World Wide Web Journal - Special issue on XML: principles, tools, and techniques
Proceedings of the third ACM SIGPLAN conference on History of programming languages
Haskell session types with (almost) no class
Proceedings of the first ACM SIGPLAN symposium on Haskell
Connecting resource-constrained robots to knowledge-based systems
MIC '08 Proceedings of the 27th IASTED International Conference on Modelling, Identification and Control
Choreography conformance via synchronizability
Proceedings of the 20th international conference on World wide web
Deciding choreography realizability
POPL '12 Proceedings of the 39th annual ACM SIGPLAN-SIGACT symposium on Principles of programming languages
Synchronizability for verification of asynchronously communicating systems
VMCAI'12 Proceedings of the 13th international conference on Verification, Model Checking, and Abstract Interpretation
Entity Notation: enabling knowledge representations for resource-constrained sensors
Personal and Ubiquitous Computing
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How should Erlang talk to the outside world? --- this question becomes interesting if we want to build distributed applications where Erlang is one of a number of communicating components.We assume these components interact by exchanging messages --- at this level of abstraction, details of programming language, operating system and host architecture are irrelevant. What is important is the ease with which we can construct such systems, and the precision with which we can isolate faulty components in such a system. Also of importance is the efficiency (both in terms of CPU and bandwidth requirements) with which we can send and receive messages in the system.One widely adopted solution to this problem involves the XML family of standards (XML, XML-schemas, SOAP and WSDL) --- we argue that this is inefficient and overly complex and propose basing our system on a simpler binary scheme called UBF (Universal Binary Format). The UBF scheme has the expressive power of the XML set of standards --- but is considerably simpler.UBF has been prototyped in Erlang --- the entire scheme (equivalent in semantic power to the XML series of standards) was implemented in a mere 1100 lines of Erlang. UBF encoding of terms is also shown to be more space efficient than the existing "Erlang term format". For example, UBF encoded parse trees of Erlang programs are on average about 60% of the size of the equivalent ETS format encoding which is used in the open source Erlang distribution.