
Figure 1
Map displaying the regions under study (Crete and Marmarica [northeastern Libya/northwestern Egypt]) (Basemap: © ESRI).

Figure 2
Streamlined workflow for data acquisition, processing, and dissemination.
Table 1
Format of gazetteer entries.
| VARIABLE | TYPE | DESCRIPTION |
|---|---|---|
| ID | string | This is the unique site number defined by the project (e.g., PE_00002). The two-letter prefix indicates the name of the project, the following numbers identify each site. |
| Zone | numeric | This number identifies the geographical location of a site (i.e., 1 = Crete 2 = Eastern Marmarica / 3 = Western Marmarica) |
| Modern_Name | string | Current name of the site or place. |
| Old_Name | string | Ancient name of the site as documented in the sources. |
| Coord_x | numeric | WGS 84 / UTM zone 35N [projected] [EPSG:32635] |
| Coord_y | numeric | WGS 84 / UTM zone 35N [projected] [EPSG:32635] |
| Accuracy | string | Scale that defines the accuracy of a settlement’s location. |
| Validation | numeric | Scale that the defines the level of confidence provided by the sources. |
| Type | string | General typology of the sites (e.g., settlement, burial place, etc.). |
| Subtype | string | Specific typology of the sites (e.g., harbour, tomb, etc.). |
| Eco_Zone | string | Ecological zone where the site is situated. |
| Risk_Level | string | Scale that defines the likelihood of destruction related to the potential risks. |
| Cod_Risk | string | Number that identifies the type of threats. |
| Remains | dichotomous | If documented remains exist (Yes/No). |
| Chronology | string | Phases of human occupation of the sites. |
| Keywords | string | Any relevant term or information used to identify the site. |
| Description | string | The site description indicates the nature of the archaeological material observed, or any information related with the site. |
| Biblio_ref | string | Sources used to create this dataset. |

Figure 3
PERAIA web service: enabling gazetteer access and interactive map visualization.
