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Links vs. identifiers (Re: [ACTION-94]: go and find examples of concept ontology (semantic features of terms as opposed to domain type ontologies))

From: Felix Sasaki <fsasaki@w3.org>
Date: Fri, 8 Jun 2012 17:39:53 +0200
Message-ID: <CAL58czoTPo5tXMbinN6b6NSML=N=urvSTg6PioSduodE9cdbUg@mail.gmail.com>
To: Pedro L. Díez Orzas <pedro.diez@linguaserve.com>, Dave Lewis <dave.lewis@cs.tcd.ie>, public-multilingualweb-lt@w3.org
Hi Pedro all,

2012/6/8 Pedro L. Díez Orzas <pedro.diez@linguaserve.com>

> **
>
> Dear Tadej, Felix, Yves, Dave, all, ****
>
> ** **
>
> I checked with some expert people and told me the following:****
>
> ** **
>
> *It would be great if links to wordnet can be included in the
> annotations. The best thing to do would be to use the open linked data
> versions of wordnet:*
>
> * *
>
> *http://thedatahub.org/dataset/vu-wordnet***
>
> * *
>
> *It has URIs for synsets (actually sense meanings but I convinced them
> they need to shift to synset IDs, which they will do in the near future).
> English synsets are good for any language since the other languages link to
> English (still as an Inter Lingual Index). Eventually, other wordnets will
> also be published as linked open data.*
>
> * *
>
> *Another thing is domain tags. WordnetDomain tags are used here (Dewey
> system). Since it is linked to English Wordnet it is linked to any synset
> in any language linked to English. That will be a very useful semantic tag
> also for translation.*
>
> ** **
>
> I think this is a right way to reinforce the connection between MLS-LT and
> open linked data. I hope it helps.
>


The above is great. I just want to make sure that we are on sync with one
aspect: we need sustainable *identifiers* for the resources you mentioned.
Let me try to make the difference clear with the "codepoint based
collation" example below:

- An application that wants to use code point based collation needs the
data tables for that
- http://www.w3.org/2005/xpath-functions/collation/codepoint/ is not a way
to download the data tables, but to identify that kind of collation

Take as an example related to our area the way wordnet is used in this
XQuery processor
http://cf.zorba-xquery.com.s3.amazonaws.com/doc/zorba-2.0/zorba/html/ft_thesaurus.html

[

let $x := <msg>affluent man</msg>

return $x contains text "wealthy"

using thesaurus at "http://wordnet.princeton.edu"

]


The "using thesaurus at "http://wordnet.princeton.edu"  statement does not
mean that the thesaurus is downloaded from the wordnet site at princeton.
It just means that the XQuery processor evokes the cached version of
wordnet, which is identified by the http://wordnet.princeton.edu


For our scenarios, I assume processing steps like this

1) Automatic annotation leading to e.g. this

<span its-disambiguation its-semantic-network-ref="
http://www.sfs.uni-tuebingen.de/lsd/index.shtml
" its-selector="#synset_loschen_3">löschen</span>

 2) An application that knows there to find the resource identified by

http://www.sfs.uni-tuebingen.de/lsd/index.shtml

can cache that resource and use it e.g. for improving MT or other
(localization) workflows.


The conclusion from this is that from the providers of the resources, we
need to ask one of the following:

a) a stable URI for identification; resolving that URI should give
implementors of 2) the information they need for caching the resource in an
implementation specific manner.

b) that they allow W3C to provide the URI, like in the collation example:
it is W3C which hosts
http://www.w3.org/2005/xpath-functions/collation/codepoint/  , not the
Unicode consortium that provides the codepoint list.



Which of a) or b) do people prefer?

