| Property | Expected Type | Description |
|---|---|---|
| Properties fromPropertyValue | ||
maxValue | Number | The upper value of some characteristic or property. |
measurementMethod | DefinedTerm or MeasurementMethodEnum or Text or URL | A subproperty ofmeasurementTechnique that can be used for specifying specific methods, in particular viaMeasurementMethodEnum. |
measurementTechnique | DefinedTerm or MeasurementMethodEnum or Text or URL | A technique, method or technology used in anObservation,StatisticalVariable orDataset (orDataDownload,DataCatalog), corresponding to the method used for measuring the corresponding variable(s) (for datasets, described usingvariableMeasured; forObservation, aStatisticalVariable). Often but not necessarily eachvariableMeasured will have an explicit representation as (or mapping to) an property such as those defined in Schema.org, or other RDF vocabularies and "knowledge graphs". In that case the subproperty ofvariableMeasured calledmeasuredProperty is applicable. ThemeasurementTechnique property helps when extra clarification is needed about how ameasuredProperty was measured. This is oriented towards scientific and scholarly dataset publication but may have broader applicability; it is not intended as a full representation of measurement, but can often serve as a high level summary for dataset discovery. For example, ifvariableMeasured is: molecule concentration,measurementTechnique could be: "mass spectrometry" or "nmr spectroscopy" or "colorimetry" or "immunofluorescence". If thevariableMeasured is "depression rating", themeasurementTechnique could be "Zung Scale" or "HAM-D" or "Beck Depression Inventory". If there are severalvariableMeasured properties recorded for some given data object, use aPropertyValue for eachvariableMeasured and attach the correspondingmeasurementTechnique. The value can also be from an enumeration, organized as aMeasurementMetholdEnumeration. |
minValue | Number | The lower value of some characteristic or property. |
propertyID | Text or URL | A commonly used identifier for the characteristic represented by the property, e.g. a manufacturer or a standard code for a property. propertyID can be(1) a prefixed string, mainly meant to be used with standards for product properties; (2) a site-specific, non-prefixed string (e.g. the primary key of the property or the vendor-specific ID of the property), or (3)a URL indicating the type of the property, either pointing to an external vocabulary, or a Web resource that describes the property (e.g. a glossary entry).Standards bodies should promote a standard prefix for the identifiers of properties from their standards. |
unitCode | Text or URL | The unit of measurement given using the UN/CEFACT Common Code (3 characters) or a URL. Other codes than the UN/CEFACT Common Code may be used with a prefix followed by a colon. |
unitText | Text | A string or text indicating the unit of measurement. Useful if you cannot provide a standard unit code forunitCode. |
value | Boolean or Number or StructuredValue or Text | The value of aQuantitativeValue (includingObservation) or property value node.
|
valueReference | DefinedTerm or Enumeration or MeasurementTypeEnumeration or PropertyValue or QualitativeValue or QuantitativeValue or StructuredValue or Text | A secondary value that provides additional information on the original value, e.g. a reference temperature or a type of measurement. |
| Properties fromThing | ||
additionalType | Text or URL | An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. Typically the value is a URI-identified RDF class, and in this case corresponds to the use of rdf:type in RDF. Text values can be used sparingly, for cases where useful information can be added without their being an appropriate schema to reference. In the case of text values, the class label should follow the schema.orgstyle guide. |
alternateName | Text | An alias for the item. |
description | Text or TextObject | A description of the item. |
disambiguatingDescription | Text | A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation. |
identifier | PropertyValue or Text or URL | The identifier property represents any kind of identifier for any kind ofThing, such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. Seebackground notes for more details. |
image | ImageObject or URL | An image of the item. This can be aURL or a fully describedImageObject. |
mainEntityOfPage | CreativeWork or URL | Indicates a page (or other CreativeWork) for which this thing is the main entity being described. Seebackground notes for details. Inverse property:mainEntity |
name | Text | The name of the item. |
potentialAction | Action | Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role. |
sameAs | URL | URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website. |
