Jan 21, 2013 · With patch Drupal test run ----- Tests to be run: - RDFa markup for comments (Drupal\rdf\Tests\CommentAttributesTest) - RDF mapping CRUD functions (Drupal\rdf\Tests\CrudTest) - RDF namespaces serialization test (Drupal\rdf\Tests\GetNamespacesTest) - RDF namespaces (Drupal\rdf\Tests\GetRdfNamespacesTest) - RDF mapping definition functionality Jun 8, 2011 · Drupal 8. Nov 18, 2023 at 12:57. By Bobby2 on 24 May 2023 at 11:54 UTC. org Blueprints ⋅ Categories: Actively maintained , Under active development , Administration , Content , Decoupled , Fields , RDF Other modules can define mappings of their data to RDF terms, and the RDF module makes this RDF data available to the theme. x series. This streamlines the manipulation of mapping objects by always returning a consistent object that reflects the current state of the configuration. Provides RDF API hooks for: defining RDF repositories. Turns out I had to make a small modification to line 32 of rdf. Problem/Motivation Normally, there are parts of the entities that cannot berendered (like the URL) if the entity is new, as the URI is the ID. 4 core. Drupal 7. By scor on 2 July 2009, updated 2 December 2014. This module requires the RDF and the SPARQL modules. Remaining tasks Update patch Review Commit User interface changes N/A API changes N/A Data model changes N/A Release notes snippet N/A Aug 30, 2008 · To benefit the most from RDF in Drupal, please use Drupal 7 and the RDF Extensions (RDFx). RDF Resource Description Framework, is a set of specs for metadata in the semantic web. The RDF Mapping API allows you to expose your site's data for easy re-use by mapping bundles to RDF types and fields to RDF predicates. In Drupal 10, the RDF module has been removed from the core modules. The Resource Description Framework (RDF) module contains the same code. Modules can provide mappings of their bundles' data and metadata to RDF classes and properties. There is no UI for this. org seamlessly during or after the site building process on Drupal 8. Move RDF to contrib, thereby making it easy for existing sites to keep using it in the short to medium term. The core Drupal modules define RDF mappings for their data model, and the core Drupal themes output this RDF metadata information along with the human-readable visual information. Remaining tasks. 5. See Remove a core module and move it to a contributed project of the deprecation policy. 9 On 1. Is it possible to make the namespace for the contrib project drupal/rdf instead of drupal/rdf-rdf by making a change in the composer facade, which is awesome. But Drupal + RDF module still wasn't loading ARC2, so I opened the code. org-first approach to building content models and structured data in Drupal. 5 is the final minor release of the 9. Sep 7, 2012 · Part of meta-issue [#1788918] Problem/Motivation In Drupal 7 we were using PHP print statements in field. Then NULL is passed in \\EasyRdf\\Resource Aug 12, 2008 · As noted in another issue (pending patch) the path for the ARC2 /preview/ release I unzipped into rdf/vendor was arc and not arc2. RDF was previously installed as part of the standard install profile, but many sites do not use the functionality it provides. 6. " with no more information. Its value should be an array of RDF classes. rdf 6. May 14, 2020 · RDF (Drupal Module) The RDF Module is part of Drupal Core, but has no official documentation. Create a Change Record that mentions both the RDF contrib module and alternatives, such as schema_metatag. The extra transports that Arto has built are the big one here. A maintainer is needed for the RDF contrib module. Turning our attention back to Drupal, this article will take a look at the state of RDF in Drupal 6 and some of the available contribued modules. RDFCCK relies on evoc to offer classes and properties to be mapped to CCK fields, node title and body. Nov 19, 2022 · The Drupal 10 readiness team holds meetings every Monday at 18:00 UTC in #d10readiness on Drupal Slack. For more information on the Drupal 10 release, read the Drupal 10. Mitch Barlow. 4 was updated to 9. Steps to reproduce Proposed resolution Remaining Jul 2, 2009 · RDF SPARQL Endpoint. Please use Drupal 7 with the RDF Extensions (RDFx) module and the SPARQL module, which includes the same functionality. 3 2. Problem/Motivation Getting a "The specified database connection is not defined: sparql_default" message when installing via composer. 