Towards an ODMG-Compliant Visual Object Query Language

Wedescribethedesign,implementationanduser evaluationof QUIVER,agraph-basedvisualquery languageforobjectdatabases.Thedesigngoalsof QUIVERincludecomplianceto standards,comprehensiverepresentationalpower,andconsistency of visualrepresentation.Complianceto standards is achievedthroughQUIVERqueriesbeingtranslatedto OQL, the standardquerylanguageproposedby the ObjectData ManagementGroup (ODMG).Comprehensiverepresentationalpower isgainedbyQUIVERsupportingasignificantnumber of objectdatabaseconstructs,includingobjects,literals,attributes,relationships,structures, collections,operations,(aggregate)functions,and subqueries.Consistencyof visualrepresentation is pursuedby assigningsimilarvisualrepresentationsto constructswith similarfunctionality,as well asby minimisingtheuseof text in QUIVER queries.Thelanguageis implementedasavisual front-endto the 02 objectdatabasesystem.Resultsof auserevaluationsuggestthatuserstid it easiertoformulatecorrectqueriesin QUIVERthan in OQL.

• Type: Conference
• Year: 1997
• Where: VLDB
• Authors: Manoj Chavda, Peter T. Wood
• Keywords: Achievedthroughquiverqueriesbeingtranslatedto Oql, Agraph-basedvisualquery Languageforobjectdatabases.Thedesigngoalsof, Database, Evaluationof Quiver, VLDB 1997