This workshop is intended for Connecticut Digital Archive participants to introduce them to xml and how MODS or metadata object description schema is implemented in the CTDA.
This document provides an introduction to XML Schema, including:
- XML Schema defines the structure and legal elements of an XML document, similar to a DTD.
- XML Schema supports data types, which makes validating data easier.
- XML Schemas are written in XML syntax, allowing them to be edited, parsed, and manipulated using XML tools.
- XML Schemas help secure data communication by ensuring mutual understanding of data formats.
- XML Schemas are extensible and can reference other schemas.
- Examples are provided of a simple XML document and its corresponding XML Schema.
The document discusses XML DOM and SAX. XML DOM defines a standard for accessing and manipulating XML documents and is a W3C standard. The XML DOM defines the objects and properties of all XML elements and methods to access them. SAX is an event-based parser API that provides an alternative to DOM for reading XML documents sequentially. SAX parsers have lower memory requirements than DOM parsers but validation requires access to the full document, which SAX does not provide.
There are similarities between XML and databases in terms of storage, querying, and APIs. Storing XML in databases allows for indexing, efficient storage, and support for multiple users, transactions, security, and locking. XML documents can be stored in databases either as data-centric or document-centric documents. Data-centric XML is usually generated by systems and element order does not matter, while document-centric XML has unpredictable structure and element order is important. Native XML databases store XML as the fundamental unit, while XML-enabled databases convert XML to a database model, which can result in loss of information like element order. Web services use XML languages like SOAP and WSDL to enable interoperable machine-to-machine communication over
The document presents an overview of XML and its usage and relationship to databases. It discusses how XML is a markup language used to transport, store, and share data. While XML is useful for small to medium amounts of data, it lacks features of relational databases and is less suitable for large data. The document also covers XML characteristics like being tag-based and user-defined, as well as how XML schema and validation are used.
This document discusses Document Type Definitions (DTDs) which define the legal building blocks of an XML document including elements and attributes. It explains that a DTD can be declared inline or externally. The key purposes of a DTD are to allow data interchange between groups using a standard definition, and to validate received and internal data. The document defines XML building blocks like PCDATA and CDATA, and how to declare elements as empty, containing parsed character data, having any contents, or containing child elements with defined occurrences. It also distinguishes between internal and external DTD declarations.
This document discusses different methods for data modeling XML documents, including DTD, XDR schemas, and XML Schema (XSD). DTD is the oldest technology and is part of the XML specification. XDR schemas are proprietary to Microsoft. XSD is a W3C standard that allows specifying data types and has broader vendor support than XDR. The document provides examples of each and notes advantages and disadvantages of DTDs compared to the other methods.
XML is widely used for data storage and sharing. It separates data from display, allowing data to be stored in XML files and displayed in HTML pages. This simplifies updating dynamic data without changing HTML. XML also simplifies data sharing between incompatible systems by storing data in a plain text format. Key features of XML include separating data from display, simplifying data sharing and transport between incompatible systems, and increasing data availability to different applications and devices.
This workshop is intended for Connecticut Digital Archive participants to introduce them to xml and how MODS or metadata object description schema is implemented in the CTDA.
This document provides an introduction to XML Schema, including:
- XML Schema defines the structure and legal elements of an XML document, similar to a DTD.
- XML Schema supports data types, which makes validating data easier.
- XML Schemas are written in XML syntax, allowing them to be edited, parsed, and manipulated using XML tools.
- XML Schemas help secure data communication by ensuring mutual understanding of data formats.
- XML Schemas are extensible and can reference other schemas.
- Examples are provided of a simple XML document and its corresponding XML Schema.
The document discusses XML DOM and SAX. XML DOM defines a standard for accessing and manipulating XML documents and is a W3C standard. The XML DOM defines the objects and properties of all XML elements and methods to access them. SAX is an event-based parser API that provides an alternative to DOM for reading XML documents sequentially. SAX parsers have lower memory requirements than DOM parsers but validation requires access to the full document, which SAX does not provide.