0 and will be removed in 10. Jan 30, 2009 · The RDF e xternal voc abulary importer module (evoc) will cache any external RDF vocabulary in Drupal, and expose its classes and properties to other modules. RDF is a W3C standard to describe structured data. Changes since 6. x RDF API Enables the use of Resource Description Framework (RDF) metadata in Drupal. If you tag your content with the term 'drupalcon', the RDF statements produced would be the following: dc:subject rdfs:label "drupalcon" In English, this says one of the subjects of node 1 is Oct 9, 2011 · Hi, I am new to Drupal. 3. RDF can be serialized as RDFa in XHTML attributes to augment visual data with machine-readable hints. Ensure that all lines in doxygen blocks are 80 characters or fewer (excluding the terminal newline). Read more about Schema. Mar 25, 2017 · There's still one class left in the src/Tests namespace Drupal\rdf\Tests\Field\TestDataConverter which is used by the Drupal\Tests\rdf\Kernel\Field\FieldRdfaDatatypeCallbackTest This class conversion seems unrelated to this issue. Aug 3, 2012 · The Entity RDF module is a replacement for the Drupal 7 core RDF module offering a tight integration between the RDF mappings and Entity API. 我們很榮幸的為您獻上我們最好的工作成果 – Drupal 7，這個具有親和力和強大的內容管理平台，讓您能架設任何類型的網站：小至部落格或微博，大至協同合作的社群網站都可以！. I am willing to contribute to Drupal-7 as a Student in GSoC-2011. Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center. The User Interface allowing to set the mappings lives in the RDF UI, which is based on Sachini's Google Summer of Code project. Sep 15, 2022 · RDF introduction. First and foremost, search will Nov 8, 2008 · RDFa into Drupal 7 core is on its way! It is now time to start implementing it. Oct 12, 2021 · Problem/Motivation In [#2152459] we are considering removing RDF from core entirely. Stay connected with our latest news, articles, webinars, and more. May 23, 2014 · Project goal Allow site builders to integrate schema. Jun 17, 2009 · RDF is normally implemented using XML; while this is possible with Drupal, RDFa allows Drupal to implement RDF as part of the standard content displays. WissKI does a semantical mapping with the pathbuilder and to alter the pathbuilder in any way you will need an ontology, yes. Feb 23, 2024 · Please also support Drupal 10. One last final alpha release to fix a potential security issue discovered by scor of the Drupal security team. Jun 16, 2009 · Please read State of the RDF in Drupal core after the code sprint which explains the overall approach of the RDF effort in core. If you are interested in using the very basic ARC2 library as local triple store, you can use the ARC2 store Other modules can define mappings of their data to RDF terms, and the RDF module makes this RDF data available to the theme. It will be supported until November 2023. Contributors (5) Spokje, Wim Leers, bbrala, longwave, phenaproxima Changelog Issues: 2 issues resolved. The world has moved on to newer formats such as JSON-LD, but we still ship RDF module in the Standard profile and as such it is apparently used on 80% of Drupal sites, although we assume that most don't even know what it does or that they have it installed at all (see [#3158669] for more Mar 19, 2023 · Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center. This documentation is deprecated. info. Download rdf_entity-2. Tomorrow's article will take a look at what the Drupal 7 is a very extensible web platform, and provides many APIs to help you build your application. They can also be Mar 31, 2023 · At the core of the RDF mappings defined in the RDF mapping API are CURIEs such as 'sioc:Post' which refer to the particular class or property of a vocabulary. Sep 14, 2022 · This is a glossary and reference for terminology that may prove useful to know when working with RDF and, specifically, the RDF API for Drupal. 0 core. php Tests getting RDF namespaces. What is RDFa? May 14, 2024 · Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center. Sep 15, 2023 · Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center. Sep 26, 2023 · Steps to reproduce Install the latest devel version (> 5. 0-alpha7. rdf_preprocess_html in core/ modules/ rdf/ rdf. RDF entity relies on the EntityPublishedInterface which was introduced in Drupal 8. New features. 0-alpha2. 