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Object Query Language

Known as: OQL 
Object Query Language (OQL) is a query language standard for object-oriented databases modeled after SQL. OQL was developed by the Object Data… 
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EJB QLObject Data Management GroupOdabaPersonal computer

Papers overview

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Highly Cited
2002
Highly Cited
2002
RQL: a declarative query language for RDF
Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces, require the management of large volumes of… 
Highly Cited
2000
Highly Cited
2000
Optimizing object queries using an effective calculus
Object-oriented databases (OODBs) provide powerful data abstractions and modeling facilities, but they generally lack a suitable… 
Highly Cited
2000
Highly Cited
2000
MOQL: A Multimedia Object Query Language
We describe a general multimedia query language, called MOQL, based on ODMG's Object Query Language (OQL). In contrast to… 
Highly Cited
2000
Highly Cited
2000
On wrapping query languages and efficient XML integration
Modern applications (Web portals, digital libraries, etc.) require integrated access to various information sources (from… 
Highly Cited
1999
Highly Cited
1999
Comparative analysis of five XML query languages
XML is becoming the most relevant new standard for data representation and exchange on the WWW. Novel languages for extracting… 
1998
1998
A temporal object query language
One of the main reasons that current commercial DBMSs provide only minimal support for temporal concepts is the size and… 
Highly Cited
1997
Highly Cited
1997
The Lorel query language for semistructured data
Lorel language, designed for querying semistructured data. Semistructured data is becoming more and more prevalent, e.g., in… 
Highly Cited
1997
Highly Cited
1997
Querying documents in object databases
structuring schemas that consist in grammars annotated with database programs. To query documents, we introduce an extension of… 
Highly Cited
1997
Highly Cited
1997
Knowledge-Based Image Retrieval with Spatial and Temporal Constructs
A knowledge-based approach to retrieve medical images by feature and content with spatial and temporal constructs is developed… 
Highly Cited
1995
Highly Cited
1995
Towards an effective calculus for object query languages
We define a standard of effectiveness for a database calculus relative to a query language. Effectiveness judges suitability to… 
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