There are similarities between XML and databases in terms of storage, querying, and APIs. Storing XML in databases allows for indexing, efficient storage, and support for multiple users, transactions, security, and locking. XML documents can be stored in databases either as data-centric or document-centric documents. Data-centric XML is usually generated by systems and element order does not matter, while document-centric XML has unpredictable structure and element order is important. Native XML databases store XML as the fundamental unit, while XML-enabled databases convert XML to a database model, which can result in loss of information like element order. Web services use XML languages like SOAP and WSDL to enable interoperable machine-to-machine communication over
The document presents an overview of XML and its usage and relationship to databases. It discusses how XML is a markup language used to transport, store, and share data. While XML is useful for small to medium amounts of data, it lacks features of relational databases and is less suitable for large data. The document also covers XML characteristics like being tag-based and user-defined, as well as how XML schema and validation are used.
This document discusses Document Type Definitions (DTDs) which define the legal building blocks of an XML document including elements and attributes. It explains that a DTD can be declared inline or externally. The key purposes of a DTD are to allow data interchange between groups using a standard definition, and to validate received and internal data. The document defines XML building blocks like PCDATA and CDATA, and how to declare elements as empty, containing parsed character data, having any contents, or containing child elements with defined occurrences. It also distinguishes between internal and external DTD declarations.
This document discusses different methods for data modeling XML documents, including DTD, XDR schemas, and XML Schema (XSD). DTD is the oldest technology and is part of the XML specification. XDR schemas are proprietary to Microsoft. XSD is a W3C standard that allows specifying data types and has broader vendor support than XDR. The document provides examples of each and notes advantages and disadvantages of DTDs compared to the other methods.
XML is widely used for data storage and sharing. It separates data from display, allowing data to be stored in XML files and displayed in HTML pages. This simplifies updating dynamic data without changing HTML. XML also simplifies data sharing between incompatible systems by storing data in a plain text format. Key features of XML include separating data from display, simplifying data sharing and transport between incompatible systems, and increasing data availability to different applications and devices.
The document provides an introduction to XML, including that it is defined by the W3C as a markup language for documents and data interchange. XML allows users to define their own tags and has become widely used for data exchange between organizations. Key aspects of XML covered include elements, attributes, nesting of elements to represent relationships between data, and using Document Type Definitions (DTDs) or XML Schema to constrain the structure and relationships of XML documents.
The document provides an introduction to XML, explaining that it stands for Extensible Markup Language and is used to carry data rather than display it. XML tags are user-defined rather than predefined. It also discusses how XML separates data from HTML/display, and simplifies data transport between systems. Key aspects of XML like elements, attributes, and being well-formed are summarized.
A comparison of a database table to an XML document. There is an overview of basic XML concepts suchs as attribute, element, entity, and tag. Data centric and document centric XML document are covered.
The document discusses XML, including its benefits over HTML and how XML documents are structured. It defines XML, describes how XML addresses limitations of HTML, and outlines the key components of an XML document, including elements, attributes, comments, and more. The goal is to introduce XML and explain how to build a basic but complete XML document.
The document discusses XML schemas. It explains that an XML schema describes the structure of an XML document and is an alternative to DTDs. It is written in XML and supports data types and namespaces. The document provides examples of simple XML schemas defining elements and attributes, and using restrictions to define acceptable values for elements and attributes.
This document discusses the structure and components of an XML document. It explains that an XML document consists of elements, attributes, comments, processing instructions, and a document type declaration. It describes each of these components in detail, including their purpose and general syntax. The document type declaration identifies the document and can reference an internal or external DTD that defines the valid elements and attributes.
The XML Document Mining Challenge aims to bridge the gap between information retrieval and machine learning by using structured document classification tasks as an application context. The challenge has two parts: the first part in 2005 involved categorization/clustering of XML documents, while the current part also includes a structure mapping task. The goal is to develop new machine learning models that can handle structured and large-scale real-world data.
This document summarizes a seminar on XML and XML processors. It introduces XML and compares it to HTML. It describes the structure of an XML document including the prolog, data instance, and logical and physical structures. It also discusses XML processors and parsers, including DOM and SAX parsers. The document provides examples of DOM and SAX parsing approaches.
XML and HTML have some key differences - XML provides user-definable tags while HTML has a defined set of tags for web display. XML is content-driven and end tags are essential, whereas HTML is format-driven and end tags are not always required. XML also requires quotes around attribute values and a slash in empty tags.
