LIST OF ACCEPTED PAPERS OF THE IJGUC SPECIAL ISSUE FROM 3PGIC-2008 WORKSHOP PAPERS "Semantic Data Models and Performance Analysis for Grid and P2P systems" [1] Wang et al.: Semantic Enabled Metadata Management in PetaShare [2] Baert et al.: Data Replication Performance Analysis in a Distributed VOD System [3] Tudor et al.: Experiences on Grid Shared Data Programming [4] Gutierrez-Carreon et al.: Automatic composition of Learning Grid Portlets: a comparison of syntactic and semantic approaches [5] Pllana et al.: A Novel Approach for Hybrid Performance Modeling and Prediction of Large-Scale Computing Systems [6] Xuan et al.: Continuous Range Search based on Network Voronoi Diagram