better DataArchitectureDiagram.md

DataArchitectureDiagram.md

@@ -7,9 +7,9 @@
 TETHYS collects and manages scanned geological maps, spatial data sets, and other types of research outputs.
 The general guideline for publishing research data <a href="https://tethys.at/docs/HandbuchTethys.pdf#page=12" target="_blank">(manual, p. 11-2)</a> is providing information on how to prepare data sources for deposit (helpful for depositors and repository staff):
 
-- the types of file formats that are acceptable,
+- the types of file formats that are acceptable. All **allowed file fomats** must be enabled by the administrator in the database table **'mime_types'**. Also see <a href="https://gitea.geologie.ac.at/geolba/tethys.backend/wiki/Database#tethys-lookup-tables" target="_blank">(db lookup tables)</a>
 - what kind of data can be included in the research data repository,
-- the file upload limits,
+- the file upload limits (512MB),
 - what CC licenses can be used,
 - the strategy for deleting datasets,
 - how to handle the use of external research data,
@@ -22,13 +22,13 @@ The **Metadata format guidelines** <a href="https://tethys.at/docs/HandbuchTethy
 
 # 3. Storage Infrastructure
 
-This is the physical or virtual infrastructure used to store the data and metadata in the repository. By using **PostgreSQL**, TETHYS is able to manage large volumes of metadata and provide fast and secure access to this information. The data files are stored on an **Ubuntu file server** with **ext4**partition.
+This is the physical or virtual infrastructure used to store the data and metadata in the repository. By using **PostgreSQL**, TETHYS is able to manage large volumes of metadata and provide fast and secure access to this information. The data files are stored on an **Ubuntu 22.04 file server** with **ext4**partition.
 
 # 4. Data processing and curation workflows
 
 ...
 
-# 5. Discovery and access systems
+# 5. Data Discovery
 
 TETHYS supports data discovery in various ways
 
@@ -73,6 +73,10 @@ TETHYS provides an Access Control List (ACL) system that is used to manage users
 
 - link_account_roles: This table stores the relationship between users (Accounts) and roles. Each row in this table represents a user that has been assigned a specific role.
 
-# 7. Preservation systems
+# 7. System Integration
 
-....
+System Integration with other systems involves integrating the research repository with other systems, such as project management tools, data platforms and reporting tools.
+
+By providing the Open Archives Initiative Protocol for Metadata Harvesting (**OAI-PMH**) any other data provider can harvest TETHYS metadata. An example would be the **Bielefeld Academic Search Engine BASE**: https://www.base-search.net/Search/Results?q=coll:fttethysrdr&refid=dctablede
+
+Matomo is used to track statistics data for TETHYS. Matomo is an open-source web analytics platform that can be used to track user behavior on a website.