Showing posts with label History. Show all posts
Showing posts with label History. Show all posts

Tuesday, December 12, 2017

The History of the XSL and XSLT Protocols

The History of the XSL and XSLT Protocols

As is the case with many of the standards that are used today, there is a relatively confusing history that lies behind the XSL and XSLT standards. While it is true that many XSL editors also serve as XSLT editors, the reverse is not always the case, due to the difference between these standards.


Originally, XSL was intended to work as a combination of XML and XSL commands that could be used to generate a variety of different types of information. The W3C proposal for XSL featured these two things as separate parts of the overhead protocol. By using high level XML descriptions of the page information and layout, the transformation commands could be used to transform the XML into whatever output format was desired, be it a different kind of XML formatting or even an HTML page output. This provides users with the maximum amount of flexibility, as they can produce a variety of different output formats using the same type of commands. This means that XSL editors can be used to produce a variety of different outputs, using the same commands and XML data.


However, this was seen by Microsoft as providing more flexibility than was needed and becoming overly complicated. Since the majority of users would output HTML documents, Microsoft saw the inclusion of the XML formatting section of XSL as being excessively complex. As a result, Microsoft took the transformation part of the XSL protocol that W3C had created and used that as its core specification. While this takes out some of the flexibility that the XSL standard had introduced, it also provided ease of use for anyone who was using the protocol for outputting HTML documents.


This decision by Microsoft led to the split between XSL and XSLT. XSL is the specification that describes the formatting objects that are to be used. This is also informally known as the XSLFO or XSL-FO. The transformation part of the specification became known as XSLT, which is the part used to transform XML data into various types of objects. Primarily, this is the type which is used by the most people today, due to the fact that the formatting objects are not necessary.


As a result, XSLT editors can provide a user with the ability to transform XML documents into various forms, without the requirement that they use the XSLFO formatting objects. While this reduces some of the advantage of the overall protocol, the ease of use is seen by many to be well worth the reduction.


Some of the early Microsoft XSLT editors were less than satisfactory when it came to functionality. However, as the protocol has evolved and implementation of it has advanced, there have come into existence a variety of different XSL editors and XSLT editors that provide all the functionality that could ever be asked of the protocol. For anyone seeking to learn more in-depth information about these specifications and their associated editors, the W3C site features a variety of information concerning the protocol specifications, as well as the history of the protocol.



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Wednesday, October 4, 2017

Google PageRank - Definition, History and Development

Google PageRank - Definition, History and Development

The basic idea of the algorithm is PageRank, incoming links on a website should be considered a recommendation. The more links to a page showing the more important this is. The scale of a PageRank ranges from 0 to 10, with the value of 10 represents the upper end, and very few Web pages have a PageRank of 10.


It receives a page with many incoming links on a higher PageRank, and the higher the PageRank of link page, the higher the value of the receiving end's link page. The idea is that a link (recommendation) from an important page (higher PageRank) is worth more than one page, which itself has a low PageRank.


The concept of PageRank was developed by Larry Page and Sergey Brin at Stanford University designed and led to the founding of Google by both. They were the first results almost exclusively due to the PageRank of sorted pages. That represented a revolution, since up to this time, the Internet search pages only then evaluated, as is often the keywords in the text and in the meta tags occurred.


PageRank was an innovation by the webmaster of their positions in the search results pages are no longer so easily can be manipulated. In this novel method of valuation is also the great success of the search engine Google attributed, because seeking for the much more relevant search results were delivered. But if it turns out that this evaluation of a web page is not as the sole criterion, because link exchange, link buying and zb Entries also affects PageRank.


The Internet SEO and The PageRank is still for the assessment of sites used by Google, but implying more weight than before. Meanwhile, Google stated that the collation of results after more than 100 different assessment criteria is implemented, but the PageRank is still plays a very important role.



Jimit Shah is an It Professional working on Web Site SEO.
DoYouKnow.IN.




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