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» Constraint Databases: A Survey
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DEXAW
2006
IEEE
127views Database» more  DEXAW 2006»
15 years 4 months ago
History Checking of XML Data Streams
Besides being adopted as the new general data representation format for the Internet, XML is finding increasing acceptance as a native data exchange language. In order to fully e...
Alessandro Campi, Paola Spoletini
DASFAA
2010
IEEE
232views Database» more  DASFAA 2010»
15 years 2 months ago
Mining Rare Association Rules in the Datasets with Widely Varying Items' Frequencies
Rare association rule is an association rule consisting of rare items. It is difficult to mine rare association rules with a single minimum support (minsup) constraint because low ...
R. Uday Kiran, P. Krishna Reddy
VLDB
1998
ACM
120views Database» more  VLDB 1998»
15 years 2 months ago
Algorithms for Querying by Spatial Structure
: Structural queries constitute a special form of content-basedretrieval where the user specifiesa set of spatial constraints among query variables and asks for all configurations ...
Dimitris Papadias, Nikos Mamoulis, Vasilis Delis
DBPL
2007
Springer
101views Database» more  DBPL 2007»
15 years 2 months ago
Efficient Inclusion for a Class of XML Types with Interleaving and Counting
Inclusion between XML types is important but expensive, and is much more expensive when unordered types are considered. We prove here that inclusion for XML types with interleavin...
Giorgio Ghelli, Dario Colazzo, Carlo Sartiani
CASCON
2004
108views Education» more  CASCON 2004»
14 years 11 months ago
Consistent query answering under inclusion dependencies
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
Loreto Bravo, Leopoldo E. Bertossi