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GEOS
2009
Springer
15 years 8 months ago
SPARQL Query Re-writing Using Partonomy Based Transformation Rules
Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
Prateek Jain, Peter Z. Yeh, Kunal Verma, Cory A. H...
COCOON
2001
Springer
15 years 8 months ago
PC-Trees vs. PQ-Trees
A data structure called PC-tree is introduced as a generalization of PQ-trees. PC-trees were originally introduced in a planarity test of Shih and Hsu [7] where they represent par...
Wen-Lian Hsu
ESA
2001
Springer
75views Algorithms» more  ESA 2001»
15 years 8 months ago
Strongly Competitive Algorithms for Caching with Pipelined Prefetching
Suppose that a program makes a sequence of m accesses (references) to data blocks, the cache can hold k < m blocks, an access to a block in the cache incurs one time unit, and ...
Alexander Gaysinsky, Alon Itai, Hadas Shachnai
PCI
2001
Springer
15 years 8 months ago
A Knowledge Based Approach on Educational Metadata Use
One of the most rapidly evolving e-services is e-Learning, that is, the creation of advanced educational resources that are accessible on-line and, potentially, offer numerous adva...
Fotis Kokkoras, Demetrios G. Sampson, Ioannis P. V...
DATE
2000
IEEE
94views Hardware» more  DATE 2000»
15 years 8 months ago
Shared Memory Implementations of Synchronous Dataflow Specifications
There has been a proliferation of block-diagram environments for specifying and prototyping DSP systems. These include tools from academia like Ptolemy [3], and GRAPE [7], and com...
Praveen K. Murthy, Shuvra S. Bhattacharyya