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SIGMOD
1989
ACM
94views Database» more  SIGMOD 1989»
14 years 25 days ago
Redundancy in Spatial Databases
Spatial objects other than points and boxes can be stored in spatial indexes, but the techniques usually require the use of approximations that can be arbitrarily bad. This leads ...
Jack A. Orenstein
KDD
1998
ACM
148views Data Mining» more  KDD 1998»
14 years 1 months ago
Group Bitmap Index: A Structure for Association Rules Retrieval
Discovery of association rules from large databases of item sets is an important data mining problem. Association rules are usually stored in relational databases for future use i...
Tadeusz Morzy, Maciej Zakrzewicz
ICDE
2010
IEEE
172views Database» more  ICDE 2010»
13 years 9 months ago
On the use of query-driven XML auto-indexing
— Autonomous index management in native XML DBMSs has to address XML’s flexibility and storage mapping features, which provide a rich set of indexing options. Change of worklo...
Karsten Schmidt 0002, Theo Härder
BTW
2005
Springer
108views Database» more  BTW 2005»
14 years 2 months ago
Integrating the Relational Interval Tree into IBM's DB2 Universal Database Server
: User-defined data types such as intervals require specialized access methods to be efficiently searched and queried. As database implementors cannot provide appropriate index str...
Christoph Brochhaus, Jost Enderle, Achim Schlosser...
BTW
2007
Springer
115views Database» more  BTW 2007»
14 years 3 months ago
Hierarchical locking in B-tree indexes
Goetz Graefe