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Towards a formal understanding of object database query languages

Towards a formal understanding of object database query languages

This video was recorded at Solomon seminar. In this seminar I'll cover work I have done whilst in Ljubljana. I've been studying various proposals for query languages for object databases, in particular the language OQL proposed by the ODMG. I've developed a type system and operational semantics for this language, and have proved some correctness properties. There are some interesting complications with this language, which justify the need for formality. I'll cover this material and try to explain the formal techniques that I have used - type systems and operational semantics. (These are dominant themes in programming language research.) This seminar should be interesting to people who use database query languages and are interested in proposals for future-generation databases. I'll try to keep the talk self-contained, so hopefully people wont need to know operational semantics before coming!

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