The document discusses XML (eXtensible Markup Language) in 3 paragraphs:
1) It defines XML as a markup language used to provide extra information about a document by adding tags. HTML uses tags to tell browsers how to display documents, while XML tags give readers an idea of what the data means and separates presentation from data.
2) XML documents are used to transfer data, often over the internet. XML subsets are designed for particular applications like RSS for news feeds. Fields also have their own subsets registered with the W3C.
3) XML is popular because it allows complex structured data to be transmitted efficiently as a simple text stream but also processed as a rich object model in receiving applications.
XML Schema defines rules for encoding documents in a machine-readable format. It allows data exchange between systems independently of programming languages. XML Schema defines elements, attributes, and data types to structure XML documents. It provides more data typing capabilities than DTDs. Namespaces are used to avoid element name conflicts between different XML vocabularies. User-defined types can restrict built-in types or create new complex types from simple types to structure application-specific data.
XML presentation discusses XML (Extensible Markup Language). It describes XML as a text-based markup language derived from SGML that is extensible and carries data without presenting it. The document provides examples of XML documents and elements like articles, authors, titles, and text. It also discusses XML syntax rules, namespaces to avoid element name conflicts, and the importance of XML for data transfer, configuration files, schemas/templates, and more. Querying XML data with XPath and XQuery is also introduced.
XML is a markup language that structures, stores, and sends information. It allows users to define their own tags for structuring data. There are two major types of XML databases: XML-enabled databases that map XML to a traditional database, and native XML databases that use XML documents as the fundamental unit of storage. XML documents must follow rules like starting with an XML declaration, having a root element, and properly nesting elements. Common ways to query XML data include XPath and XQuery.
XML is a markup language that is used to transport and store data. It uses tags and attributes to provide extra information about the data. XML documents are structured as trees, with a single root element and child elements nested within parent elements. The structure and elements of an XML document can be defined using a DTD or XML schema. Benefits of XML include being text-based, modular, and able to represent semantics along with data, while obstacles include verbosity and lack of intrinsic data types.
XML (eXtensible Markup Language) is designed to transport and store data. It is important to know as it is easy to learn and allows data to be stored in a regular and consistent notation that can be processed faster and rearranged more easily. XML documents must have a root tag and follow syntax rules around tags, nesting, and attributes. XML is not a replacement for HTML as they have different goals around displaying versus describing information.
The document discusses Document Type Definitions (DTDs) and XML parsers. It provides information on:
- What a DTD is and how it defines the legal elements and structure of an XML document.
- The different types of XML parsers, including non-validating parsers that only check well-formedness, and validating parsers that also check if a document conforms to a DTD.
- How DTDs can be internal, contained within an XML file, or external, stored in a separate file and linked to from the XML file. DTDs help ensure different people and programs can read each other's XML files by defining the allowed elements and attributes.
XML Schema is an XML-based alternative to DTDs that defines the structure and legal elements and attributes of an XML document. An XML Schema describes elements, attributes, data types, restrictions, and more. Schemas are more powerful than DTDs and support namespaces, data types, extensibility, and validation of XML documents.
XML is everywhere. Computers, Mobiles, Bank Systems, Internet, TVs, Microwaves, all use XML as an Information Wrapping and Information Xchange System. We will tell you all the basics in a simplest possible way.
XML (eXtensible Markup Language) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. It is designed to transport and store data with a focus on what data is. XML has several advantages over HTML such as being extensible, content-oriented, and providing a standard data infrastructure and data validation capabilities. XML documents form a tree structure with properly nested elements. XML uses tags to mark elements and attributes to provide additional information about elements.
This document provides instructions for adding, replacing, or deleting datastreams for Fedora digital objects. It explains that some datastreams like OBJ are required and cannot be deleted. It describes how to replace a datastream by selecting the datastream, browsing for a new file, and clicking "Add Contents". It also outlines how to add a new datastream by clicking "+ Add a datastream", filling out the datastream ID and label, uploading a file, and clicking "Add Datastream". Formats for some common datastreams like MODS (xml) and TN (jpg, png) are also specified.
