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SIGMOD
2007
ACM
145views Database» more  SIGMOD 2007»
16 years 5 months ago
Why off-the-shelf RDBMSs are better at XPath than you might expect
To compensate for the inherent impedance mismatch between the relational data model (tables of tuples) and XML (ordered, unranked trees), tree join algorithms have become the prev...
Torsten Grust, Jan Rittinger, Jens Teubner
DBPL
1997
Springer
117views Database» more  DBPL 1997»
15 years 9 months ago
Degrees of Monotonicity of Spatial Transformations
We consider spatial databases that can be defined in terms of polynomial inequalities, and we are interested in monotonic transformations of spatial databases. We investigate a hi...
Bart Kuijpers
VLDB
2002
ACM
110views Database» more  VLDB 2002»
15 years 4 months ago
Extending an ORDBMS: The StateMachine Module
Extensibility is one of the mayor benefits of object-relational database management systems. We have used this system property to implement a StateMachine Module inside an object-...
Wolfgang Mahnke, Christian Mathis, Hans-Peter Stei...
EDBT
2010
ACM
181views Database» more  EDBT 2010»
15 years 3 months ago
Private record matching using differential privacy
Private matching between datasets owned by distinct parties is a challenging problem with several applications. Private matching allows two parties to identify the records that ar...
Ali Inan, Murat Kantarcioglu, Gabriel Ghinita, Eli...
148
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SIGGRAPH
1992
ACM
15 years 9 months ago
Measuring and modeling anisotropic reflection
A new device for measuringthe spatial reflectancedistributionsof surfaces is introduced, along with a new mathematical model of sniaorropic reflectance. The reflectance model pres...
Gregory J. Ward