4 calls to rdf_get_namespaces() GetRdfNamespacesTest::testGetRdfNamespaces in core/ modules/ rdf/ tests/ src/ Functional/ GetRdfNamespacesTest. Cutting to the chase, implementing RDF now can lead to better search rankings for your site. Aug 16, 2011 · An article from IBM - The Semantic Web, Linked Data and Drupal, Part 1: Expose your data using RDF that describes a method to create a complex field using the Field Collection module and give its elements semantic information. x-1. RDF module overview. Provides management interfaces for: repository management, listing the available repositories provided by add-on modules hooking into the RDF API. May 23, 2016 · The RDF data is made available inside Drupal as standard content entities, so it works out of the box with basically everything that Drupal can do. The poll model of feeds isn't that great (push!). I want to load sample RDF data and retrieve it using - Drupal RDF java SparQL Jena. All its features have been moved into Drupal 7 and the RDFx module which include a better user interface and lots of new featu Other modules can define mappings of their data to RDF terms, and the RDF module makes this RDF data available to the theme. The Resource Description Framework project is an ensemble of modules providing comprehensive RDF functionality and interoperability. The uninstall hook can simply return, rdf_modules_uninstalled runs and deletes the mapping entry in {rdf_mapping}. org Blueprints module takes a Schema. There is a contributed RDF module as well which allows us to extend the functionality of the core module through : 1. Can we use first and third party cookies and web beacons to understand our audience, and to tailor promotions you see? Yes, please No, do not track me Can we use first and third party cookies and web beacons to understand our audience, and to tailor promotions you see? Yes, please No, do not track me . Tests included. Dec 15, 2022 · Drupal 9. The default RDF mappings of Drupal core have been updated to include schema. Mar 3, 2022 · Problem/Motivation Remove rdf from core Steps to reproduce Proposed resolution Check for @todo Bye bye RDF Remaining tasks Patch Review Commit User interface changes API changes Data model changes Release notes snippet RDF has been removed from core in 10. 3424615-test changes, plain diff MR !6. For example, 'sioc:Post' refers to the Post class of the SIOC vocabulary. Feb 19, 2008 · If we hash out a Drupal RDF schema, then this will also be "native" mapping. Include hook_uninstall(). zip zip 125. Project: project/rdf Marking this as priority major since it blocks [#3273976]. In addition, Drupal 7's theme layer---responsible for rendering the HTML elements---is able to inject RDFa markup in the Web pages it generates in Apr 8, 2024 · Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center. Through the rdf module, specified mappings will be embedded in HTML as RDFa, to provide semantically Mar 2, 2008 · Drupal RDF Schema proposal. Functions to describe entities and bundles in RDF. The RDF CCK module was designed for Drupal 6 and is no longer being supported. However, it might be that the value is needed right after the value is inserted (e. 5k 15 164 284. Knowledge representation and metadata Aug 30, 2008 · Neologism. 13 Steps to reproduce Proposed resolution Remaining tasks User interface changes API changes Data model changes. About issue forks. You need to setup a triple store into which this module will index the RDF data. RdfMapping unnecessarily adds a dependency on the module providing the target entity [#3111029] | Drupal. May 12, 2013 · If a username is over 20 characters than the RDF on a node page for the author is wrong. Apr 9, 2024 · The \\Drupal\\rdf_sync\\RdfSyncUriFieldItemList::postSave method is used to run the insert query into the `rdf_sync_uri` table. Other modules can define mappings of their data to RDF terms, and the RDF module makes this RDF data available to the theme. RDF can be serialized as RDFa in XHTML attributes * to augment visual data with machine-readable hints. rdftype: A special property used to define the type of the instance. Neologism is a lightweight web-based vocabulary editor and publishing tool built with Drupal. This might lead to cases where the value is requested from the database but is not found. Adjust existing RDF configs May 24, 2023 · The Drupal\\rdf\\Entity\\RdfMapping class does not correspond to entity type. So the only real difference is what the adapters look for. Do we want to deal it here or in follow-up? Mar 3, 2011 · 1 Answer. Dec 7, 2008 · FeedAPI RDF processor has a hook based mapping API for mapping feed data to RDF triples. php after upgrading to this release. Feb 20, 2022 · jandewit6 Credit Attribution: jandewit6. Although, yes, this could be "embedded" in feeds with a Drupal schema / namespace as well. The RDF Mappings API allows you to define your own mappings for content types and