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@ -79,13 +79,13 @@ The `coordinates` property of the GeoJSON object will provide the [longitude, la
A subset of OpenStreeMaps tags have been seleceted to create a standard list of properties that kind 37515 clients can expect to handle. A subset of OpenStreeMaps tags have been seleceted to create a standard list of properties that kind 37515 clients can expect to handle.
#### Required Tags #### Required Properties
| Tag Key | Tag Value | Example | | Tag Key | Tag Value | Example |
|------------------|------------------------|------------------------| |------------------|------------------------|------------------------|
| `"name"` | The name for the Place | | | `"name"` | The name for the Place | |
#### Optional Tags #### Optional Properties
| Tag Key | Tag Value | Example | | Tag Key | Tag Value | Example |
|------------------|------------------------|------------------------| |------------------|------------------------|------------------------|
@ -103,9 +103,7 @@ A subset of OpenStreeMaps tags have been seleceted to create a standard list of
| `"amenity"` | https://wiki.openstreetmap.org/wiki/Key:amenity | | | `"amenity"` | https://wiki.openstreetmap.org/wiki/Key:amenity | |
| `"wheelchair"` | https://wiki.openstreetmap.org/wiki/Key:wheelchair | "yes" for accessible, "no" for non-accessible | | `"wheelchair"` | https://wiki.openstreetmap.org/wiki/Key:wheelchair | "yes" for accessible, "no" for non-accessible |
#### Example
A Place creator can describe the properties of their Place using these tags like this: A Place creator can describe the properties of their Place using these tags like this:
```json ```json
@ -119,14 +117,14 @@ A Place creator can describe the properties of their Place using these tags like
#### Requirements #### Requirements
- Only one of each Property tag MAY be used in a single event. - Only one of each Property tag MAY be used in a single event.
- The 0th element of a Property tag, such as `"name"`, is the key. The next element is the value, such as `"Jitter's Coffee Shop"`. If the value is an empty string, it denotes the complete removal of the property from the Place. This is NOT the same as using something like `false` as the value. - The 0th element of a Property tag, such as `"name"`, is the key. The next element is the value, such as `"Jitter's Coffee Shop"`. The value should not be an empty string in a kind 37515. However, in a kind 1754, if the value is an empty string it denotes the complete removal of the property from the Place. This is NOT the same as using something like `"false"` as the value.
Property tags are __not__ indexed by relays. They can be used for client-side filtering and interpretation of Places after they are queried from the relays; the `g` tag is the preferred method to query for Places in an area. Property tags are __not__ indexed by relays. They can be used for client-side filtering and interpretation of Places after they are queried from the relays; the `g` tag is the preferred method to query for Places in an area.
### Contributor Tags ### Contributor Tags
The Place creator can designate other pubkeys via `contributor` tags. If these `contributor` pubkeys publish kind `1754` events to apply properties to the Place, clients SHOULD give their properties higher consideration than properties applied by non-contributor pubkeys. The Place creator can designate other pubkeys via `"contributor"` tags. If these `"contributor"` pubkeys publish kind `1754` events to apply properties to the Place, clients SHOULD give their properties higher consideration than properties applied by non-contributor pubkeys.
### Other Tags ### Other Tags
@ -137,9 +135,7 @@ The Place creator can designate other pubkeys via `contributor` tags. If these `
Property Application Kind 1754 Property Application Kind 1754
-------- --------
A kind `1754` event MAY be used to apply properties to other Places. This enables crowdsourcing of useful Place information, but clients ultimately decide how this information is used. A client may request kind `1754` and filter by `a` tag to get all of the Property Application events for a particular place. A kind `1754` event MAY be used to apply properties to other Places. This enables crowdsourcing of useful Place information, but clients ultimately decide how this information is used. A client may request kind `1754` and filter by `a` tag to get all of the Property Application events for a particular Place.
If a pubkey is listed in a Place's `"contributor"` tag, clients SHOULD consider its `1754` events authoritative, but still subordinate to the Place's own property tags.
### Content ### Content
@ -147,16 +143,17 @@ The `content` field MAY include a human-readable explanation or note for the eve
### Property Target ### Property Target
The Property Application event MUST include one or more `"a"` tags indicating The Property Application event MUST include one or more `"a"` tags indicating the target Place(s) the props should be applied to.
the target Places the props should be applied to.
### Property Interpretation ### Property Interpretation
The properties applied to the target Place by publishing a kind 1754 are to be interpreted at the client's discretion. The following is a recommendation for how the precedence of properties can be determined: The properties applied to the target Place by publishing a kind 1754 are to be interpreted at the client's discretion. The following is a recommendation for how the precedence of properties can be determined:
1. A Place's own property tags take precedence in absence of applicable kind 1754 events. 1. A Place's own property tags take precedence in absence of applicable kind 1754 events.
2. Properties applied by a pubkey who is listed in a `contributor` tag on the Place should take precedence over the Place's original properties. 2. Properties applied by a pubkey who is listed in a `"contributor"` tag on the Place should take precedence over the Place's original properties.
3. Properties applied by any other pubkey should only take precedence if that pubkey has a high Web of Trust score to the current user. 3. Properties applied by any other pubkey should only take precedence over the original Place and `"contributor"` properties if that pubkey has a high Web of Trust score to the current user.
Kind 37515 clients could provide a convenient UI for Place owners to copy-in kind 1754 properties they agree with; this would enable kind 1754 events to function as recommendations even if they are outside of the Place owner's Web of Trust.
### Kind 1754 Examples ### Kind 1754 Examples