Ownership systems express hierarchical data structures well but can have difficulty expressing relationships between peers. Relationships systems, on the other hand, do not address ownership issues. This paper considers the recent work on relationship systems in the context of ownership, and presents ideas for adding ownership to relationship systems.

Ownership of science learning is defined as learners being able to fully participate in the practicing culture of science, having greater control and possession over the ideas put forth, knowledge developed, and the science learning process. While ownership is beneficial to promoting science engagement, in this study, we show that conflicts in ownership of science learning manifest and can hind...

Auto ownership is a critical mediating link in the connection between the built environment and travel behavior: the built environment presumably influences auto ownership, which in turn impacts travel behavior. However, the way in which individual elements of the built environment affect auto-ownership choices is far from understood. Further, residential self-selection may confound the interac...

The purposeof this studywas to Analyzing factors that effecting on rangeland degradation. Statistical population of this research consisted of whole farmer in Pirtaj district (N= 1600); from that 120 farmer were selected as sample using cluster sampling. The main tool to collect data was a researcher made questionnaire that Content validity of the questionnaire was approved, by a panel of exper...

Managers engage in income smoothing either to communicate private information about future earnings to investors (informativeness hypothesis) or to distort financial performance for opportunistic purposes (opportunism hypothesis). Business cycles and the monitoring role of institutional ownership may affect the earnings informativeness of income smoothing. The purpose of this research is to exa...

This paper investigates the effects of ownership forms and management structure on the performance of airports around the world. Specifically, we focus on measuring and comparing productive efficiency and profitability among airports owned and operated by government departments, 100% government-owned corporations, independent airport authorities, mixed enterprises with government majority owner...