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SSDBM
2010
IEEE
133views Database» more  SSDBM 2010»
15 years 4 months ago
PrefIndex: An Efficient Supergraph Containment Search Technique
Graphs are prevailingly used in many applications to model complex data structures. In this paper, we study the problem of supergraph containment search. To avoid the NP-complete s...
Gaoping Zhu, Xuemin Lin, Wenjie Zhang, Wei Wang, H...
EGH
2009
Springer
15 years 4 months ago
Object partitioning considered harmful: space subdivision for BVHs
A major factor for the efficiency of ray tracing is the use of good acceleration structures. Recently, bounding volume hierarchies (BVHs) have become the preferred acceleration st...
Stefan Popov, Iliyan Georgiev, Rossen Dimov, Phili...
ICDE
2009
IEEE
157views Database» more  ICDE 2009»
15 years 4 months ago
Query Rewrites with Views for XML in DB2
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
Parke Godfrey, Jarek Gryz, Andrzej Hoppe, Wenbin M...
IGARSS
2009
15 years 4 months ago
Modeling Surface-flow Characteristics in Glaciated Landscapes
The Prairie Pothole Region (PPR) of the US and Canada is characterized by thousands of shallow, water-filled depressions with sizes ranging from a fraction of a hectare to several...
Janet Gritzner
CORR
2010
Springer
137views Education» more  CORR 2010»
15 years 4 months ago
Comparing Repository Types - Challenges and barriers for subject-based repositories, research repositories, national repository
After two decades of repository development, some conclusions may be drawn as to which type of repository and what kind of service best supports digital scholarly communication, a...
Chris Armbruster, Laurent Romary
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