XSD Incomplete Overview Draft.
All fundamental concepts about XSD schemas and examples how to create a schema.
It was not made by me, it was handed over by someone else.
The document discusses XSLT (Extensible Stylesheet Language Transformations), which is used to transform XML documents into other formats like HTML, PDF, etc. It explains some key XSLT elements and concepts:
1. The <template> element matches XML elements and applies styles.
2. The <value-of> element inserts node values from the XML.
3. The <for-each> element loops through multiple occurrences of an element.
It also covers selecting attributes with XPath, using conditional elements like <if> and <choose>, and predicates to filter nodes. XSLT allows XML data to be transformed and presented in different formats.
This document provides an overview of XML DTD and Schema. It defines key terms like well-formed, valid, DTD and describes how a DTD is used to define element types and attributes. It also explains different DTD rules like EMPTY, ANY, #PCDATA. The document then covers XML Schema elements, data types, and how to declare elements, attributes and complex/simple types in a schema.
XSD (XML Schema Definition) is used to describe and validate the structure and content of XML data. It provides more powerful capabilities than DTD. XML Schemas support data types, restrictions on elements and attributes, and namespaces. With XML Schema, groups can agree on standards for exchanging data and documents can be verified. XML Schemas use XML syntax, so they can be edited, parsed, and manipulated like any other XML document. The purpose of an XML Schema is to define the legal building blocks of an XML document, such as elements, attributes, and their structure.
XPath is a language for finding information in an XML document, using path expressions to navigate elements and attributes. It supports operators, functions and axes to locate nodes and return node sets, booleans, strings, numbers or other values. XSLT uses XPath to select nodes for transformation and XSL-FO uses the document structure defined by XSLT for formatting and layout.
The document discusses XML schema (XSD) including defining elements and attributes, simple and complex types, namespaces, restrictions and facets. It provides examples of defining elements and attributes of different data types, setting default and fixed values, and adding restrictions on values, content, format and whitespace.
XML Schema provides a way to formally define and validate the structure and content of XML documents. It allows defining elements, attributes, and data types, as well as restrictions like length, pattern, and value ranges. DTD is more limited and cannot validate data types. XML Schema is written in XML syntax, uses XML namespaces, and provides stronger typing capabilities compared to DTD. It allows defining simple and complex element types, attributes, and restrictions to precisely describe the expected structure and values within XML documents.
The document describes what an XML Schema is and its key components and purposes. It defines an XML Schema as describing the structure of an XML document, and that it can define elements, attributes, element sequence and number, data types, and default values. It compares XML Schemas to DTDs, noting schemas are more powerful and support namespaces and data types. The document provides examples of using XML Schema to define simple and complex elements, attributes, and restrictions.
XML Schema Definition (XSD) defines the structure and legal elements and attributes of an XML document. An XSD specifies elements and complex types that can appear in an XML file and places restrictions on values like data types, lengths, formats and more. It also defines the order of child elements and how many times elements can appear.
The document discusses XSLT (Extensible Stylesheet Language Transformations), which is used to transform XML documents into other formats like HTML, PDF, etc. It explains some key XSLT elements and concepts:
1. The <template> element matches XML elements and applies styles.
2. The <value-of> element inserts node values from the XML.
3. The <for-each> element loops through multiple occurrences of an element.
It also covers selecting attributes with XPath, using conditional elements like <if> and <choose>, and predicates to filter nodes. XSLT allows XML data to be transformed and presented in different formats.
This document provides an overview of XML DTD and Schema. It defines key terms like well-formed, valid, DTD and describes how a DTD is used to define element types and attributes. It also explains different DTD rules like EMPTY, ANY, #PCDATA. The document then covers XML Schema elements, data types, and how to declare elements, attributes and complex/simple types in a schema.
XSD (XML Schema Definition) is used to describe and validate the structure and content of XML data. It provides more powerful capabilities than DTD. XML Schemas support data types, restrictions on elements and attributes, and namespaces. With XML Schema, groups can agree on standards for exchanging data and documents can be verified. XML Schemas use XML syntax, so they can be edited, parsed, and manipulated like any other XML document. The purpose of an XML Schema is to define the legal building blocks of an XML document, such as elements, attributes, and their structure.
