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» Repairing Structurally Complex Data
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PODS
2010
ACM
213views Database» more  PODS 2010»
15 years 5 months ago
Expressive languages for path queries over graph-structured data
For many problems arising in the setting of graph querying (such as finding semantic associations in RDF graphs, exact and approximate pattern matching, sequence alignment, etc.)...
Pablo Barceló, Carlos A. Hurtado, Leonid Li...
91
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SC
2005
ACM
15 years 6 months ago
Optimized Data Loading for a Multi-Terabyte Sky Survey Repository
Advanced instruments in a variety of scientific domains are collecting massive amounts of data that must be postprocessed and organized to support research activities. Astronomers...
Y. Dora Cai, Ruth A. Aydt, Robert Brunner
176
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SIGMOD
2005
ACM
107views Database» more  SIGMOD 2005»
16 years 25 days ago
A notation and system for expressing and executing cleanly typed workflows on messy scientific data
The description, composition, and execution of even logically simple scientific workflows are often complicated by the need to deal with "messy" issues like heterogeneou...
Yong Zhao, James E. Dobson, Ian T. Foster, Luc Mor...
CGF
2008
141views more  CGF 2008»
15 years 8 days ago
Accelerating Ray Tracing using Constrained Tetrahedralizations
In this paper we introduce the constrained tetrahedralization as a new acceleration structure for ray tracing. A constrained tetrahedralization of a scene is a tetrahedralization ...
Ares Lagae, Philip Dutré
DBPL
2003
Springer
109views Database» more  DBPL 2003»
15 years 5 months ago
Modelling Dynamic Web Data
We introduce the Xdπ calculus, a peer-to-peer model for reasoning about dynamic web data. Web data is not just stored statically. Rather it is referenced indirectly, for example ...
Philippa Gardner, Sergio Maffeis