By Liyang Yu
If the attractiveness of a know-how is the unassuming approach it matches into our day-by-day lives, what should be extra based than the global internet? "Google it", has develop into as a lot part of our lexicon as "Ok?" and but with the Semantic internet "Googling" will look like kid's play.In "Introduction to the Semantic net & Semantic net Services", Dr. Liyang Yu presents a so much comprehensible clarification of the Semantic net and what it has to supply. In 4 significant elements Dr. Yu not just is helping us comprehend the restrictions of the present WWW but additionally the way it could be prolonged to make it extra comprehensible to pcs and supply extra computerized reasoning for people.From an architectural and engineering standpoint we examine that the Semantic net calls for 3 significant elements for it to convey on its promise. those include:a. Ontology- Which brings jointly area suitable details and identifies relationships one of the details to make it much more valuableb. Web-Page Mark-up - Which hyperlinks decentralized web content to the Ontology. those hyperlinks announce to all readers of a Web-Page that its that means will be greater understood by way of realizing the bigger physique of data of which it's a part.c. more suitable seek Engine - Which has the aptitude to use more advantageous reasoning and inference services utilizing the extra info supplied via the Ontology.Realizing the advantages of the Semantic internet would require fixing a vintage poultry and egg challenge. essentially, Ontologies are the additional price of the Semantic internet. they bring about details that by no means existed sooner than and used to be by no means recognized to the creators of the Web's decentralized and uncoordinated items. even if, traders are reluctant to create Ontologies with no shoppers of the data they supply. whilst se's and web content vendors are reluctant to make the investments that make Ontologies usable till Ontologies show the recent info they'll make on hand. the main to this challenge is leaping beginning Ontologies. marketers needs to come ahead and picture the purchasers that may pay for the price additional through Ontologies and easily promote their shoppers on their price. it's what marketers do and the Semantic net is unquestionably in an entrepreneurial country of its existence cycle.In precis, Dr Yu offers us a transparent figuring out the continuing attractiveness of the WWW and why it is going to stay a good extra unassuming yet very important a part of our each day lives whilst it turns into the Semantic internet.
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Additional resources for Introduction to the Semantic Web and Semantic Web Services
Sample text
After it collects the data, it will store them into the data format we want. Once it finishes with a Web site, it will move on to the next until it has visited all the Web sites that we are interested in. This agent is doing Web data mining. It is a highly specialized piece of software that is normally developed on a case-by-case basis. Inspired by this example, you might want to code your own agent that will visit all the related Web sites to collect some specific stock information for you and report these stock prices back to you, say, every 10 minutes.
So I decided to use a search engine to learn something about digital SLR cameras. 7. By typing “SLR,” I should get the following list, assuming w1, w2, . . , are weights used by the engine and also, w1 > w2 > . . com many other links I soon discover that pretty much all the top sites are vendor sites that sell SLR cameras. fm Page 25 Thursday, April 12, 2007 8:40 AM Search Engines in Both Traditional and Semantic Web Environments search engine a query for “SLR” ...... com weight: wi ...... ......
Most Web page have three different kinds of codes: HTML/XHTML tags (required), CSS tags (optional), and JavaScript (optional). fm Page 24 Thursday, April 12, 2007 8:40 AM 24 Introduction to the Semantic Web and Semantic Web Services • • • All these tags in a Web page just tell the machines how to display the page; they do not tell the machines what they mean. When a crawler reaches a given page, it has no way to know what this page is all about. In fact, it is not even able to tell whether the page is a personal page or a corporate Web site.