The paper presents a framework, in which the main concepts of schema and data integration can be specified both semantically and syntactically in an abstract data-model independent way. We first define what are schema matching and integration semantically, in terms of sets of instances and mappings between them. We also define a schema matching and integration syntactically, and introduce a pro...

Data integration systems provide a uniform query interface (UQI) to multiple, autonomous data sources [4]. This paper presents the universal data model (UDM) that captures the semantically salient aspects of relational, entity-relationship, and XML data models. As a consequence, UDM — including its accompanying query language — provides a simple and elegant UQI for integrating data represented ...

Today human resource Strategies are very important for human resource systems. While talking about strategies, integration and coordination is something is much more importance than strategies formulation and implementations. This study presents a model for the strategic development of human resource based on competencies model. In fact, the main question of this research is: What are the affec...

computer-integrated manufacturing (cim), technologies are presented as solutions tomanufacturing organizations, which need to perform well in all customer-related dimensionssimultaneously. in the literature, cim technologies providing such benefits as more frequentproduction changes, reduced inventory level, improved ability of producing complex parts with ahigh degree of accuracy and repeatabi...

in this study, generation of the transient evoked ooacoustic emissions in human ear has been simulated using a new electroacoustic model. the method of state variables was adopted to calculate the auditory model, and numerical integration methods have been used to solve differential equations in matlab. simulation results have been compared with the real data. in this study, latency curves, fre...