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OOPSLA Keynote: The Power Of Abstraction
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Summary
In a reprise of her ACM Turing Award lecture, Barbara Liskov discusses the invention of abstract data types, the CLU programming language, clusters, polymorphism, exception handling, iterators, implementation inheritance, type hierarchies, the Liskov Substitution Principle, polymorphism, and future challenges such as new abstractions, parallelism, and the Internet.
Bio
Barbara Liskov is an Institute Professor and head of the Programming Methodology Group. Liskov's research interests lie in programming methodology, programming languages and systems, and distributed computing. Liskov is a member of the National Academy of Engineering, and a fellow of the American Academy of Arts and Sciences, and the Association for Computer Machinery (ACM).
About the conference
Starting in 1986, OOPSLA Conference has proven to be the cradle of many techniques and methodologies that have become mainstream over the years: OOP, Patterns, AOP, XP, Unit Testing, UML, Wiki, and Refactoring. Gaining its prestige with 3 academic tracks, OOPSLA Conference has managed to attract researchers, educators and developers every year. The event is sponsored by ACM.
In a reprise of her ACM Turing Award lecture, Barbara Liskov discusses the invention of abstract data types, the CLU programming language, clusters, polymorphism, exception handling, iterators, implementation inheritance, type hierarchies, the Liskov Substitution Principle, polymorphism, and future challenges such as new abstractions, parallelism, and the Internet.
Bio
Barbara Liskov is an Institute Professor and head of the Programming Methodology Group. Liskov's research interests lie in programming methodology, programming languages and systems, and distributed computing. Liskov is a member of the National Academy of Engineering, and a fellow of the American Academy of Arts and Sciences, and the Association for Computer Machinery (ACM).
About the conference
Starting in 1986, OOPSLA Conference has proven to be the cradle of many techniques and methodologies that have become mainstream over the years: OOP, Patterns, AOP, XP, Unit Testing, UML, Wiki, and Refactoring. Gaining its prestige with 3 academic tracks, OOPSLA Conference has managed to attract researchers, educators and developers every year. The event is sponsored by ACM.
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Great talk ...
by
Bedwyr Humphreys
Posted
Re: Great talk ...
by
Diana Plesa
Posted
Re: Great talk ...
by
Kiran Kumar
Posted
Re: Great talk ...
by
Gordon Milne
Posted
Re: Great talk ...
by
Spooky Sleeper
Posted
Great talk
by
Leandro Coutinho
Posted
Re: Great talk
by
Rhys Parsons
Posted
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Never heard Liskov talk before, great presentation.
Are the slides out of sync for any one else? -
Hello Bedwyr,
I've taken a look at the presentation and there was a small timing error with two of the slides. i have now taken care of it.
Diana (InfoQ) -
The slides are out of sync for most videos on Infoq...but it is not a big problem.
And, yes! Great Presentation! -
Great talk!
"... programs fundamentally have to do with modifying state" I thought it very interesting.
So she prefers static type checking. I really would like to know the benefits of dynamic type checking. This is not clear to me. :( -
Can we download the slides?
Kiran -
I guess one of the benefits of dynamic typing is duck-typing. So, if two abstract data-types (A and B) declare method foo(a:Boolean):Boolean, both A and B can be used as arguments of a function that only require that the data-type implements the method foo. This would be a bit like A and B implementing the same interface, but without explicitly declaring it.
This would be particularly useful if you couldn't change the definition of A and B at compile time, but you wanted to be able to call the same operations on them.
Interestingly, MS have added a dynamic type to C# etc. This is really just a way of avoiding lots of ugly casts when using the introspection interfaces to create objects. -
The slides are available in PPT and PDF formats from her web page at www.pmg.csail.mit.edu/~liskov/
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