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» On keys, foreign keys and nullable attributes in relational ...
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EDBT
2009
ACM
102views Database» more  EDBT 2009»
13 years 11 months ago
On keys, foreign keys and nullable attributes in relational mapping systems
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
Luca Cabibbo
JDCTA
2010
171views more  JDCTA 2010»
12 years 11 months ago
A Complex XML Schema to Map the XML Documents of Distance Education Technical Specifications into Relational Database
To manage the complicated data such as recursive elements, multiply namespaces, repeatable structures, extended elements and attributes in the XML Binding documents of distance ed...
Xin-hua Zhu, Qing-ling Zeng, Qing-hua Cao
SIGMOD
2011
ACM
270views Database» more  SIGMOD 2011»
12 years 7 months ago
Automatic discovery of attributes in relational databases
In this work we design algorithms for clustering relational columns into attributes, i.e., for identifying strong relationships between columns based on the common properties and ...
Meihui Zhang, Marios Hadjieleftheriou, Beng Chin O...
ICDE
2010
IEEE
272views Database» more  ICDE 2010»
14 years 4 months ago
SMARTINT: A System for Answering Queries over Web Databases Using Attribute Dependencies
Many web databases can be seen as providing partial and overlapping information about entities in the world. To answer queries effectively, we need to integrate the information abo...
Ravi Gummadi, Anupam Khulbe, Aravind Kalavagattu, ...
WWW
2010
ACM
13 years 11 months ago
Entity relation discovery from web tables and links
The World-Wide Web consists not only of a huge number of unstructured texts, but also a vast amount of valuable structured data. Web tables [2] are a typical type of structured in...
Cindy Xide Lin, Bo Zhao, Tim Weninger, Jiawei Han,...