to alter existing mappings. Best Practices. The module is an extension of Meta Entity which uses the entity storage provided by SPARQL Entity Storage module. Drupal 7 comes with an inbuilt core RDF module. Security update. Learn more Other modules can define mappings of their data to RDF terms, and the RDF module makes this RDF data available to the theme. Changes since 2. Ideally, like Feed Element Mapper , it would support not only node-based mapping Apr 14, 2012 · Early Bird Registration for DrupalCon Portland 2024 is open! Register by 23:59 UTC on 18 March 2024, to get $100 off your ticket. Support from Acquia helps fund testing for Drupal. Also, a lot of the backend code of this module was ported into Drupal 8 core. Ensure that @see and @ingroup lines are always at the end of docblocks. Essentially there is a mapping between fields and RDF, so a title field could have a Apr 7, 2024 · Of course OWL is based on RDF, but the OWL-Adapter searches for owl:objectProperty etc. This issue asks for this change. in the triple store and not for rdf:property. Evoc Feb 26, 2015 · Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center. asked Nov 17, 2023 at 15:00. g. Mar 1, 2022 · Problem/Motivation This issue is to coordinate and track the steps needed to move RDF to contrib. org and build Content types based on schema. Feb 4, 2020 · Problem/Motivation In \Drupal\rdf\Entity\RdfMapping::calculateDependencies() it does: // Create dependency on the bundle. Mappings are defined between local Drupal entities and widely used vocabularies like Dublin Core, FOAF, SIOC, SKOS, etc. Bug fixes. 0 aside from deprecated code and dependency changes. The removal of RDF was approved in [#2152459] Proposed resolution Remaining tasks Move integrations implemented by other modules to RDF module Move RDF-related tests to RDF module, [#3293813] Move RDF-related Apr 18, 2013 · RDF indexer uses the Search API module to manage and perform indexing of the RDF data for entities present on your site. org. Jun 15, 2009 · As Drupal project lead Dries Buytaert pointed out in a blog post, Google has announced Rich Snippets - its first (of many, I'm sure) way of utilizing RDF and other semantic markup formats in its search results. Drupal 6 Feb 28, 2024 · Improve documentation [#3424465] | Drupal. The fact that data will be linked from web site to web site (regardless of the underlying technology running the site) will lead to powerful Semantic Web applications - most of which haven't even been imagined yet. Lullabot newsletter. Themes will work with the RDF module if they use the proper attributes variables. Mar 2, 2024 · Settings UI [#3425144] | Drupal. . Jul 8, 2013 · Early Bird Registration for DrupalCon Portland 2024 is open! Register by 23:59 UTC on 18 March 2024, to get $100 off your ticket. 4. This guide provides documentation about various APIs. yml 3. Still composer could not upgrade drupal "likely because it conflicts with another require. By providing precise meaning to a site's content, applications can take advantage of these machine-readable hints to link data together across sites in a myraid of ways. It does this by adding information around fields. Anyway, these two will need to keep an eye on each other. 96 KB. 1 [#3423347] | Drupal. data Learn more and find resources for Drupal 7 sites. callback: A function name to invoke for 'datatype'. It makes RDF vocabulary authoring easy and fun. The use of this module is discouraged as it is no longer being maintained. This value is either some text, another bundle, or a URI in general. 由此開始使用 May 29, 2009 · A User Interface in the contributed modules will allow users to edit these mappings in the same fashion as the RDF API or RDF CCK currently do for Drupal 6 - there might be a very simple UI in core to define the RDF class of custom content types (event, person, album), but we don't think there should be more than that. Sep 1, 2022 · RDF has been deprecated from core in 9. RDF is a W3C standard to * describe structured data. org in Drupal 8. Posted by scor on March 2, 2008 at 11:29am. MD5: Jun 18, 2009 · In the first three parts of this series, we've looked at what RDF will do for you as both a consumer and a provider of RDF data and we've had a quick primer on what exactly implementing RDF entails. This is the patch to create the core RDF module. 