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Merged
fsteeg merged 12 commits into from
Sep 11, 2025
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Begin prototyping data types of fields and optional #173

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bf410aa
Begin prototyping data types of fields and optional
thadguidry Apr 14, 2024
95e7373
Update draft/index.html
thadguidry Apr 16, 2024
7ed0869
Remove defined term from "required"
thadguidry Apr 16, 2024
a42b465
Add JSON spec conventions and add more datatypes
thadguidry Sep 13, 2024
04efe96
Rename folders temporarily to resolve conflict in #173
fsteeg Mar 13, 2025
ba33a02
Merge remote-tracking branch 'origin/thadguidry-test-datatype-renderi…
fsteeg Mar 13, 2025
7421da6
Rename folders back after resolving conflict in #173
fsteeg Mar 13, 2025
04c0399
Merge remote-tracking branch 'origin/master' into thadguidry-test-dat…
fsteeg May 8, 2025
a74c0a9
Link to specific sections in JSON spec from our definitions (#173)
fsteeg Jun 10, 2025
6da7ee4
Update sections with new field documentation format (#157, #173)
fsteeg Jul 10, 2025
854c5ee
Merge remote-tracking branch 'origin/master' into thadguidry-test-dat…
fsteeg Sep 11, 2025
0c80ce3
Apply type and required/optional info to rest of spec (#157, #173)
fsteeg Sep 11, 2025
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89 changes: 61 additions & 28 deletions draft/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
<script src='../libs/respec-w3c.js' async class='remove'></script>
<script class='remove'>
var respecConfig = {
xref: ["ecmascript", "RFC2119", "RFC6570"],
specStatus: "CG-DRAFT",
subtitle: "A protocol for data matching on the Web",
pluralize: true,
Expand Down Expand Up @@ -244,7 +245,6 @@ <h4>This Draft</h4>
</ul>
</section>
</section>
<section id="conformance"></section>
</section>
<section>
<h2>Core Concepts</h2>
Expand All @@ -255,21 +255,53 @@ <h2>Core Concepts</h2>
or <a>properties</a> with <a>property values</a>.
The purpose of this section is to define these notions.
</p>
<h3 data-link-for="conventions">Terms Used</h3>
<p>
<b>JSON</b> [[RFC8259]] format conventions are used throughout this document, including examples.
</p>
<p>
The following concepts are used and borrowed from JSON syntax as well as from [[RFC2119]]:
<ul>
<li>
<dfn
data-lt="key|keyword|fields">
field
</dfn> ,plural "fields", is the alternative term used throughout to refer to the key or name part in a <code>"name":"value"</code> pair in a JSON object as defined by [[RFC8259]].
Comment thread
thadguidry marked this conversation as resolved.
Outdated
Or more loosely, a "key" in JSON data. The typical convention when dealing with APIs or programmatic querying of
records is to use "fields" rather than "keys", so we have chosen to use that term in this specification
when speaking of objects to query/request or respond with.
</li>
<li>
<dfn
data-lt="MANDATORY|NON-OPTIONAL">
required
</dfn> is the default and might be used at times to signify those [=fields=] which are mandatory and MUST be used in all reconciliation services.
If the field is not specified as either REQUIRED or OPTIONAL, then it is REQUIRED.
</li>
<li>
<dfn
data-lt="NOT MANDATORY|NON-MANDATORY">
optional
</dfn> is used to signify those [=fields=] which are not mandatory and MAY be used.
</li>
</ul>
</p>
</p>
<section>
<h3 data-link-for="entities">Entities</h3>
<p>
An <dfn>entity</dfn> is a record in the data source exposed by the service.
It comprises the following fields:
<dl>
<dt><code>id</code></dt>
<dd>an identifier, which is a non-empty string. This identifier must be unique among all entities;</dd>
<dt><code>name</code></dt>
<dd>a <emph>name</emph>, which is also a non-empty string;</dd>
<dt><code>description</code></dt>
<dd>an optional <emph>description</emph> as a human-readable string;</dd>
<dt><code>type</code></dt>
<dd>an array of <a>types</a>, possibly empty;</dd>
</dl>
It comprises the following [=fields=]:
<dl>
<dt><code>id</code></dt>
<dd>{{String}} - a non-empty identifier. This identifier must be unique among all entities;</dd>
<dt><code>name</code></dt>
<dd>{{String}} - a non-empty <emph>name</emph>;</dd>
<dt><code>description</code></dt>
<dd>{{String}} ({{optional}}) - a <emph>description</emph> as a human-readable string;</dd>
<dt><code>type</code></dt>
<dd>{{Array}} ({{optional}}) - an array of <a>types</a>, possibly empty;</dd>
</dl>
Moreover, for each <a>property</a> it contains a set of associated <a>property values</a>, possibly empty.
