54 citations · 127 across the 12 of their papers we have counts for
14 papers
A Copernican Revolution in Data
Claudio Gutierrez
Half a century ago, Charles Bachman foresaw the significance and centrality of data in the digital world. In this short paper, we delve into the evolution of these ideas within the…
Querying in the Age of Graph Databases and Knowledge Graphs
Marcelo Arenas, Claudio Gutierrez, Juan F. Sequeda
Graphs have become the best way we know of representing knowledge. The computing community has investigated and developed the support for managing graphs by means of digital techno…
The Problem of Correlation and Substitution in SPARQL -- Extended Version
Daniel Hernández, Claudio Gutierrez, Renzo Angles
Implementations of a standard language are expected to give same outputs to identical queries. In this paper we study why different implementations of SPARQL (Fuseki, Virtuoso, Bla…
An introduction to Graph Data Management
Renzo Angles, Claudio Gutierrez
A graph database is a database where the data structures for the schema and/or instances are modeled as a (labeled)(directed) graph or generalizations of it, and where querying is…
Organic Visualization of Document Evolution
Ignacio Perez-Messina, Claudio Gutierrez, Eduardo Graells-Garrido
Recent availability of data of writing processes at keystroke-granularity has enabled research on the evolution of document writing. A natural step is to develop systems that can a…
G-CORE: A Core for Future Graph Query Languages
Renzo Angles, Marcelo Arenas, Pablo Barceló +9
We report on a community effort between industry and academia to shape the future of graph query languages. We argue that existing graph database management systems should consider…