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CIKM
2009
Springer
15 years 4 months ago
Group-by skyline query processing in relational engines
The skyline operator was first proposed in 2001 for retrieving interesting tuples from a dataset. Since then, 100+ skyline-related papers have been published; however, we discove...
Ming-Hay Luk, Man Lung Yiu, Eric Lo
SMC
2010
IEEE
124views Control Systems» more  SMC 2010»
14 years 8 months ago
SoftFacts: A top-k retrieval engine for ontology mediated access to relational databases
—We outline SoftFacts, an ontology mediated top-k information retrieval system over relational databases. An ontology layer is used to define (in terms of a OWL-QL like Semantic...
Umberto Straccia
CAISE
2008
Springer
14 years 11 months ago
Round-Trip Engineering for Maintaining Conceptual-Relational Mappings
Conceptual-relational mappings between conceptual models and relational schemas have been used increasingly to achieve interoperability or overcome impedance mismatch in modern dat...
Yuan An, Xiaohua Hu, Il-Yeol Song
ESAW
2009
Springer
15 years 4 months ago
Engineering Social Reality with Inheritance Relations
Abstract. In systems based on organisational specifications a reoccurring problem remains to be solved in the disparity between the level actness of the organisational concepts an...
Huib Aldewereld, Sergio Álvarez-Napagao, Fr...
177
Voted
SIGMOD
2007
ACM
120views Database» more  SIGMOD 2007»
15 years 9 months ago
Xpath on steroids: exploiting relational engines for xpath performance
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...
Haris Georgiadis, Vasilis Vassalos