Welcome to the 3th European Lisp Symposium!
The purpose of the European Lisp Symposium is to provide a forum for the discussion and dissemination of all aspects of design, implementation and application of any of the Lisp dialects. We encourage everyone interested in Lisp to participate.
The European Lisp Symposium 2010 invites high quality papers about novel research results, insights and lessons learned from practical applications, and educational perspectives, all involving Lisp dialects, including Common Lisp, Scheme, Emacs Lisp, AutoLisp, ISLISP, Dylan, Clojure, and so on.
This year's Highlights:
Keynote: Going Meta: Reflections on Lisp, Past and FutureKent Pitman, HyperMeta Inc. Read Bio
Over a period of several decades, I have had the good fortune to witness and influence the design, evolution, standardization and use of quite a number of dialects of Lisp, including MACLISP, T, Scheme, Zetalisp, Common Lisp, and ISLISP. I will offer reflections, from a personal point of view, about what enduring lessons I have learned through this long involvement.
Both the programming world and the real world it serves have changed a lot in that time. Some issues that faced Lisp in the past no longer matter, while others matter more than ever. I'll assess the state of Lisp today, what challenges it faces, what pitfalls it needs to avoid, and what Lisp's role might and should be in the future of languages, of programming, and of humanity.
Keynote: Reading the News with Common LispJason Cornez, RavenPack Read Bio
The financial industry thrives on data: oceans of historical archives and rivers of low-latency, real-time feeds. If you can know more, know sooner,or know differently, then there is the opportunity to exploit this knowledge and make money. Today's automated trading systems consume this data and make unassisted decisions to do just that. But even though almost every trader will tell you that news is an important input into their trading decisions, most automated systems today are completely unaware of the news — some data is missing. What technology is being used to change all this and make news available as analytic data to meet the aggressive demands of the financial industry?
For around seven years now, RavenPack has been using Common Lisp as the core technology to solve problems and create opportunities for the financial industry. We have a revenue-generating business model where we sell News Analytics — factual and sentiment data extracted from unstructured, textual news. In this talk, I'll describe the RavenPack software architecture with special focus on how Lisp plays a critical role in our technology platform, and hopefully in our success. I hope to touch upon why we at RavenPack love Lisp, some challenges we face when using Lisp, and perhaps even some principles of successful software engineering.
Keynote: Lots of Languages, Tons of TypesMatthias Felleisen Read Bio
Since 1995 my research team (PLT) and I have been working on a language for creating programming languages — small and large. Our code base includes a range of languages, and others contribute additional languages on a regular basis. PLT programmers don't hesitate to pick our lazy dialect to implement one module and to link it to a strict language for another module in the same system. Later they may even migrate one of the modules to the typed variant during some maintenance task.
An expressive macro system is one key to this riches of languages. Starting with the 1986 introduction of hygienic macros, the SCHEME world has worked on turning macros into tools for creating proper abstractions. The first part of my talk will briefly describe this world of modern macros and its key attributes: hygiene, referential transparency, modularity of macros, phase separation, and macro specification.
The second part of my talk will focus on how to equip LISP-like languages with a sound type systems and that will illustrate the second key idea, namely, monitoring the interactions between different languages. Our approach to type systems allows programmers to stick to their favorite LISP idioms. It mostly suffices to annotate functions and structures with type declarations during maintenance work. To ensure the soundness of this information even when higher-order values flow back and forth between typed and untyped modules, module boundaries are automatically equipped with software contracts that enforce type-invariants at all levels.
Demonstration: Explorer Lisp MachineAntónio Leitão
Assembled from parts of two non-functioning relics, this Explorer Lisp Machine is now able to show some old-school functionality. It's going to fullfill every retro/Lisp fan needs!
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