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ADBIS
2010
Springer
192views Database» more  ADBIS 2010»
13 years 6 months ago
The Objects Interaction Graticule for Cardinal Direction Querying in Moving Objects Data Warehouses
Cardinal directions have turned out to be very important qualitative spatial relations due to their numerous applications in spatial wayfinding, GIS, qualitative spatial reasoning ...
Ganesh Viswanathan, Markus Schneider
BTW
2009
Springer
132views Database» more  BTW 2009»
13 years 9 months ago
A Bayesian Approach to Estimating the Selectivity of Conjunctive Predicates
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
M. Heimel, Volker Markl, Keshava Murthy
KI
2009
Springer
13 years 11 months ago
Toward Heterogeneous Cardinal Direction Calculus
Cardinal direction relations are binary spatial relations determined under an extrinsically-defined direction system (e.g., north of). We already have point-based and region-based ...
Yohei Kurata, Hui Shi
ICDE
1998
IEEE
124views Database» more  ICDE 1998»
13 years 9 months ago
Compressing Relations and Indexes
We propose a new compression algorithm that is tailored to database applications. It can be applied to a collection of records, and is especially e ective for records with many lo...
Jonathan Goldstein, Raghu Ramakrishnan, Uri Shaft
SAC
2004
ACM
13 years 10 months ago
On using collection for aggregation and association relationships in XML object-relational storage
XML data can be stored in different databases including ObjectRelational Database (ORDB). Using ORDB, we get the benefit of the relational maturity and the richness of OO modeling...
Eric Pardede, J. Wenny Rahayu, David Taniar