</p>
<p>
Expand All @@ -295,7 +327,7 @@ <h3 data-link-for="entities">Entities</h3>
<h3 data-link-for="types">Types</h3>
<p>
A <dfn>type</dfn> represents a category of <a>entities</a>.
It comprises the following fields:
It comprises the following [=fields=]:
<dl>
<dt><code>id</code></dt>
<dd>an identifier, which is a non-empty string. This identifier must be unique among all types;</dd>
Expand All @@ -310,7 +342,7 @@ <h3 data-link-for="types">Types</h3>
<h3 data-link-for="properties">Properties</h3>
<p>
A <dfn>property</dfn> represents a type of attribute that entities can have in the data source.
It comprises the following fields:
It comprises the following [=fields=]:
<dl>
<dt><code>id</code></dt>
<dd>an identifier, which is a non-empty string. This identifier must be unique among all properties;</dd>
Expand All @@ -332,6 +364,7 @@ <h3 data-link-for="property values">Property Values</h3>
</ul>
</p>
</section>
<section id="conformance"></section>
</section>
<section>
<h2>Service Definition</h2>
Expand All @@ -350,7 +383,7 @@ <h3>Service Manifest</h3>
parameters, the <a>service manifest</a> MUST be returned.
</p>
<p>
A <dfn>service manifest</dfn> consists of the following fields:
A <dfn>service manifest</dfn> consists of the following [=fields=]:
<dl>
<dt><code>versions</code></dt>
<dd>The array of API versions supported by the endpoint, such as <code>["0.1", "0.2"]</code>. Since this field did not exist in version 0.1, services which do not declare a <code>versions</code> field are expected to only support version 0.1.</dd>
Expand All @@ -373,7 +406,7 @@ <h3>Service Manifest</h3>
<dt><code>preview</code></dt>
<dd>A <a>preview metadata</a> object, supplied if the service offers a <a href="#preview-service">preview service</a>;</dd>
<dt><code>suggest</code></dt>
<dd>An optional object which may contain the following fields, depending on which <a href="#suggest-services">suggest services</a> are offered:
<dd>An optional object which may contain the following [=fields=], depending on which <a href="#suggest-services">suggest services</a> are offered:
<dl>
<dt><code>entity</code></dt>
<dd>A boolean indicating if the service supports auto-suggestion of <a>entities</a>;</dd>
Expand Down Expand Up @@ -493,7 +526,7 @@ <h2>Reconciliation Queries</h2>
<section>
<h3>Structure of a Reconciliation Query</h3>
<p>
A <dfn>reconciliation query</dfn> consists of the following fields.
A <dfn>reconciliation query</dfn> consists of the following [=fields=].
<dl>
<dt><code>conditions</code></dt>
<dd>An array of <a>conditions</a> (at least one).</dd>
Expand Down Expand Up @@ -528,7 +561,7 @@ <h3>Structure of a Reconciliation Query</h3>
<dt><code>match_qualifier</code></dt>
<dd>An optional string to indicate how to match the values in <code>v</code>.
This can be used for general matching relations like "skos:exactMatch", "skos:closeMatch", etc. or for specific features like spatial matching with geo data
(e.g. containment search with "schema:containsPlace" etc.) or custom matching on date fields (e.g. services supporting the [[EDTF]] specification could use "EDTF:Level-0" etc.
(e.g. containment search with "schema:containsPlace" etc.) or custom matching on date [=fields=] (e.g. services supporting the [[EDTF]] specification could use "EDTF:Level-0" etc.
To allow discovery of supported qualifiers by clients, services that support <code>match_qualifier</code> MUST return the supported <code>match_qualifiers</code> for each property
in their property <a href='#suggest-responses'>suggest responses</a>.</p></dd>
</dl>
Expand All @@ -539,11 +572,11 @@ <h3>Structure of a Reconciliation Query</h3>
A <dfn>reconciliation query batch</dfn> is an array of <a>reconciliation queries</a>.
