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» An Effective SPARQL Support over Relational Databases
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WWW
2007
ACM
14 years 9 months ago
Extraction and classification of dense communities in the web
The World Wide Web (WWW) is rapidly becoming important for society as a medium for sharing data, information and services, and there is a growing interest in tools for understandi...
Yon Dourisboure, Filippo Geraci, Marco Pellegrini
SIGMOD
2008
ACM
139views Database» more  SIGMOD 2008»
14 years 8 months ago
SQAK: doing more with keywords
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
Sandeep Tata, Guy M. Lohman
SIGMOD
2010
ACM
364views Database» more  SIGMOD 2010»
14 years 1 months ago
Optimizing schema-last tuple-store queries in graphd
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
Scott M. Meyer, Jutta Degener, John Giannandrea, B...
CAISE
2003
Springer
14 years 1 months ago
Introducing Custom Language Extensions to SQL: 1999
Abstract. Even though SQL has become widely accepted as a language for implementing relational database schemas and querying data, there are cases where s experience the need for n...
Jernej Kovse, Wolfgang Mahnke
VLDB
2007
ACM
108views Database» more  VLDB 2007»
14 years 9 months ago
Update Exchange with Mappings and Provenance
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
Todd J. Green, Grigoris Karvounarakis, Zachary G. ...