The document provides an introduction to XML, including that it is defined by the W3C as a markup language for documents and data interchange. XML allows users to define their own tags and has become widely used for data exchange between organizations. Key aspects of XML covered include elements, attributes, nesting of elements to represent relationships between data, and using Document Type Definitions (DTDs) or XML Schema to constrain the structure and relationships of XML documents.
The document provides an introduction to XML, explaining that it stands for Extensible Markup Language and is used to carry data rather than display it. XML tags are user-defined rather than predefined. It also discusses how XML separates data from HTML/display, and simplifies data transport between systems. Key aspects of XML like elements, attributes, and being well-formed are summarized.
A comparison of a database table to an XML document. There is an overview of basic XML concepts suchs as attribute, element, entity, and tag. Data centric and document centric XML document are covered.
The document discusses XML, including its benefits over HTML and how XML documents are structured. It defines XML, describes how XML addresses limitations of HTML, and outlines the key components of an XML document, including elements, attributes, comments, and more. The goal is to introduce XML and explain how to build a basic but complete XML document.
The document discusses XML schemas. It explains that an XML schema describes the structure of an XML document and is an alternative to DTDs. It is written in XML and supports data types and namespaces. The document provides examples of simple XML schemas defining elements and attributes, and using restrictions to define acceptable values for elements and attributes.
This document discusses the structure and components of an XML document. It explains that an XML document consists of elements, attributes, comments, processing instructions, and a document type declaration. It describes each of these components in detail, including their purpose and general syntax. The document type declaration identifies the document and can reference an internal or external DTD that defines the valid elements and attributes.
The XML Document Mining Challenge aims to bridge the gap between information retrieval and machine learning by using structured document classification tasks as an application context. The challenge has two parts: the first part in 2005 involved categorization/clustering of XML documents, while the current part also includes a structure mapping task. The goal is to develop new machine learning models that can handle structured and large-scale real-world data.
This document summarizes a seminar on XML and XML processors. It introduces XML and compares it to HTML. It describes the structure of an XML document including the prolog, data instance, and logical and physical structures. It also discusses XML processors and parsers, including DOM and SAX parsers. The document provides examples of DOM and SAX parsing approaches.
XML and HTML have some key differences - XML provides user-definable tags while HTML has a defined set of tags for web display. XML is content-driven and end tags are essential, whereas HTML is format-driven and end tags are not always required. XML also requires quotes around attribute values and a slash in empty tags.
The document discusses XML (eXtensible Markup Language) in 3 paragraphs:
1) It defines XML as a markup language used to provide extra information about a document by adding tags. HTML uses tags to tell browsers how to display documents, while XML tags give readers an idea of what the data means and separates presentation from data.
2) XML documents are used to transfer data, often over the internet. XML subsets are designed for particular applications like RSS for news feeds. Fields also have their own subsets registered with the W3C.
3) XML is popular because it allows complex structured data to be transmitted efficiently as a simple text stream but also processed as a rich object model in receiving applications.
XML Schema defines rules for encoding documents in a machine-readable format. It allows data exchange between systems independently of programming languages. XML Schema defines elements, attributes, and data types to structure XML documents. It provides more data typing capabilities than DTDs. Namespaces are used to avoid element name conflicts between different XML vocabularies. User-defined types can restrict built-in types or create new complex types from simple types to structure application-specific data.
XML presentation discusses XML (Extensible Markup Language). It describes XML as a text-based markup language derived from SGML that is extensible and carries data without presenting it. The document provides examples of XML documents and elements like articles, authors, titles, and text. It also discusses XML syntax rules, namespaces to avoid element name conflicts, and the importance of XML for data transfer, configuration files, schemas/templates, and more. Querying XML data with XPath and XQuery is also introduced.
XML is a markup language that structures, stores, and sends information. It allows users to define their own tags for structuring data. There are two major types of XML databases: XML-enabled databases that map XML to a traditional database, and native XML databases that use XML documents as the fundamental unit of storage. XML documents must follow rules like starting with an XML declaration, having a root element, and properly nesting elements. Common ways to query XML data include XPath and XQuery.
XML is a markup language that is used to transport and store data. It uses tags and attributes to provide extra information about the data. XML documents are structured as trees, with a single root element and child elements nested within parent elements. The structure and elements of an XML document can be defined using a DTD or XML schema. Benefits of XML include being text-based, modular, and able to represent semantics along with data, while obstacles include verbosity and lack of intrinsic data types.
