/FS101 (Aile Rataud, level -1). No Cliques Allowed: The Next Step Towards FUS/FC Conjecture Querying data sometimes calls for a logical layer between the user and the data to address challenges arising from distributed datasets, overly specific vocabulary, or incompleteness. Existential rules form an…

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Valda Seminar: Emmanouil Sylligardos

21 February 2025, 10:30-11:30. ENS, room S16/FS101 (Aile Rataud, level -1). Volume Under the Surface: A New Accuracy Evaluation Measure for Time-Series Anomaly Detection Anomaly detection (AD) is a fundamental task for time-series analytics with important implications for the downstream performance of many applications. In contrast to other domains where…

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Valda Seminar: Pierre Senellart

7 February 2025, 11:00-12:00. ENS, room S16/FS101 (Aile Rataud, level -1). ProvSQL: A General System for Keeping Track of the Provenance and Probability of Data We present the data model, design choices, and performances of ProvSQL, a general and easy-to-deploy provenance tracking and probabilistic database system implemented as a PostgreSQL…

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