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» Designing Relational Databases
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AVI
1998
15 years 3 months ago
VisTool: a visual tool for querying relational databases
In this paper we describe VisTool, a prototype tool for querying relational databases by means of the visual query language VISIONARY.
Francesca Benzi, Dario Maio, Stefano Rizzi
126
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PEPM
2009
ACM
15 years 11 months ago
From spreadsheets to relational databases and back
Abstract. This paper presents techniques and tools to transform spreadsheets into relational databases and back. A set of data refinement rules is introduced to map a tabular data...
Jácome Cunha, João Saraiva, Joost Vi...
129
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DEXAW
2007
IEEE
141views Database» more  DEXAW 2007»
15 years 8 months ago
SWARD: Semantic Web Abridged Relational Databases
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...
Johan Petrini, Tore Risch
IAT
2006
IEEE
15 years 8 months ago
Retaining Semantics in Relational Databases by Mapping them to RDF
Across various domains, the relational model for databases is employed extensively for the purpose of storing, managing and retrieving data. The translation, however, of data mode...
Madhav Krishna
CAS
2005
64views more  CAS 2005»
15 years 2 months ago
Estimating Null Values In Relational Database Systems Based On Genetic Algorithms
In this paper, we present a new method to estimate null values in relational database systems based on genetic algorithms. It can tune the membership functions of the linguistic v...
Shyi-Ming Chen, Shih-Wei Lee