<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xmlns:xs="http://www.w3.org/2001/XMLSchema"
           xmlns:html="http://www.w3.org/1999/xhtml"
           xmlns:hfp="http://www.w3.org/2001/XMLSchema-hasFacetAndProperty">
  <xs:complexType name="personType">
    <xs:sequence>
      <xs:element maxOccurs="1" name="name">
        <xs:complexType>
          <xs:attribute name="fn"/>

          <xs:attribute name="ln"/>
        </xs:complexType>
      </xs:element>

      <xs:element maxOccurs="1" name="email" type="xs:string"/>

      <xs:element maxOccurs="1" name="phone" type="xs:string"/>
    </xs:sequence>

    <xs:attribute name="personId" use="required"/>
  </xs:complexType>

  <xs:complexType name="paperType">
    <xs:sequence>
      <xs:element maxOccurs="1" name="title" type="xs:string"/>

      <xs:element maxOccurs="1" name="contactAuthor" type="xs:string"/>

      <xs:element name="author">
        <xs:complexType>
          <xs:sequence>
            <xs:element name="person" type="personType"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>

      <xs:element name="cite">
        <xs:complexType>
          <xs:sequence>
            <xs:element name="paper" type="paperType"/>
          </xs:sequence>

          <xs:attribute name="citeId"/>

          <xs:attribute name="format"/>
        </xs:complexType>
      </xs:element>
    </xs:sequence>

    <xs:attribute name="paperId"/>
  </xs:complexType>

  <xs:element name="conf">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="1" name="title">
          <xs:complexType>
            <xs:attribute name="contitle"/>
          </xs:complexType>
        </xs:element>

        <xs:element maxOccurs="1" name="date">
          <xs:complexType>
            <xs:attribute name="year"/>

            <xs:attribute name="month"/>

            <xs:attribute name="day"/>
          </xs:complexType>
        </xs:element>

        <xs:element maxOccurs="1" name="editor">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="person" type="personType"/>
            </xs:sequence>
          </xs:complexType>
        </xs:element>

        <xs:element name="paper" type="paperType"/>
      </xs:sequence>

      <xs:attribute name="conid" use="required"/>
    </xs:complexType>
  </xs:element>
</xs:schema>
