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- | ====== Lexical Semantics Workshop (ESSLLI 2008) ====== | ||
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- | **Bridging the gap between semantic theory and computational simulations**\\ | ||
- | //Workshop at [[http:// | ||
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- | ===== Background and motivation ===== | ||
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- | [[http:// | ||
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- | Corpus-based distributional models (such as LSA or HAL) | ||
- | have been claimed to capture interesting aspects of word meaning | ||
- | and provide an explanation for the rapid acquisition of semantic | ||
- | knowledge by human language learners. | ||
- | However, although these models have been proposed as | ||
- | plausible simulations of human semantic space organization, | ||
- | careful and extensive empirical tests of such claims are still lacking. | ||
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- | Systematic evaluations typically focus on large-scale | ||
- | quantitative tasks, often more oriented towards engineering | ||
- | applications (see, e.g., the recent SEMEVAL evaluation campaign) than | ||
- | towards the challenges posed by linguistic theory, | ||
- | philosophy and cognitive science. | ||
- | between corpus-driven computational approaches to semantics on the one | ||
- | hand and theory-driven symbolic approaches on the other -- a situation that | ||
- | is characteristic of the linguistic and of most | ||
- | of the cognitive tradition. | ||
- | Moreover, whereas human lexical semantic competence is obviously | ||
- | multi-faceted -- ranging from free association to taxonomic judgments to | ||
- | relational effects -- tests of distributional models tend to focus on a | ||
- | single aspect (most typically the detection of semantic similarity), | ||
- | and few if any models have been tuned to tackle | ||
- | different facets of semantics in an integrated manner. | ||
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- | Our workshop purports to fill these gaps by inviting research teams and | ||
- | individual scholars to test their computational models on a variety of small but | ||
- | carefully designed tasks that aim to bring out linguistically and | ||
- | cognitively interesting aspects of semantics | ||
- | ([[#Tasks and data sets|see below]] for details). | ||
- | datasets are available to the participants, | ||
- | encouraged to explore them and highlight interesting aspects of their | ||
- | models' | ||
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- | The focus is NOT on competition, | ||
- | models highlight different semantic aspects, how far we are from | ||
- | an integrated model, and which aspects of semantics are beyond the | ||
- | reach of purely distributional approaches. | ||
- | In fact, we believe that at the current state of the art in | ||
- | computational and distributional semantics, our goal should not be | ||
- | to develop the best-performing model for a specific application, | ||
- | to enlarge our understanding of the limits and potentialities | ||
- | of different approaches when confronted with cognitively realistic tasks. | ||
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- | In addition to these practical tasks, theoretical and experimental papers | ||
- | discussing the relation between distributional and symbolic approaches to meaning | ||
- | are also invited. | ||
- | task data sets from a theoretical perspective or that discuss simulation results | ||
- | and their implications for semantic and cognitive theory. | ||
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- | Through collaborative preparatory work on the Word Space wiki ([[http:// | ||
- | collaboration among the nascent community of researchers interested in computational semantics from a theoretical rather than engineering-oriented point of view. | ||
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- | For further information, | ||
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- | ===== Tasks and data sets ===== | ||
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- | In order to reach a better understanding of the possibilities and limitations | ||
- | of distributional models of word meaning, we envisaged a number of tasks that | ||
- | focus on linguistic and cognitive challenges rather than application engineering. | ||
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- | Small annotated data sets are available on the workshop page and participants are invited | ||
- | to apply their computational models and conduct a thorough analysis of the results. | ||
- | The goal is not to achieve better precision than competitors, | ||
- | the strengths and weaknesses of individual models, analyze and explain errors, etc. | ||
- | Theoretical discussions of the data sets from a linguistic or cognitive perspective | ||
- | are also invited and will complement the empirical findings. | ||
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- | Ongoing work on data set preparation can be monitored at [[http:// | ||
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- | We offer the following tasks (click on the links for detailed task descriptions and downloads): | ||
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- | * **categorization** | ||
- | * [[data: | ||
- | * [[data: | ||
- | * [[data:Verb Categorization|verb categorization]] | ||
- | * **modelling free association** | ||
- | * [[data: | ||
- | * **generation of salient properties of concepts** | ||
- | * [[data: | ||
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- | ===== Workshop information ===== | ||
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- | === Dates === | ||
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- | * **April 4, 2008**: Paper submission deadline | ||
- | * **April 24, 2008**: Notification | ||
- | * **August 4-9, 2008**: Workshop in Hamburg (during the first week of ESSLLI) | ||
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- | === Programme Committee === | ||
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- | Marco Baroni (University of Trento) **(co-organizer)**\\ | ||
- | Reinhard Blutner (University of Amsterdam)\\ | ||
- | Gemma Boleda (UPF, Barcelona)\\ | ||
- | Peter Bosch (University of Osnabrück)\\ | ||
- | Paul Buitelaar (DFKI, Saarbrücken)\\ | ||
- | John Bullinaria (University of Birmingham)\\ | ||
- | Katrin Erk (UT, Austin)\\ | ||
- | Stefan Evert (University of Osnabrück) **(co-organizer)**\\ | ||
- | Patrick Hanks (Masaryk University, Brno)\\ | ||
- | Anna Korhonen (Cambridge University)\\ | ||
- | Michiel van Lambalgen (University of Amsterdam)\\ | ||
- | Alessandro Lenci (University of Pisa) **(co-organizer)**\\ | ||
- | Claudia Maienborn (University of Tübingen)\\ | ||
- | Simonetta Montemagni (ILC-CNR, Pisa)\\ | ||
- | Rainer Osswald (University of Hagen)\\ | ||
- | Manfred Pinkal (University of Saarland)\\ | ||
- | Massimo Poesio (University of Trento)\\ | ||
- | Reinhard Rapp (University of Mainz)\\ | ||
- | Magnus Sahlgren (SICS, Kista)\\ | ||
- | Sabine Schulte im Walde (University of Stuttgart)\\ | ||
- | Manfred Stede (University of Potsdam)\\ | ||
- | Suzanne Stevenson (University of Toronto)\\ | ||
- | Peter Turney (NRC Canada, Ottawa)\\ | ||
- | Tim Van de Cruys (University of Groningen)\\ | ||
- | Gabriella Vigliocco (University College, London)\\ | ||
- | Chris Westbury (University of Alberta) | ||
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- | ===== Paper submission ===== | ||
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- | We welcome papers reporting results of experimenting | ||
- | with word space models on one or more workshop tasks, as well as | ||
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- | We also welcome papers focussing on: | ||
- | * methodological and theoretical issues concerning word space models; | ||
- | * open challenges for distributional methods for semantic analysis; | ||
- | * interactions with formal approaches to meaning; | ||
- | * interaction with cognitive research on human semantic memory. | ||
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- | The papers should not be longer than 8 pages, and they should be | ||
- | submitted anonymously in PDF format following the | ||
- | [[http:// | ||
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- | Submission must be sent to [[lexsem08@gmail.com|lexsem08@gmail.com]], | ||
- | no later than **April 4**, | ||
- | specifying PAPER SUBMISSION in the subject and the authors' | ||
- | names and affiliation in the message body. | ||
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- | === Workshop homepage === | ||
- | [[http:// | ||
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- | === ESSLLI 2008 homepage === | ||
- | [[http:// | ||
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