Following is the XSD for the data feed.
<?xml version="1.0" encoding="windows-1252"?>
<!-- edited with XMLSpy v2005 rel. 3 U (http://www.altova.com) by Oracle XDB (Oracle XDB) -->
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:oss="http://xmlns.oracle.com/orarss" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" targetNamespace="http://xmlns.oracle.com/orarss" elementFormDefault="qualified">
<xsd:complexType name="descriptionType" abstract="true"/>
<xsd:complexType name="channelDescType">
<xsd:complexContent>
<xsd:extension base="oss:descriptionType">
<xsd:sequence>
<xsd:element name="sourceName" type="xsd:string" minOccurs="0">
<xsd:annotation>
<xsd:documentation>
The business Object for which this channel corresponds to - if missing then the channel contains information from multiple sources.
</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="feedType" default="incremental" maxOccurs="0" minOccurs="0">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="incremental"/>
<xsd:enumeration value="full"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="batchId" type="xsd:string" minOccurs="0"/>
<xsd:element name="itemCount" type="xsd:positiveInteger" minOccurs="0"/>
</xsd:sequence>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
<xsd:complexType name="itemType">
<xsd:sequence>
<xsd:element name="title" type="xsd:string"/>
<xsd:element name="link" type="xsd:anyURI">
<xsd:annotation>
<xsd:documentation>
Display URL of the item. This URL should be UTF-8 encoded.
</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="description" type="xsd:string"/>
<xsd:element name="itemDesc">
<xsd:complexType>
<xsd:complexContent>
<xsd:extension base="oss:itemDescType">
<xsd:attribute name="operation" type="oss:operationType" default="insert"/>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="rssChannelType">
<xsd:sequence>
<xsd:element name="title" type="xsd:string"/>
<xsd:element name="link" type="xsd:anyURI">
<xsd:annotation>
<xsd:documentation>
display URL
</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="description" type="xsd:string"/>
<xsd:element name="lastBuildDate" type="xsd:dateTime">
<xsd:annotation>
<xsd:documentation>
This is the publishing date for this channel
</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:any namespace="##other" minOccurs="0"/>
<xsd:element name="channelDesc" type="oss:channelDescType" />
<xsd:element name="item" maxOccurs="unbounded">
<xsd:complexType>
<xsd:complexContent>
<xsd:extension base="oss:itemType"/>
</xsd:complexContent>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="infoType">
<xsd:sequence>
<xsd:element name="status" type="oss:statusType"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="itemDescType">
<xsd:complexContent>
<xsd:extension base="oss:descriptionType">
<xsd:sequence>
<xsd:element name="documentMetadata" type="oss:metadataType" minOccurs="0"/>
<xsd:element name="documentAcl" type="oss:securityType" minOccurs="0"/>
<xsd:element name="documentInfo" type="oss:infoType" minOccurs="0"/>
<xsd:element name="documentContent" type="oss:bodyType" minOccurs="0"/>
</xsd:sequence>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
<xsd:complexType name="sourceHierType">
<xsd:sequence>
<xsd:element name="path" type="xsd:string" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="metadataType">
<xsd:sequence>
<xsd:element name="author" type="xsd:string" minOccurs="0" maxOccurs="unbounded"/>
<xsd:element name="accessURL" type="xsd:string" minOccurs="0"/>
<xsd:element name="lastModifiedDate" type="xsd:dateTime" minOccurs="0"/>
<xsd:element name="keywords" type="xsd:string" minOccurs="0"/>
<xsd:element name="summary" type="xsd:string" minOccurs="0"/>
<xsd:element name="language" type="xsd:string" minOccurs="0"/>
<xsd:element name="sourceHierarchy" type="oss:sourceHierType" minOccurs="0"/>
<xsd:element name="docAttr" minOccurs="0" maxOccurs="unbounded">
<xsd:complexType>
<xsd:simpleContent>
<xsd:extension base="oss:docAttrType">
<xsd:attribute name="name" type="xsd:string" use="required"/>
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="securityType">
<xsd:choice>
<xsd:element name="principal" minOccurs="0" maxOccurs="unbounded">
<xsd:complexType>
<xsd:simpleContent>
<xsd:extension base="xsd:string">
<xsd:attribute name="idType" type="oss:idAttrType" use="optional" default="user">
<xsd:annotation>
<xsd:documentation>
User or group.
