Adaptive neurofuzzy ANFIS modeling of laser surface treatments

This paper introduces a new ANFIS adaptive neurofuzzy inference model for laser surface heat treatments based on the Green’s function. Due to its high versatility, efficiency and low simulation time, this model is suitable not only for the analysis and design of control systems, but also for the development of an expert real time supervision system that would allow detecting and preventing any failure during the treatment

Multi-Party Coordination in the Context of MOWS

Separation of concerns has been presented as a promising tool to tackle the design of complex systems in which cross-cutting properties that do not fit into the scope of a class must be satisfied. In this paper, we show that interactions amongst a number of objects can also be described separately from functionality, which enhances reusability of functional code and interaction patterns. We present our proposal in the context of Multi-Qrganisational Web-Based Systems (MOWS) and also present a framework that provides the infrastructure needed to implement multiparty coordination as an independent aspect

Aspect-oriented interaction in multi-organisational web-based systems

Separation of concerns has been presented as a promising tool to tackle the design of complex systems in which cross-cutting properties that do not fit into the scope of a class must be satisfied. Unfortunately, current proposals assume that objects interact by means of object-oriented method calls, which implies that they embed interactions with others into their functional code. This makes them dependent on this interaction model, and makes it difficult to reuse them in a context in which another interaction model is more suited, e.g., tuple spaces, multiparty meetings, ports, and so forth. In this paper, we show that functionality can be described separately from the interaction model used, which helps enhance reusability of functional code and coordination patterns. Our proposal is innovative in that it is the first that achieves a clear separation between functionality and interaction in an aspect-oriented manner. In order to show that it is feasible, we adapted the multiparty interaction model to the context of multiorganisational web-based systems and developed a class framework to build business objects whose performance rates comparably to handmade implementations; the development time, however, decreases significantly.Comisión Interministerial de Ciencia y Tecnología TIC2000-1106-C02-0

An order-based algorithm for implementing multiparty synchronization

Multiparty interactions are a powerful mechanism for coordinating several entities that need to cooperate in order to achieve a common goal. In this paper, we present an algorithm for implementing them that improves on previous results in that it does not require the whole set of entities or interactions to be known at compile- or run-time, and it can deal with both terminating and non-terminating systems. We also present a comprehensive simulation analysis that shows how sensitive to changes our algorithm is, and compare the results with well-known proposals by other authors. This study proves that our algorithm still performs comparably to other proposals in which the set of entities and interactions is known beforehand, but outperforms them in some situations that are clearly identified. In addition, these results prove that our algorithm can be combined with a technique called synchrony loosening without having an effect on efficiency.Ministerio de Ciencia y Tecnología TIC 2003-02737-C02-0

A Multiparty Coordination Aspect Language

Coordination languages were motivated by an ever-increasing need for producing highly-reusable components, which can be partially achieved by implementing them in a way that is independent of the way they interact. Isolating interaction from computation, persistence and other concerns enhances modularity, thus promoting reusability and understandability. In this paper, we concentrate on a language aimed at describing the simultaneous coordination of a number of entities, which is a problem we are usually faced with when we have to programme bank transfers, purchases with debit cards, auctions, and so on. This language relies on the novel multiparty interaction model

Repairing Syntax Errors in LR Parsers

This article reports on an error-repair algorithm for LR parsers. It locally inserts, deletes or shifts symbols at the positions where errors are detected, thus modifying the right context in order to resume parsing on a valid piece of input. This method improves on others in that it does not require the user to provide additional information about the repair process, it does not require precalculation of auxiliary tables, and it can be easily integrated into existing LR parser generators. A Yacc-based implementation is presented along with some experimental results and comparisons with other well-known methods.Comisión Interministerial de Ciencia y Tecnología TIC 2000–1106–C02–0

An Enablement Detection Algorithm for Open Multiparty Interactions

Coordination axnongst an arbitrary number of entities has become an important issue in recent years m fields such as e-- commerce, web-based applications and so on. Traditionally, classical client/server primitives have been used to implement synchronisation and communication. But. when more than two entities need to coordinate hy means of those primitives, the coordination must be decomposed into a number of client/server hipaxty interactions, leading the programmer to the need of thinking in terms of the protocols needed to achieve properties like livenes, atomicity and so on. In this paper, we present an algorithm to perform enablement detection to implement open multiparty interactions. This primitive provides a high level of abstraction since the programmar can implement multiparty coordination without the need of thinking in terms of protocols

a framework for aspect–oriented multiparty coordination

Separation of concerns has been presented as a promising tool to tackle the design of complex systems in which cross–cutting properties that do no fit into the scope of a class must be satisfied. In this paper, we show that interaction amongst a number of objects can also be described separately from functionality by means of the CAL language, and present a framework that provides the needed infrastructure. It is innovative because it supports open multiparty interactions

An Order-Based, Distributed Algorithm for Implementing Multiparty Interactions

Multiparty interactions have been paid much attention in recent years because they provide the user with a useful mechanism for coordinating a number of entities that need to cooperate in order to achieve a common goal. In this paper, we present an algorithm for implementing them that is based on the idea of locking resources in a given order. It improves on previous results in that it can be used in a context in which the set of participants in an interaction cannot be known at compile time, and setting up communication links amongst interaction managers is costly or completely impossible

An Aspect–Oriented Approach based on Multiparty Interactions to Specifying the Behaviour of a System

Isolating computation and coordination concerns into separate pure computation and pure coordination enhances modularity, understandability and reusability of parallel and/or distributed software. This can be achieved by moving interaction primitives, which are now commonly scattered in programs, into separate modules written in a language aimed at coordinating objects and expressing how information flows among them. The usual model for coordination is the client/server model, but it is not adequate when several objects need to collaborate simultaneously in order to solve a problem because natural multiparty interactions need to be decomposed into a set of low–level, binary interactions. In this paper, we introduce CAL, an IP–based language for the description of the coordination aspect of a system. We show that it can be successfully described in terms of simple multiparty interactions that can be animated and are also amenable to formal reasoning.Comisión Interministerial de Ciencia y Tecnología (CICYT) MENHIR TIC 97–0593–C05–0