منابع مشابه
Controlling Access to RDF Graphs
One of the current barriers towards realizing the huge potential of Future Internet is the protection of sensitive information, i.e., the ability to selectively expose (or hide) information to (from) users depending on their access privileges. Given that RDF has established itself as the de facto standard for data representation over the Web, our work focuses on controlling access to RDF data. ...
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Starting from a new relation between graphs and secret sharing schemes introduced by Xiao, Liu and Zhang, we show a method to construct more general ideal homogeneous access structures. The method has some advantages: it efficiently gives an ideal homogeneous access structure for the desired rank, and some conditions can be imposed (such as forbidden or necessary subsets of players), even if th...
متن کاملAccess Graphs: Another View on Static Access Control for a Better Understanding and Use
Encapsulation and modularity are supported by various static access control mechanisms that manage implementation hiding and define interfaces adapted to different client profiles. Programming languages use a broad range of different mechanisms, that are sometimes confusing and hard to predict when cumulatively applied. Furthermore, understanding and reasoning about access control independently...
متن کاملRelative Interval Analysis of Paging Algorithms on Access Graphs
Access graphs, which have been used previously in connection to competitive analysis and relative worst order analysis to model locality of reference in paging, are considered in connection with relative interval analysis. The algorithms LRU, FIFO, FWF, and FAR are compared using the path, star, and cycle access graphs. In this model, some of the results obtained are not surprising. However, al...
متن کاملUsing Access paths to Guide Inference with Conceptual Graphs
Conceptual Graphs (CGs) are a natural and intuitive notation for expressing rst-order logic statements. However, the task of performing inference with a large-scale CG knowledge base remains largely unexplored. Although basic inference operators are deened for CGs, few methods are available for guiding their application during automated reasoning. Given the expressive power of CGs, this can res...
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ژورنال
عنوان ژورنال: The Journal of Object Technology
سال: 2002
ISSN: 1660-1769
DOI: 10.5381/jot.2002.1.5.a1