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» Query Optimization by Stored Queries
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WIDM
2004
ACM
16 years 3 days ago
A comprehensive solution to the XML-to-relational mapping problem
The use of relational database management systems (RDBMSs) to store and query XML data has attracted considerable interest with a view to leveraging their powerful and reliable da...
Sihem Amer-Yahia, Fang Du, Juliana Freire
SIGMOD
1998
ACM
142views Database» more  SIGMOD 1998»
15 years 11 months ago
Dimensionality Reduction for Similarity Searching in Dynamic Databases
Databases are increasingly being used to store multi-media objects such as maps, images, audio and video. Storage and retrieval of these objects is accomplished using multi-dimens...
Kothuri Venkata Ravi Kanth, Divyakant Agrawal, Amb...
CIKM
2008
Springer
15 years 8 months ago
Towards privacy-preserving integration of distributed heterogeneous data
More and more applications rely heavily on large amounts of data in the distributed storages collected over time or produced by large scale scientific experiments or simulations. ...
Pawel Jurczyk, Li Xiong
CIKM
2008
Springer
15 years 8 months ago
TinyLex: static n-gram index pruning with perfect recall
Inverted indexes using sequences of characters (n-grams) as terms provide an error-resilient and language-independent way to query for arbitrary substrings and perform approximate...
Derrick Coetzee
ICDE
2005
IEEE
113views Database» more  ICDE 2005»
16 years 8 months ago
On the Optimal Ordering of Maps and Selections under Factorization
The query optimizer of a database system is confronted with two aspects when handling user-defined functions (UDFs) in query predicates: the vast differences in evaluation costs b...
Thomas Neumann, Sven Helmer, Guido Moerkotte