XPath is a language for finding information in an XML document, using path expressions to navigate elements and attributes. It supports operators, functions and axes to locate nodes and return node sets, booleans, strings, numbers or other values. XSLT uses XPath to select nodes for transformation and XSL-FO uses the document structure defined by XSLT for formatting and layout.
The document discusses XML schema (XSD) including defining elements and attributes, simple and complex types, namespaces, restrictions and facets. It provides examples of defining elements and attributes of different data types, setting default and fixed values, and adding restrictions on values, content, format and whitespace.
XML Schema provides a way to formally define and validate the structure and content of XML documents. It allows defining elements, attributes, and data types, as well as restrictions like length, pattern, and value ranges. DTD is more limited and cannot validate data types. XML Schema is written in XML syntax, uses XML namespaces, and provides stronger typing capabilities compared to DTD. It allows defining simple and complex element types, attributes, and restrictions to precisely describe the expected structure and values within XML documents.
The document describes what an XML Schema is and its key components and purposes. It defines an XML Schema as describing the structure of an XML document, and that it can define elements, attributes, element sequence and number, data types, and default values. It compares XML Schemas to DTDs, noting schemas are more powerful and support namespaces and data types. The document provides examples of using XML Schema to define simple and complex elements, attributes, and restrictions.
XML Schema Definition (XSD) defines the structure and legal elements and attributes of an XML document. An XSD specifies elements and complex types that can appear in an XML file and places restrictions on values like data types, lengths, formats and more. It also defines the order of child elements and how many times elements can appear.
The document discusses the fundamentals of XML including XML document structure, elements, attributes, character data, the XML declaration, document type declaration, and XML content model. It also covers XML rules for structure, namespaces, and the differences between well-formed and valid XML documents.
XML schema defines the structure and elements of an XML document. It defines elements, attributes, and data types. Elements are the building blocks and can be simple types like strings or integers, complex types that can contain child elements, or global types that can be reused. Attributes provide additional information for elements. An XML schema uses tags like <xs:element> and <xs:complexType> to define the document structure.
XML schemas provide a more powerful way to define the structure and content of XML documents compared to DTDs. Schemas support data types, namespaces, and more complex definitions of elements and attributes. The main elements used in schemas are:
1. <xs:schema> which defines the root element and namespace for a schema.
2. <xs:element> and <xs:attribute> which define elements and attributes with attributes like name, type, and occurrence.
3. <xs:complexType> which defines complex element types with child elements, attributes, and mixed content.
Schemas allow precise specification of XML documents' structure through elements, attributes, data types and occurrence to enable validation of
The document discusses schemas and their purpose in specifying the structure and constraints of an XML document. It provides examples of things that cannot be done with DTDs but can be done with schemas, such as constraining text values. The document outlines the components of a schema, including elements, attributes, and data types. It provides an example of defining a schema in IE5 and the steps involved, including declaring element types, specifying content models, and using data types.
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.
This document provides an overview of XML Schema Definition (XSD). It discusses that XSD is used to describe and validate the structure and vocabulary of an XML document. It then provides an example of a simple XSD code and explains some of its key features, such as being extensible, supporting data types and namespaces. It also outlines the basic syntax of an XSD, including the required <schema> root element and optional attributes like targetNamespace. Finally, it demonstrates how to reference an external XSD from an XML document using schemaLocation.
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 carry data, describe its meaning, and not focus on how it looks. XML uses elements with matching start and end tags to structure and markup text and other types of data. Elements can have attributes to provide additional information and can be nested within other elements to show relationships between data.
An XML schema defines the structure and elements of an XML document. It is an XML-based alternative to DTDs that allows defining element types, attributes, data types, defaults and restrictions. Schemas support namespaces, data types, extensibility and are written in XML, allowing the use of XML tools. Complex elements can contain child elements, text or both.
This document provides an overview of XML schemas, including:
- The objectives of learning about XML schemas, which include explaining schemas, advantages over DTDs, defining elements, creating simple and complex types, applying restrictions, and creating reusable schemas.
- An introduction to XML schemas, including how schemas address issues with large DTDs and an example of creating a simple schema.
- The advantages of XML schemas over DTDs, such as supporting data types, defining element order, and extending schemas.
