{ "@context": { "@vocab": "http://schema.org/", "sci": "https://schema.org/", "ex": "http://example.org/vocab#" }, "@type": "Article", "@id": "https://www.sciam.com/article/the-semantic-web-2001", "headline": "The Semantic Web", "alternativeHeadline": "A new form of Web content that is meaningful to computers will unleash a revolution of new possibilities", "author": [ { "@type": "Person", "name": "Tim Berners-Lee", "jobTitle": "Director of the World Wide Web Consortium (W3C)", "affiliation": "Massachusetts Institute of Technology", "description": "Inventor of the World Wide Web in 1989, researcher at MIT Laboratory for Computer Science, advocate for Semantic Web." }, { "@type": "Person", "name": "James Hendler", "jobTitle": "Professor of Computer Science", "affiliation": "University of Maryland at College Park", "description": "Researcher on knowledge representation in a Web context, developer of SHOE, responsible for agent-based computing research at DARPA." }, { "@type": "Person", "name": "Ora Lassila", "jobTitle": "Research Fellow", "affiliation": "Nokia Research Center, Boston", "description": "Chief scientist of Nokia Venture Partners, member of W3C Advisory Board, co-author of W3C's RDF specification." } ], "publisher": { "@type": "Organization", "name": "Scientific American", "url": "https://www.sciam.com" }, "datePublished": "2001-05", "image": "https://www.sciam.com/images/semantic-web-monitor.jpg", "articleBody": "The Semantic Web is an extension of the current World Wide Web where information is given well-defined meaning, enabling computers and people to work in cooperation. It allows software agents to carry out sophisticated tasks by understanding the semantics of data on Web pages, not just their layout or keywords. Technologies such as XML and RDF provide the framework for encoding meaning, while ontologies define relationships and inference rules. This infrastructure will enable automated Web services, intelligent agents, and new forms of interaction and automation, including service discovery and device interoperability. The Semantic Web will facilitate the evolution of human knowledge by linking concepts globally and enabling meaningful analysis by software agents.", "hasPart": [ { "@type": "WebPageElement", "name": "Overview", "text": "The Semantic Web will transform the Web from a medium of documents for humans into a medium of data and information that can be processed automatically by machines. It will enable software agents to understand the meaning of Web content and perform complex tasks such as scheduling appointments by interacting with multiple Web services." }, { "@type": "DefinedTermSet", "name": "Glossary of Semantic Web Terms", "description": "Key terms used in the Semantic Web context with definitions.", "hasDefinedTerm": [ { "@type": "DefinedTerm", "name": "HTML", "description": "Hypertext Markup Language. The language used to encode formatting, links and other features on Web pages. Uses standardized tags such as

and whose meaning and interpretation is set universally by the World Wide Web Consortium." }, { "@type": "DefinedTerm", "name": "XML", "description": "eXtensible Markup Language. A markup language like HTML that lets individuals define and use their own tags. XML has no built-in mechanism to convey the meaning of the user's new tags to other users." }, { "@type": "DefinedTerm", "name": "Resource", "description": "Web jargon for any entity. Includes Web pages, parts of a Web page, devices, people and more." }, { "@type": "DefinedTerm", "name": "URL", "description": "Uniform Resource Locator. The familiar codes (such as http://www.sciam.com/index.html) that are used in hyperlinks." }, { "@type": "DefinedTerm", "name": "URI", "description": "Universal Resource Identifier. URLs are the most familiar type of URI. A URI defines or specifies an entity, not necessarily by naming its location on the Web." }, { "@type": "DefinedTerm", "name": "RDF", "description": "Resource Description Framework. A scheme for defining information on the Web. RDF provides the technology for expressing the meaning of terms and concepts in a form that computers can readily process. RDF can use XML for its syntax and URIs to specify entities, concepts, properties and relations." }, { "@type": "DefinedTerm", "name": "Ontologies", "description": "Collections of statements written in a language such as RDF that define the relations between concepts and specify logical rules for reasoning about them. Computers will 'understand' the meaning of semantic data on a Web page by following links to specified ontologies." }, { "@type": "DefinedTerm", "name": "Agent", "description": "A piece of software that runs without direct human control or constant supervision to accomplish goals provided by a user. Agents typically collect, filter and process information found on the Web, sometimes with the help of other agents." }, { "@type": "DefinedTerm", "name": "Service Discovery", "description": "The process of locating an agent or automated Web-based service that will perform a required function. Semantics will enable agents to describe to one another precisely what function they carry out and what input data are needed." } ] }, { "@type": "HowTo", "name": "How to Use Semantic Web Agents for Scheduling Appointments", "description": "Step-by-step process of how software agents use Semantic Web