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» Constraint Databases: A Survey
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ER
2007
Springer
100views Database» more  ER 2007»
15 years 4 months ago
On Languages for the Specification of Integrity Constraints in Spatial Conceptual Models
This paper intends to classify, review, and compare the existing languages for the specification of spatial integrity constraints at the conceptual level. We classify these languag...
Mehrdad Salehi, Yvan Bédard, Mir Abolfazl M...
VLDB
2000
ACM
130views Database» more  VLDB 2000»
15 years 1 months ago
Mining Frequent Itemsets Using Support Constraints
Interesting patterns often occur at varied levels of support. The classic association mining based on a uniform minimum support, such as Apriori, either misses interesting pattern...
Ke Wang, Yu He, Jiawei Han
DEXA
2009
Springer
109views Database» more  DEXA 2009»
15 years 4 months ago
Inclusion Dependencies in XML: Extending Relational Semantics
In this article we define a new type of integrity constraint in XML, called an XML inclusion constraint (XIND), and show that it extends the semantics of a relational inclusion de...
Michael Karlinger, Millist W. Vincent, Michael Sch...
ER
2010
Springer
168views Database» more  ER 2010»
14 years 8 months ago
Complexity of Reasoning over Temporal Data Models
Abstract. We investigate the computational complexity of reasoning over temporal extensions of conceptual data models. The temporal conceptual models we analyse include the standar...
Alessandro Artale, Roman Kontchakov, Vladislav Ryz...
CINQ
2004
Springer
125views Database» more  CINQ 2004»
15 years 3 months ago
The Hows, Whys, and Whens of Constraints in Itemset and Rule Discovery
Many researchers in our community (this author included) regularly emphasize the role constraints play in improving performance of data-mining algorithms. This emphasis has led to ...
Roberto J. Bayardo