- How to define elements and attributes in a schema, including using built-in data types.
- The differences between simple and complex element types and examples of each.
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 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.
The document defines XML as a markup language for structured data similar to HTML but designed to carry data rather than display it. XML uses user-defined tags rather than predefined tags. It was introduced in 1998 by the W3C and is used widely on the web to transport and share data between applications. XML separates data from formatting and simplifies data sharing, transport, and platform changes by making data more available.
The document discusses XML document structure and XML schema. It provides information on the key components of an XML document including the XML declaration, document type declaration, element data, attribute data, and character data. It then describes XML schema in detail, explaining that it defines the structure of an XML document. Key aspects of XML schema covered include elements, attributes, simple vs complex types, and restrictions.
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.
The document provides an overview of Extensible Markup Language (XML) including that it was designed to carry data rather than display it, it uses tags to separate and label different types of data, and specifies syntax rules for tags, elements, attributes and other XML standards and technologies. The document also provides examples of XML code including a basic note document and use of tags, elements, and attributes.
XSLT is used to transform XML documents into other formats. It uses XSLT style sheets, which contain rules that are applied by an XSLT processor to the XML input. Some key capabilities of XSLT include converting XML to HTML, sorting and filtering data, and using conditional logic. Template rules define how to retrieve element values from the XML and output them. Loops, conditional statements, and multiple sorting allow complex transformations of the XML data.
XSL is a language used to describe how to display XML files in a browser. It can convert XML files into other formats like HTML. The most common use of XSL is to convert XML files into HTML that can be displayed in browsers. Key elements in XSL include xsl:template to match nodes, xsl:value-of to extract node values, xsl:for-each to iterate over nodes, and xsl:copy to copy nodes from the XML file to the output. An example shows using an XSL stylesheet to transform an XML file about a fitness center member into an HTML web page that displays the member's name, favorite color, and phone numbers.
This document discusses validating XML documents using DTDs. It explains that DTDs define the structure and elements of an XML document. Elements, attributes, and their content must be declared in the DTD. Elements can have text, child elements, or mixed content. Attributes have types like ID, enumerated, and default values like required or implied. The document provides examples of declaring elements, attributes, and their types in a DTD to validate an XML file.
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 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.
The document discusses XML schemas and defines various XML schema components. It explains concepts like namespaces, element and attribute qualification, content models using sequence, choice, all and group, simple types with facets, and lists and unions. It provides examples of how to define elements and attributes with XML schemas by setting restrictions and patterns on data types.
The document discusses the fundamentals of XML including XML document structure, elements, attributes, character data, the XML declaration, document type declaration, and XML content model. It also covers XML rules for structure, namespaces, and the differences between well-formed and valid XML documents.
XML schema defines the structure and elements of an XML document. It defines elements, attributes, and data types. Elements are the building blocks and can be simple types like strings or integers, complex types that can contain child elements, or global types that can be reused. Attributes provide additional information for elements. An XML schema uses tags like <xs:element> and <xs:complexType> to define the document structure.
XML schemas provide a more powerful way to define the structure and content of XML documents compared to DTDs. Schemas support data types, namespaces, and more complex definitions of elements and attributes. The main elements used in schemas are:
1. <xs:schema> which defines the root element and namespace for a schema.
2. <xs:element> and <xs:attribute> which define elements and attributes with attributes like name, type, and occurrence.
3. <xs:complexType> which defines complex element types with child elements, attributes, and mixed content.
Schemas allow precise specification of XML documents' structure through elements, attributes, data types and occurrence to enable validation of
The document discusses schemas and their purpose in specifying the structure and constraints of an XML document. It provides examples of things that cannot be done with DTDs but can be done with schemas, such as constraining text values. The document outlines the components of a schema, including elements, attributes, and data types. It provides an example of defining a schema in IE5 and the steps involved, including declaring element types, specifying content models, and using data types.
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.
This document provides an overview of XML Schema Definition (XSD). It discusses that XSD is used to describe and validate the structure and vocabulary of an XML document. It then provides an example of a simple XSD code and explains some of its key features, such as being extensible, supporting data types and namespaces. It also outlines the basic syntax of an XSD, including the required <schema> root element and optional attributes like targetNamespace. Finally, it demonstrates how to reference an external XSD from an XML document using schemaLocation.
