13.192, Jobs: Language Resources: Technical Centers
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LINGUIST List: Vol-13-192. Thu Jan 24 2002. ISSN: 1068-4875.
Subject: 13.192, Jobs: Language Resources: Technical Centers
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Date: Fri, 18 Jan 2002 17:35:56 +0100
From: Magali Duclaux <duclaux at elda.fr>
Subject: Written Language Resources: Technical Centers
-------------------------------- Message 1 -------------------------------
Date: Fri, 18 Jan 2002 17:35:56 +0100
From: Magali Duclaux <duclaux at elda.fr>
Subject: Written Language Resources: Technical Centers
*******************************
ELRA Technical Centers
*******************************
*** CALL FOR CREATING A NETWORK OF TECHNICAL
CENTERS FOR WRITTEN LANGUAGE RESOURCES VALIDATION ***
1. Preamble
Describing, assuring and improving the quality of language resources
are important tasks. The assurance of such quality is an important
factor in ELRA's success. In the start up phase of ELRA it was
foreseen that a Network of Technical Centers should be established to
handle quality control. To date a technical center for the validation
of spoken language resources has been established. ELRA now intends to
initiate the establishment of a network of technical centers for the
validation of written language resources, the Validation Centers for
Written Language Resources or VC_WLR. Written resources include
lexicons as well as text corpora, possibly enriched with all kinds of
annotations (POS-tags, syntactic structures, etc.). The procedure to
establish the VC_WLR is identical to the one adopted in establishing
the technical centers for spoken language resources, viz. they are to
be established via an open call. Those European institutions willing
to act as a VC_WLR for ELRA should send an offer to ELRA. The
contents of this offer are described below. In particular, the offer
must contain a proposal on how to address the problem of the detailed
and thorough knowledge of a wide variety of languages required by the
validation of multilingual resources. ELRA's Board will decide which
institutions will be selected. The selection of each candidate
institution will be based on its ability to fulfill the tasks
described in Section2. The organizational and financial aspects are
described in Section 3.
2.Work packages (WP) of the VC_WLR
2.1 Extending the Methodology for Describing the Quality and Content
of Existing WLR
In the catalogue of ELRA many WLR are offered whose quality and
content is not yet described in a satisfactory way. Some projects have
resulted in linguistic resources distributed by ELRA that are
comparable across languages in accordance with a commonly agreed
content and format specification (e.g. PAROLE). However, almost no
written data distributed by ELRA have been subject to validation by an
external party and in accordance with a commonly agreed validation
scheme (except for a limited number of PAROLE lexicons, and recently
in the context of the ENABLER project). Though some research into the
validation of linguistic resources has taken place and recommendations
and guidelines have been formulated (e.g. Nancy Underwood et al., June
1998; Lou Burnard for text corpora), these have to be reviewed and
where necessary adapted and extended to develop a concrete and
workable methodology for the ELRA validation of written linguistic
resources. The knowledge and expertise gained in the successful
approach to validation taken in the SpeechDat family of spoken
resources and by the existing ELRA validation center for spoken
resources could be taken into consideration here, and its methods and
approaches translated into an approach adapted for written language
resources while maintaining the key elements that determined the
success of the approach to speech. The first task of the VC_WLR is to
establish and/or extend the methodology for quality and content
description so far developed. The related document should focus on the
quality and content of the WLR offered in the ELRA catalogue. A
standard form should be developed for describing the content and
quality of a WLR, starting from the form currently in use and taking
into account the work carried out within TEI, OLAC, etc. The WLR in
the ELRA catalog will have to be described according to this
standard. This description will be used as a basis for providing any
(potential) user with a quick overview in the ELRA catalogue relating
to the quality and content of each WLR offered.
Output of WP2.1: - Document describing methodology concerning quality
and content - Content and quality description of all ELRA WLR
2.2 Improving the Quality of Existing WLR
Existing WLR may have errors that could be removed with reasonable
effort. The task of the VC_WLR is to establish a procedure to remove
these errors. Especially a procedure has to be established which
handles the errors reported by users of WLR (bug reporting
procedure). Further, the existing WLR can be improved by better
documentation, by reformatting according to established standards and
by content changes. A similar procedure for spoken language resources
has been proposed and is currently being implemented and experimented
with, hence it is sensible to investigate to what extent the procedure
proposed for SLR can be adopted for the improvement of WLR and what
modifications and or extensions are necessary or desirable. The
quality of the existing WLR should be gradually improved in accordance
with a priority scheme that has to be worked out in close cooperation
with ELRA's validation committee. The scheme has to be approved by the
ELRA board.
