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» Metaprogramming for Relational Databases
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VLDB
2004
ACM
124views Database» more  VLDB 2004»
16 years 5 days ago
Containment of Nested XML Queries
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
Xin Dong, Alon Y. Halevy, Igor Tatarinov
BTW
2003
Springer
92views Database» more  BTW 2003»
16 years 1 days ago
A Logical, Transparent Model for Querying Linked XML Documents
Abstract:The W3C XML Linking Language (XLink) provides a powerful means for interlinking XML documents all over the world. While the effects when browsing through linked XML docume...
Wolfgang May, Dimitrio Malheiro
BTW
2003
Springer
109views Database» more  BTW 2003»
16 years 1 days ago
Transbase: a Leading-edge ROLAP Engine Supporting Multidimensional Indexing and Hierarchy Clustering
: Analysis-oriented database applications, such as data warehousing or customer relationship management, play a crucial role in the database area. In general, the multidimensional ...
Roland Pieringer, Klaus Elhardt, Frank Ramsak, Vol...
PODS
2010
ACM
207views Database» more  PODS 2010»
15 years 12 months ago
Understanding cardinality estimation using entropy maximization
Cardinality estimation is the problem of estimating the number of tuples returned by a query; it is a fundamentally important task in data management, used in query optimization, ...
Christopher Ré, Dan Suciu
SIGMOD
2010
ACM
174views Database» more  SIGMOD 2010»
15 years 11 months ago
Sampling dirty data for matching attributes
We investigate the problem of creating and analyzing samples of relational databases to find relationships between string-valued attributes. Our focus is on identifying attribute...
Henning Köhler, Xiaofang Zhou, Shazia Wasim S...