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GEOS
2009
Springer
15 years 10 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 10 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 10 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 10 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 10 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