<metadataformat type="Method">
                <metadatafield>
                    <fieldName>Group</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <maxOccurs>*</maxOccurs>
                    <defaultValue>Others</defaultValue>
                    <note>The group the item belongs to.</note>
                    <vocabulary isMultiSelection="false">
                        <vocabularyField>Computational Epidemiology</vocabularyField>
                        <vocabularyField>Demography, Economy and Finance 2.0</vocabularyField>
                        <vocabularyField>Disaster Response and Recovery</vocabularyField>
                        <vocabularyField>e-Learning</vocabularyField>
                        <vocabularyField>Ethics and Legality</vocabularyField>
                        <vocabularyField>Health Studies</vocabularyField>
                        <vocabularyField>Migration Studies</vocabularyField>
                        <vocabularyField>Network Medicine</vocabularyField>
                        <vocabularyField>Pervasive Intelligence in Cyber-Physical Systems for Future Society</vocabularyField>
                        <vocabularyField>Social Impact of AI and explainable ML</vocabularyField>
                        <vocabularyField>Societal Debates and Misinformation</vocabularyField>
                        <vocabularyField>Societal and Industrial Impact of Next-Generation Internet and beyond 5G Networks</vocabularyField>
                        <vocabularyField>Sustainable Cities for Citizens</vocabularyField>
                        <vocabularyField>Others</vocabularyField>
                    </vocabulary>
                    <grouping create="true">onValue</grouping>
                </metadatafield>
                <metadatafield>
                    <fieldName>Thematic Cluster</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <vocabulary isMultiSelection="true">
                        <vocabularyField>Human Mobility Analytics [HMA]</vocabularyField>
                        <vocabularyField>Privacy Enhancing Technology [PET]</vocabularyField>
                        <vocabularyField>Social Data [SD]</vocabularyField>
                        <vocabularyField>Social Network Analysis [SNA]</vocabularyField>
                        <vocabularyField>Text and Social Media Mining [TSMM]</vocabularyField>
                        <vocabularyField>Visual Analytics [VA]</vocabularyField>
                        <vocabularyField>Web Analytics [WA]</vocabularyField>
                        <vocabularyField>Other</vocabularyField>
                    </vocabulary>
                </metadatafield>
                <metadatafield>
                    <fieldName>SoBigData Node</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <maxOccurs>*</maxOccurs>
                    <defaultValue>SoBigData EU</defaultValue>
                    <note>The node the item belongs to.</note>
                    <vocabulary isMultiSelection="false">
                        <vocabularyField>SoBigData AT</vocabularyField>
                        <vocabularyField>SoBigData BG</vocabularyField>
                        <vocabularyField>SoBigData CH</vocabularyField>
                        <vocabularyField>SoBigData DE</vocabularyField>
                        <vocabularyField>SoBigData EL</vocabularyField>
                        <vocabularyField>SoBigData ES</vocabularyField>
                        <vocabularyField>SoBigData FI</vocabularyField>
                        <vocabularyField>SoBigData FR</vocabularyField>
                        <vocabularyField>SoBigData IT</vocabularyField>
                        <vocabularyField>SoBigData NL</vocabularyField>
                        <vocabularyField>SoBigData SE</vocabularyField>
                        <vocabularyField>SoBigData EU</vocabularyField>
                    </vocabulary>
                    <grouping create="true">onValue</grouping>
                </metadatafield>
                <metadatafield>
                    <fieldName>External Identifier</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>This applies only to methods that have been already published. Insert here a DOI, an handle, and any other Identifier assigned when publishing the dataset alsewhere.</note>
                </metadatafield>
                <metadatafield>
                    <fieldName>Creator</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <note>The name of the creator, with email and ORCID. The format should be: family, given[, email][, ORCID]. Example: Smith, John, js@acme.org, orcid.org/0000-0002-1825-0097</note>
                    <validator>
                        <regularExpression>^[a-zA-ZÀ-ÿ .'-]+, [a-zA-ZÀ-ÿ .'-]+[, ]*([a-zA-Z0-9_!#$%’*+=?`{|}~^.-]+@[a-zA-Z0-9À-ÿ.-]+)?[, ]*(orcid.org\/0000-000(1-[5-9]|2-[0-9]|3-[0-4])\d\d\d-\d\d\d[\dX])?$</regularExpression>
                    </validator>
                </metadatafield>
                <metadatafield>
                    <fieldName>CreationDate</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>Time</dataType>
                    <note>The date of creation of the dataset (different from the date of registration of the dataset automatically added by the system). Use ISO 8601 Date Format: YYYY-MM-DD[ HH:MM] Ex. 1998-11-10 or 2015-05-29 11:55</note>
                    <validator>
                        <regularExpression>^(\d{4}\-(0?[1-9]|1[012])\-(0?[1-9]|[12][0-9]|3[01]))+([ ]+(\d{2}(:?\d{2})?)?)?$</regularExpression>
                    </validator>
                </metadatafield>
                <metadatafield>
                    <fieldName>Owner</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <note>The name of the owner, with email and ORCID. The format should be: family, given[, email][, ORCID]. Example: Smith, John, js@acme.org, orcid.org/0000-0002-1825-0097</note>