XML (eXtensible Markup Language) is designed to transport and store data. It is important to know as it is easy to learn and allows data to be stored in a regular and consistent notation that can be processed faster and rearranged more easily. XML documents must have a root tag and follow syntax rules around tags, nesting, and attributes. XML is not a replacement for HTML as they have different goals around displaying versus describing information.
The document discusses Document Type Definitions (DTDs) and XML parsers. It provides information on:
- What a DTD is and how it defines the legal elements and structure of an XML document.
- The different types of XML parsers, including non-validating parsers that only check well-formedness, and validating parsers that also check if a document conforms to a DTD.
- How DTDs can be internal, contained within an XML file, or external, stored in a separate file and linked to from the XML file. DTDs help ensure different people and programs can read each other's XML files by defining the allowed elements and attributes.
XML Schema is an XML-based alternative to DTDs that defines the structure and legal elements and attributes of an XML document. An XML Schema describes elements, attributes, data types, restrictions, and more. Schemas are more powerful than DTDs and support namespaces, data types, extensibility, and validation of XML documents.
XML is everywhere. Computers, Mobiles, Bank Systems, Internet, TVs, Microwaves, all use XML as an Information Wrapping and Information Xchange System. We will tell you all the basics in a simplest possible way.
XML (eXtensible Markup Language) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. It is designed to transport and store data with a focus on what data is. XML has several advantages over HTML such as being extensible, content-oriented, and providing a standard data infrastructure and data validation capabilities. XML documents form a tree structure with properly nested elements. XML uses tags to mark elements and attributes to provide additional information about elements.
This document provides instructions for adding, replacing, or deleting datastreams for Fedora digital objects. It explains that some datastreams like OBJ are required and cannot be deleted. It describes how to replace a datastream by selecting the datastream, browsing for a new file, and clicking "Add Contents". It also outlines how to add a new datastream by clicking "+ Add a datastream", filling out the datastream ID and label, uploading a file, and clicking "Add Datastream". Formats for some common datastreams like MODS (xml) and TN (jpg, png) are also specified.
This was a presentation for the Connecticut Library Association 2016. It introduces how the Connecticut Digital Archive came to be, the challenges of the CTDA and how it is moving forward.
The CTDA is a digital archive program hosted by the University of Connecticut Library in collaboration with the Connecticut State Library. It offers long-term preservation services for digital content from Connecticut non-profits. Services include technical infrastructure, support, governance, education and contributing content to the Digital Public Library of America and ResearchIT. Participation is open to organizations like libraries, historical societies, and museums. Governance is collaborative rather than directive. The CTDA provides training and documentation on adding and managing content. It works to ensure stable infrastructure through software updates, server maintenance, and new feature development. Recent updates include migrating websites to Drupal and developing new tools for batch ingest, geospatial content, and newspaper pages. Plans for the
The document summarizes updates and developments with the Connecticut Digital Archive (CTDA) between 2013 and 2016. It notes that the CTDA has expanded from hosting a single collection from one institution to including over 300,000 digital objects from 40+ cultural heritage institutions across Connecticut. It highlights new features like improved search capabilities that allow searching across collections from different institutions. The document also outlines the CTDA's phases of infrastructure building, collection building, and future plans to improve connection building and transition to new technical platforms and architectures by 2018.
The document discusses a program called the CTDA that helps organizations better preserve their digital assets through facilitated participation in shared infrastructure with local control. The CTDA provides preservation services, but does not control how organizations use or share their content. It aims to make technology invisible and minimize demands on participants while providing options for digital preservation and information organization. The goal is to empower participants as stewards of their own digital content.
- Compound objects in Islandora group sets of related digital objects together without requiring a specific presentation order, similar to how a postcard has a front and back.
- To create a compound object, relevant child objects are first ingested individually or as a batch. Their PIDs are recorded.
- A parent object is then created using the Islandora Compound Object model and populated by adding each child object PID one by one. The order affects presentation of the compound object.