Best,

Felix

****
>
> ** **
>
> Best,****
>
> Pedro****
>
> ** **
>  ------------------------------
>
> *De:* Dave Lewis [mailto:dave.lewis@cs.tcd.ie]
> *Enviado el:* jueves, 07 de junio de 2012 23:58
> *Para:* **public-multilingualweb-lt@w3.org
> **
> *Asunto:* Re: [ACTION-94]: go and find examples of concept ontology
> (semantic features of terms as opposed to domain type ontologies)
> ****
>
>  ** **
>
> Hi Tadej,
> I spoke to some people from ISOCAT at LREC. They operate persistent URL
> for their platform, so with an example perhaps we could add that to the
> list?
>
> cheers,
> Dave
>
> On 07/06/2012 15:19, Felix Sasaki wrote: ****
>
> ** **
>
> 2012/6/7 Tadej Stajner <tadej.stajner@ijs.si>****
>
> Hi Felix,
> as far as I'm aware, URIs only exist for the English wordnet. Maybe
> prefixing the a # was not the best stylistic choice here, but yes, what I
> meant to convey is that that value was a local identifier, valid within a
> particular semantic network.
>
> In the ideal scenario, these selectors would be dereferencible and
> verifiable via URIs for arbitrary wordnets and terminology lexicons and
> their entries. ****
>
> ** **
>
> ** **
>
> OK - the main point would be that they are dereferencible and verifiable.
> In practice, you will not achieve that for arbitrary wordnets, but you can
> achieve that for a subset, if the related "players" agree. In the
> "collation" example mentioned before, the identifier for the Unicode code
> point based collation
> http://www.w3.org/2005/xpath-functions/collation/codepoint/ was the
> lowest common dominator; in addition to that everybody is free to have
> other URIs for arbitrary collations. I would hope that we could end up with
> such a list (hopefully longer than one) for the semantic networks too.****
>
> ** **
>
> Felix****
>
> ** **
>
>  ****
>
>  Do we have any people involved in developing semantic networks or term
> lexicons on this list? The compromise is allowing some limited classes of
> non-URI local selectors, like synset IDs for wordnets, and term IDs for TBX
> lexicons.
>
> -- Tadej ****
>
>
>
> On 6/7/2012 3:44 PM, Felix Sasaki wrote: ****
>
> Thanks, Tadej. ****
>
> ** **
>
> The value of the its-selector attribute looks like a document internal
> link. But it is probably an identifier of the synset in the given semantic
> network, no?****
>
> ** **
>
> About 1) and 2): is your made-up example then the output of the text
> annotation use case? I am asking since you say "2) markup in raw ITS", so
> I'm not sure.****
>
> ** **
>
> Also, it seems that an implementation needs to "know" about the resources
> that are identified via its-semantic-network-ref. This is really an
> identifier, like ****
>
> http://www.w3.org/2005/xpath-functions/collation/codepoint/****
>
> is an identifier for a Unicode code point collation; it doesn't give you
> the collation data, but creating an implementation that "understands" the
> identifier means probably caching the collation data. The same would be
> true for the semantic network.****
>
> ** **
>
> This leads to the next question: can we engage the developers of the
> semantic network (or other disambiguation related) resources to come up
> with stable URIs for these? It would be great to list these URIs in our
> specification and say "this is how you identify the English wordnet etc.",
> for scenarios like the collation data mentioned above.****
>
> ** **
>
> Felix ****
>
> 2012/6/7 Tadej Štajner <tadej.stajner@ijs.si>****
>
> Hi,
>
> I agree with Pedro on the questions. Automatic word sense disambiguation
> is in practice still not perfect, so some semi-automatic user interfaces
> make a lot of sense. And how I think that this could look like in a made-up
> example, answering Felix's 1) and 2):
>
> 1) HTML+ITS: <span its-disambiguation its-semantic-network-ref=
> "http://www.sfs.uni-tuebingen.de/lsd/index.shtml"<http://www.sfs.uni-tuebingen.de/lsd/index.shtml>its-selector="#synset_loschen_3">löschen</span>
>
> 2) Markup in raw ITS
>  <its:disambiguation
>     semanticNetworkRef="http://www.sfs.uni-tuebingen.de/lsd/index.shtml"<http://www.sfs.uni-tuebingen.de/lsd/index.shtml>
>     selector="#synset_loschen_3">löschen</its:disambiguation>
>
> -- Tadej ****
>
>
>
>
> On 04. 06. 2012 13:53, Pedro L. Díez Orzas wrote: ****
>
> Dear Felix,****
>
>  ****
>
> Thank you very much. Probably Tadej can prepare the use cases you mention,
> with the consolidated data category. About the question 3 and 4, I can tell
> you the following:****
>
>  ****
>
> 3) Would it be produced also by an automatic text annotation tool?****
>
>  ****
>
> For the pointers to the three information referred (concepts in Ontology,
> meanings in Lexical DB, and terms in Terminological resources) I think it
> would be possible semiautomatic annotation tools, that is, proposed by the
