activity
20182022
most citedAn Integration-Oriented Ontology to Govern Evolution in Big Data Ecosystems

46 citations · 72 across the 6 of their papers we have counts for

collaborators

6 papers

cs.DB2022★ 2 cited

Eris: Measuring discord among multidimensional data sources

Alberto Abello, James Cheney

Data integration is a classical problem in databases, typically decomposed into schema matching, entity matching and data fusion. To solve the latter, it is mostly assumed that gro…

cs.DC2021

MEDAL: An AI-driven Data Fabric Concept for Elastic Cloud-to-Edge Intelligence

Vasileios Theodorou, Ilias Gerostathopoulos, Iyad Alshabani +2

Current Cloud solutions for Edge Computing are inefficient for data-centric applications, as they focus on the IaaS/PaaS level and they miss the data modeling and operations perspe…

cs.DC2018★ 3 cited

A Cost-based Storage Format Selector for Materialization in Big Data Frameworks

Rana Faisal Munir, Alberto Abelló, Oscar Romero +2

Modern big data frameworks (such as Hadoop and Spark) allow multiple users to do large-scale analysis simultaneously. Typically, users deploy Data-Intensive Workflows (DIWs) for th…

cs.CE2018★ 3 cited

Day-ahead Trading of Aggregated Energy Flexibility - Full Version

Emmanouil Valsomatzis, Torben Bach Pedersen, Alberto Abello

Flexibility of small loads, in particular from Electric Vehicles (EVs), has recently attracted a lot of interest due to their possibility of participating in the energy market and…

cs.LG2018★ 18 cited

PRESISTANT: Learning based assistant for data pre-processing

Besim Bilalli, Alberto Abelló, Tomàs Aluja-Banet +1

Data pre-processing is one of the most time consuming and relevant steps in a data analysis process (e.g., classification task). A given data pre-processing operator (e.g., transfo…

cs.DB2018★ 46 cited

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…