Conceptual Modeling: Foundations and Applications

Volume 5600 of the series Lecture Notes in Computer Science pp 122-138

Data Modeling in Dataspace Support Platforms

  • Anish Das SarmaAffiliated withStanford University
  • , Xin (Luna) DongAffiliated withAT&T Labs-Research
  • , Alon Y. HalevyAffiliated withGoogle Inc.

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Data integration has been an important area of research for several years. However, such systems suffer from one of the main drawbacks of database systems: the need to invest significant modeling effort upfront. Dataspace Support Platforms (DSSP) envision a system that offers useful services on its data without any setup effort, and improve with time in a pay-as-you-go fashion. We argue that in order to support DSSPs, the system needs to model uncertainty at its core. We describe the concepts of probabilistic mediated schemas and probabilistic mappings as enabling concepts for DSSPs.