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© 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Ignacio Hernández-Ros Technology development XBRL International Using XQuery to process.

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Presentación del tema: "© 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Ignacio Hernández-Ros Technology development XBRL International Using XQuery to process."— Transcripción de la presentación:

1 © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Ignacio Hernández-Ros Technology development XBRL International Using XQuery to process XBRL

2 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Using XQuery to process XBRL 1.Whats XQuery? 2.Whats the relationship between XBRL and XQuery? 3.Using the XBRL functions library 8 10 8

3 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats XQuery XQuery is a W3C standard http://www.w3.org/TR/xquery/ The status is Candidate Release 3 Nov. 2005 XQuery is an extension of XPath 2.0 Defines semantics about processing XML information Is not related to any database or storage system

4 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats XQuery But … the most important thing is how XQuery gives you productivity Development effort C/C++ Java/.netXQuery Notes: 1.XQuery is not so powerful as the other programming languages. 2.XQuery execution performance is comparable with scripts over compiled programming languages. 3.XQuery development requires deep XML knowledge and related technologies like XPath 2.0

5 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats XQuery Comparing XQuery with XPath 2.0 –Both have more things in common than differences. –A way to do the research is to look at the differences in the processing model of both languages.

6 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal What is XQuery XQuery over XPath 2.0 Find the 3 differences XQuery XPath 2.0

7 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal What is XQuery 3 – XQuery query prolog supports parameterization of the execution engine XQuery XPath 2.0

8 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal What is XQuery 1 – XQuery supports modules and modules contains functions –Functions encapsulate the XQuery complexity from the business side –Modules may be stored in web servers XQuery XPath 2.0

9 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal What is XQuery 2 – XQuery supports XML Schema type checking and validation XQuery XPath 2.0

10 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal What is XQuery So, XQuery supports: –modules and –strong XML schema validation. –Plus a uniform platform to access/execute the code. These two characteristics make XQuery a powerful language to process XML/XBRL infosets.

11 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats the relationship between XBRL and XQuery? Is there any relationship? –NOT YET If there were relationships, what might they be? –The Formula linkbase already uses XPath 2.0 –XPath 2.0 can use functions defined in XQuery modules –A linkbase may declare the XQuery modules where the required functions are defined

12 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats the relationship between XBRL and XQuery? XBRL Taxonomy Labels lb Presentation lb Calculation lb Reference lb Definition lb

13 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats the relationship between XBRL and XQuery? XBRL Taxonomy Labels lb Presentation lb Calculation lb Reference lb Definition lb Formula lb

14 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats the relationship between XBRL and XQuery? XBRL Taxonomy Labels lb Presentation lb Calculation lb Reference lb Definition lb Formula lb Functions module Functions module Functions modules

15 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats the relationship between XBRL and XQuery? Formula lb Functions module Functions module Functions modules Should contain: Locators to taxonomy concepts Resources of multiple types References to modules Constants definitions Variable definitions Business side of the formula Arcs Linking all together Should contain: Other modules Other XML Schemas IT side of the formula This is, the real formula implementation for any XBRL element regardless of the taxonomy in use

16 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats the relationship between XBRL and XQuery? Formula lb Functions module Functions module Functions modules Example(*): xquery version 1.0; module namespace xfi = http://xbrl.org/2006/functions; import schema namespace xl = "http://www.xbrl.org/2003/XLink" at "http://www.xbrl.org/2003/xl-2003-12-31.xsd"; declare function xfi:CheckMovement($instantVar as schema- element(xbrli:item),$durationVar as schema-element(xbrli:item), $period as xdt:yearMonthDuration) as boolean { if (…) then true() else false() }; (*) Examples do not represent the syntax of the XII formula linkbase (under development)

17 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats the relationship between XBRL and XQuery? Formula lb Functions module Functions module Functions modules Example(*): xquery version 1.0; module namespace xfi = http://xbrl.org/2006/functions; import schema namespace xl = "http://www.xbrl.org/2003/XLink" at "http://www.xbrl.org/2003/xl-2003-12-31.xsd"; declare function xfi:CheckMovement($instantVar as schema- element(xbrli:item),$durationVar as schema-element(xbrli:item), $period as xdt:yearMonthDuration) as boolean { if (…) then true() else false() }; (*) Examples do not represent the syntax of the XII formula linkbase (under development) Formula processors would be free to use the XQuery version of the function or a local (faster) version

18 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Whats the relationship between XBRL and XQuery? Tools will hide the complexity of the formula linkbase in the business side. Functions should be developed by people that: –Understand XBRL –Understand XQuery –Some might be written by the XII Spec WG Functions are reusable material between taxonomies

19 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Using the XBRL functions library During the development of the formula/functions XBRL specification, a set of functions to work with XBRL has been defined (IWD of the spec WG) Those functions will be part of the final XBRL functions specification All of those functions are now implemented in an XQuery module (xfi) xf-2006.xq as a Proof of Concept

20 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Using the XBRL functions library That XQuery module can be used to –Learn XQuery and how XQuery can process XBRL –Develop higher level functions For testing instance document content For transforming instance documents For providing feedback to the Spec WG …

21 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Using the XBRL functions library Yes but how can I do that? –You need: An XQuery processor (e.g., Altova XML Spy, Saxon, …) A sample instance document XQuery code written by you XBRL Instance XQuery processor Your XQuery XII XQuery Module Output XML

22 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Using the XBRL functions library Function blocks: –Accessor functions: provide access to content in the instance document. Contexts, units, periods, segments, entities, facts, tuples etc. –Constructor functions: allow dynamic creation of instance documents –Taxonomy functions: allow navigation throw the taxonomy and linkbases –Utility functions: files in the DTS etc…

23 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Using the XBRL functions library They are low level functions Required to start building high level functions Running the example …

24 Haga clic para cambiar el estilo de título Haga clic para modificar el estilo de subtítulo del patrón © 2006 XBRL International, All Rights Reservedwww.xbrl.org/Legal Thank you!

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