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 carry data, describe its meaning, and not focus on how it looks. XML uses elements with matching start and end tags to structure and markup text and other types of data. Elements can have attributes to provide additional information and can be nested within other elements to show relationships between data.
An XML schema defines the structure and elements of an XML document. It is an XML-based alternative to DTDs that allows defining element types, attributes, data types, defaults and restrictions. Schemas support namespaces, data types, extensibility and are written in XML, allowing the use of XML tools. Complex elements can contain child elements, text or both.
This document provides an overview of XML schemas, including:
- The objectives of learning about XML schemas, which include explaining schemas, advantages over DTDs, defining elements, creating simple and complex types, applying restrictions, and creating reusable schemas.
- An introduction to XML schemas, including how schemas address issues with large DTDs and an example of creating a simple schema.
- The advantages of XML schemas over DTDs, such as supporting data types, defining element order, and extending schemas.
- How to define elements and attributes in a schema, including using built-in data types.
- The differences between simple and complex element types and examples of each.
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 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.
The document defines XML as a markup language for structured data similar to HTML but designed to carry data rather than display it. XML uses user-defined tags rather than predefined tags. It was introduced in 1998 by the W3C and is used widely on the web to transport and share data between applications. XML separates data from formatting and simplifies data sharing, transport, and platform changes by making data more available.
The document discusses XML document structure and XML schema. It provides information on the key components of an XML document including the XML declaration, document type declaration, element data, attribute data, and character data. It then describes XML schema in detail, explaining that it defines the structure of an XML document. Key aspects of XML schema covered include elements, attributes, simple vs complex types, and restrictions.
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.
The document provides an overview of Extensible Markup Language (XML) including that it was designed to carry data rather than display it, it uses tags to separate and label different types of data, and specifies syntax rules for tags, elements, attributes and other XML standards and technologies. The document also provides examples of XML code including a basic note document and use of tags, elements, and attributes.
XSLT is used to transform XML documents into other formats. It uses XSLT style sheets, which contain rules that are applied by an XSLT processor to the XML input. Some key capabilities of XSLT include converting XML to HTML, sorting and filtering data, and using conditional logic. Template rules define how to retrieve element values from the XML and output them. Loops, conditional statements, and multiple sorting allow complex transformations of the XML data.
XSL is a language used to describe how to display XML files in a browser. It can convert XML files into other formats like HTML. The most common use of XSL is to convert XML files into HTML that can be displayed in browsers. Key elements in XSL include xsl:template to match nodes, xsl:value-of to extract node values, xsl:for-each to iterate over nodes, and xsl:copy to copy nodes from the XML file to the output. An example shows using an XSL stylesheet to transform an XML file about a fitness center member into an HTML web page that displays the member's name, favorite color, and phone numbers.
This document discusses validating XML documents using DTDs. It explains that DTDs define the structure and elements of an XML document. Elements, attributes, and their content must be declared in the DTD. Elements can have text, child elements, or mixed content. Attributes have types like ID, enumerated, and default values like required or implied. The document provides examples of declaring elements, attributes, and their types in a DTD to validate an XML file.
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 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.
The document discusses XML schemas and defines various XML schema components. It explains concepts like namespaces, element and attribute qualification, content models using sequence, choice, all and group, simple types with facets, and lists and unions. It provides examples of how to define elements and attributes with XML schemas by setting restrictions and patterns on data types.
The document discusses XSD restrictions, XSL elements, and DHTML. It explains that XSD restrictions define accepted values for XML elements using facets like maxInclusive, minInclusive, and enumeration. It provides examples of using restrictions. It also explains how XSL elements like <xsl:element>, <xsl:for-each>, <xsl:if>, <xsl:choose>, and <xsl:sort> can be used to transform XML documents. Finally, it defines DHTML as using HTML, JavaScript, CSS, and DOM to create interactive web pages, and provides examples of using these technologies together.
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.
The document discusses XML schemas, explaining that they define elements, attributes, and data types that can be used in XML documents. It covers creating simple and complex elements, declaring data types, and grouping elements using sequences, groups, and choices. The document also provides examples of how to define attributes and create user-defined data types in an XML schema.