The CTDA has seen significant growth in 2016, with digital assets increasing over 45% to over 412,547 assets. Records harvested also grew by over 43% to 49,923 records. New participants were added and functionality was expanded. Governance committees met regularly to discuss initiatives and projects. Education and training sessions were provided, including a user conference and workshops. The sites and systems performed reliably with over 98% uptime. Feedback from surveys was generally positive and highlighted areas for further improvement and reporting.
This how to document provides a step by step guide on how to use the Islandora Manuscript Content Model to ingest a TEI encoded xml file and one or more scanned images of a text such as a manuscript.
This document introduces Open Refine, an open source tool for cleaning and profiling messy data. It discusses how data from various sources can be inconsistent and inaccurate, and how Open Refine allows users to visualize their data, manipulate it to correct errors, and learn about the nature of the data. The basics of Open Refine involve using its interface and built-in transformations as well as custom functions like GREL and regular expressions to clean and restructure data.
The document provides an overview of web services and related technologies including JAXB, SOAP, WSDL, XML-RPC, and SOAP. It defines key concepts such as service description, discovery, and invocation. It describes the SOAP envelope and how SOAP messages are exchanged over HTTP. It also summarizes WSDL elements and how WSDL is used to describe web service interfaces, bindings and endpoints.
The document provides an overview of XML (Extensible Markup Language), XML schema, XML structure, and basic XML coding. It then discusses XSL (Extensible Stylesheet Language), XSLT (Extensible Stylesheet Language Transformations), XPath (XML Path Language), and provides an example of using XSL to transform an XML document.
XML stands for eXtensible Markup Language. It is used to store and transport structured data. XML allows users to define their own tags for marking up data with a tree structure, with one root element. Key features of XML include being extensible, using markup tags, and describing data in a human- and computer-friendly format. XML is commonly used for transporting data between systems and long-term storage of structured data.
The document discusses XML, XSLT, and XSL-FO, explaining that XML is used to store and exchange data, XSLT transforms XML documents, and XSL-FO formats XML data for output to different mediums like screens and paper. It also provides examples of using these technologies together and with Java or CSS to display XML content in different formats.
unit_5_XML data integration database managementsathiyabcsbs
The document discusses XML querying using XPath. It begins with an overview of XPath, describing it as a language for defining templates that traverse the XML tree to select nodes. It then provides examples of basic XPath queries on an sample XML document, including queries to select elements, attributes, and text nodes. The document also covers more advanced XPath features such as predicates for filtering query results, different axes for traversing the tree in various directions, and functions for querying node position and order.
XML is a markup language similar to HTML but designed for structured data rather than web pages. It uses tags to define elements and attributes, and can be validated using DTDs or XML schemas. XML documents can be transformed and queried using XSLT and XPath respectively. SAX is an event-based parser that reads XML sequentially while DOM loads the entire document into memory for random access.
DATA INTEGRATION (Gaining Access to Diverse Data).pptcareerPointBasti
XML provides a standard way to represent and exchange data. It defines elements, which can contain text or other nested elements, and attributes. XML documents can be validated against DTDs or XML schemas, which define allowed structures and datatypes. XML data can be queried using XPath expressions, which select elements or attributes based on their path in the XML tree and optional predicates. XPath allows traversing relationships both vertically and horizontally in the tree structure.
XSLT is a language for transforming XML documents into other formats like XHTML. It works by applying templates defined in an XSL stylesheet to an XML source document. Key components of XSLT include:
- The <xsl:template> element defines templates that are applied to parts of the XML document matched by an XPath expression
- The <xsl:value-of> element extracts the value of an XML element to include in the output
- The <xsl:for-each> element loops through matching elements to repeatedly apply templates
XSLT is a language for transforming XML documents into other formats like XHTML. It works by applying templates defined in an XSL stylesheet to an XML source document. Key components of XSLT include:
- The <xsl:template> element defines templates that are applied to parts of the XML document matched by an XPath expression
- The <xsl:value-of> element extracts the value of an XML element to include in the output
- The <xsl:for-each> element loops through matching elements to repeatedly apply templates
This document provides an introduction to XSLT by defining key terms like XML, XML Namespaces, HTML, XHTML, XPath, and describing what XSLT is and how it transforms XML documents into other formats like HTML. It explains some of the core components of XSLT including using XPath to select nodes in an XML document and templates defined using xsl:template that transform matched parts of the source XML.
