Metaheuristics for computing the forwarding index of a graph. - Emely Arráiz; Amadís Martínez; Oscar Meza; Maruja Ortega (Int. Trans. Oper. Res., 2005)

Efficiently Joining Group Patterns in SPARQL Queries. - Maria-Esther Vidal; Edna Ruckhaus; Tomas Lampo; Amadís Martínez; Javier Sierra; Axel Polleres (ESWC (1), 2010)

How to benchmark RDF engines and not die trying. - Tomas Lampo; Amadís Martínez; Edna Ruckhaus; Maria-Esther Vidal (IWEST@ISWC, 2010)

On the Efficiency of Querying and Storing RDF Documents. - Maria-Esther Vidal; Amadís Martínez; Edna Ruckhaus; Tomas Lampo; Javier Sierra (Graph Data Management, 2011)