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# Add Metadata To The Trait Page (RDF)
Wed 28 Sep 2022 14:49:51 EAT
## Introduction
We are migrating the GN2 relational database to a plain text and RDF database. Matrix-like data (E.g. fetching sample data for a given data) will be stored inside GN.
So far, we are able to convert the sql data to rdf using "dump.scm" defined in:
=> https://github.com/genenetwork/dump-genenetwork-database
## What are we trying to solve?
Data stored in genenetwork resembles a tree. As an example: we have several species; each of these species belong to a group; each group belongs to a "data type"; and each data type belongs to a particular dataset. The first step: capturing - albeit requiring more refinement - this data in RDF has been achieved using the aformentioned scheme script.
The overall goal is to be ablet to:
* Incrementally replace MySQL queries with RDF.
* Annotating existing data with metadata that does not yet exist in GN2.
## Goals
* In the Trait Analysis Page, add extrat metadata for "Group", "Tissue", "Gene Symbol". Possibly, a link to a relevant URL with useful information.
### Non-goals
* Refactoring base classes/sql to solely use RDF.
## Actual Design
* Create endpoints to add extra annotations for Groups, Tissue, Gene Symbol.
* Should this extra data not exist, write a script in Guile to fetch them from wikidata and insert them into RDF as extra nodes.
* Add metadata as links or tooltips to the relevant html section.
## Resources
=> https://www.linkedin.com/pulse/six-secret-sparql-ninja-tricks-kurt-cagle/
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