From: Next generation models for storage and representation of microbial biological annotation
 | Free Text | Tab/Line Delimited | XML | RDF/XML | Relational-DB |
---|---|---|---|---|---|
Description Logic (FOL) | NO | NO | NO | YES | NO |
Ontology Standards | NO | NO | NO | YES | NO |
Centralized/not scalable | NO | YES* | NO | NO | YES** |
Human Readable | YES | YES | NO | YES | YES |
Domain Expert Understandable | YES | YES | NO | YES | NO |
Data Structure | NONE | Single Table | Tree | Graph | Relational Tables |
Data Expectations | NONE | NONE | Schema - Constraints | Inference rules | Schema – Constraints |
Native Format | Text | Text | Text | Text | Binary |
Query Engine Language | Programmed by hand | Programmed by hand | Libraries available | SPARQL | SQL |
Naming Standard | NO UNA**** | NO UNA | NO UNA | NO UNA | UNA |
Sequence Storage Solution | In Text | In Text | XML/Indexed | XML/Indexed | Indexed |
CWA/OWA*** | OWA | CWA | CWA | OWA | CWA |
Search Speed (Worst Case) | NP-Hard | O(n) | O(n) | P | O(log n) |
Update Speed (Worst Case) | NP-Hard | O(n) | O(n) | P | O(log n) |
Conversion to Semantic | Data loss possible – done by hand | No data loss – done by hand | No data loss – done with robust libraries | - | No data loss –library usage and some added labeling by hand |
Conversion from Semantic | No data loss | Data loss | Data loss | - | Data loss |