0 release notes. Steps to reproduce Proposed resolution Convert Drupal\\node\\Tests\\NodeAccessBaseTableTest to use the testing profile, not the standard profile. RDFx 2. The module depends on SPARQL entity storage, which in turn depends on EasyRDF and JsonLD. KR. Rss::render in core/ modules/ node/ src/ Plugin Feb 25, 2020 · RDF is a W3C standard for modeling and sharing distributed knowledge based on a decentralized open-world assumption. It provides almost the same public API as Drupal 10. Patch attached that changes the Drupal\rdf\Tests\UserAttributesTest to use longer usernames to show we have an issue. Description The module enables you to specify mappings between content types and fields with types and properties of Schema. Documentation for the Drupal 7 core RDF module. Remove it from Drupal 10. D9. Add composer dependence, so rdf module is installed as dependence with composer. Ensure that all functions, classes, interfaces Aug 31, 2022 · Problem/Motivation This module will be be removed from core in version 10. Trying to build a more complex version of a page using the layout builder, there are numerous Feb 16, 2022 · Allows storing metadata about an entity in entities having a SPARQL backend. Try to cover as much as is possible. 0: Task #3313046 by longwave, Wim Leers, bbrala: Refactor RDF tests to use core Drupal 10 themes #3307283 by phenaproxima, Spokje, longwave, bbrala: Reinstate deleted Views RSSField integration 具有親和力和強大的： Drupal 7. We need to agree on a roadmap to help ensure we all head in the same direction before rushing to our keyboards and posting patches on drupal. – apaderno ♦. Jan 27, 2012 · Problem/Motivation Part of meta-issue [#1310084] Proposed resolution Correct the following in the core rdf module: Ensure that all @return lines are preceded by a blank line. defining namespaces for serialization purposes. if a sync is forced in the code to run). Hi, I updated Drupal core from 9. Early Bird Registration for DrupalCon Portland 2024 is open! Register by 23:59 UTC on 18 March 2024, to get $100 off your ticket. * * The RDF module introduces RDF and RDFa to Drupal. 2) enable rdf taxonomy module add term to the root visit devel tab, parent field has the following "parent" => array:1 [ "x-default" => array:1 [ 0 => array:1 [ "target_id" => "0" ] ] ] visit the load (with references) devel tab, system generates the following issue TypeError: Drupal\\sparql_entity_storage\\Entity\\Query\\Sparql Can we use first and third party cookies and web beacons to understand our audience, and to tailor promotions you see? Yes, please No, do not track me Jan 10, 2024 · 3413718-allow-new-entities changes, plain diff MR !12. The attached schema represents the mappings between the current Drupal data structure and the proposed RDF Schema, reusing existing ontologies such as Dublin Core, FOAF, SIOC and SKOS. I have successfully installed Drupal on my Windows 7 m/c. Site is 93% compatible only classy and stable are reported by upgrade status not compatible. It deals with managing the mappings defined by the modules and provides a helper function for generating some of the RDFa attributes for the theme layer. Feb 29, 2024 · Issue fork rdf_sync-3424615. Modules can define prefix bindings by Jun 16, 2009 · Even if you're not ready to implement RDF into your Drupal site, there's still a number of reasons why you should be excited about the Semantic Web. In 2009, Stéphane "scor" Corlosquet and others published Produce and Consume Linked Data with Drupal! Which presents the approach for using Drupal (or any Nov 8, 2010 · Drupal 7's internal data structures are mapped to RDF by default, thereby allowing data which was previously locked in data silo governed by obscure schemas to now be open to the Web of Data world. Rather than apply that patch, however, I simply renamed the directory. Join the slack channel Oct 13, 2016 · There are two ways to map taxonomy to RDF Each term can be handled as a resource with its own URI. 0-alpha6 (executive summary): There are important database changes. RDF is a W3C standard for modeling and sharing distributed knowledge based on a decentralized open-world assumption. Nov 19, 2023 · 97. The prefix 'sioc' used in this CURIE is bound to the SIOC vocabulary namespace via the prefix or xmlns: attributes in RDFa. type: A string used to determine the type of RDFa markup which will be used in the final HTML output, depending on whether the RDF object is a literal text or another RDF resource. The RDF module introduces RDF and RDFa to Drupal. Show commands. These mappings are stored in arrays and can be defined via programming in the modules. querying, inserting, updating, and deleting RDF data. 5 with composer, but could not upgrade to Drupal 10. Official line is that