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» Supporting top-k join queries in relational databases
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IDEAS
2010
IEEE
238views Database» more  IDEAS 2010»
14 years 8 months ago
An integrative approach to query optimization in native XML database management systems
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
Andreas M. Weiner, Theo Härder
NGITS
1997
Springer
15 years 1 months ago
Faster Joins, Self Joins and Multi-Way Joins Using Join Indices
We propose a new algorithm, called Stripe-join, for performing a join given a join index. Stripe-join is inspired by an algorithm called \Jive-join" developed by Li and Ross....
Hui Lei, Kenneth A. Ross
SIGMOD
2004
ACM
143views Database» more  SIGMOD 2004»
15 years 9 months ago
Joining Interval Data in Relational Databases
The increasing use of temporal and spatial data in presentday relational systems necessitates an efficient support of joins on interval-valued attributes. Standard join algorithms...
Jost Enderle, Matthias Hampel, Thomas Seidl
DEXA
2006
Springer
151views Database» more  DEXA 2006»
14 years 11 months ago
An Incremental Refining Spatial Join Algorithm for Estimating Query Results in GIS
Geographic information systems (GIS) must support large georeferenced data sets. Due to the size of these data sets finding exact answers to spatial queries can be very time consum...
Wan D. Bae, Shayma Alkobaisi, Scott T. Leutenegger
SIGMOD
2007
ACM
125views Database» more  SIGMOD 2007»
15 years 9 months ago
Optimizing mpf queries: decision support and probabilistic inference
Managing uncertain data using probabilistic frameworks has attracted much interest lately in the database literature, and a central computational challenge is probabilistic infere...
Héctor Corrada Bravo, Raghu Ramakrishnan