This link has been bookmarked by 22 people . It was first bookmarked on 01 Sep 2007, by goldred.
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28 Oct 09
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Enter the Semantic Web, which is the vision that the existing Web can be augmented to supplement the content designed for humans with equivalent machine-readable information. In the context of the Semantic Web, the term information is different from data; data becomes information when it conveys meaning (that is, it is understandable). The Semantic Web has the goal of creating Web infrastructure that augments data with metadata to give it meaning, thus making it suitable for automation, integration, reasoning, and re-use.
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RDF provides for the construction of relationships between data objects through subject-predicate-object triples ("subject S has relationship R with object O"). The combination of data model and graph of relationships allows for the creation of ontologies, which are hierarchical structures of knowledge that can be searched and formally reasoned about
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mashup development is replete with technical challenges that need to be addressed, especially as mashup applications become more feature- and functionality-rich.
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the number one enterprise IT concern today is data integration within the enterprise virtual organization
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translation systems between data models must be designed
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The Ajax model of Web development can provide a much richer and more seamless user experience than the traditional full-page-refresh, but it poses some difficulties as well.
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One such set of tools are the robots, spiders, and Web crawlers that aggregate information for Internet and intranet search engines. Without graceful degradation, Ajax-based mashup applications might find themselves missing out on both a minority user base as well as search engine visibility.
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Single-signon is a desirable feature, but there are a multitude of competing technologies (ranging from Microsoft Passport to the Liberty Alliance), thus creating disjointed identity namespaces that you must integrate as well. Content providers are likely to employ authentication and authorization schemes (which require the notion of secure identity or securely identifiable attributes) in their APIs to enforce business models that involve paid subscriptions or sensitive data.
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Before mashups can make the transition from cool toys to sophisticated applications, much work will have to go into distilling robust standards, protocols, models, and toolkits.
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11 Feb 09
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01 Dec 08
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11 Nov 08
Michelle KrillA new breed of Web-based data integration applications is sprouting up all across the Internet.
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29 Aug 08
D WalshIntroduction
A new breed of Web-based data integration applications is sprouting up all across the Internet. Colloquially termed mashups, their popularity stems from the emphasis on interactive user participation and the monster-of-Frankenstein-like manner in which they aggregate and stitch together third-party data. The sprouting metaphor is a reasonable one; a mashup Web site is characterized by the way in which it spreads roots across the Web, drawing upon content and functionality retrieved from data sources that lay outside of its organizational boundaries.
This vague data-integration definition of a mashup certainly isn't a rigorous one. A good insight as to what makes a mashup is to look at the etymology of the term: it was borrowed from the pop music scene, where a mashup is a new song that is mixed from the vocal and instrumental tracks from two different source songs (usually belonging to different genres). Like these "bastard pop" songs, a mashup is an unusual or innovative composition of content (often from unrelated data sources), made for human (rather than computerized) consumption.
So, what might a mashup look like? The ChicagoCrime.org Web site is a great intuitive example of what's called a mapping mashup. One of the first mashups to gain widespread popularity in the press, the Web site mashes crime data from the Chicago Police Department's online database with cartography from Google Maps. Users can interact with the mashup site, such as instructing it to graphically display a map containing pushpins that reveal the details of all recent burglary crimes in South Chicago. The concept and the presentation are simple, and the composition of crime and map data is visually powerful.
In Mashup genres, you'll survey the popular genres of mashups, including mapping mashups. Related technologies overviews the technology landscape that relates to the construction and operation of mashups. Technical challenges and Social challenges present the eminent technical and social challenges, respectively, aff -
18 May 08
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26 Mar 08
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16 Mar 08
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Alan LevineMashups are an exciting genre of interactive Web applications that draw upon content retrieved from external data sources to create entirely new and innovative services.
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15 Mar 08
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14 Mar 08
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03 Feb 08
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27 Dec 07
Sebastian WeberMashups are an exciting genre of interactive Web applications that draw upon content retrieved from external data sources to create new and innovative services. They are a hallmark of the second generation of Web applications informally known as Web 2.0.
mashup web2.0 ibm tutorial reference article examples social development 2006 api app googlemaps
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01 Sep 07
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Like these "bastard pop" songs, a mashup is an unusual or innovative composition
of content (often from unrelated data sources), made for human (rather than
computerized) consumption.
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12 Aug 07
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06 Aug 07
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