> tool and confirmed by user.****
>
>  ****
>
> The fully automatic text annotation  would need more sophisticate
> “semantic calculus”, and most of these are under research, as far as I
> know. Maybe, in this cases, it should be combined with
> textAnalysisAnnotation, specifying in *Annotation agent* – and *Confidence
> score* – which system and with which reliability has been produced.****
>
>  ****
>
> 4) Would 1-2 be consumed by an MT tool, or by other tools?****
>
>  ****
>
> These can be basically consumed by language processing tools, like MT, and
> other Linguistic Technology that needs content or semantic info. For
> instance Text Analytics, Semantic search, etc.. In the localization chains,
> these information can be also used by automatic or semiautomatic processes
> (like selection of dictionaries for translations, or selection of
> translators/revisers by subject area) ****
>
>  ****
>
> It could be also used by humans for translation or post-edition in case of
> ambiguity or lake of context in the content, but mostly by automatic
> systems.****
>
>  ****
>
> I hope this helps.****
>
> Pedro****
>
>  ****
>  ------------------------------
>
> *De:* Felix Sasaki [mailto:fsasaki@w3.org <fsasaki@w3.org>]
> *Enviado el:* sábado, 02 de junio de 2012 14:13
> *Para:* Tadej Stajner; pedro.diez
> *CC:* public-multilingualweb-lt@w3.org
> *Asunto:* Re: [ACTION-94]: go and find examples of concept ontology
> (semantic features of terms as opposed to domain type ontologies)****
>
>  ****
>
> Hi Tadej, Pedro, all,****
>
>  ****
>
> this looks like a great chain of producing and consuming metadata.****
>
>  ****
>
> Apologies if this was explained during last weeks call or before, but can
> you clarify a bit the following:****
>
>  ****
>
> 1) How would the actual HTML markup produced in the original text
> annotation use case look like?****
>
> 2) How would the markup in this use case look like?****
>
> 3) Would it be produced also by an automatic text annotation tool?****
>
> 4) Would 1-2 be consumed by an MT tool, or by other tools?****
>
>  ****
>
> Thanks again,****
>
>  ****
>
> Felix ****
>
> 2012/5/31 Tadej Stajner <tadej.stajner@ijs.si>****
>
> Hi Pedro,
> thanks for the excellent explanation. If I understand you correctly, a
> sufficient example for this use case would be annotation of individual
> words with synset URI of the appropriate wordnet? If so, then I believe
> this route can be practical - I think linking to the synset is a more
> practical idea than expressing semantic features of the word given the
> available tools.
>
> Enrycher can do automatic all-word disambiguation into the english
> wordnet, whereas  we don't have anything specific in place for semantic
> features (which I suspect also holds for other text analytics providers).
>
> I'm also in favor of prescribing wordnets for individual languages as
> valid selector domains as you suggest in option 1). That would make
> validation easier since we have a known domain.
>
> @All: Can we come up with a second implementation for this use case,
> preferrably a consumer?
>
> -- Tadej****
>
>
>
>
> On 5/29/2012 2:00 PM, Pedro L. Díez Orzas wrote: ****
>
> Dear all,****
>
>  ****
>
> Sorry for the delay. I tried to contact some people I think can contribute
> to this, but they are not available these weeks. ****
>
>  ****
>
> Before providing an example to consider all if it is worthwhile to
> maintain “semantic selector” attribute in the consolidation of
> “Disambiguation” I would like to do a couple considerations:****
>
>  ****
>
>    1. Probably we will not have short term any implementation, but there
>    are for example few semantic networks available in web (see
>    http://www.globalwordnet.org/gwa/wordnet_table.html) that could be
>    mapped using semantic selectors. See on line for example, the famous
>    http://wordnetweb.princeton.edu<http://wordnetweb.princeton.edu/perl/webwn>
>    ).****
>    2. The W3C working group SKOS (Simple Knowledge Organization System
>    Reference) are maybe dealing with similar things.****
>
>  ****
>
> The “semántica selector” allows further lexical (simple words or multi
> words) distinctions than a “domain” or an ontology like NERD. Also, the
> denotation is different from the “concept reference”, most of all in part
> of speech like verbs.  ****
>
>  ****
>
> Within the same domain, referring to very similar concepts, languages have
> semantic differences. Depending on the semantic theory used, each tries to
> captivate these differences by means of different systems (semantic
> features, semantic primitives, semantic nodes (in semantic networks), other
> semantic representations). An example could be the German verb “löschen”,
> which in different contexts can take different meanings that can be try to
> capture using different selectors, with the different systems.****
