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ICDT
1995
ACM
96views Database» more  ICDT 1995»
14 years 1 months ago
On Two Forms of Structural Recursion
We investigate and compare two forms of recursion on sets for querying nested collections. The rst one is called sri and it corresponds to sequential processing of data. The second...
Dan Suciu, Limsoon Wong
BIOCOMP
2006
13 years 11 months ago
Mapping Biological XML DTDs Using Ontology
Several biological databases exist which use different formats for storing data. Further, each database has its own schema and a query interface. There exist no standard conversio...
Rana Hashmy
VLDB
1991
ACM
104views Database» more  VLDB 1991»
14 years 1 months ago
A Metadata Approach to Resolving Semantic Conflicts
In this paper we describe a rule-based approach to semantic specification that can be used to establish semantic agreement between a source and receiver. Query processing techniqu...
Michael Siegel, Stuart E. Madnick
VMV
2007
141views Visualization» more  VMV 2007»
13 years 11 months ago
Distance Calculation between a Point and a Subdivision Surface
This article focuses on algorithms for fast computation of the Euclidean distance between a query point and a subdivision surface. The analyzed algorithms include uniform tessella...
Torsten Ullrich, Volker Settgast, Ulrich Krispel, ...
PPDP
2010
Springer
13 years 8 months ago
Graph queries through datalog optimizations
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
K. Tuncay Tekle, Michael Gorbovitski, Yanhong A. L...