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Abstract. Advanced non-traditional application domains such as geographic information systems and digital library systems demand advanced data management support. In an effort to cope with this demand, we present the concept of a novel multi-model DBMS architecture which provides evaluation of queries on complexly structured data without sacrificing efficiency. A vital role in this architecture is played by the Moa language featuring a nested relational data model based on XNF 2 , in which we placed renewed interest. Furthermore, extensibility in Moa avoids optimization obstacles due to black-box treatment of ADTs. The combination of a mapping of queries on complexly structured data to an efficient physical algebra expression via a nested relational algebra, extensibility open to optimization, and the consequently better integration of domain-specific algorithms, makes that the Moa system can efficiently handle complex queries from non-traditional application domains.

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Moa and the Multi-model Architecture: A New Perspective on NF2

Keulen

Vonk

Vries

et al. 2003

Lecture Notes in Computer Science

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Moa and the Multi-model Architecture: A New Perspective on NF2

Moa and the Multi-model Architecture: A New Perspective on NF2

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