>
>  ****
>
> –         löschen                        -> clear             (some
> bits)
>                                    -> delete           (files)
>                                    -> cancel          (programs)
>                                    -> erase            (a scratchpad)
>                                    -> extinguish     (a fire)****
>
>  ****
>
> Other possible translations of the verb* *“löschen” are:****
>
> delete****
>
> löschen, streichen, tilgen, ausstreichen, herausstreichen****
>
> clear****
>
> löschen, klären, klarmachen, leeren, räumen, säubern****
>
> erase****
>
> löschen, auslöschen, tilgen, ausradieren, radieren, abwischen****
>
> extinguish****
>
> löschen, auslöschen, zerstören****
>
> quench****
>
> löschen, stillen, abschrecken, dämpfen****
>
> put out****
>
> löschen, bringen, ausmachen, ausschalten, treiben, verstimmen****
>
> unload****
>
> entladen, abladen, ausladen, löschen, abstoßen, abwälzen****
>
> discharge****
>
> entladen, erfüllen, entlassen, entlasten, löschen, ausstoßen****
>
> wipe out****
>
> auslöschen, löschen, ausrotten, tilgen, zunichte machen, auswischen****
>
> slake****
>
> stillen, löschen****
>
> close****
>
> schließen, verschließen, abschließen, sperren, zumachen, löschen****
>
> blot****
>
> löschen, abtupfen, klecksen, beklecksen, sich unmöglich machen, sich
> verderben****
>
> turn off****
>
> ausschalten, abbiegen, abstellen, abdrehen, einbiegen, löschen****
>
> blow out****
>
> auspusten, löschen, aufblasen, aufblähen, aufbauschen, platzen****
>
> zap****
>
> abknallen, düsen, umschalten, löschen, töten, kaputtmachen****
>
> redeem****
>
> einlösen, erlösen, zurückkaufen, tilgen, retten, löschen****
>
> pay off****
>
> auszahlen, bezahlen, tilgen, abzahlen, abbezahlen, löschen****
>
> switch out****
>
> löschen****
>
> unship****
>
> ausladen, entladen, abnehmen, löschen****
>
> souse****
>
> eintauchen, durchtränken, löschen, nass machen****
>
> rub off****
>
> abreiben, abgehen, abwetzen, ausradieren, abscheuern, löschen****
>
> strike off****
>
> löschen****
>
> land****
>
> landen, an Land gehen, kriegen, an Land ziehen, aufsetzen, löschen****
>
>  ****
>
>  ****
>
>  ****
>
> According to this, the consolidation of disambiguation/namedEntity/  data
> categories under “Terminology”
> http://www.w3.org/International/multilingualweb/lt/wiki/Requirements#disambiguationcould be the following. It is thought to cover operational URI or XPath
> pointers to the current three most important semantic resources: conceptual
> (ontology), semantic (semantic networks or lexical databases) and
> terminological (glossaries and terminological resources), where ontologies
> are used for both general lexicon and terminology, semantic networks to
> represent general vocabulary (lexicon), and terminological resources
> specialized vocabulary.****
>
>  ****
>
> *disambiguation*****
>
> Includes data to be used by MT systems in disambiguating difficult content
> ****
>
>  ****
>
> *Data model*****
>
>    - concept reference: points to a *concept in an ontology* that this
>    fragment of text represents. May be an URI or an XPath pointer.****
>    - semantic selector: points to a *meaning in an semantic network* that
>    this fragment of text represents. May be an URI or an XPath pointer.***
>    *
>    - terminology reference: points to *a term in a terminological resource
>    * that this fragment of text represents. May be an URI or an XPath
>    pointer.****
>    - equivalent translation: expressions of that concept in other
>    languages, for example for training MT systems****
>
>  ****
>
>  ****
>
> Also, I would keep *textAnalysisAnnotation*, since the purpose is quite
> different.****
>
>  ****
>
> Anyway, if we consider not to include “semantic selector” now, maybe it
> can be for future versions or to be treated in liaison with other groups.*
> ***
>
>  ****
>
> I hope it helps,****
>
> Pedro****
>
>  ****
>
> *__________________________________*****
>
> * *****
>
> *Pedro L. Díez Orzas*****
>
> *Presidente Ejecutivo/CEO*****
>
> *Linguaserve Internacionalización de Servicios, S.A.*****
>
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> Fax: +34 91 542 89 28 *****
>
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>
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>  *____________________________________*****
>
>  ****
>
>  ****
>
>  ****
>
>
>
> ****
>
>  ****
>
> --
> Felix Sasaki****
>
> DFKI / W3C Fellow****
>
>  ****
>
> ** **
>
>
>
> ****
>
> ** **
>
> --
> Felix Sasaki ****
>
> DFKI / W3C Fellow****
>
> ** **
>
> ** **
>
>
>
> ****
>
> ** **
>
> --
> Felix Sasaki ****
>
> DFKI / W3C Fellow****
>
> ** **
>
> ** **
>



-- 
Felix Sasaki
DFKI / W3C Fellow
Received on Friday, 8 June 2012 15:40:26 UTC

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