technologies to schedule appointments efficiently.", "hasPart": [ { "@type": "HowToStep", "position": 1, "name": "Issue Instructions", "text": "User issues instructions to their Semantic Web agent through a Web browser or device interface." }, { "@type": "HowToStep", "position": 2, "name": "Follow Ontology Links", "text": "The agent follows hyperlinks in the request to ontologies where key terms are defined, enabling understanding of the request." }, { "@type": "HowToStep", "position": 3, "name": "Retrieve Treatment and Schedule Information", "text": "The agent retrieves treatment information from the doctor's system and schedule information from the user's and other involved parties' systems." }, { "@type": "HowToStep", "position": 4, "name": "Use Provider Finder Service", "text": "The agent queries a provider finder service that sends out its own agents to look at insurance company lists and provider sites enhanced with semantic data." }, { "@type": "HowToStep", "position": 5, "name": "Negotiate Payment and Service Terms", "text": "The user's agent and the finder service negotiate using ontologies and agree on payment for the service." }, { "@type": "HowToStep", "position": 6, "name": "Reserve Appointment Times", "text": "The user's agent interacts with selected individual provider sites to find suitable open appointment times and tentatively reserves them." }, { "@type": "HowToStep", "position": 7, "name": "Present Plan for Approval", "text": "The agent sends the appointment plan to the users for their approval." } ] }, { "@type": "Question", "name": "What is the Semantic Web?", "acceptedAnswer": { "@type": "Answer", "text": "The Semantic Web is an extension of the current Web that provides well-defined meaning to information, enabling computers and software agents to understand and process data meaningfully." } }, { "@type": "Question", "name": "How does the Semantic Web differ from the current Web?", "acceptedAnswer": { "@type": "Answer", "text": "Unlike the current Web, which is designed primarily for human consumption, the Semantic Web encodes data with semantic information that machines can interpret and reason about." } }, { "@type": "Question", "name": "What technologies underpin the Semantic Web?", "acceptedAnswer": { "@type": "Answer", "text": "Key technologies include XML for extensible markup, RDF for expressing meaning in triples, and ontologies for defining relationships and inference rules." } }, { "@type": "Question", "name": "What are ontologies in the context of the Semantic Web?", "acceptedAnswer": { "@type": "Answer", "text": "Ontologies are formal collections of statements that define relationships among concepts and provide logical rules for reasoning about data." } }, { "@type": "Question", "name": "What is an agent in the Semantic Web?", "acceptedAnswer": { "@type": "Answer", "text": "An agent is software that operates autonomously to accomplish user goals by collecting, filtering, and processing information on the Web." } }, { "@type": "Question", "name": "How does service discovery work in the Semantic Web?", "acceptedAnswer": { "@type": "Answer", "text": "Service discovery allows agents to locate automated Web services that perform specific functions by understanding semantic descriptions of those services." } }, { "@type": "Question", "name": "What role do digital signatures play in the Semantic Web?", "acceptedAnswer": { "@type": "Answer", "text": "Digital signatures enable verification of the source and integrity of information, ensuring trustworthiness of data and preventing forgery." } }, { "@type": "Question", "name": "What is the importance of URIs in the Semantic Web?", "acceptedAnswer": { "@type": "Answer", "text": "URIs uniquely identify entities, concepts, and properties, allowing unambiguous reference and linking of semantic data across the Web." } }, { "@type": "Question", "name": "What is the envisioned impact of the Semantic Web on knowledge evolution?", "acceptedAnswer": { "@type": "Answer", "text": "The Semantic Web will facilitate the progressive linking and integration of concepts globally, enabling meaningful analysis and collaboration that advances human knowledge." } }, { "@type": "Question", "name": "What is the 'killer app' of the Semantic Web?", "acceptedAnswer": { "@type": "Answer", "text": "The Semantic Web itself is considered a killer app, enabling a wide range of applications such as automated data integration, intelligent agents, and seamless electronic commerce, beyond any single application." } } ], "citation": [ { "@type": "CreativeWork", "name": "Weaving the Web: The Original Design and Ultimate Destiny of the World Wide Web by Its Inventor", "author": "Tim Berners-Lee with Mark Fischetti", "publisher": "Harper San Francisco", "datePublished": "1999" }, { "@type": "WebPage", "name": "World Wide Web Consortium (W3C)", "url": "http://www.w3.org/" }, { "@type": "WebPage", "name": "W3C Semantic Web Activity", "url": "http://www.w3.org/2001/sw/" }, { "@type": "WebPage", "name": "An introduction to ontologies", "url": "http://www.SemanticWeb.org/knowmarkup.html" }, { "@type": "WebPage", "name": "Simple HTML Ontology Extensions Frequently Asked Questions (SHOE FAQ)", "url": "http://www.cs.umd.edu/projects/plus/SHOE/faq.html" }, { "@type": "WebPage", "name": "DARPA Agent Markup Language (DAML) home page", "url": "http://www.daml.org/" } ] }