Semantic web. A note about logical and illogical imposition

In the last materials we considered{examined} the general{common} questions of development of websites - planning of a website, the analysis of the purposes and problems{tasks}, development of information architecture of the web - project, base navigating elements, etc. And now - a subject for webs - developers, designers, verstal`hhikov, everyone who creates webs - pages, websites - for itself, for users, whether for customers, for search machines... The Small note about logical and illogical imposition.

The fact: the person has two hemispheres of a brain. Researches of scientists: the left hemisphere is responsible for logic and analog signals (signs), right - for images.

When we create web - page, we form the information so that to influence on both hemispheres, a problem{task} of visual design - images to show the visitor, the user of this page, that he here will receive (it - use of color, the graphic registration prompting as the information is distributed{allocated}, illuminations and underlinings{emphases}, allocation of semantic elements, navigating and text, "to squeeze out" on the foreground the important navigating element), and the problem{task} of semantics - to give the user the ordered data of the document.

In irc the channel webmascom (were interested - to search on irc.ircinfo.ru) one of participants of discussion has sounded the following information: " there is no big sense to wait from browsers of correct realization display: table;, as there is no sense in his{its} use ". Was present in view of, that for a conclusion of the tabulared data should use standard html-teg table, and, on the other hand, use for visual design, in particular, for example, for ill-starred 3-kolonochnoj impositions display: table is same return to tabulared imposition (imitation of tabulared imposition), i.e. - it is wrong from the point of view of semantics web, such as - " have named tables divines and we are pleased ".

Then there was a question concerning that such " semantics in web ". The same participant of discussion official such definition was offered: " (from grech. semantikos - designating):

1. Values of units of language.

2. The same, that semasiology, the section of linguistics studying value of units of language, first of all words.

3. One of the basic sections of semiotics. "

About as! Not that it is not understandable, but it would be desirable to hear more... Close to css definition. Has tried to formulate something the following (simply a stream of consciousness):

" I so understand, that if not to be confused in terms (semasiology, semiotics) - that, for example, if I shall close eyes and I shall hear the open page, the sounded information will be authentic. So? I.e. if the browser speaks me: the Table, and in her - heading (in th) - the Price - that the tabulared data - the name, the price will be farther... Or appointed id/class in this case the browser to me will not dictate the Description of styles.. I.e. if he will reach up to the divine in which it is appointed display:table, he will read only contents of it the divine, but will not dictate to me tabulared structure, so? Then where infringement of semantics? "

As if to an ill-starred question about trekhkolonochnom futere, stable and krossbrauzernom, without use display: table; - it was offered to use a method of " negative fields " (under clause{article} on vebmaskone http://webmascon.com/topics/coding/43a.asp). However. Negative fields - the same deceit of a browser, as well as in case of use of style properties such as display:table! Therefore - the choice between two infringements of logic - type on taste as seems to me.

Within the framework of semantic realizations super the director of photography of the channel had been sounded a conclusion of a lesson: " a today's lesson: it is not important, that we there shall write in CSS, the main thing that ul was the list " (in initial realization sounded so: " a today's lesson: it is not important, that we there shall write in CSS, the main thing that ul looked as the list " that does not correspond{meet} to those requirements which are showed to a semantic marking - she should not look, she should be - she{it} can be sounded a word, words).

Semantic Web is in general the most interesting project which is advanced{is moved ahead} on director w3c.org, one of founders Web, both more distinctly and in detail (definition, and problems{tasks}, pluss and minuses) it is better to read the purposes on an official portal of a semantic web on a site of a consortium or in Russian-speaking vikipedii. However the great and perfect future of a network, probably, is still far enough from present developers. Let's talk a little about bases - standard html.