subjectOf | CreativeWork or Event | A CreativeWork or Event about this Thing. Inverse property:about |
url | URL | URL of the item. |
| Property | On Types | Description |
|---|---|---|
| additionalProperty | MerchantReturnPolicy or Offer or Place or Product or QualitativeValue or QuantitativeValue | A property-value pair representing an additional characteristic of the entity, e.g. a product feature or another characteristic for which there is no matching property in schema.org. Note: Publishers should be aware that applications designed to use specific schema.org properties (e.g. https://schema.org/width, https://schema.org/color, https://schema.org/gtin13, ...) will typically expect such data to be provided using those properties, rather than using the generic property/value mechanism. |
| associatedDisease | BioChemEntity | Disease associated to this BioChemEntity. Such disease can be a MedicalCondition or a URL. If you want to add an evidence supporting the association, please use PropertyValue. |
| exifData | ImageObject | exif data for this object. |
| hasMolecularFunction | BioChemEntity | Molecular function performed by this BioChemEntity; please use PropertyValue if you want to include any evidence. |
| hasRepresentation | BioChemEntity | A common representation such as a protein sequence or chemical structure for this entity. For images use schema.org/image. |
| identifier | Thing | The identifier property represents any kind of identifier for any kind ofThing, such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. Seebackground notes for more details. |
| isInvolvedInBiologicalProcess | BioChemEntity | Biological process this BioChemEntity is involved in; please use PropertyValue if you want to include any evidence. |
| isLocatedInSubcellularLocation | BioChemEntity | Subcellular location where this BioChemEntity is located; please use PropertyValue if you want to include any evidence. |
| taxonRank | Taxon | The taxonomic rank of this taxon given preferably as a URI from a controlled vocabulary – typically the ranks from TDWG TaxonRank ontology or equivalent Wikidata URIs. |
| valueReference | PropertyValue or QualitativeValue or QuantitativeValue | A secondary value that provides additional information on the original value, e.g. a reference temperature or a type of measurement. |
| variableMeasured | Dataset or Observation | The variableMeasured property can indicate (repeated as necessary) the variables that are measured in some dataset, either described as text or as pairs of identifier and description using PropertyValue, or more explicitly as aStatisticalVariable. |
| variablesMeasured | Dataset | Originally namedvariablesMeasured, thevariableMeasured property can indicate (repeated as necessary) the variables that are measured in some dataset, either described as text or as pairs of identifier and description using PropertyValue. |
<h2>Beach in Mexico</h2><img src="mexico-beach.jpg" alt="" />By Jane DoePhotographed in Puerto Vallarta, MexicoDate uploaded: Jan 25, 2008I took this picture while on vacation last year.<!-- We assume the following EXIF meta-data is available, but currently not shown:Exposure Time: 1/659 sec.FNumber: f/4.0MaxApertureValue: 2.00Metering Mode: PatternFlash: Flash did not fire.-->
<div itemscope itemtype="https://schema.org/ImageObject"> <h2 itemprop="name">Beach in Mexico</h2> <img src="mexico-beach.jpg" alt="" itemprop="contentUrl" /> By <span itemprop="author">Jane Doe</span> Photographed in <span itemprop="contentLocation">Puerto Vallarta, Mexico</span> Date uploaded: <meta itemprop="datePublished" content="2008-01-25">Jan 25, 2008 <span itemprop="description">I took this picture while on vacation last year.</span><!-- Note: We do not split value strings in unit and value information, since this the raw EXIF data does not provide this granularity. If you are able to separate the unit, you can use the unitText property --> <div itemprop="exifData" itemscope itemtype="https://schema.org/PropertyValue"> <meta itemprop="name" content="Exposure Time"> <meta itemprop="value" content="1/659 sec."> </div> <div itemprop="exifData" itemscope itemtype="https://schema.org/PropertyValue"> <meta itemprop="name" content="FNumber"> <meta itemprop="value" content="f/4.0"> </div> <div itemprop="exifData" itemscope itemtype="https://schema.org/PropertyValue"> <meta itemprop="name" content="MaxApertureValue"> <meta itemprop="value" content="2.00"> </div> <div itemprop="exifData" itemscope itemtype="https://schema.org/PropertyValue"> <meta itemprop="name" content="Metering Mode"> <meta itemprop="value" content="Pattern"> </div> <div itemprop="exifData" itemscope itemtype="https://schema.org/PropertyValue"> <meta itemprop="name" content="Flash"> <meta itemprop="value" content="Flash did not fire."> </div></div>
