# Semantic Publication of Agricultural Scientific Literature Using Property Graphs
## 4 Results
### The Knowledge Graph
#### 4.2.2 Analysis of the Annotations Set
\begin{table}
\begin{tabular}{l l l l} \hline \hline
**Ontology prefix** & \
\begin{tabular}{l} **Elements** \\ **Used for** \\ **Annotation** \\ \end{tabular} &
\begin{tabular}{l} **Total Elements** \\ **Percentage** \\ \end{tabular} \\ \hline [[http://purl.bioontology.org/ontology/NCBITAXON](http://purl.bioontology.org/ontology/NCBITAXON)]([http://purl.bioontology.org/ontology/NCBITAXON](http://purl.bioontology.org/ontology/NCBITAXON)) & 1688 & 906,780 & 0.19\% \\ [[http://taxref.mnhn.fr/lod/taxon](http://taxref.mnhn.fr/lod/taxon)]([http://taxref.mnhn.fr/lod/taxon](http://taxref.mnhn.fr/lod/taxon)) & 1174 & 236,507 & 0.5\% \\ [[http://purl.obolibrary.org/obo/PR](http://purl.obolibrary.org/obo/PR)]([http://purl.obolibrary.org/obo/PR](http://purl.obolibrary.org/obo/PR)) & 2947 & 215,546 & 1.36\% \\ [[http://purl.obolibrary.org/obo/GR_tax](http://purl.obolibrary.org/obo/GR_tax)]([http://purl.obolibrary.org/obo/GR_tax](http://purl.obolibrary.org/obo/GR_tax)) & 752 & 58,598 & 1.28\% \\ [[http://purl.obolibrary.org/obo/GO](http://purl.obolibrary.org/obo/GO)]([http://purl.obolibrary.org/obo/GO](http://purl.obolibrary.org/obo/GO)) & 864 & 49,933 & 1.73\% \\ [[http://www.ebi.ac.uk/efo/EFO](http://www.ebi.ac.uk/efo/EFO)]([http://www.ebi.ac.uk/efo/EFO](http://www.ebi.ac.uk/efo/EFO)) & 503 & 10,174 & 4.94\% \\ [[http://purl.obolibrary.org/obo/FOODON](http://purl.obolibrary.org/obo/FOODON)]([http://purl.obolibrary.org/obo/FOODON](http://purl.obolibrary.org/obo/FOODON)) & 864 & 5530 & 15.62\% \\ [[http://purl.obolibrary.org/obo/SO](http://purl.obolibrary.org/obo/SO)]([http://purl.obolibrary.org/obo/SO](http://purl.obolibrary.org/obo/SO)) & 270 & 4687 & 5.76\% \\ [[http://opendata.inra.fr/PO2](http://opendata.inra.fr/PO2)]([http://opendata.inra.fr/PO2](http://opendata.inra.fr/PO2)) & 6 & 3477 & 0.17\% \\ [[http://opendata.inra.fr/PO2](http://opendata.inra.fr/PO2)]([http://opendata.inra.fr/PO2](http://opendata.inra.fr/PO2)) & 969 & 3465 & 28\% \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Set of the top-ten largest ontologies indicating, for each one, how many elements were used for annotating articles, the size of the ontology, and a percentage indicating the portion of the ontology used in annotation. \begin{table}
\begin{tabular}{c c c} \hline \hline
**Annotation** & **Annotated Classes** & **Average Class Depth in Hierarchy** \\ \hline PLANTS & 7 & 3.57 \\ PLANT & 15 & 3.67 \\ STRESS & 1 & 2 \\ SOIL & 5 & 4.2 \\ RICE & 8 & 9.25 \\ EXPRESSION * & 0 & - \\ GROWTH & 3 & 4 \\ OTHER & 1 & 3 \\ STUDY & 1 & 5 \\ GENES * & 0 & - \\ \hline
1-METHYLCYCLOPROPENE * & 0 & - \\
1-PROPANOL * & 0 & - \\ ABA RESPONSE & 1 & 7 \\ ABSCISIC ACID METABOLISM & 1 & 7 \\ ACETYLATION * & 0 & - \\ ACR2 & 2 & 9 \\ BOTANICAL CARDEN & 1 & 10 \\ BREAST ADNOCARCINOMA & 1 & 9 \\ CHAPERONIN & 1 & 13 \\ SESAME OIL & 2 & 8 \\ \hline \hline \end{tabular}
\end{table} 
Table 3: Common and unique annotations together with the number of ontology classes supporting them and the average depth of these classes in their ontology. Annotations marked with * are linked with individuals and not with classes, thus, average class depth could not be calculated.