This paper addresses the problem of how to query and update so-called database federations. A database federation provides for tight coupling of a collection of heterogeneous component databases into a global integrated system. This problem of querying and updating a database federation is tackled by describing a logical architecture and a general semantic framework for precise specification of...

The purpose of this study was to investigate the relationship between leadership behaviour and performance selected Ethiopian sports federations. researcher used a mixed-methods sequential explanatory design. population from sport federations employee aimed fill questionnaire (N = 126) using availability sampling technique. Leaders both federation for interview 6) snowball quantitative data ana...

Sports disciplinary proceeding is the judgment process brought to agenda with decisions taken by authorized committees as a result of violation sports discipline rules. Since rules each sport are different, actions that constitute violations and penalties related them may vary. In this research, using document analysis method qualitative research methods, Turkish Athletics, Basketball Volleybal...

Teaming a strong preschool with less-developed, rural, or newly established preschools is an effective strategy to promote quality. Since 2015, Shanghai has sought improve education quality through collaboration. Guided by the “3A2S” theoretical framework, this study evaluated development and effectiveness of federations in city using mixed-methods approach. First, document analysis was conduct...

the aim of this research was to investigate the relationship between innovation and entrepreneurship in five successful and five unsuccessful sport federations. the research method was descriptive and correlation. the statistical population consisted of 5 managers and 3 experts from each federation (overall 80 subjects). to analyze the data, the pearson correlation coefficient was applied. inno...

The High Level Architecture (HLA) defines a federation as a group of simulators. The HLA does not define relations between federations. This makes any complicated structure of a system flat. The absence of hierarchy may bring several issues related to data exchange, security and reusability. The paper proposes the Hierarchical HLA that defines hierarchical relationship between federations. The ...

In order to assist in the discovery and access of learning content from the diverse, extant collection of content repositories, we are developing a reference model that describes how to build an interoperable repository infrastructure through the creation of federations of repositories. Such federations provide a single point of discovery and access. They collect the metadata from the contribut...