Access control languages which support administrative controls, and thus allow the ordinary permissions of a system to change, have traditionally been constructed with first order predicate logic or graph rewriting rules. We introduce a new access control model to implement administrative controls directly in terms of the security properties—we call this Security Property Based Administrative C...

There is increasing interest in the use of administrative data in health services and clinical research. Administrative data are routinely collected during clinic, hospital, laboratory, or pharmacy visits for administrative purposes.1 Administrative databases provide easy and cheap access to large numbers of patients over expansive geographic regions. Although these databases were initially des...

in the urban history of iran, “mashroote” era (the constitutional revolution) is considered as a turning point. in this period, the government had an organized and purposeful interference in the urban development of the country. another organized interference of the government, happened in 1960s. the effects of these movements were very significant in the growth of urban patterns and in the urb...

This chapter reports our knowledge about the analysis and recognition of scanned administrative documents. Regarding essentially the administrative paper flow with new and continuous arrivals, all the conventional techniques reserved to static databases modeling and recognition are doomed to failure. For this purpose, a new technique based on the experience was investigated giving very promisin...

We abstracted the records of patients from general surgeons' offices in Winnipeg to compare waiting times from charts (i.e., the gold standard) with waiting times using administrative data. The administrative data method relies on physicians' billing data to identify a visit to the surgeon preoperatively to mark the start of the waiting time. There was no difference between waiting times using ...

This paper explores the impact of a variety of contextual factors on the diffusion of six administrative innovations. The paper explores the level importance of 13 contextual factors on decisions(s) to implement (or not) administrative changes. It also examines the level of association between contextual factors and the diffusion of six administrative innovations, finding that the several conte...

BACKGROUND/AIMS The reliability of diagnostic coding of acute stroke and transient ischemic attack (TIA) in administrative data is uncertain. The purpose of this study is to determine the agreement between administrative data sources and chart audit for the identification of stroke type, stroke risk factors, and the use of hospital-based diagnostic procedures in patients with stroke or TIA. M...