<div vocab="https://schema.org/" typeof="ImageObject"> <h2 property="name">Beach in Mexico</h2> <img src="mexico-beach.jpg" alt="" property="contentUrl" /> By <span property="author">Jane Doe</span> Photographed in <span property="contentLocation">Puerto Vallarta, Mexico</span> Date uploaded: <meta property="datePublished" content="2008-01-25">Jan 25, 2008 <span property="description">I took this picture while on vacation last year.</span><!-- Note: We do not split value strings in unit and value information, since this the raw EXIF data does not provide this granularity. If you are able to separate the unit, you can use the unitText property --> <div property="exifData" typeOf="PropertyValue"> <meta property="name" content="Exposure Time"> <meta property="value" content="1/659 sec."> </div> <div property="exifData" typeOf="PropertyValue"> <meta property="name" content="FNumber"> <meta property="value" content="f/4.0"> </div> <div property="exifData" typeOf="PropertyValue"> <meta property="name" content="MaxApertureValue"> <meta property="value" content="2.00"> </div> <div property="exifData" typeOf="PropertyValue"> <meta property="name" content="Metering Mode"> <meta property="value" content="Pattern"> </div> <div property="exifData" typeOf="PropertyValue"> <meta property="name" content="Flash"> <meta property="value" content="Flash did not fire."> </div></div>
<script type="application/ld+json">{ "@context": "https://schema.org", "@type": "ImageObject", "author": "Jane Doe", "contentLocation": "Puerto Vallarta, Mexico", "contentUrl": "mexico-beach.jpg", "datePublished": "2008-01-25", "description": "I took this picture while on vacation last year.", "name": "Beach in Mexico", "exifData": [ { "@type": "PropertyValue", "name": "Exposure Time", "value": "1/659 sec." }, { "@type": "PropertyValue", "name": "FNumber", "value": "f/4.0" }, { "@type": "PropertyValue", "name": "MaxApertureValue", "value": "2.00" }, { "@type": "PropertyValue", "name": "Metering Mode", "value": "Pattern" }, { "@type": "PropertyValue", "name": "Flash", "value": "Flash did not fire." } ]}</script><!-- Product: Point Value, with unit as text --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>Approx. Weight</span> <span>450</span> <span>gram</span> </div></div>
<!-- Product: Point Value, with unit as text --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Approx. Weight</span> <span itemprop="value">450</span> <span itemprop="unitText">gram</span> </div></div>
<!-- Product: Point Value, with unit as UN/CEFACT Common Code to be added to the template --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>Approx. Weight</span> <span>450</span>g </div></div>
<!-- Product: Point Value, with unit as UN/CEFACT Common Code --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Approx. Weight</span> <span itemprop="value">450</span> <meta itemprop="unitCode" content="GRM">g </div></div>
<!-- Product: Range, with unit as UN/CEFACT Common Code to be added to the template --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>Operating Voltage</span> <span>100</span>- <span>250</span> volts </div></div>
<!-- Product: Range, with unit as UN/CEFACT Common Code --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Operating Voltage</span> <span itemprop="minValue">100</span>- <span itemprop="maxValue">250</span> <meta itemprop="unitCode" content="VLT">volts </div></div>
<!-- Product: Open Interval, with unit as UN/CEFACT Common Code to be added to the template --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>Wifi range</span>: up to <span>30</span> ft. </div></div>
<!-- Product: Open Interval, with unit as UN/CEFACT Common Code --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Wifi range</span>: up to <span itemprop="maxValue">30</span><!-- Note: The UN/CEFACT Common Code for foot is FOT --> <meta itemprop="unitCode" content="FOT">ft. </div></div>
<!-- Product: Multiple Intervals --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>Operating voltage</span>: <span>9-12</span> or <span>100-250</span> volts </div></div>
<!-- Product: Multiple Intervals --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Operating voltage</span>: <span itemprop="value">9-12</span> or <span itemprop="value">100-250</span> <meta itemprop="unitCode" content="VLT">volts </div></div>
<!-- Product: Range and Enumerated Values --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>ISO Sensitivity</span>: <span>100-6400</span>/ <span>12,800</span> (Hi-1) <span>ISO</span> </div></div>
<!-- Product: Range and Enumerated Values --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">ISO Sensitivity</span>: <span itemprop="value">100-6400</span>/ <span itemprop="value">12,800</span> (Hi-1) <span itemprop="unitText">ISO</span> </div></div>
<!-- Product: Boolean Value --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>USB interface</span>: Yes </div></div>
