<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="urn:yahoo:prods" xmlns="urn:yahoo:prods" elementFormDefault="qualified">
<xs:element name="ProductSearch">
  <xs:complexType>
    <xs:sequence>
      <xs:element name="Categories" type="CategoryType" minOccurs="0"/>
      <xs:element name="Refinements" type="RefinementsType" minOccurs="0"/>
      <xs:element name="Products" type="ProductsType"/>
    </xs:sequence>
    <xs:attribute name="spellSuggestion" type="xs:string" use="optional"/>
  </xs:complexType>
</xs:element>

<xs:complexType name="CategoryType">
  <xs:sequence>
    <xs:element name="SubCategory" type="LHSType" minOccurs="0" maxOccurs="200"/>
  </xs:sequence>
  <xs:attribute name="total_subcategories" type="xs:nonNegativeInteger" use="required"/>
</xs:complexType>

<xs:complexType name="LHSType">
  <xs:sequence>
    <xs:element name="Title" type="xs:string" minOccurs="1" maxOccurs="1"/>
    <xs:element name="Value" type="xs:string" minOccurs="1" maxOccurs="1"/>
    <xs:element name="NumberOfProducts" type="xs:nonNegativeInteger" minOccurs="0" maxOccurs="1"/>
  </xs:sequence>
</xs:complexType>

<xs:complexType name="RefinementsType">
  <xs:sequence>
    <xs:element name="Refinement" type="RefinementType" minOccurs="0" maxOccurs="100"/>
  </xs:sequence>
</xs:complexType>

<xs:complexType name="RefinementType">
  <xs:sequence>
    <xs:element name="RefineValue" type="LHSType" minOccurs="1" maxOccurs="2000" />
  </xs:sequence>
  <xs:attribute name="name" type="xs:string" use="required"/>
  <xs:attribute name="totalvalues" type="xs:nonNegativeInteger" use="required"/>
</xs:complexType>

<xs:complexType name="RefineType">
  <xs:sequence>
    <xs:element name="RefineValue" type="LHSType" minOccurs="0" />
  </xs:sequence>
</xs:complexType>

<xs:complexType name="ProductsType">
    <xs:sequence>
	<xs:element name="Product" type="ProductType" minOccurs="0" maxOccurs="300" />
    </xs:sequence>		
    <xs:attribute name="totalResultsAvailable" type="xs:nonNegativeInteger" use="optional"/>	
    <xs:attribute name="firstResultPosition" type="xs:nonNegativeInteger" use="optional"/>
    <xs:attribute name="totalResultsReturned" type="xs:nonNegativeInteger" use="optional"/>
    <xs:attribute name="relatedSearches" type="xs:string" use="optional"/>	
</xs:complexType>

<xs:complexType name="ProductType">
  <xs:choice>
        <xs:element name="Catalog" type="CatalogType" />
        <xs:element name="Offer" type="OfferType" />
  </xs:choice>
  <xs:attribute name="type" type="xs:string" use="required"/>	
</xs:complexType>

<xs:complexType name="CatalogType">
  <xs:sequence>
    <xs:element name="Url" type="xs:string"/>
    <xs:element name="ProductName" type="xs:string"/>
    <xs:element name="PriceFrom" type="PriceType"/>
    <xs:element name="PriceTo" type="PriceType" minOccurs="0"/>
    <xs:element name="Thumbnail" type="ThumbnailType" minOccurs="0"/>
    <xs:element name="ListImage" type="ThumbnailType" minOccurs="0"/>
    <xs:element name="GridImage" type="ThumbnailType" minOccurs="0"/>
    <xs:element name="Description" type="xs:string" minOccurs="0"/>
    <xs:element name="Summary" type="xs:string" minOccurs="0"/>
    <xs:element name="UserRating" type="UserRatingType" minOccurs="0"/>
    <xs:element name="SpecificationList" type="SpecificationListType" minOccurs="0"/>
    <xs:element name="Brand" type="xs:string" minOccurs="0"/>	
    <xs:element name="NumOfStores" type="xs:nonNegativeInteger" minOccurs="0"/>	
  </xs:sequence>
  <xs:attribute name="id" type="xs:nonNegativeInteger" use="required"/>
</xs:complexType>

<xs:complexType name="OfferType">
  <xs:sequence>
    <xs:element name="Url" type="xs:string"/>
    <xs:element name="ProductName" type="xs:string"/>
    <xs:element name="Price" type="PriceType"/>
    <xs:element name="Thumbnail" type="ThumbnailType" minOccurs="0"/>
    <xs:element name="ListImage" type="ThumbnailType" minOccurs="0"/>
    <xs:element name="GridImage" type="ThumbnailType" minOccurs="0"/>
    <xs:element name="Summary" type="xs:string" minOccurs="0"/>
    <xs:element name="Merchant" type="MerchantType"/>
  </xs:sequence>
  <xs:attribute name="id" type="xs:string" use="optional"/>	
</xs:complexType>

<xs:simpleType name="PriceType">
  <xs:restriction base="xs:decimal">
    <xs:minInclusive value="0.00"/>
  </xs:restriction>
</xs:simpleType>

<xs:complexType name="ThumbnailType">
  <xs:sequence>
    <xs:element name="Url" type="xs:string"/>
    <xs:element name="Height" type="xs:nonNegativeInteger"/>
    <xs:element name="Width" type="xs:nonNegativeInteger"/>
  </xs:sequence>
</xs:complexType>

<xs:complexType name="UserRatingType">
  <xs:sequence>
    <xs:element name="NumRating" type="xs:nonNegativeInteger" minOccurs="0"/>
    <xs:element name="MaxRating" type="RatingValueType"/>
    <xs:element name="AverageRating" type="RatingValueType" minOccurs="0"/>
    <xs:element name="RatingUrl" type="xs:string"/>
    <xs:element name="CreateRatingUrl" type="xs:string" minOccurs="0"/>
  </xs:sequence>
</xs:complexType>

<xs:simpleType name="RatingValueType">
  <xs:restriction base="xs:decimal">
    <xs:minInclusive value="0.0"/>
    <xs:maxInclusive value="5.0"/>
  </xs:restriction>
</xs:simpleType>

<xs:complexType name="SpecificationListType">
  <xs:sequence>
    <xs:element name="Specification" type="SpecificationType" minOccurs="0" maxOccurs="100"/> 
  </xs:sequence>
</xs:complexType>

<xs:complexType name="SpecificationType">
  <xs:sequence>
    <xs:element name="SpecificationLabel" type="xs:string"/>
    <xs:element name="SpecificationValue" type="xs:string"/>
  </xs:sequence>
</xs:complexType>

<xs:complexType name="MerchantType">
  <xs:sequence>
    <xs:element name="Name" type="xs:string"/>
  </xs:sequence>
  <xs:attribute name="id" type="xs:nonNegativeInteger" use="required"/>
</xs:complexType>

</xs:schema>