An XML schema describes the structure and elements of an XML document. It defines elements, attributes, data types, properties like required/optional, and relationships between elements. XML schema is more powerful than older DTD schemas as it allows defining data types and namespaces. Schemas are written in XML syntax, making them easy to read, write and process using standard XML tools. This document provides examples of simple and complex element definitions in an XML schema.
An XML schema describes the structure and elements of an XML document. It defines elements, attributes, data types, properties like required/optional, and relationships between elements. XML schema is more powerful than older DTD schemas as it allows defining data types and namespaces. Schemas are written in XML syntax, making them easy to read, write and process using standard XML tools. This document provides examples of simple and complex element definitions in an XML schema.
XML stands for Extensible Markup Language and was designed to store and transport data in a human- and machine-readable format. XSLT (Extensible Stylesheet Language Transformations) is used to transform XML documents into other document formats, usually XHTML. XSLT uses an XML document containing the data and an XSL stylesheet containing commands to transform the data and insert it into an output framework. An XML schema describes the structure of an XML document like a DTD. It ensures XML documents are both well-formed through valid syntax and valid through validation against the schema. XML schemas allow complex element and attribute declarations including data types and use requirements.
This document discusses XML principles for data integration and exchange. It provides an overview of XML, including its data model, schema languages like DTDs and XML Schema, and querying languages like XPath and XQuery. XML allows hierarchical and semi-structured data to be encoded and exchanged in a standard format. Schema languages provide structure and typing, while query languages like XPath allow selecting subsets of XML documents.
The document discusses XML (eXtensible Markup Language) and XML schemas. It defines XML as a file format used to store hierarchical data marked with custom tags. XML files are human and machine-readable as they are plain text. The document then discusses how XML separates data from presentation, does not use predefined tags, and is extensible. It provides examples of XML files and schemas and the steps to validate an XML file against a schema using Python code.
XML is a markup language used to carry and store data. It was designed to transport data rather than display it. XML tags are defined by the author rather than being predefined. XML documents form a tree structure with a root element and branching child elements. For a document to be considered valid XML, it must follow syntax rules like having matching open and close tags and properly nested elements.
XML (Extensible Markup Language) is a universal standard for data representation that allows users to define their own tags. It is used to mark up data so it can be processed by computers, while HTML is used to display information to users. Key benefits of XML include simplicity, openness, extensibility, self-description, and separating content from presentation. XML documents have a tree structure and can be well-formed, meaning they follow basic syntax rules, or valid, meaning they conform to predefined structure rules using DTDs or schemas.
XML (Extensible Markup Language) is a universal standard for data representation that allows users to define their own tags. It is used to store and transport data, while HTML is used to display data. XML has several benefits such as simplicity, extensibility, ability to embed multiple data types, and separation of content from presentation. An XML document must be well-formed by following basic syntax rules and may also be valid if it conforms to predefined rules for a specific type of document. The structure of an XML document is defined by a DTD (Document Type Definition) or XML schema.
XML (eXtensible Markup Language) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. XML was designed to store and transport data. Key points about XML include:
- XML documents have a tree structure with a root element and branches to lower level elements
- XML has simple syntax rules and elements must be properly nested with matching open and close tags
- Elements can have attributes, text content, and child elements
- XML is self-descriptive and allows defining new elements for specific types of information
- XML documents can be validated against DTDs or XML Schemas to check syntax and structure
This document provides an overview and introduction to XML (eXtensible Markup Language). It discusses the basic rules of XML, parsing XML, XML namespaces, XML schemas, XSLT transformations, and examples of where XML is applied such as web design, web services, mobile web, and content authoring.
XML is a markup language that allows for structured data storage and transport. It became popular as a data exchange format and was influenced by SGML. XML files must follow syntax rules like having a single root element, properly nested tags, and quoted attribute values. XML Schema (XSD) files can define the structure and validate XML content by specifying elements, attributes, and data types. XML can be processed using DOM which represents it as a tree structure or SAX which parses it sequentially through events.
