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Category:   E-CFP
Subject:   LREC 2002 Workshop on HLT applications
From:   Roberta Catizone
Email:   roberta_(on)_cedar.dcs.shef.ac.uk
Date received:   07 Feb 2002
Deadline:   22 Feb 2002
Start date:   02 Jun 2002

Call for Papers LREC 2002 Workshop 'Learning for Advanced HLT Applications: from Language Resources to Processes' 2nd June 2002, Las Palmas, Canary Islands - Spain Motivation and Aims The application of HLT to current IT trends requires large amounts of specific linguistic resources. However, existing large scale resources are never intended (i.e. designed and handcrafted) for specific application tasks. In order to bridge the existing gap, a variety of methods for acquisition, adaptation and integration of linguistic resources have been proposed in the NLP research area since the late 80's. Machine learning and statistical techniques have been largely employed as major devices able to deal with the scale and the complexity of the problem. Although a large area of research, the impact of these technologies on the applications is still low with respect to their potential. Open problems are: - the unclear targets of the learning activity: no general consensus exists among the proposed approaches to the quality and quantity of linguistic information needed for the different tasks (e.g. which is the suitable representation that captures selective information from the LR training material able to optimize parsing accuracy? Is it fully grammatical, like in bracketed corpora, or lexical); - the heterogeneity of sources: relevant information for the adaptation task can be distributed in different repositories (LKBs and texts) or expressed differently (in different languages and/or raw, e.g. texts, vs. semistructured data, e.g. HTML/XML formats); - the architectural idiosyncrasies: the proposed learning system make reference to different sources of information in different pipelined (or redundant as in voting) application architectures. - the application scope: current applications make a limited use (if any) of available adaptation technologies. This often limits the scale reachable by the current HLT aplications; The above issues are orientative towards the complexity of the problem in current research given the enormous potential of the application field in areas like Web Mining, Q\&A and Knowledge Management. This workshop aims to bring together researchers of both academic and industrial organizations interested in: - Theoretical and Practical aspects of adaptive Natural Language Processing - Models of Acquisition and Integration of Domain Knowledge - Integration of induction models from heterogeneus data (lexicons vs. ontologies, texts vs. HTML/XML pages) - Learning Multlingual Information exploiting Multilingual Resources (e.g. EWN) - Theoretical and Practical aspects of Lexical Acquisition in multilingual scenarios - Architectures for learning, adaptation, and integration of LR - Adaptive HLT applications (including but not limited to search, retrieval, navigation and QA) Papers are invited for presenting theoretical and methodological aspects of Machine Learning of Natural Language as well as approaches making effective use of adaptive methods in the perspective of pre-industrial or industrial applications. Program Committee Roberta Catizone University of Sheffield Walter Daelemans CNTS/Language Technology Group, Antwerp M. V. Marabello KnowledgeStones S.p.A M. T. Pazienza University of Roma, Tor Vergata G. Rigau Polytechnical University of Catalunia Horatio Rodriguez Polytechnical University of Catalunia A. Setzer University of Sheffield N. Webb University of Sheffield Y. Wilks University of Sheffield Rémi Zajac Systran Software, CA F.M. Zanzotto University of Roma, Tor Vergata Contact person Roberta Catizone University of Sheffield 211 Portobello Street, Regent Court, S1 4DP Sheffield (UK) phone: +44 114 2221897; fax +44 114 2221810 r.catizone_(on)_dcs.shef.ac.uk Time schedule (Important Dates) Deadline for workshop abstract submission: 22th of February 2002 Notification of acceptance: 15th of March 2002 Final version of paper for proceedings: 15th of April 2002 Workshop: 2st of June 2002 Agenda Morning Session: - 1st Invited Talk (8:00-9:00) - Technical Papers (9:00-11:30) - 2nd Invited Talk (11:30-12:30) - Panel and Round Table (12:30-1:30) A summary of the intended workshop Call for Participation. In the workshop the following invited speakers are expected: - Roberto Basili (University of Roma, Tor Vergata) - Fabio Ciravegna (University of Sheffield) A panel session on "Adaptive Technologies and their implications on advanced HLT applications (IR, IE, Q&A and KM)" Distinguished panelists will be invited. Some of them confirmed their partecipation and among others: - Nino Varile (EC Commission) - F. Gardin (AISoftware) Submissions Papers should describe existing research connected to the topics of the workshop. The presentation at the workshop will be 30 minutes long (20 minutes for presentation and 10 minutes for questions and discussion). Each submission should show: title; author(s); affiliation(s); and contact author's e-mail address, postal address, telephone and fax numbers. Abstracts (maximum 2 pages, plain-text format). The final version of the accepted papers should be no longer than 10 A4 pages. Instructions for formatting and presentation of the final version will be sent to authors upon notification of acceptance.

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