The Trid neighbourhood is a three cell neighbourhood on a 2dimensional lattice, and is a subset of the Quad neighbourhood. I show that, with an appropriately prepared initial configuration of “diagonal stripes”, a given elementary CA can be simulated by the two state Trid neighbourhood CA whose local update rule is precisely that of the elementary CA. Thus, invoking Cook’s universality result f...

In today's competitive environment, enterprise business has to adapt the changes driven by the market in order to achieve targeted goals. Information systems are used to manage the enterprise business, and thus adaptation at information system level is very important. It raises the need for architectures and mechanisms that support such adaptation at finer granularity (process activity level). ...

It has been generally recognised that the need to improve the quality of health care has lead to a strong demand for clinical protocols/guidelines supported by computer systems in their creation and execution. How to efficiently and effectively manage, query and manipulate the computerised clinical test protocols has posed a major challenge but received little research attention so far. This pa...

. Although web service has been regarded as a basic technology to support the next generation web, there are some deficiencies in this technology. A challenge to web service is how to compose several web services according to the business requirements. A web service composition framework WASC is proposed in the paper. In the WASC, different plans are defined as ECA rule set in the service agent...

The knowledge organizations have already deployed or are deploying their Knowledge Management systems. And the knowledge service is the key mechanism for knowledge sharing in an organization. There are two mechanisms to implement knowledge service: “Pull” and “Push”. The “Push” mechanism is widely used to push the right knowledge to the right person at the right time actively. At present, the p...

This paper addresses some issues involved in applying the eventcondition-action (ECA) rule paradigm of active databases to policies—collections of general principles specifying the desired behavior of a system. We use a declarative policy description language PDL, in which policies are formulated as sets of ECA rules. The main contribution of the paper is a framework for detecting action confli...

Event-driven reactive functionalities are an urgent need in nowadays distributed service-oriented applications and (Semantic) Web-based environments. An important problem to be addressed is how to correctly and efficiently capture and process the event-based behavioral, reactive logic represented as ECA rules in combination with other conditional decision logic which is represented as derivatio...

This paper details our participation in the Emotion Cause Analysis (ECA), which is a subtask of the NTCIR-13. ECA aims to identify the reasons behind a certain emotion expressed in text. It is a much more difficult task compared with traditional emotion analysis. We consider the task as a slight variation of supervised machine learning classification problems. Inspired by rule-based systems for...

Individual cellular automata rules are attractive models for a range of biological and physical self-assembling systems. While coexpression and coevolution are common in such systems, ensembles of cellular automata rules remain poorly understood. Here we report the first known analysis of the equally weighted ensemble of all elementary cellular automata (ECA) rules. Ensemble dynamics reveal per...

Individual cellular automata rules are attractive models for a range of biological and physical self-assembling systems. While coexpression and coevolution are common in such systems, ensembles of cellular automata rules remain poorly understood. Here we report the first known analysis of the equally weighted ensemble of all elementary cellular automata (ECA) rules. Ensemble dynamics reveal per...