Observatorio de I+D+i UPM

Memorias de investigación
An Overview of the Ciao System
Áreas de investigación
  • Lenguaje de programación
Ciao is a logic-based, multi-paradigm programming system. One of its most distinguishing features is that it supports a large number of semantic and syntactic language features which can be selectively activated or deactivated for each program module. As a result, a module can be written in, for example, ISO-Prolog plus constraints and higher order, while another can be a pure logic module with a different control rule such as iterative deepening and/or tabling, and perhaps using constructive negation. A powerful and modular extension mechanism allows user-level design and implementation of such features and sub-languages. Another distinguishing feature of Ciao is its powerful assertion language, which allows expressing many kinds of program properties (ranging from, e.g., moded types to resource consumption), as well as tests and documentation. The compiler is capable of statically finding violations of these properties or verifying that programs comply with them, and issuing certificates of this compliance. The compiler also performs many types of optimizations, including automatic parallelization. It offers very competitive performance, while retaining the flexibility and interactive development of a dynamic language. We will present a hands-on overview of the system, through small examples which emphasize the novel aspects and the motivations which lie behind Ciao?s design and implementation.
Entidad relacionada
The 5th International Symposium on Rules: Research Based and Industry Focused
Nacionalidad Entidad
Lugar del congreso
Barcelona, Spain
Esta actividad pertenece a memorias de investigación
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Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Grupo de Investigación: Computación lógica, Lenguajes, Implementación y Paralelismo (CLIP)
  • Departamento: Inteligencia Artificial
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