16  2069 
Andreas Prilop <An************ ***@trashmail.n etwrote:
>I have three test pages that are marked as Italian, Spanish,
Portuguese, resp. by
Content-Language: it
<html lang="it">
<body lang="it">
and the same for "es" and "pt".
Yahoo regards all three pages as Italian:
http://search.yahoo.com/search?p=%22...l=1&vl=lang_it
Google regards one as English (What??) and two as Spanish:
http://www.google.com/search?q=%22id...%22&lr=lang_en
http://www.google.com/search?q=%22id...%22&lr=lang_es
I'd be surprised if author provided meta data like language info on the
web was broadly reliable. I'd expect better results from using
heuristics to determine a document's language. So I'd expect SEs to use
heuristics, it serves their users better.
I don't speak any of the test languages, but comparing two of the test
pages it seems to me that they do not contain words that are
characteristic for each language, in fact the content appears to be
chosen to confuse heuristic guessing.
The choice of using a list of words instead of natural language probably
also hinders heuristic guessing since it makes it impossible to use
context for similar words in the various languages.
--
Spartanicus
On Wed, 28 Feb 2007, Spartanicus wrote:
I'd be surprised if author provided meta data like language info on the
web was broadly reliable.
Mostly, LANG markup is *missing* from documents. However, if the author
supplies LANG markup, it should be taken as ... well ... authoritative.
The author knows best in which language he writes.
I'd expect better results from using
heuristics to determine a document's language. So I'd expect SEs to use
heuristics, it serves their users better.
That's the same argument used by Internet Explorer 6:
| The server sends "text/plain" but I take "text/html"
| because it seems to make more sense to me.
They can still guess when LANG markup is *missing*.
in fact the content appears to be chosen to confuse heuristic guessing.
Exactly.
The choice of using a list of words instead of natural language probably
also hinders heuristic guessing since it makes it impossible to use
context for similar words in the various languages.
But only with such a list of words, you can take different LANG
parameters. All the words exist in Italian, Spanish, Portuguese.
Each page could be IT or ES or PT.
--
In memoriam Alan J. Flavell http://groups.google.com/groups/sear...Alan.J.Flavell
Andreas Prilop <An************ ***@trashmail.n etwrote:
>I'd be surprised if author provided meta data like language info on the
web was broadly reliable.
Mostly, LANG markup is *missing* from documents. However, if the author
supplies LANG markup, it should be taken as ... well ... authoritative.
The author knows best in which language he writes.
I don't have any statistics, but I'd expect that many documents on the
web are produced by authoring tools that use templates which may contain
false language info. I've done it myself even as a hand coder, my
default document template contains lang="en", on more than one occasion
have I published "Lorem ipsum" demo pages with the default lang="en"
still in there.
>I'd expect better results from using
heuristics to determine a document's language. So I'd expect SEs to use
heuristics, it serves their users better.
That's the same argument used by Internet Explorer 6:
| The server sends "text/plain" but I take "text/html"
| because it seems to make more sense to me.
That is a spec violation (must). There is no spec requirement on a UA to
use language meta data:
"Language information specified via the lang attribute may be used by a
user agent" http://www.w3.org/TR/html4/struct/dirlang.html#h-8.1
>in fact the content appears to be chosen to confuse heuristic guessing.
Exactly.
>The choice of using a list of words instead of natural language probably
also hinders heuristic guessing since it makes it impossible to use
context for similar words in the various languages.
But only with such a list of words, you can take different LANG
parameters. All the words exist in Italian, Spanish, Portuguese.
Each page could be IT or ES or PT.
I don't think that it is realistic to expect SEs to use language meta
data if they cannot determine the language via heuristics. And as I've
noted before I find their decision to use heuristics logical.
--
Spartanicus
Scripsit Andreas Prilop:
[ Search engines ignore lang attributes and Content-Language headers,
apparently using some guesswork instead. ]
Sadly enough, this will probably not improve. The problem is that there are
too many phoney lang attributes on web pages, typically resulting from
authoring software that spits them out, though clueless authors write them,
too. There are also wrong lang attributes due to simple carelessness. What
would you do, then, if you were a search engine that tried to be useful?
For example, http://www.kko.fi/29566.htm is a page by the Supreme Court of
Finland, actually in Sámi language, but with lang="sa", i.e. claiming to be
in Sanskrit, despite the detailed explanation of the mistake that I sent
months ago. Someone took the trouble of actually typing in the lang
attribute but didn't get it right, and apparently it is impossible to fix
it.
--
Jukka K. Korpela ("Yucca") http://www.cs.tut.fi/~jkorpela/
Scripsit António Marques:
Shouldn't you have <meta lang="it"/in the head rather than
specifying the language of elements?
No. By definition, the lang attribute specifies the language of the text in
the element and its attributes. The <metaelement never has any content, so
the above element is completely pointless. Using lang with other attributes
could make sense in odd cases, if you have metainformation in a language
other than the document's overall language, but that would normally be
keyword spamming and could be treated as such.
Followups trimmed; there was no reason for a silent addition of sci.lang.
--
Jukka K. Korpela ("Yucca") http://www.cs.tut.fi/~jkorpela/
On Feb 28, 8:54 am, Andreas Prilop <AndreasPrilop2 ...@trashmail.n et>
wrote:
I have three test pages that are marked as Italian, Spanish,
Portuguese, resp. by
Content-Language: it
<html lang="it">
<body lang="it">
and the same for "es" and "pt".
Can you inform a total ignorant? All these, and many other languages
too, can be typed on an international keyboard. Where is the sense of
arbitrarily assigning "language" to texts then?
Jukka K. Korpela wrote:
Scripsit António Marques:
>Shouldn't you have <meta lang="it"/in the head rather than
specifying the language of elements?
No. By definition, the lang attribute specifies the language of the text
in the element and its attributes.
Yes, my fault. I intended to write <meta http-equiv="Content-Language"
content="it"/>, as I suspect that's what search engines look at.
The <metaelement never has any
content, so the above element is completely pointless. Using lang with
other attributes could make sense in odd cases, if you have
metainformation in a language other than the document's overall
language, but that would normally be keyword spamming and could be
treated as such.
Followups trimmed; there was no reason for a silent addition of sci.lang.
There was no reason for the original posting to sci.lang either.
--
am
laurus : rhodophyta : brethoneg : smalltalk : stargate
--
Posted via a free Usenet account from http://www.teranews.com
mb wrote:
> Content-Language: it
<html lang="it">
Can you inform a total ignorant? All these, and many other languages
too, can be typed on an international keyboard. Where is the sense of
arbitrarily assigning "language" to texts then?
It isn't arbitrary, it describes the language the content is written in.
This has implications for (among other things) what pronunciation
dictionary a screen reader should use and what an automated system could do
given an instruction to get some data if it knows what languages the user
can understand.
--
David Dorward <http://blog.dorward.me .uk/ <http://dorward.me.uk/>
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