</p>
<p>
Minimal example of a <a>reconciliation query batch</a> with mandatory fields only:
Minimal example of a <a>reconciliation query batch</a> with mandatory [=fields=] only:
<pre data-include="examples/reconciliation-query-batch/valid/example-min.json" class="example json"></pre>
</p>
<p>
Full example of a <a>reconciliation query batch</a> with all optional fields:
Full example of a <a>reconciliation query batch</a> with all optional [=fields=]:
<pre data-include="examples/reconciliation-query-batch/valid/example-full.json" class="example json"></pre>
</p>
<p>
Expand All @@ -560,7 +593,7 @@ <h3>Structure of a Reconciliation Query</h3>
<h3>Reconciliation Query Responses</h3>
<p>
A <dfn>reconciliation candidate</dfn> represents an <a>entity</a> as a response to a <a>reconciliation query</a>.
It is proposed to the client as a potential matching entity for this query. It contains the following fields:
It is proposed to the client as a potential matching entity for this query. It contains the following [=fields=]:
<dl>
<dt><code>id</code></dt>
<dd>The identifier of the candidate entity;</dd>
Expand Down Expand Up @@ -593,7 +626,7 @@ <h3>Reconciliation Query Responses</h3>
to compute matching scores which fit their use cases better.
</p>
<p>
Example of a <a>reconciliation candidate</a> with all possible fields:
Example of a <a>reconciliation candidate</a> with all possible [=fields=]:
<pre data-include="examples/reconciliation-candidate/valid/example.json" class="example json"></pre>
</p>
<p>
Expand Down Expand Up @@ -674,7 +707,7 @@ <h2>Preview Service</h2>
</p>
<section>
<h3>Preview Metadata</h3>
<p>Reconciliation services MAY offer a preview service by providing the <dfn>preview metadata</dfn> as an object stored in the <a>service manifest</a> under the key <code>preview</code>. It consists of the following fields, all mandatory:
<p>Reconciliation services MAY offer a preview service by providing the <dfn>preview metadata</dfn> as an object stored in the <a>service manifest</a> under the key <code>preview</code>. It consists of the following [=fields=], all mandatory:
<dl>
<dt><code>width</code></dt>
<dd>The width in pixels of the viewport where to render an entity preview;</dd>
Expand Down Expand Up @@ -736,12 +769,12 @@ <h3>Suggest Queries</h3>
<section id="suggest-responses">
<h3>Suggest Responses</h3>
<p>
A response to a suggest query consists of the following fields:
A response to a suggest query consists of the following [=fields=]:
<dl>
<dt><code>result</code></dt>
<dd>An array of items, which can be <a>entities</a>, <a>properties</a>
or <a>types</a> depending on which of these the service
is provided for. Each such object can contain the following fields:
is provided for. Each such object can contain the following [=fields=]:
<dl>
<dt><code>id</code></dt>
<dd>The identifier of the entity, property or type suggested;</dd>
Expand Down Expand Up @@ -832,7 +865,7 @@ <h3>Data Extension Metadata</h3>
</dl>
</p>
<p>
Example of <a>data extension metadata</a> with all optional fields:
Example of <a>data extension metadata</a> with all optional [=fields=]:
<pre data-include="examples/data-extension-metadata/valid/example-full.json" class="example json"></pre>
</p>
</section>
Expand All @@ -855,7 +888,7 @@ <h3>Data Extension Property Proposals</h3>
A <dfn>data extension property proposal response</dfn> consists of:
<dl>
<dt><code>properties</code></dt>
<dd>An array of proposed <a>properties</a>. These properties are suggested as fields that could be potentially fetched via data extension for entities of the type provided in the query;</dd>
<dd>An array of proposed <a>properties</a>. These properties are suggested as [=fields=] that could be potentially fetched via data extension for entities of the type provided in the query;</dd>
<dt><code>type</code></dt>
<dd>The <a>type</a> identifier supplied in the query;</dd>
<dt><code>limit</code></dt>
Expand Down Expand Up @@ -1001,7 +1034,7 @@ <h3>Visual rendering</h3>
<section>
<h3>Content semantics</h3>
<p>
The main content presented to users is provided in <a>reconciliation results</a> and <a>data extension responses</a>. Both support <code>name</code> fields for all identifiable objects, in particular
The main content presented to users is provided in <a>reconciliation results</a> and <a>data extension responses</a>. Both support <code>name</code> [=fields=] for all identifiable objects, in particular
<a>entities</a>, <a>types</a>, <a>properties</a>, and <a>matching features</a>. These SHOULD be used by reconciliation clients to provide useful labels for displaying and linking identifiable entities.
The structural semantics of the content provided by reconciliation services allows different presentations (as pages, tables, etc.) in reconciliation clients. Being fully text- and JSON-based, content can
be modified by third-party tools to enhance accessibility.
Expand Down