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- research-articleMay 2017
Are Ranking Semantics Sensitive to the Notion of Core?
AAMAS '17: Proceedings of the 16th Conference on Autonomous Agents and MultiAgent SystemsPages 943–951In this paper, we study the impact of two notions of core on the output of ranking semantics in logical argumentation frameworks. We consider the existential rules fragment, a language widely used in Semantic Web and Ontology Based Data Access ...
- research-articleMay 2014
Domination in the Probabilistic World: Computing Skylines for Arbitrary Correlations and Ranking Semantics
ACM Transactions on Database Systems (TODS), Volume 39, Issue 2Article No.: 14, Pages 1–45https://doi.org/10.1145/2602135In a probabilistic database, deciding if a tuple u is better than another tuple v has not a univocal solution, rather it depends on the specific Probabilistic Ranking Semantics (PRS) one wants to adopt so as to combine together tuples' scores and ...
- research-articleJuly 2013
The Skyline of a Probabilistic Relation
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 25, Issue 7Pages 1656–1669https://doi.org/10.1109/TKDE.2012.102In a deterministic relation $(R)$, tuple $(u)$ dominates tuple $(v)$ if $(u)$ is no worse than $(v)$ on all the attributes of interest, and better than $(v)$ on at least one attribute. This concept is at the heart of skyline queries, that return the set ...
