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9 papers · 1 filter
RED2Hunt: an Actionable Framework for Cleaning Operational Databases with Surrogate Keys
Mathilde Marcy, Jean-Marc Petit, Vasile-Marian Scuturici +3
Surrogate keys are now extensively utilized by database designers to implement keys in SQL tables. They are straightforward, easy to understand, and enable efficient access, despit…
Dataversifying Natural Sciences: Pioneering a Data Lake Architecture for Curated Data-Centric Experiments in Life \& Earth Sciences
Genoveva Vargas-Solar, Jérôme Darmont, Alejandro Adorjan +6
This vision paper introduces a pioneering data lake architecture designed to meet Life \& Earth sciences' burgeoning data management needs. As the data landscape evolves, the imper…
Work-Efficient Query Evaluation in Constant Time with PRAMs
Jens Keppeler, Thomas Schwentick, Christopher Spinrath
The article studies query evaluation in parallel constant time in the CRCW PRAM model. While it is well-known that all relational algebra queries can be evaluated in constant time…
PG-Schema: Schemas for Property Graphs
Renzo Angles, Angela Bonifati, Stefania Dumbrava +18
Property graphs have reached a high level of maturity, witnessed by multiple robust graph database systems as well as the ongoing ISO standardization effort aiming at creating a ne…
A Reachability Index for Recursive Label-Concatenated Graph Queries
Chao Zhang, Angela Bonifati, Hugo Kapp +2
Reachability queries checking the existence of a path from a source node to a target node are fundamental operators for querying and processing graph data. Current approaches for i…
From Data Harvesting to Querying for Making Urban Territories Smart
Genoveva Vargas-Solar, Ana-Sagrario Castillo-Camporro, José Zechinelli-Martini +1
This chapter provides a summarized, critical and analytical point of view of the data-centric solutions that are currently applied for addressing urban problems in cities. These so…