Pattie Maes and Daniele Nardi, editors. Meta-level Architecture and Reflection. ELSEVIER SCIENCE PUBLISHERS B.V., 1988.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....mobile code applications. Thus, it does not support the primitive of mobility. However, we can realize mobile code applications by using LEAD and mobile code systems based on Java together. 5. 1 Overview of the DAS Model A software system based on the DAS model forms a metalevel architecture[18]. The meta level consists of descriptions for the control mechanism of dynamic adaptability. The base level consists of primary subject domain codes (including adaptable behavior) in the software system. The core idea is that the invoked procedure is switched to another one dynamically depending ....

Pattie Maes and Daniele Nardi, editors. Meta-level Architecture and Reflection. ELSEVIER SCIENCE PUBLISHERS B.V., 1988.

....to the problem of intention reconsideration in BDI agents. The aim is to develop a rigorous framework for intention reconsideration, that can be applied and used by agents in practical circumstances. Meta level reasoning has of course been a major topic of research in AI for some time, see e.g. [7]) but to the best of our knowledge, we are the first to apply a theoretical model of meta reasoning and meta control to the problem of optimal intention reconsideration. The remainder of this paper is structured as follows. The following subsection provides some basic background information and ....

P. Maes and D. Nardi, editors. Meta-Level Architectures and Reflection. Elsevier Science Publishers B.V.: Amsterdam, The Netherlands, 1988.

....on dynamic adaptability that we can give to the software beforehand. Thus, the mechanism which realizes dynamic adaptability of software must be constructed flexibly, and must be able to adapt itself to the states of runtime environments. We can satisfy the requirement by using reflection [7]. We propose a model of dynamically adaptable software and its description language. The model forms a meta level architecture [7] and the mechanism for dynamic adaptability is based on procedures. It changes procedure invocations dynamically depending on the states of runtime environments, and ....

....of software must be constructed flexibly, and must be able to adapt itself to the states of runtime environments. We can satisfy the requirement by using reflection [7] We propose a model of dynamically adaptable software and its description language. The model forms a meta level architecture [7], and the mechanism for dynamic adaptability is based on procedures. It changes procedure invocations dynamically depending on the states of runtime environments, and realizes the dynamic adaptability in reflective way. To construct the model, we had designed implemented the language LEAD [1] ....

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P. Maes and D. Nardi, editors. Meta-level Architecture and Reflection. ELSEVIER SCIENCE PUBLISHERS B.V., 1988.

....propose a software model and its description language. The dynamically adaptable software model is based on procedures. The dynamically adaptable software can change procedure invocations dynamically depending on the states of the runtime environments. Moreover, it forms a meta level architecture[5]. It consists of the base level and the meta level. The former is the codes for primary subject domain for the software (primary codes) and the latter is the codes for dynamic adaptability (adaptation codes) Our language LEAD is a successor of LEAD[1] which we had designed implemented) with ....

....We can change dynamically the specification of adaptation strategy in the environmental object from users programs. The change of meta level reflects the selection of adaptable methods (namely, the behaviors of the base level s programs) Dynamically adaptable software in LEAD has reflectivity[5] like this. method method method Adaptable Proc 2 method method method Adaptable Proc 1 method method method Adaptable Proc n Environment Object n Adaptable Proc 2 Call Adaptable Proc 1 Call Environment Object 1 Object 1 Creation Strategy 1 Strategy 2 Strategy n Environment ....

P. Maes and D. Nardi, editors. Meta-level Architecture and Reflection. ELSEVIER SCIENCE PUBLISHERS B.V., 1988.

....of LCS s and LIS s. In conjunction with compound object identifiers location transparency is enabled. Meta schema. The conceptual model has to be free of non functional requirements. For orthogonally influencing distribution, a meta schema is introduced, which is modeled as a reflexive system [ Maes, 1988 ] exclusively with the selected abstractions of the object model. To maintain transparency aspects, the meta schema is modeled as a set of vertically partitioned classes for each node of the distributed infrastructure, specialized from a totally horizontally partitioned class with replicated ....

P. Maes. Meta-Level Architectures and Reflection. Elsevier Science Publishers B. V., 1988.

....of LCS s and LIS s. In conjunction with compound object identifiers location transparency is enabled. Meta schema. The conceptual model has to be free of non functional requirements. For orthogonally influencing distribution, a meta schema is introduced, which is modeled as a reflexive system [ Maes, 1988 ] exclusively with the selected abstractions of the object model. To maintain transparency aspects, the meta schema is modeled as a set of vertically partitioned classes for each node of the distributed infrastructure, specialized from a totally horizontally partitioned class with replicated ....

P. Maes. Meta-Level Architectures and Reflection. Elsevier Science Publishers B. V., 1988.

....This layer defines an abstract interface for the communication bus and enables the use of concrete communication solutions by using platform specific bridges. In order to support a flexible integration of different component implementation and communication platforms we use a reflective approach [6] for mapping the component model. With this approach the components and interactors form the base level. In addition there is a meta level containing information about the objects from the base level. This information specifies the structural and behavioural aspects required for relating the base ....

P. Maes. Meta--Level Architectures and Reflection. Elsevier Science Publishers B.V., 1988.

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