                    <validator>
                        <regularExpression>^[a-zA-ZÀ-ÿ .'-]+, [a-zA-ZÀ-ÿ .'-]+[, ]*([a-zA-Z0-9_!#$%’*+=?`{|}~^.-]+@[a-zA-Z0-9À-ÿ.-]+)?[, ]*(orcid.org\/0000-000(1-[5-9]|2-[0-9]|3-[0-4])\d\d\d-\d\d\d[\dX])?$</regularExpression>
                    </validator>
                </metadatafield>
                <metadatafield>
                    <fieldName>Area</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>Sub-community specific</note>
                </metadatafield>
                <metadatafield>
                    <fieldName>Semantic Coverage</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>Tagging e.g. people, cities, transports...</note>
                </metadatafield>
                <metadatafield>
                    <fieldName>input</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>inputParametersType. See WPS </note>
                </metadatafield>
                <metadatafield>
                    <fieldName>output</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>outputType. See WPS </note>
                </metadatafield>
                <metadatafield>
                    <fieldName>RelatedPaper</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>Insert a complete reference to an associated work.</note>
                </metadatafield>
                <metadatafield>
                    <fieldName>Accessibility</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <defaultValue>Both</defaultValue>
                    <note>How the access to the resource is regulated: Virtual Access or Trans National Access.</note>
                    <vocabulary>
                        <vocabularyField>Both</vocabularyField>
                        <vocabularyField>Virtual Access</vocabularyField>
                        <vocabularyField>Trans National Access</vocabularyField>
                    </vocabulary>
                </metadatafield>
                <metadatafield>
                    <fieldName>Availability</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <note>How the availability to the resource is offered.</note>
                    <vocabulary>
                        <vocabularyField>On-Line</vocabularyField>
                        <vocabularyField>On-Site</vocabularyField>
                    </vocabulary>
                </metadatafield>
                <metadatafield>
                    <fieldName>AccessibilityMode</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <note>How the access to the resource is offered. </note>
                    <vocabulary isMultiSelection="true">
                        <vocabularyField>OnLine Access</vocabularyField>
                        <vocabularyField>API Access</vocabularyField>
                        <vocabularyField>Download</vocabularyField>
                    </vocabulary>
                </metadatafield>
                <metadatafield>
                    <fieldName>ProgrammingLanguage</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>The primary language used to implement the method. </note>
                </metadatafield>
                <metadatafield>
                    <fieldName>Hosting Environment</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>E.g. Linux, Microsoft Azure, Amazon EC2</note>
                </metadatafield>
                <metadatafield>
                    <fieldName>Dependencies on Other SW</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>E.g. this sowftware requires an Hadoop cluster to run</note>
                </metadatafield>
                <metadatafield>
                    <fieldName>IP/Copyrights</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>Whether software is covered by any rights: copyright, related rights, know how, proprietary, etc.</note>
                </metadatafield>
                <metadatafield>
                    <fieldName>Field/Scope of use</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <vocabulary isMultiSelection="true">
                        <vocabularyField>Any use</vocabularyField>
                        <vocabularyField>Non-commercial only</vocabularyField>
                        <vocabularyField>Research only</vocabularyField>
                        <vocabularyField>Non-commercial research only</vocabularyField>
                        <vocabularyField>Private use</vocabularyField>
                        <vocabularyField>Use for developing and providing a service</vocabularyField>
                    </vocabulary>
                </metadatafield>
                <metadatafield>
                    <fieldName>Basic rights</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <vocabulary isMultiSelection="true">
                        <vocabularyField>Temporary download of a single copy only</vocabularyField>
                        <vocabularyField>Download</vocabularyField>
                        <vocabularyField>Copying</vocabularyField>
                        <vocabularyField>Distribution</vocabularyField>
                        <vocabularyField>Modification</vocabularyField>
                        <vocabularyField>Communication</vocabularyField>
                        <vocabularyField>Making available to the public</vocabularyField>
                        <vocabularyField>Other rights</vocabularyField>
                    </vocabulary>
                </metadatafield>
                <metadatafield>
                    <fieldName>Restrictions on use</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>Any restrictions on how where the dataset may be used </note>
                </metadatafield>