<!-- Product: Boolean Value --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">USB interface</span>: <meta itemprop="value" content="True">Yes </div></div>
<!-- Product: Qualitative Value --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>Interface</span>: <span>USB</span> </div></div>
<!-- Product: Qualitative Value --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Interface</span>: <span itemprop="value">USB</span> </div></div>
<!-- Product: Qualitative Value (multiple) --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>Interfaces</span>: <span>USB</span>, <span>Ethernet</span> </div></div>
<!-- Product: Qualitative Value (multiple) --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Interfaces</span>: <span itemprop="value">USB</span>, <span itemprop="value">Ethernet</span> </div></div>
<!-- Product: Property ID for clarifying the meaning of a property: URI from external vocabulary --><!-- (see microdata example for comparison) --><div> <img src="station_waggon123.jpg" alt="" /> <span>Station Waggon 123</span> <div> <span>Luggage Capacity (seats folded)</span>: <span>500</span> liter </div></div>
<!-- Product: Property ID for clarifying the meaning of a property: URI from external vocabulary --><div itemscope itemtype="https://schema.org/Car"> <img itemprop="image" src="station_waggon123.jpg" alt="" /> <span itemprop="name">Station Waggon 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Luggage Capacity (seats folded)</span>: <span itemprop="value">500</span> <meta itemprop="unitCode" content="LTR">liter <link itemprop="propertyID" href="http://purl.org/vvo/ns#luggageCapacitySeatsFolded" /> </div></div>
<!-- Product: Property ID for clarifying the meaning of a property: Code from eCl@ss Standard --><!-- The Property code 02-AAM226 is for "USB interface present" in eCl@ss 8.1(see microdata example for comparison) --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>USB Interface</span>:Yes </div></div>
<!-- Product: Property ID for clarifying the meaning of a property: Code from eCl@ss Standard --><!-- The Property code 02-AAM226 is for "USB interface present" in eCl@ss 8.1 --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">USB Interface</span>: <meta itemprop="value" content="True">Yes <meta itemprop="propertyID" content="eclass81:02-AAM226"> </div></div>
<!-- Product: Value References --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <span>Operating Voltage</span> <span>100</span>- <span>250</span> volts at <div> <span>50</span> <span>Hz</span> </div> </div></div>
<!-- Product: Value References --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Operating Voltage</span> <span itemprop="minValue">100</span>- <span itemprop="maxValue">250</span> <meta itemprop="unitCode" content="VLT">volts at <div itemprop="valueReference" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="value">50</span> <span itemprop="unitText">Hz</span> </div> </div></div>
<!-- Product: Ratios --><div> <img src="station_waggon123.jpg" alt="" /> <span>Station Waggon 123</span> <div> <span>Fuel consumption</span>: <span>5</span> <meta>liter</span> / <div> <span>100</span> <span>km</span> </div> </div></div>
<!-- Product: Ratios --><div itemscope itemtype="https://schema.org/Car"> <img itemprop="image" src="station_waggon123.jpg" alt="" /> <span itemprop="name">Station Waggon 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Fuel consumption</span>: <span itemprop="value">5</span> <meta itemprop="unitCode" content="LTR">liter / <div itemprop="valueReference" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="value">100</span> <span itemprop="unitText">km</span> </div> </div></div>
<!-- Product: Grouping and Hierarchical Order of Properties --><div> <img src="camera123.jpg" alt="" /> <span>Digital Camera 123</span> <div> <strong>Focus/Autofocus</strong> <div> <span>Picture Control</span> <span>Landscape</span> <span>Monochrome</span> <span>Portrait</span> </div> <div> <span>Single-point AF Mode</span>: Yes </div> </div></div>
<!-- Product: Grouping and Hierarchical Order of Properties --><div itemscope itemtype="https://schema.org/Product"> <img itemprop="image" src="camera123.jpg" alt="" /> <span itemprop="name">Digital Camera 123</span> <div itemprop="additionalProperty" itemscope itemtype="https://schema.org/PropertyValue"> <strong itemprop="name">Focus/Autofocus</strong> <div itemprop="value" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Picture Control</span> <span itemprop="value">Landscape</span> <span itemprop="value">Monochrome</span> <span itemprop="value">Portrait</span> </div> <div itemprop="value" itemscope itemtype="https://schema.org/PropertyValue"> <span itemprop="name">Single-point AF Mode</span>: <meta itemprop="value" content="True">Yes </div> </div></div>