# Summary Statistics

- [1. Property `Summary Statistics > total_artifacts`](#total_artifacts)
- [2. Property `Summary Statistics > total_conferences`](#total_conferences)
- [3. Property `Summary Statistics > systems_artifacts`](#systems_artifacts)
- [4. Property `Summary Statistics > security_artifacts`](#security_artifacts)
- [5. Property `Summary Statistics > conferences_list`](#conferences_list)
  - [5.1. Summary Statistics > conferences_list > conferences_list items](#conferences_list_items)
- [6. Property `Summary Statistics > systems_conferences`](#systems_conferences)
  - [6.1. Summary Statistics > systems_conferences > systems_conferences items](#systems_conferences_items)
- [7. Property `Summary Statistics > security_conferences`](#security_conferences)
  - [7.1. Summary Statistics > security_conferences > security_conferences items](#security_conferences_items)
- [8. Property `Summary Statistics > year_range`](#year_range)
- [9. Property `Summary Statistics > last_updated`](#last_updated)

**Title:** Summary Statistics

|                           |             |
| ------------------------- | ----------- |
| **Type**                  | `object`    |
| **Required**              | No          |
| **Additional properties** | Not allowed |

**Description:** High-level summary statistics for the Jekyll site. Written as summary.yml in _data/.

| Property                                         | Pattern | Type            | Deprecated | Definition | Title/Description                                 |
| ------------------------------------------------ | ------- | --------------- | ---------- | ---------- | ------------------------------------------------- |
| + [total_artifacts](#total_artifacts )           | No      | integer         | No         | -          | Total number of artifacts across all conferences. |
| + [total_conferences](#total_conferences )       | No      | integer         | No         | -          | Total number of tracked conferences.              |
| + [systems_artifacts](#systems_artifacts )       | No      | integer         | No         | -          | Artifacts from systems conferences.               |
| + [security_artifacts](#security_artifacts )     | No      | integer         | No         | -          | Artifacts from security conferences.              |
| + [conferences_list](#conferences_list )         | No      | array of string | No         | -          | List of all tracked conference abbreviations.     |
| + [systems_conferences](#systems_conferences )   | No      | array of string | No         | -          | List of systems conference abbreviations.         |
| + [security_conferences](#security_conferences ) | No      | array of string | No         | -          | List of security conference abbreviations.        |
| + [year_range](#year_range )                     | No      | string          | No         | -          | Range of years covered in 'YYYY-YYYY' format.     |
| + [last_updated](#last_updated )                 | No      | string          | No         | -          | ISO 8601 UTC timestamp of last data update.       |

## <a name="total_artifacts"></a>1. Property `Summary Statistics > total_artifacts`

|              |           |
| ------------ | --------- |
| **Type**     | `integer` |
| **Required** | Yes       |

**Description:** Total number of artifacts across all conferences.

| Restrictions |        |
| ------------ | ------ |
| **Minimum**  | &ge; 0 |

## <a name="total_conferences"></a>2. Property `Summary Statistics > total_conferences`

|              |           |
| ------------ | --------- |
| **Type**     | `integer` |
| **Required** | Yes       |

**Description:** Total number of tracked conferences.

| Restrictions |        |
| ------------ | ------ |
| **Minimum**  | &ge; 0 |

## <a name="systems_artifacts"></a>3. Property `Summary Statistics > systems_artifacts`

|              |           |
| ------------ | --------- |
| **Type**     | `integer` |
| **Required** | Yes       |

**Description:** Artifacts from systems conferences.

| Restrictions |        |
| ------------ | ------ |
| **Minimum**  | &ge; 0 |

## <a name="security_artifacts"></a>4. Property `Summary Statistics > security_artifacts`

|              |           |
| ------------ | --------- |
| **Type**     | `integer` |
| **Required** | Yes       |

**Description:** Artifacts from security conferences.

| Restrictions |        |
| ------------ | ------ |
| **Minimum**  | &ge; 0 |

## <a name="conferences_list"></a>5. Property `Summary Statistics > conferences_list`

|              |                   |
| ------------ | ----------------- |
| **Type**     | `array of string` |
| **Required** | Yes               |

**Description:** List of all tracked conference abbreviations.

|                      | Array restrictions |
| -------------------- | ------------------ |
| **Min items**        | N/A                |
| **Max items**        | N/A                |
| **Items unicity**    | False              |
| **Additional items** | False              |
| **Tuple validation** | See below          |

| Each item of this array must be                   | Description |
| ------------------------------------------------- | ----------- |
| [conferences_list items](#conferences_list_items) | -           |

### <a name="conferences_list_items"></a>5.1. Summary Statistics > conferences_list > conferences_list items

|              |          |
| ------------ | -------- |
| **Type**     | `string` |
| **Required** | No       |

## <a name="systems_conferences"></a>6. Property `Summary Statistics > systems_conferences`

|              |                   |
| ------------ | ----------------- |
| **Type**     | `array of string` |
| **Required** | Yes               |

**Description:** List of systems conference abbreviations.

|                      | Array restrictions |
| -------------------- | ------------------ |
| **Min items**        | N/A                |
| **Max items**        | N/A                |
| **Items unicity**    | False              |
| **Additional items** | False              |
| **Tuple validation** | See below          |

| Each item of this array must be                         | Description |
| ------------------------------------------------------- | ----------- |
| [systems_conferences items](#systems_conferences_items) | -           |

### <a name="systems_conferences_items"></a>6.1. Summary Statistics > systems_conferences > systems_conferences items

|              |          |
| ------------ | -------- |
| **Type**     | `string` |
| **Required** | No       |

## <a name="security_conferences"></a>7. Property `Summary Statistics > security_conferences`

|              |                   |
| ------------ | ----------------- |
| **Type**     | `array of string` |
| **Required** | Yes               |

**Description:** List of security conference abbreviations.

|                      | Array restrictions |
| -------------------- | ------------------ |
| **Min items**        | N/A                |
| **Max items**        | N/A                |
| **Items unicity**    | False              |
| **Additional items** | False              |
| **Tuple validation** | See below          |

| Each item of this array must be                           | Description |
| --------------------------------------------------------- | ----------- |
| [security_conferences items](#security_conferences_items) | -           |

### <a name="security_conferences_items"></a>7.1. Summary Statistics > security_conferences > security_conferences items

|              |          |
| ------------ | -------- |
| **Type**     | `string` |
| **Required** | No       |

## <a name="year_range"></a>8. Property `Summary Statistics > year_range`

|              |          |
| ------------ | -------- |
| **Type**     | `string` |
| **Required** | Yes      |

**Description:** Range of years covered in 'YYYY-YYYY' format.

| Restrictions                      |                                                                                                       |
| --------------------------------- | ----------------------------------------------------------------------------------------------------- |
| **Must match regular expression** | ```^[0-9]{4}-[0-9]{4}$``` [Test](https://regex101.com/?regex=%5E%5B0-9%5D%7B4%7D-%5B0-9%5D%7B4%7D%24) |

## <a name="last_updated"></a>9. Property `Summary Statistics > last_updated`

|              |             |
| ------------ | ----------- |
| **Type**     | `string`    |
| **Required** | Yes         |
| **Format**   | `date-time` |

**Description:** ISO 8601 UTC timestamp of last data update.

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