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» Query reformulation with constraints
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CIKM
2004
Springer
15 years 10 months ago
Evaluating window joins over punctuated streams
We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...
Luping Ding, Elke A. Rundensteiner
ADC
2003
Springer
139views Database» more  ADC 2003»
15 years 9 months ago
Deriving Relation Keys from XML Keys
Much work on XML data was around storage and querying and did not consider constraints of XML, especially keys. Since constraints have been proposed in many papers for XML, much r...
Qing Wang, Hongwei Wu, Jianchang Xiao, Aoying Zhou...
VL
1996
IEEE
162views Visual Languages» more  VL 1996»
15 years 8 months ago
Interactive Authoring of Multimedia Documents
As multimedia applications spread widely, it is crucial for programming and design support systems to handle "time" in multimedia documents effectively and flexibly. This...
Junehwa Song, Michelle Y. Kim, G. Ramalingam, Raym...
ER
2006
Springer
137views Database» more  ER 2006»
15 years 8 months ago
Preference Functional Dependencies for Managing Choices
Abstract. The notion of user preference in database modeling has recently received much attention in advanced applications, such as personalization of e-services, since it captures...
Wilfred Ng
AMW
2009
15 years 5 months ago
Checking Containment of Schema Mappings (Preliminary Report)
In data exchange, data are materialised from a source schema to a target schema, according to suitable source-to-target constraints. Constraints are also expressed on the target sc...
Andrea Calì, Riccardo Torlone