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11 papers · 1 filter
Complexity of conjunctive regular path query homomorphisms
Laurent Beaudou, Florent Foucaud, Florent R. Madelaine +2
A graph database is a digraph whose arcs are labeled with symbols from a fixed alphabet. A regular graph pattern (RGP) is a digraph whose edges are labeled with regular expressions…
On-demand Relational Concept Analysis
Alexandre Bazin, Jessie Carbonnel, Marianne Huchard +1
Formal Concept Analysis and its associated conceptual structures have been used to support exploratory search through conceptual navigation. Relational Concept Analysis (RCA) is an…
Interest-Driven Discovery of Local Process Models
Niek Tax, Benjamin Dalmas, Natalia Sidorova +2
Local Process Models (LPM) describe structured fragments of process behavior occurring in the context of less structured business processes. Traditional LPM discovery aims to gener…
Cost Models for Selecting Materialized Views in Public Clouds
Romain Perriot, Jérémy Pfeifer, Laurent D 'Orazio +3
Data warehouse performance is usually achieved through physical data structures such as indexes or materialized views. In this context, cost models can help select a relevant set o…
Benchmarking OODBs with a Generic Tool
Jérôme Darmont, Michel Schneider
We present in this paper a generic object-oriented benchmark (OCB: the Object Clustering Benchmark) that has been designed to evaluate the performances of Object-Oriented Data-base…
Towards an Efficient Discovery of the Topological Representative Subgraphs
Wajdi Dhifli, Mohamed Moussaoui, Rabie Saidi +1
With the emergence of graph databases, the task of frequent subgraph discovery has been extensively addressed. Although the proposed approaches in the literature have made this tas…