We present a new method for representating the state spaces of hierarchical level of detail descriptions, or scene descriptions with multiple hierarchical levels of detail. This representation, called a level of detail graph, permits the investigation and exploration of the state spaces of non-hierarchical and hierarchical level of detail optimization algorithms. We present algorithms for gener...

The key to achieving universal network scalability is hierarchical organisation, where routing information is aggregated between levels in the hierarchy. This approach can considerably reduce the overheads due to storage, transfer and processing of routing information for large networks. Other benefits include increased security and ease of management of the network. Due to the high routing com...

This paper focuses on hierarchical classification problems where the classes to be predicted are organized in the form of a tree. The standard top-down divide and conquer approach for hierarchical classification consists of building a hierarchy of classifiers where a classifier is built for each internal (non-leaf) node in the class tree. Each classifier discriminates only between its child cla...

In an e ort to improve the overall performance of distributed mesh systems a hierar chical approach of dividing the processing units into logical levels has been proposed The scheme has been tested and shown to achieve substantial performance improvement in many situations This hierarchical con guration divides the mesh into progressively smaller clusters thus allowing for computation to occur ...

Remote Sensing images exhibit an enormous amount of information. In order to extract this information in a robust way and to make it available as efficient indices for query by image content, we present a scheme of hierarchical stochastic description. The different levels in this hierarchy are derived from the different levels of abstraction: image data (0), image features (1), meta features (2...

Selected aspects of Hunt’s (1991) extended multiple-organizational-level leadership model are used in an illustrative analysis of a case narrative emphasizing Roger Smith’s almost decade-long tenure as chair and CEO at General Motors. The illustrative analysis compares and contrasts ways in which grounded theory and mainstream perspectives can be applied to help explain what occurred at various...

[GAEDKE, U. & BARTHELMESS, T. & STRAlLE, D. (1996): Temporal variability of standing stocks of individual species, communities, and the entire plankton in two lakes of different trophic state: empirical evidence for hierarchy theory and emergent properties? Senckenbergiana marit. 27 (3/6): 169-177,2 figs., 3 tabs.; Frankfurt a. M.] Hierarchy theory claims that the structure and function of ecos...