Gender and Mental Health - Counselling and Family Therapy Applications and In...PsychoTech Services
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How to Setup Warehouse & Location in Odoo 17 InventoryCeline George
In this slide, we'll explore how to set up warehouses and locations in Odoo 17 Inventory. This will help us manage our stock effectively, track inventory levels, and streamline warehouse operations.
How to Make a Field Mandatory in Odoo 17Celine George
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
Temple of Asclepius in Thrace. Excavation resultsKrassimira Luka
The temple and the sanctuary around were dedicated to Asklepios Zmidrenus. This name has been known since 1875 when an inscription dedicated to him was discovered in Rome. The inscription is dated in 227 AD and was left by soldiers originating from the city of Philippopolis (modern Plovdiv).
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2. XSL
XSL is eXtensible Stylesheet Language for XML documents. XSLT stands for XSL Transformations.
Are you familiar with CSS (or cascading stylesheets) for HTML?
XSL helps to display XML documents and includes:
• XSLT – language for transforming XML documents
• XPath – language for navigating XML documents
• XSL-FO – language for formatting XML documents
In this presentation, we will be looking at XSLT 2.0 and XPath to transform an XML document into another
XML document.
3. XPath
XML is a document and uses a language called XPath to navigate these documents. Xpath is
essentially to know for XSL.
XPath navigates “nodes” and there are 7:
◦ Elements
◦ Attributes
◦ Text
◦ Namespace
◦ Processing-instruction (<?name value?>
◦ Comment (<!-- -->)
◦ Document nodes
4. XPath and Nodes
The XML document is a tree of nodes.
In this example….
<bookstore> is the root element node
<author> is the element node
lang=“en” is the attribute node
Harry Potter or “en” are Atomic values or Items.
<book> is the child of <bookstore>
<title> is the sibling of <author>
What is <year>?
<book> and <bookstore> are the ancestors of <title>
What are the descendants of <bookstore>?
9. Start with an XML document
We’re working with a very small MODS export from Open Refine
Open-Refined-Farrel-xslx.txt
Before anything, rename this file with the extension “.xml”. Then, open this up in your xml editor
and remove all “null”. You might also have to take care of & or any html that you forgot to strip
in Open Refine such as <br>. You can use the Find and Replace Function in your text editor.
10. XML Document
What is the structure of this XML document? Can you find the root element? What are the
siblings, ancestors, descendants, etc.?
Is the XML document associated with a metadata standard? What is that standard and its
requirements?
11. What do you want to do?
Now that you understand the structure of your XML document, what do you want to do with it?
It is necessary to construct a sort of story about your XML document.
In the CTDA, we want to create individual MODS records that follow the CTDA MODS
implementation guidelines from the source XML document.
This is only one story. You can do other things with XSLT such as:
• I want to display my XML document in any browser.
• I want to count how many times the word “the” is used.
• Etc.
12. We want MODS XML documents
We have a source XML document. In our example, how many result MODS XML documents do
we need?
Does the source XML document and resulting MODS XML documents have the same structure?
What’s different?
13. What is our story?
Our tale begins with a small XML document. This xml file is not
associated with any namespace, and hence prefixes. It is not
associated with any metadata standard. This xml file has only 2
records.
The xml file has the following outline:
Root: metadata
Child of metadata: record
Children of record (grandchildren of metadata): Title, Creator,
Place, Topic, TopicPerson, Genre, Contributors, Datecreated,
FileName, Source, Collection, Rights
14. Story Continued
We want to create a folder (preferably) that
contains the individual MODS Records.
Each MODS record should preferably have the
file name of the image which is a condition of
the batch import. If not, you can generate a
random id with XSL.
Each MODS record must be well-formed and
valid according to the MODS schema and the
CTDA MODS Guidelines.
16. XSLT
XSLT must begin with the correct declaration.
<?xml version=“1.0” encoding=“UTF-8”?>
<xsl:stylesheet version=“2.0” xmlns:xsl=“http://www.w3.org/1999/XSL/Transform”>
•XSLT consists of one or more set of rules that are called templates.
•XSLT has a number of elements that help manipulate values of selected nodes or elements in
your source XML document.
<xsl:value-of> is used to extract the value of an XML element
<xsl:for-each> is used to select every XML element in a specific node-set
<xsl:choose> is used to express multiple conditional tests
<xsl:result-document> is used to write output to a file or directory.