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Takuya Homma's List: Semantic Web

    • While there has been remarkable progress made toward understanding the semantics of web content, the benefits of a data web have not reached the mainstream consumer. Without a killer semantic web app for consumers, site owners have been reluctant to support standards like RDF, or even microformats. We believe that app can be web search.

        

      By supporting semantic web standards, Yahoo! Search and site owners can bring a far richer and more useful search experience to consumers.

    • An open system holds greater promise for site-owners to help make search results listings much more relevant for the people who are searching.
    • Google may eventually be displaced as the pre-eminent brand on the internet by a company that harnesses the power of next-generation web technology, the inventor of the World Wide Web has said.
    • that ability paled in comparison to what could be achieved on the "web of the future", which he said would allow any piece of information — such as a photo or a bank statement — to be linked to any other.

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    • n the semantic web, it's like every piece of data is given a longitude and latitude on a map, and anyone can 'mash' them together and use them for different things
    • Semantics and mashups have the same goal of connect-the-data-dots but have very different ways of going about this complex task

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    • we can expect the web to get itself organized, in a hurry.
    • were they to mark up user profile pages with microformats, Yahoo search could understand the content and relationships between pieces of content. Yahoo can then present that data in an intelligent way in Yahoo search

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    • Some have already assigned the moniker “Web 3.0″ to the Semantic Web
    • there are no consumer apps yet that handle these types of semantic web interactions

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    • , the Semantic Web is the web of data, where information is represented in RDF and OWL
    • Others think that the Semantic Web is about web services, while for many it is about artificial intelligence - computer programs solving complex optimization problems that are out of our reach.

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    • Semantic Apps will become popular in 2008, due to their ability to get better content results and make better data connections. Think search engines like Hakia and Powerset, wikipedia-like efforts like Twine and Freebase, and apps that use semantic technologies under the hood (such as AdaptiveBlue and Snap).
    • Open Data Access is the foundation of the Semantic Web (in prior post I used the term: Semantic Web Layer 1)
    • The terms GGG, Linked Data, Data Web, Web of Data, and Web 3.0 (when I use this term) all imply URI driven Open Data Access for the Web Database (maybe call this ODBC for the Web) -- ability to point to records across data spaces without any adverse effect to the remote data spaces.
    • Latent Semantic Indexing, also called Latent Semantic Analysis, is an SEO buzz expression that caught fire last year.
    • You could be asking: Why is there an emergence of Semantic Web?
      The reason is basically to solve limitations of today's web such as results are single web pages, the web activities are mostly focus on Machine-to-Human, and Machine-to-Machine activities are not particularly well supported by software tools.
    • with Semantic Web, the results will be precisely displayed in more details such as in the image below. Thus it can avoid insufficient information, save time, and easier.

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    • In layman’s terms, semantic web is when all of our data online can be understood not only by the people looking into it, but also by the sites itself.

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    • An open database of the world’s information. It’s built by the community and for the community – free for anyone to query, contribute to, build applications on top of, or integrate into their websites.
    • Drawing from large open data sets like Wikipedia, MusicBrainz, and the SEC archives, it contains structured information on many popular topics, including movies, music, people and locations – all reconciled and freely available via an open API.

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    • The Semantic Web is envisioned as a decentralised world-wide information space for sharing machine-readable data with a minimum of integration costs.
    • Its two core challenges are the distributed modelling of the world with a shared data model, and the infrastructure where data and schemas can be published, found and used

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    • The Semantic Web is a mesh of information linked up in such a way as to be  easily processable by machines, on a global scale. You can think of it as being  an efficient way of representing data on the World Wide Web, or as a globally  linked database.
    • Semantic Web technologies are still very  much in their infancies, and although the future of the project in general  appears to be bright, there seems to be little consensus about the likely  direction and characteristics of the early Semantic Web.

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    • Because anyone can create a URI, we will inevitably end up with multiple URIs representing the same thing. Worse, there will be no way to figure out whether two URIs refer to exactly the same resource.
    • the URL of the page is the URI for that object.

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    • The Semantic Web is an evolving extension of the World Wide Web in which the semantics of information and services on the web is defined, making it possible for the web to understand and satisfy the requests of people and machines to use the web content
    • intended to provide a formal description of concepts, terms, and relationships within a given knowledge domain.

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    • My personal Web 3.0 definition is “the combination of Web 2.0 mass collaboration with structured databases”.
    • Structure on the fly is done by people adding structure as they use the service and by engines that automatically create structure from unstructured content.

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