XML is a markup language designed to transport and store data. It was created to be self-descriptive and allows users to define their own elements. XML separates data from presentation and is used to create new internet languages, simplify data storage and sharing, and transport and make data more available across different platforms. XML documents form a tree structure with elements nested within other elements.
XML was designed to store and transport data in a human- and machine-readable format. It uses markup tags to describe and structure data. XML has several advantages over HTML, including being able to carry arbitrary data rather than just displaying it, and having customizable tags rather than predefined tags. XML documents form a tree structure with elements nested within each other. XML includes syntax rules for tags, elements, attributes, and comments. Namespaces help avoid conflicts between element names. Documents can be validated using DTDs or XML Schemas, which define the structure and legal elements. XML Schemas provide more power and capabilities than DTDs.
This document provides an overview of XML, XML schema, parsing XML, and GladeXML. It defines XML and its components like elements and attributes. It describes XML schema and provides a simple example. It explains how to parse an XML document into a DOM object and access elements. It also gives an overview of how GladeXML can dynamically load user interfaces from XML descriptions.
It's cover the first chapter about the SCDJWS certification.
Refers to:
1. SCDJWS 5.0 Study Guide by Mikalai Zaikin
2. SCDJWS 5 Study Notes by Ivan A Krizsan
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
The Extensible Markup Language (XML) is a subset of SGML that is completely described in this document. Its goal is to enable generic SGML to be served, received, and processed on the Web in the way that is now possible with HTML. XML has been designed for ease of implementation and for interoperability with both SGML and HTML.
Basic XML Processing In Scala
XML is a form of semi-structured data that organizes content into a tree structure. Scala allows XML to be written as literals and represents XML data as labeled trees. Important classes for processing XML include Node, Text, and NodeSeq. XML can be taken apart in Scala by extracting text using the text method, extracting sub-elements using \ or \\, and extracting attributes using @.
Basic XML Processing In Scala
XML is a form of semi-structured data that organizes content into a tree structure. Scala allows XML to be written as literals and represents XML data as labeled trees. Important classes for processing XML include Node, Text, and NodeSeq. XML can be taken apart in Scala by extracting text using the text method, extracting sub-elements using \ or \\, and extracting attributes using @.
XML schemas define the structure and format of XML documents. They validate that an XML document complies with the specified structure and elements. Key components of an XML schema include element definitions, attribute definitions, annotations, and type definitions. Schemas use XML syntax to declare elements, attributes, and other components, unlike DTD syntax.
IPT Chapter 3 Data Mapping and Exchange - Dr. J. VijiPriyaVijiPriya Jeyamani
The document discusses how XML documents are checked and validated. It explains that XML processors check documents for well-formed syntax and validity against a DTD or XSD. It provides examples of adding a DTD to an XML document and using a DTD to define an XML document's structure and legal elements. The document also compares DTDs and XSDs, explaining that XSDs are more powerful and will likely replace DTDs in most applications.
XML is a standard for storing and transporting data. It allows data to be self-describing and easy to exchange between systems. XML documents must be well-formed, following rules like having matching tags and attributes in quotes. XML uses elements to represent data and attributes to represent metadata. Namespaces allow distinguishing between identically named elements from different domains. XML is processed by parsers like SAX, DOM, and StAX. XSLT uses XPath to transform XML documents into other formats like HTML.
XML Schema defines the elements and attributes that can be used in an XML document. It specifies the order elements appear and their data types. XSD provides control over element and attribute data types and enables custom data types and restrictions. SOAP is an XML-based protocol for exchanging information between computers using HTTP. A SOAP message has an envelope, header, and body, and messages are exchanged in a request/response model.
Este documento explica o modelo de memória da linguagem Java, abordando conceitos como reordenação de operações, sincronização, uso das keywords "final" e "volatile". O modelo de memória Java garante o comportamento correto de programas multi-thread em diferentes arquiteturas, através de mecanismos como bloqueios sincronizados e variáveis marcadas como "final" ou "volatile".
Um processo é um container que fornece recursos e isolamento para um programa em execução. Um processo pode estar em vários estados como new, ready, running, waiting ou terminated. Um sistema operacional usa threads para permitir a execução paralela de tarefas dentro de um mesmo processo.
IP Multicast Routing Part One.
