<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
    <xs:element name="keywordList">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="keyword" maxOccurs="unbounded">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="name" type="xs:string" maxOccurs="unbounded"/>
                            <xs:element name="description" type="xs:string"/>
                            <xs:element name="go" minOccurs="0" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:attribute name="id" use="required">
                                        <xs:simpleType>
                                            <xs:restriction base="xs:string">
                                                <xs:pattern value="GO:[0-9]+"/>
                                            </xs:restriction>
                                        </xs:simpleType>
                                    </xs:attribute>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                        <xs:attribute name="id" use="required">
                            <xs:simpleType>
                                <xs:restriction base="xs:string">
                                    <xs:pattern value="KW-[0-9]{4}"/>
                                </xs:restriction>
                            </xs:simpleType>
                        </xs:attribute>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>
</xs:schema>