                <metadatafield>
                    <fieldName>Sublicense rights</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <note>Any restrictions on how where the dataset may be used</note>
                    <vocabulary>
                        <vocabularyField>No</vocabularyField>
                        <vocabularyField>Yes</vocabularyField>
                    </vocabulary>
                </metadatafield>
                <metadatafield>
                    <fieldName>Attribution requirements</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>The text exporting how the user needs to acknowledge the source when using/distributing data/developing service</note>
                </metadatafield>
                <metadatafield>
                    <fieldName>Distribution requirements</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>Whether the user, when distributing the dataset, if allowed, must follow certain requirements</note>
                </metadatafield>
                <metadatafield>
                    <fieldName>Territory of use</fieldName>
                    <mandatory>true</mandatory>
                    <dataType>String</dataType>
                    <note>In what territory dataset may be used</note>
                    <vocabulary>
                        <vocabularyField>World Wide</vocabularyField>
                        <vocabularyField>Europe</vocabularyField>
                        <vocabularyField>Albania</vocabularyField>
                        <vocabularyField>Andorra</vocabularyField>
                        <vocabularyField>Austria</vocabularyField>
                        <vocabularyField>Belarus</vocabularyField>
                        <vocabularyField>Belgium</vocabularyField>
                        <vocabularyField>Bosnia and Herzegovina</vocabularyField>
                        <vocabularyField>Bulgaria</vocabularyField>
                        <vocabularyField>Croatia</vocabularyField>
                        <vocabularyField>Cyprus</vocabularyField>
                        <vocabularyField>Czech Republic</vocabularyField>
                        <vocabularyField>Denmark</vocabularyField>
                        <vocabularyField>Estonia</vocabularyField>
                        <vocabularyField>Faroe Is.</vocabularyField>
                        <vocabularyField>Finland</vocabularyField>
                        <vocabularyField>France</vocabularyField>
                        <vocabularyField>Germany</vocabularyField>
                        <vocabularyField>Gibraltar</vocabularyField>
                        <vocabularyField>Greece</vocabularyField>
                        <vocabularyField>Guernsey</vocabularyField>
                        <vocabularyField>Hungary</vocabularyField>
                        <vocabularyField>Iceland</vocabularyField>
                        <vocabularyField>Ireland</vocabularyField>
                        <vocabularyField>Italy</vocabularyField>
                        <vocabularyField>Latvia</vocabularyField>
                        <vocabularyField>Liechtenstein</vocabularyField>
                        <vocabularyField>Lithuania</vocabularyField>
                        <vocabularyField>Luxembourg</vocabularyField>
                        <vocabularyField>Macedonia</vocabularyField>
                        <vocabularyField>Malta</vocabularyField>
                        <vocabularyField>Moldova</vocabularyField>
                        <vocabularyField>Monaco</vocabularyField>
                        <vocabularyField>Montenegro</vocabularyField>
                        <vocabularyField>Netherlands</vocabularyField>
                        <vocabularyField>Norway</vocabularyField>
                        <vocabularyField>Poland</vocabularyField>
                        <vocabularyField>Portugal</vocabularyField>
                        <vocabularyField>Romania</vocabularyField>
                        <vocabularyField>San Marino</vocabularyField>
                        <vocabularyField>Serbia</vocabularyField>
                        <vocabularyField>Slovakia</vocabularyField>
                        <vocabularyField>Slovenia</vocabularyField>
                        <vocabularyField>Spain</vocabularyField>
                        <vocabularyField>Sweden</vocabularyField>
                        <vocabularyField>Switzerland</vocabularyField>
                        <vocabularyField>United Kingdom</vocabularyField>
                        <vocabularyField>Ukraine</vocabularyField>
                        <vocabularyField>Vatican City</vocabularyField>
                    </vocabulary>
                </metadatafield>
                <metadatafield>
                    <fieldName>License term</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>Time_Interval</dataType>
                    <note>Period of time during which the dataset may be used. Use ISO 8601 Date Format: YYYY-MM-DD[ HH:MM] Ex. 2016-07-31 or 2015-05-10 12:00</note>
                    <validator>
                        <regularExpression>^(\d{4}\-(0?[1-9]|1[012])\-(0?[1-9]|[12][0-9]|3[01]))+([ ]+(\d{2}(:?\d{2})?)?)?$</regularExpression>
                    </validator>
                </metadatafield>
                <metadatafield>
                    <fieldName>Requirement of non-disclosure (confidentiality mark)</fieldName>
                    <mandatory>false</mandatory>
                    <dataType>String</dataType>
                    <note>Requirement of non-disclosure (confidentiality mark). Whether the dataset bears confidentiality mark/may be used and shared subject to the obligation of non-disclosure</note>
                </metadatafield>
            </metadataformat>