Laboratório Nacional de Energia e Geologia - LNEG: a data access report

The main format pattern

The largest normalized label is WMS. It appears on 72 resource records.

This represents 54.5% of the listed format declarations.

The two largest labels account for 64.4% of that total.

The export contains 132 format declarations across 18 normalized labels.

These are catalogue declarations. This report does not verify every file or service response.

Compare the resource structure

This entry has 1.22 listed format declarations per dataset.

The median among 40 listed publishers in Portugal is 2.78.

The entry records 0.5% of the datasets in the saved national portal export.

Multiple resources can indicate file versions, geographic parts, or alternative formats. A larger ratio does not prove better data.

The export retains up to 20 format labels per publisher. It excludes empty labels and some small publishers.

Check the two source counters

The dataset metadata declares 191 resources. The format table contains 132 declarations.

These totals differ. The metadata counter and the format table use separate source fields.

The percentages in this report use the listed format declarations as their denominator.

The export does not establish a verified count of unique, accessible files.

Interpret the metadata dates

The stored sample contains 100 dataset titles. 100 have a recorded modification date.

Those dates range from 2023-11-02 to 2026-06-23.

A catalogue edit can change the modification date without a change to the observations.

The sample can omit older records. It does not establish a publication rate or a complete historical series.

Compare the observation period on the source page before you describe a trend.

Checks for WMS

1. Read the service capabilities document.
2. Select the required layer and supported coordinate system.
3. Check the layer extent and available styles.
4. Check whether the publisher offers a feature download.
5. Use a feature service when the task requires record-level analysis.

Plan access to the data

WMS supplies map images. An image response does not provide the original feature table.

1. Open the government source portal.
2. Find the required dataset with its exact catalogue title.
3. Confirm the observation period and geographic coverage.
4. Read the licence for that dataset.
5. Choose a file format that preserves the required fields.
6. Record the source URL and access date.

What the evidence supports

The format table identifies the main access methods in the saved catalogue.

The declaration ratio describes the structure of the saved catalogue records.

Neither measure establishes the accuracy, completeness, or current availability of the underlying observations.

Use a second dated catalogue export before any claim that publication volume increased or decreased.