[lrn] [service_id] [service_type] [service_version] [title] [abstract] [keywords] [organization] [contact_email] [contact_address_type] [contact_address] [contact_city] [contact_stateprov] [contact_country] [contact_tel] [contact_fax] [onlineresource] [endpoint_capabilities] [endpoint_getresource] [fees] [accessconstraints] [creation_date] [update_date] [owner_user_id] [lang] [last_check_time] [available] [average_response_time_seconds]