Transactions on Large-Scale Data- and Knowledge-Centered Systems XXV

1. Front Matter

   Pages I-IX

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2. On Expedited Rating of Data Stores

   • Sumita Barahmand, Shahram Ghandeharizadeh

   Pages 1-32

3. A Theoretical and Experimental Comparison of Filter-Based Equijoins in MapReduce

   • Thuong-Cang Phan, Laurent d’Orazio, Philippe Rigaux

   Pages 33-70

4. A Constraint Optimization Method for Large-Scale Distributed View Selection

   • Imene Mami, Zohra Bellahsene, Remi Coletta

   Pages 71-108

5. On the Selection of SPARQL Endpoints to Efficiently Execute Federated SPARQL Queries

   • Maria-Esther Vidal, Simón Castillo, Maribel Acosta, Gabriela Montoya, Guillermo Palma

   Pages 109-149

6. YAM: A Step Forward for Generating a Dedicated Schema Matcher

   • Fabien Duchateau, Zohra Bellahsene

   Pages 150-185

7. Back Matter

   Pages 187-187

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This, the 25th issue of Transactions on Large-Scale Data- and Knowledge-Centered Systems, contains five fully revised selected papers focusing on data and knowledge management systems. Topics covered include a framework consisting of two heuristics with slightly different characteristics to compute the action rating of data stores, a theoretical and experimental study of filter-based equijoins in a MapReduce environment, a constraint programming approach based on constraint reasoning to study the view selection and data placement problem given a limited amount of resources, a formalization and an approximate algorithm to tackle the problem of source selection and query decomposition in federations of SPARQL endpoints, and a matcher factory enabling the generation of a dedicated schema matcher for a given schema matching scenario.

• big data
• constraint optimization
• data placement problem
• knowledge management
• query processing and optimization
• classification
• cloud computing
• constraint reasoning
• data integration
• data management
• data stores
• distributed data design
• equijoin
• machine learning
• mapreduce
• modeling and management
• schema matching
• SPARQL
• algorithm analysis and problem complexity

• IRIT, Paul Sabatier University, Toulouse, France

  Abdelkader Hameurlain

• FAW, University of Linz, Linz, Austria

  Josef Küng, Roland Wagner

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