</xsd:documentation>
</xsd:annotation>
</xsd:attribute>
<xsd:attribute name="format" type="xsd:string" use="required"/>
<xsd:attribute name="grant" type="xsd:boolean" use="optional" default="true"/>
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="securityAttr" minOccurs="0" maxOccurs="unbounded">
<xsd:complexType>
<xsd:simpleContent>
<xsd:extension base="xsd:string">
<xsd:attribute name="name" type="xsd:string"/>
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>
</xsd:element>
</xsd:choice>
<xsd:attribute name="ownerGuid" type="xsd:string">
<xsd:annotation>
<xsd:documentation>
OwnerGUID - useful if the principal includes OWNER
</xsd:documentation>
</xsd:annotation>
</xsd:attribute>
</xsd:complexType>
<xsd:simpleType name="statusType">
<xsd:restriction base="xsd:string">
<xsd:enumeration value="STATUS_OK_FOR_INDEX"/>
<xsd:enumeration value="STATUS_BAD_REQUEST"/>
<xsd:enumeration value="STATUS_AUTH_REQUIRED"/>
<xsd:enumeration value="STATUS_ACCESS_FORBIDDEN"/>
<xsd:enumeration value="STATUS_NOTFOUND"/>
<xsd:enumeration value="STATUS_PROXY_REQUIRED"/>
<xsd:enumeration value="STATUS_REQUEST_TIMEOUT"/>
<xsd:enumeration value="STATUS_SERVER_ERROR"/>
<xsd:enumeration value="STATUS_BAD_GATEWAY"/>
<xsd:enumeration value="STATUS_FETCH_ERROR"/>
<xsd:enumeration value="STATUS_READ_TIMEOUT"/>
<xsd:enumeration value="STATUS_FILTER_ERROR"/>
<xsd:enumeration value="STATUS_OUT_OF_MEMORY"/>
<xsd:enumeration value="STATUS_IO_EXCEPTION"/>
<xsd:enumeration value="STATUS_CONNECTION_REFUSED"/>
<xsd:enumeration value="STATUS_DUPLICATE_DOC"/>
<xsd:enumeration value="STATUS_EMPTY_DOC"/>
<xsd:enumeration value="STATUS_LOGIN_FAILED"/>
<xsd:enumeration value="STATUS_OK_BUT_NO_INDEX"/>
<xsd:enumeration value="STATUS_OK_CRAWLED"/>
<xsd:enumeration value="STATUS_CANNOT_READ"/>
<xsd:enumeration value="STATUS_DOC_SIZE_TOO_BIG"/>
</xsd:restriction>
</xsd:simpleType>
<xsd:simpleType name="operationType">
<xsd:restriction base="xsd:string">
<xsd:enumeration value="insert"/>
<xsd:enumeration value="replace"/>
<xsd:enumeration value="delete"/>
</xsd:restriction>
</xsd:simpleType>
<xsd:simpleType name="idAttrType">
<xsd:restriction base="xsd:string">
<xsd:enumeration value="user"/>
<xsd:enumeration value="group"/>
<xsd:enumeration value="owner"/>
</xsd:restriction>
</xsd:simpleType>
<xsd:complexType name="bodyType">
<xsd:choice minOccurs="0" maxOccurs="unbounded">
<xsd:element name="contentLink" minOccurs="0" maxOccurs="unbounded">
<xsd:complexType>
<xsd:simpleContent>
<xsd:extension base="xsd:anyURI">
<xsd:attribute name="contentType" default="text/html"/>
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="content" minOccurs="0">
<xsd:complexType>
<xsd:simpleContent>
<xsd:extension base="xsd:string">
<xsd:attribute name="contentType" type="xsd:string" default="text/plain"/>
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="xhtmlContent" minOccurs="0" maxOccurs="1">
<xsd:complexType>
<xsd:complexContent>
<xsd:extension base="xsd:anyType">
<xsd:attribute name="lang" type="xsd:string"/>
<xsd:anyAttribute namespace="##other"/>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
</xsd:element>
</xsd:choice>
</xsd:complexType>
<xsd:simpleType name="docAttrType">
<xsd:union memberTypes="xsd:dateTime xsd:decimal xsd:string"/>
</xsd:simpleType>
<xsd:element name="rss">
<xsd:annotation>
<xsd:documentation>RSS data file</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element name="channel" type="oss:rssChannelType"/>
</xsd:sequence>
<xsd:attribute name="version" type="xsd:decimal" use="required" fixed="2.0/>
</xsd:complexType>
</xsd:element>
</xsd:schema>