RQL v1.0 download

Please accept our apologies for any cross-postings
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Dear all,
We are pleased to announce the availability of the RQL Interpreter, under
open-source license. The RDF Query Language Interpreter (RQL), v1.0, a
Declarative Language for uniformly querying RDF schemas and resource
descriptions.

You can download it from:
http://139.91.183.30:9090/RDF/RQL/

RQL v1.0 main features
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Supports:
-  XML Schema data types (for filtering literal values)
-  grouping primitives (for constructing nested XML results)
-  aggregate functions (for extracting statistics)
-  recursive traversal of class and property hierarchies (for advanced matchmaking)

Pushes as much as possible query evaluation to the underlying DBMS
-  Benefit from robust SQL3 query engines
-  Extensive use of DB indices

Provides generic RDF/XML result form
-  XSL/XSL processing for customized rendering

Easy to couple with commercial ORDBMSs
-  RDF Querying APIs (SQL3/C++ functions)

Easy to integrate with Web Application Servers
-  C++ or Java drivers to RQL servers

Easy to learn and use
-  One day training


We are looking forward to receiving your comments and suggestions.

Best regards
Grigoris Karvounarakis

Received on Monday, 19 November 2001 07:13:00 UTC