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The Stag project currently consists of two perl modules,
both of which are available from
Data::StagThis module is for manipulating data as recursively nested tag/value pairs ( Structured tags or Simple Tree aggreggates). At this time there is only a perl implementation,Stags can easily be represented as XML or as lisp-style S-expressions, or using the Stag native indented text format. They can also be represented in perl using nested arrays. DBIx::DBStagThis module is for conversion between relational representations and hierarchical (Stag) representations. SQL query results are automatically decomposed into the relations and a hierarchical structure is inferred. This modules also allows you to create SQL templates - a powerful way of reusing SQL statements joining multiple tables. |
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A demo of DBStag for mapping query results to hierarchical tag-value data. This interface provides WWW access to a number of bioinformatics databases (Gene Ontology, Ensembl, Chado, BioSQL, GadFly). Templates can be selected, or you can feed in your own SQL. |
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Here you can find the Stag CVS repository, mail lists, etc |
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Brief tutorial on basic DBStag usage for biological databases. (slightly out of date - some aspects of DBStag may have changed) |
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DBStag cookbook - shows how to generate a normalised relational db from an XML source (the CIA world factbook), create your own SQL templates and build a WWW query interface |
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The POD manpage describing SQL templates - a powerful way of reusing complex SQL statements |
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DBStag poster from Genome Informatics 2003 at Cold Spring Harbor Laboratory (large image) |