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» Supporting Queries with Imprecise Constraints
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ER
2007
Springer
163views Database» more  ER 2007»
14 years 1 months ago
Know your Limits: Enhanced XML Modeling with Cardinality Constraints
XML Schema supports the specification of occurrence constraints by declaring values for its min/maxOccurs attributes. These constraints are structural in the sense that they rest...
Sebastian Link, Thu Trinh
ICDE
2006
IEEE
146views Database» more  ICDE 2006»
14 years 1 months ago
Model Video Semantics with Constraints Considering Temporal Structure and Typed Events
The advances of video technology and video-related applications demand appropriate video semantic models for representing video data and their semantics, and supporting powerful s...
Yu Wang, Lizhu Zhou, Jianyong Wang
CDB
2004
Springer
158views Database» more  CDB 2004»
13 years 11 months ago
Constraint Databases, Data Structures and Efficient Query Evaluation
Abstract. Constraint databases that can be described by boolean combinations of polynomial inequalities over the reals have received ample research attention. In particular, the ex...
Joos Heintz, Bart Kuijpers
AICOM
2004
100views more  AICOM 2004»
13 years 7 months ago
Query rewriting with symmetric constraints
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...
Christoph Koch
SIGMOD
2006
ACM
156views Database» more  SIGMOD 2006»
14 years 7 months ago
MauveDB: supporting model-based user views in database systems
Real-world data -- especially when generated by distributed measurement infrastructures such as sensor networks -- tends to be incomplete, imprecise, and erroneous, making it impo...
Amol Deshpande, Samuel Madden