partner-contact/partner_relations/data/demo.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <record id="rel_type_assistant" model="res.partner.relation.type">
            <field name="name">is assistant of</field>
            <field name="name_inverse">has assistant</field>
            <field name="contact_type_left">p</field>
            <field name="contact_type_right">p</field>
        </record>
        <record id="rel_type_competitor" model="res.partner.relation.type">
            <field name="name">is competitor of</field>
            <field name="name_inverse">is competitor of</field>
            <field name="contact_type_left">c</field>
            <field name="contact_type_right">c</field>
            <field name="is_symmetric" eval="True" />
        </record>
        <record id="rel_type_has_worked_for" model="res.partner.relation.type">
            <field name="name">works for</field>
            <field name="name_inverse">has employee</field>
            <field name="contact_type_left">p</field>
            <field name="contact_type_right">c</field>
        </record>
        <record id="rel_1" model="res.partner.relation">
            <field name="left_partner_id" ref="base.res_partner_12" />
            <field name="right_partner_id" ref="base.res_partner_23" />
            <field name="type_id" ref="rel_type_competitor" />
        </record>
        <record id="rel_2" model="res.partner.relation">
            <field name="left_partner_id" ref="base.res_partner_13" />
            <field name="right_partner_id" ref="base.res_partner_23" />
            <field name="type_id" ref="rel_type_competitor" />
        </record>
        <record id="rel_3" model="res.partner.relation">
            <field name="left_partner_id" ref="base.res_partner_12" />
            <field name="right_partner_id" ref="base.res_partner_13" />
            <field name="type_id" ref="rel_type_competitor" />
        </record>
    </data>
</openerp>