46 citations · 77 across the 5 of their papers we have counts for
5 papers
A declarative approach to data narration
Patrick Marcel, Veronika Peralta, Faten El Outa +1
This vision paper lays the preliminary foundations for Data Narrative Management Systems (DNMS), systems that enable the storage, sharing, and manipulation of data narratives. We m…
Cube Interestingness: Novelty, Relevance, Peculiarity and Surprise
Dimos Gkitsakis, Spyridon Kaloudis, Eirini Mouselli +3
In this paper, we discuss methods to assess the interestingness of a query in an environment of data cubes. We assume a hierarchical multidimensional database, storing data cubes a…
A Cube Algebra with Comparative Operations: Containment, Overlap, Distance and Usability
Panos Vassiliadis
In this paper, we provide a comprehensive rigorous modeling for multidimensional spaces with hierarchically structured dimensions in several layers of abstractions and data cubes t…
Beyond Roll-Up's and Drill-Down's: An Intentional Analytics Model to Reinvent OLAP (long-version)
Panos Vassiliadis, Patrick Marcel, Stefano Rizzi
This paper structures a novel vision for OLAP by fundamentally redefining several of the pillars on which OLAP has been based for the last 20 years. We redefine OLAP queries, in or…
An Integration-Oriented Ontology to Govern Evolution in Big Data Ecosystems
Sergi Nadal, Oscar Romero, Alberto Abelló +2
Big Data architectures allow to flexibly store and process heterogeneous data, from multiple sources, in their original format. The structure of those data, commonly supplied by me…