this will allow Google to provide "rich snippets" such as star-ratings, contact Dec 8, 2013 · Deprecate RDF in Drupal 9. - Default RDF mappings are no longer automatically set for common properties, but instead they need Apr 29, 2014 · Problem/Motivation Speed up testbot and simplify tests by using the testing profile instead of the standard profile. If you are generating HTML outside of the core theming system (which seems unusual), you will need to get this information yourself. php to add our RDFa attributes around each field formatter. If you are new to structured data and RDF, the following video gives an introduction to the basic RDF Oct 6, 2020 · RDF/RDFa is major new functionality in Drupal 7 which describes Drupal entities (nodes, user, comments, terms) and their relationship in a format machines can understand. If you want to use the RDF module with Drupal 10, you need to use the contributed module. As suggested by the rdf_entity module itself, the following steps can be taken in order to update rdf_skos in production: Jun 17, 2009 · RDF is normally implemented using XML; while this is possible with Drupal, RDFa allows Drupal to implement RDF as part of the standard content displays. It supports all entity types. For instance, on the standard Article content type, the tags are handled as resources with their own URIs. Dec 21, 2016 · For example, the 'date_iso8601' callback is used to convert the creation date from the Unix timestamp that is stored in the Drupal database to the ISO 8601 format used in RDF. 1. tpl. // Because I have a local instance of Virtuoso. Learn more Dec 20, 2012 · Hi folks, I've developed a small module for automatically aliasing RDF document URLs using pathauto in Drupal. It would be great if someone could share some example or any post or any document which helps me to do it. This abstract mapping can then be used to publish the content contained in these bundles, enabling you to serialize the RDF into a number of different formats The Schema. RDF-UI 3. org May 30, 2022 · Learn about the many benefits of Drupal 10 and find migration tools in our resource center. Each RDF mapping is attached to its appropriate property definition in the the Entity API property info. This project is not covered by Drupal’s security advisory policy. Just create a vocabulary, add classes and properties to it, and your vocabulary is instantly published and available online! Dec 25, 2022 · Pretty new and basic site with Drupal 9. 0-alpha1, the rdf_entity module dependency has been removed and instead the sparql_entity_storage module has been introduced (see the rdf_entity module's Readme for more information). 2. Join the channel to discuss questions about Drupal 10 anytime. 4. module Feb 25, 2020 · RDF module overview. Oct 21, 2022 · Fixes tests and views integration. I'd like to share some quick thoughts on how Drupal Data could be described in RDF. If you The function reads the rdf_mapping object from the current configuration, or returns a ready-to-use empty one if no configuration entry exists yet for this bundle. Each field is then described in terms of the RDF mapping: predicates : An array of RDF predicates which describe the relation between the bundle (RDF subject) and the value of the field (RDF object). The is quite well documented. Structured data makes your site's content easy to re-use and display in useful ways. You must run update. Any knowledge about anything can be decomposed into triples (3-tuples) consisting of subject, predicate, and object; essentially, RDF is the lowest common denominator for exchanging data between systems. I came up with this idea while recently working on Drupal-7 for a Semantic-Web project. 0. The core modules define RDF mappings for their data model, and the core themes output this RDF metadata information along with the human-readable visual information. drupal. The RDF Module embeds RDFa, a form of linked data, within the Drupal-generated HTML when you load the web page for a node, media, or taxonomy term. Jun 21, 2023 · If so, replace drupal:rdf by rdf:rdf in *. Thanks and Regards, Manish H Other modules can define mappings of their data to RDF terms, and the RDF module makes this RDF data available to the theme. module Implements hook_preprocess_HOOK() for HTML document templates. I met up with John and Alexandre from the SIOC project and we came up with the following approach. Detailed information about individual API functions is available from api. 具有親和力和強大的：. 8 to 9. Minimum requirements. pf fy op yp um vk bm md on ir