Concepts explained inside are : Internet Multicast Backbone, Multicast Addressing and Mapping, Multicast: How it works, IGMP v1,v2,v3 and more.
Note: All slides care of a more detailed explanation about the concepts involved. If you need just that, send me a message and I'll reply with a pdf document with just that. All explanations are in English or/and Portuguese.
Thanks, Pedro Almeida.
O Projecto, Gestão de Projectos e o Gestor de Projectos - Parte 1Pedro De Almeida
O documento discute a natureza e características de projetos, o ciclo de vida típico de um projeto, as funções do gestor de projetos e as qualidades necessárias para um gestor de projetos ser bem-sucedido. O documento define projetos como instrumentos de mudança com objetivos específicos e caracteriza as principais etapas de um projeto como início, especificação, concepção, construção, implementação e operação.
This document discusses how to validate a credit card number using the MOD 10 algorithm:
1. The MOD 10 algorithm, also known as the Luhn algorithm, is a checksum formula used to detect errors in identification numbers, including credit cards.
2. To validate a number, the last digit is the check digit and the remaining digits are doubled alternatingly and summed.
3. The summed total is multiplied by 9, and if the last digit of the result matches the check digit, then the credit card number is valid.
O documento descreve os conceitos de canais de entrada e saída em Java. Em 3 frases:
Os canais em Java representam fontes genéricas de entrada e saída de dados de forma independente de dispositivos. Existem canais de caracteres e bytes, com classes base como InputStream, OutputStream, Reader e Writer. Java fornece canais padrão System.in e System.out para leitura do teclado e escrita no monitor.
O documento discute conceitos básicos de codificação de canal, especificamente códigos cíclicos. Explica como adicionar redundância usando códigos cíclicos, representando palavras de código como polinômios e definindo códigos cíclicos como subespaços vetoriais. Também descreve características de códigos cíclicos sistemáticos e o processo de decodificação.
Sessao 9 Capacidade de canal e Introdução a Codificação de canalPedro De Almeida
1) O documento discute conceitos básicos da teoria da informação, como entropia, capacidade de canal e codificação.
2) Apresenta o modelo de canal discreto sem memória e define informação mútua.
3) Explica a relação entre entropia e informação mútua e analisa o canal binário simétrico como exemplo.
O documento descreve algoritmos de compressão de dados sem perda, como Lempel-Ziv 77 (LZ77) e Lempel-Ziv 78 (LZ78). O LZ77 usa uma "janela deslizante" para pesquisar subsequências repetidas e codifica os resultados como ponteiros. O LZ78 constrói um dicionário de strings à medida que lê os dados.
O documento discute técnicas de codificação estatística para reduzir a redundância na representação de símbolos de uma fonte, incluindo o Código de Shannon-Fano e o Código de Huffman. Também aborda a extensão de fonte discreta sem memória e como isso pode ser usado com um código prefixo estendido para fazer o comprimento médio do código se aproximar da entropia da fonte original.
Sessao 4 - Chaves espúrias e distância de unicidadePedro De Almeida
Este documento discute conceitos fundamentais da criptoanálise, incluindo: (1) como a entropia da chave muda com o número de criptogramas observados, (2) como calcular o número esperado de chaves falsas, e (3) como estimar a distância de unicidade de um sistema criptográfico.
Teoria da Informação e Introdução ao conceito de Entropia.
Créditos reservados ao Centro de Cálculo e investigação do Instituto Superior de Engenharia de Lisboa.
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O documento discute os conceitos fundamentais da teoria matemática da comunicação e seu papel na criptografia. Aborda tópicos como teoria da probabilidade, teoria da informação, quantidades de informação, codificação e segurança dos sistemas criptográficos. Apresenta também modelos matemáticos de sistemas criptográficos discretos e a noção de segurança perfeita destes sistemas.
This document provides a 3-step summary for how to write to a file in Java:
1. Import the java.io package at the top of the code.
2. Create a File object, FileWriter object, and BufferedWriter object, with the BufferedWriter receiving the FileWriter as a parameter.
