NAACL Workshop on Multiword Expressions

Страна: США

Город: Denver

Тезисы до: 08.03.2015

Даты: 04.06.15 — 04.06.15

Область наук: Филологические;

Е-мейл Оргкомитета:

Организаторы: Special Interest Group on the Lexicon of the Association for Computational Linguistics


Under the denomination "multiword expression", one assumes a wide range of linguistic constructions such as idioms (“storm in a teacup”, “sweep under the rug”), fixed phrases (“in vitro”, “by and large”, “rock'n roll”), noun compounds (“olive oil”, “laser printer”), compound verbs (“take a nap”, “bring about”), etc. While easily mastered by native speakers, their interpretation poses a major challenge for computational systems, due to their flexible and heterogeneous nature.

For a start, MWEs are not nearly as frequent in NLP resources as they are in real-world text, and this problem of coverage may impact the performance of many NLP tasks. Moreover, treating MWEs also involves problems like determining their semantics, which is not always compositional (“to kick the bucket” meaning “to die”). In sum, MWEs are a key issue and a current weakness for natural language parsing and generation, as well as real-life applications depending on language technology, such as machine translation, just to name a prominent one among many. Thanks to the joint efforts of researchers from several fields working on MWEs, significant progress has been made in recent years, especially concerning the construction of large-scale language resources. For instance, there is a large number of recent papers which focus on acquisition of MWEs from corpora, and others that describe a variety of techniques to find paraphrases for MWEs. Current methods use a plethora of tools such as association measures, machine learning, syntactic patterns, web queries, etc. A considerable body of techniques, resources and tools to perform these tasks are now available, and are indicative of the growing importance of the field within the NLP community.

Many of these advances are described as part of the annual workshop on MWEs, which attracts the attention of an ever-growing community working on a variety of languages and MWE types. The workshop has been held since 2001 in conjunction with major computational linguistics conferences (ACL, EACL, NAACL, COLING, LREC), providing an important venue for the community to interact, share resources and tools and collaborate on efforts for advancing the computational treatment of MWEs. Additionally, special issues on MWEs have been published by leading journals in computational linguistics. The latest such effort is the special issue on “Multiword Expressions: from Theory to Practice and Use”, which has recently been published by the ACM Transactions on Speech and Language Processing.

MWE 2015 will be the 11th event in the series. We will be interested in major challenges in the overall process of MWE treatment, both from the theoretical and the computational viewpoint, focusing on original research related (but not limited) to the following topics:

    Lexicon-grammar interface for MWEs
    Parsing techniques for MWEs
    Hybrid parsing of MWEs
    Annotating MWEs in treebanks
    MWEs in Machine Translation and Translation Technology
    Manually and automatically constructed resources
    Representation of MWEs in dictionaries and ontologies
    MWEs and user interaction
    Multilingual acquisition
    Multilingualism and MWE processing
    Models of first and second language acquisition of MWEs
    Crosslinguistic studies on MWEs
    The role of MWEs in the domain adaptation of parsers
    Integration of MWEs into NLP applications
    Evaluation of MWE treatment techniques
    Lexical, syntactic or semantic aspects of MWEs

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