Output of WP 2.2:
- Report describing the procedure to be used to improve existing WLR
- Improve existing WLR according to a priority scheme
2.3 Quality Standards for WLR
The VC_WLR have to play a leading role in establishing quality
standards for WLR. for this task the VC_WLR have to cooperate with
organizations involved in the production of WLR such as the consortia
of the PAROLE and SIMPLE projects, and with ELRA's distribution agency
(currently ELDA). Additionally, the extent to which existing
recommendations, guidelines and proposed standards from groups such as
the EAGLES and ISLE projects can be incorporated should be considered
throughout.
Output of WP 2.3:
- Report describing the procedure for building up relationships with
significant
WLR producers and standards groups
- Following on from the report, the establishment of those relationships
2.4 Validation of New WLR
Owners of WLR regularly offer their WLR to ELRA for distribution. ELRA
has the distribution carried out by its distribution agency (currently
ELDA). Each time a WLR is offered for distribution, the task of the
VC_WLR is to establish in cooperation with the owner of the WLR a
manual containing:
- The specification of the content of the WLR,
- The validation criteria for checking the quality of the WLR,
- The procedure to validate the WLR.
Based on this manual the VC_WLR have to validate any new WLR offered for
distribution.
Output of WP 2.4:
- Report on the validation procedure as specified in a specific contract
between ELDA and the center(s)
2.5 Reporting
Twice a year the VC_WLR must report work undertaken to date to the board of
ELRA via the head of the validation committee.
Output of WP 2.5:
- Status reports
3. Organizational and Financial Issues
3.1 Relation between ELRA and VC_WLR
Concerning the tasks 2.1, 2.2, 2.3, 2.5 as described above the
relation between ELRA and the institution(s) that are appointed as
VC_WLR will be regulated by a contract between ELRA and those
institutions. The contract has to be renewed after every fiscal year
of ELRA by the Board of ELRA. Three months before the end of each
fiscal year of ELRA the Board of ELRA will decide on the financial
support to be given to the VC_WLR for the next fiscal year to perform
the tasks 2.1, 2.2, 2.3, 2.5. Annually, a letter of intent will
describe a budget for the year for the VC_WLR. The initial amount
made available will be approximately 15K EUR. The ELRA validation
committee will act as a steering committee for all activities related
to validation of written resources. All actions proposed by the
validation committee and agreed upon between the validation committee
and the appointed VC_WLR will have to be approved by the ELRA Board.
3.2 Relation between ELDA and the VC_WLR
Separate contracts will be made with ELDA concerning task 2.4 on a
case-by-case basis.
4. Format and Procedure for Offer
To apply to be a VC_WLR, send your offer by e-mail (as ASCII or RTF
files, approx. 2000 words) to the CEO of ELRA (Khalid Choukri,
choukri at elda.fr) and to the head of the ELRA validation committee
(Harald Hoege, harald.hoege at mchp.siemens.de). The e-mail should
contain:
1. Name of the proposing institute
2. The name of the person at the institute who will be the head of the VC_WLR.
3. A statement outlining the suitability of the institute to act as a VC_WLR.
4. A proposal on how the institute plans to provide for the required
detailed and thorough knowledge of a wide variety of languages.
5. A list of personnel who will work on the tasks to be undertaken by the
VC_WLR.
6. A possible start date
7.3 Sketch of the work for the work packages described that can be carried out
within the fiscal year 2002 (1.1.02 31.12.02) for a budget of inferior or
equal to 15KEUR.
For each work package a rough estimate for the costs should be given.
Proposals are due by Friday March 1, 2002.
*****************************
ELRA/ELDA
55-57, rue Brillat Savarin
75013 Paris
France
Tel.: +33 1 43 13 33 33
Fax: +33 1 43 13 33 30
Email: choukri at elda.fr
******************************
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