3. Use the write method of the BufferedWriter object to write text to the file.
This presentation was provided by Steph Pollock of The American Psychological Association’s Journals Program, and Damita Snow, of The American Society of Civil Engineers (ASCE), for the initial session of NISO's 2024 Training Series "DEIA in the Scholarly Landscape." Session One: 'Setting Expectations: a DEIA Primer,' was held June 6, 2024.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...PECB
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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Thinking of getting a dog? Be aware that breeds like Pit Bulls, Rottweilers, and German Shepherds can be loyal and dangerous. Proper training and socialization are crucial to preventing aggressive behaviors. Ensure safety by understanding their needs and always supervising interactions. Stay safe, and enjoy your furry friends!
Executive Directors Chat Leveraging AI for Diversity, Equity, and InclusionTechSoup
Let’s explore the intersection of technology and equity in the final session of our DEI series. Discover how AI tools, like ChatGPT, can be used to support and enhance your nonprofit's DEI initiatives. Participants will gain insights into practical AI applications and get tips for leveraging technology to advance their DEI goals.
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
How to Manage Your Lost Opportunities in Odoo 17 CRMCeline George
Odoo 17 CRM allows us to track why we lose sales opportunities with "Lost Reasons." This helps analyze our sales process and identify areas for improvement. Here's how to configure lost reasons in Odoo 17 CRM
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.
Assessment and Planning in Educational technology.pptxKavitha Krishnan
In an education system, it is understood that assessment is only for the students, but on the other hand, the Assessment of teachers is also an important aspect of the education system that ensures teachers are providing high-quality instruction to students. The assessment process can be used to provide feedback and support for professional development, to inform decisions about teacher retention or promotion, or to evaluate teacher effectiveness for accountability purposes.
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Exploiting Artificial Intelligence for Empowering Researchers and Faculty, In...Dr. Vinod Kumar Kanvaria
Exploiting Artificial Intelligence for Empowering Researchers and Faculty,
International FDP on Fundamentals of Research in Social Sciences
at Integral University, Lucknow, 06.06.2024
By Dr. Vinod Kumar Kanvaria
Main Java[All of the Base Concepts}.docxadhitya5119
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
2. A Simple XML Document
Look at this simple XML document called "note.xml":
<?xml version="1.0"?>
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>
3. An XML Schema
The following example is an XML Schema file called "note.xsd" that defines the
elements of the XML document above ("note.xml"):
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.w3schools.com" xmlns="http://www.w3schools.com"
elementFormDefault="qualified">
<xs:element name="note">
<xs:complexType>
<xs:sequence>
<xs:element name="to" type="xs:string“ maxOccours=“4” />
<xs:element name="from" type="xs:string"/>
<xs:element name="heading" type="xs:strincoug"/>
<xs:element name="body" type="xs:string“ minOccours=“0”/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
Simple Element vs Complex Element
4. Reference to an XML Schema
A Reference to an XML Schema
This XML document has a reference to an XML Schema:
<?xml version="1.0"?>
<note
xmlns="http://www.w3schools.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.w3schools.com note.xsd">
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>
5. The <schema> Element
The <schema> element is the root element of
every XML Schema:
<?xml version="1.0"?>
<xs:schema>
...
...
</xs:schema>
6. Simple Element
What is a Simple Element?
A simple element is an XML element that can contain only
text. It cannot contain any other elements or attributes.
However, the "only text" restriction is quite misleading. The
text can be of many different types. It can be one of the types
included in the XML Schema definition (boolean, string, date,
etc.), or it can be a custom type that you can define yourself.
You can also add restrictions (facets) to a data type in order to
limit its content, or you can require the data to match a
specific pattern.
7. The syntax for defining a simple element is:
<xs:element name="xxx" type="yyy"/>
where xxx is the name of the element and yyy is the data
type of the element.
XML Schema has a lot of built-in data types. The most
common types are:
• xs:string
• xs:decimal
• xs:integer
• xs:boolean
• xs:date
• xs:time
8. Example
Here are some XML elements:
<lastname>Refsnes</lastname>
<age>36</age>
<dateborn>1970-03-27</dateborn>
And here are the corresponding simple element definitions:
<xs:element name="lastname" type="xs:string"/>
<xs:element name="age" type="xs:integer"/>
<xs:element name="dateborn" type="xs:date"/>
9. Attribute
What is an Attribute?
Simple elements cannot have attributes. If an element has attributes, it is considered
to be of a complex type. But the attribute itself is always declared as a simple type.