By definition HTML - Hypertext Markup Language (Hypertext markup language) is the language intended for the description of formatting of the text, the task of links and other elements of webs - pages. In him standardized "tags", such as <HEAD> and <BODY> are used, the sense and which way of interpretation is set universally by a WWW-consortium. Unfortunately, modern developers, frequently, do not aspire to studying and observance of standards (not overlooking{forgetting} thus to take offence and zlobit` at developers of browsers whom as not to the full the same standards observe, that supposedly " the curve browser incorrectly displays my page ", and the old sick subject - to make krossbrauzernyj, not collapsing and not creeping away site). Moreover, some, rather experienced Internet serfers in a pointed manner ignore osovnye requirements to a marking of page, intentionally recommending newbies "to not potter" with correct, but difficultly formatted document "to not be fooled" with studying the documentation, and to make " as all " - as the main thing - that the document was displayed in today's browsers decently, and the beginning{starting} designer thus is has not overtired, has faster handed over the project and has forgotten both about the customer of a site, and about his{its} users.

Absolutely already a living example: at a forum in section where design projects and problems on development are discussed, one of participants has asked to help to solve a problem: one of pictures was displayed incorrectly, and is more correct, not how it was required on a plan of the designer, and not in all browsers, but only only in Mozille (in IE - ok).

The code was approximately following: in the block (div with the long and complex{difficult} description of style) settled down teg paragraph P, inside which - a picture, i.e. about the following:

<div id = "Layer8" style = " position:absolute; left:161px; top:-410px; width:141px; height:598px; z-index:1; ">

<p align = "left"> <img src = "images/shvarz.jpg" width = "138" height = "600"> </p>

</div>

Participants of a forum allowed different recommendations - to leave from block imposition and to impose a site tables (not the best advice{council}, however for this designer, probably, and not the worse because "block" imposition of the analyzed document was awful), fields and recommended to null spaces (setting additional descriptions of style for the paragraph) at external objects.

However that the consortium speaks about correct use tega the paragraph?

P - it is lower case (inline) an element. Element P represents the paragraph. He cannot contain elements of a level of the block (including itself P). Within the framework of the standard is allowable to conclude a picture in teg paragraph (as she is not a block element, and it is determined as empty - i.e. empty object until additional attributes and values are not set to this object), the picture in general can be put anywhere:), however it is not so necessary to conclude her{it} in teg paragraph; thus the simple decision for a concrete question - to clean{remove} framing and not necessary teg the paragraph and to put carry of a line after a picture, i.e.

...

<img src = "images/shvarz.jpg" width = "138" height = "600"> <br>

...

The decision idle time, and it has worked. However in persevering recommendations of other participants of a forum " to hammer on standards " and to proceed{pass} to tabulared imposition surprised a little. And on the remark that there is any " a logic of a network " which, generally, should be observed, from rather dear participant of a forum (which, by the way, and has recommended to not be fooled and proceed{pass} to traditional tabulared imposition) the strange answer has acted{arrived}: " Instead of there came an idea what there can be this logic - any wrong, time at creation good in general sites of her{it} break the majority of reasonable, professional developers? ". Yes why break? Professional developers just very much even use a picture as illustrations to a text content, including include them in teg paragraph. And those of a picture which are not a content, and are an element of the interface, registration - here already other decisions are used.

And in fact it is strange... I am not the fan css and block imposition, and I shall not insist on any concrete model - yes impose as want, however it is strange - even if to not speak about semantic web, what for to recommend the beginning{starting} developer to use superfluous tegi for imposition of the paragraph / table, aggravating with the fair style description when enough to make under the standard, (as in an above mentioned example - to add carry of a line after an illustration)? The decision which is superfluous, cannot be correct.

Really, the decision to insert a picture in teg paragraph does not contradict logic of a marking when the picture is an illustration to the text of the paragraph. However the contradiction is observed, when in the paragraph include a picture of " elements of design " interface of page. And now we shall use resulted in the beginning of a note a method of the analysis of semantic fidelity of a marking and we shall try to read that wrong decision:) voice, for example, a browser, for users lazy or badly seeing, for example: " and now there will be a new paragraph of the text: op-pa, a picture for registration of page; and now - the following paragraph: op-pa, one more picture for registration of page ". And how? Logically?

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WHY SO OCCURS?

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