How to Define an Attribute?
The syntax for defining an attribute is:
<xs:attribute name="xxx" type="yyy"/>
where xxx is the name of the attribute and yyy specifies the data type of the attribute.
XML Schema has a lot of built-in data types. The most common types are:
xs:string
xs:decimal
xs:integer
xs:boolean
xs:date
xs:time
10. Example
Here is an XML element with an attribute:
<lastname lang="EN">Smith</lastname>
And here is the corresponding attribute
definition:
<xs:attribute name="lang" type="xs:string"/>
11. Optional and Required Attributes
Attributes are optional by default. To specify
that the attribute is required, use the "use"
attribute:
<xs:attribute name="lang" type="xs:string"
use="required"/>
12. Restrictions on Values
The following example defines an element called "age"
with a restriction. The value of age cannot be lower than
0 or greater than 120:
<xs:element name="age">
<xs:simpleType>
<xs:restriction base="xs:integer">
<xs:minInclusive value="0"/>
<xs:maxInclusive value="120"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
13. Restrictions on a Set of Values
To limit the content of an XML element to a set of acceptable values,
we would use the enumeration constraint.
The example below defines an element called "car" with a restriction.
The only acceptable values are: Audi, Golf, BMW:
<xs:element name="car">
<xs:simpleType>
<xs:restriction base="xs:string">
<xs:enumeration value="Audi"/>
<xs:enumeration value="Golf"/>
<xs:enumeration value="BMW"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
14. Restrictions on a Series of Values
To limit the content of an XML element to define a series of numbers
or letters that can be used, we would use the pattern constraint.
The example below defines an element called "letter" with a
restriction. The only acceptable value is ONE of the LOWERCASE letters
from a to z:
<xs:element name="letter">
<xs:simpleType>
<xs:restriction base="xs:string">
<xs:pattern value="[a-z]"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
15. Restrictions for Datatypes
Constraint
Description
enumeration
Defines a list of acceptable values
fractionDigits
Specifies the maximum number of decimal places allowed. Must be equal to or greater
than zero
length
Specifies the exact number of characters or list items allowed. Must be equal to or greater
than zero
maxExclusive
Specifies the upper bounds for numeric values (the value must be less than this value)
maxInclusive
Specifies the upper bounds for numeric values (the value must be less than or equal to
this value)
maxLength
Specifies the maximum number of characters or list items allowed. Must be equal to or
greater than zero
minExclusive
Specifies the lower bounds for numeric values (the value must be greater than this value)
minInclusive
Specifies the lower bounds for numeric values (the value must be greater than or equal to
this value)
minLength
Specifies the minimum number of characters or list items allowed. Must be equal to or
greater than zero
pattern
Defines the exact sequence of characters that are acceptable
totalDigits
Specifies the exact number of digits allowed. Must be greater than zero
whiteSpace
Specifies how white space (line feeds, tabs, spaces, and carriage returns) is handled
16. Complex Element
What is a Complex Element?
A complex element is an XML element that contains other
elements and/or attributes.
There are four kinds of complex elements:
•
•
•
•
empty elements
elements that contain only other elements
elements that contain only text
elements that contain both other elements and text
Note: Each of these elements may contain attributes as well!
17. Examples of Complex Elements
A complex XML element, "product", which is empty:
<product pid="1345"/>
A complex XML element, "employee", which contains only other elements:
<employee>
<firstname>John</firstname>
<lastname>Smith</lastname>
</employee>
A complex XML element, "food", which contains only text:
<food type="dessert">Ice cream</food>
A complex XML element, "description", which contains both elements and text:
<description>
It happened on <date lang="norwegian">03.03.99</date> ....
</description>
18. How to Define a Complex Element
Look at this complex XML element, "employee", which contains only other elements:
<employee>
<firstname>John</firstname>
<lastname>Smith</lastname>
</employee>
We can define a complex element in an XML Schema two different ways:
The "employee" element can be declared directly by naming the element, like this:
<xs:element name="employee">
<xs:complexType>
<xs:sequence>
<xs:element name="firstname" type="xs:string"/>
<xs:element name="lastname" type="xs:string"/>
</xs:sequence>
</xs:complexType>
</xs:element>