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*SEM-2012 June 7-8, Montreal, Canada
*SEM (pronounced STARSEM) The first joint conference on lexical and computational semantics
Collocated with NAACL-HLT 2012
Paper submission deadline: 30 March 2012 (GMT -12)

----- FINAL CALL FOR PAPERS: *SEM-2012 -----
We are pleased to announce that the ACL special interest groups SIGLEX and SIGSEM are organizing a joint conference on lexical and computational semantics: *SEM. This event will provide two days of intensive semantics-related talks, posters and task reports and serve as a meeting-point for the lexical/computational semantics community, bringing together researchers interested in any aspects of semantic processing of human language. *SEM embraces both symbolic and probabilistic approaches, and everything in between; theoretical contributions are welcome as well. The long-term goal of *SEM is to provide a stable forum for the growing number of NLP researchers working on semantics.

- Word sense disambiguation - Multiword and idiomatic expressions - Semantic role labeling - Discourse structure - Rhetorical relations - Pronouns and co-reference - Distributional and statistical semantics - Data-driven semantics - Mathematical methods for semantics - Semantic analysis - Formal approaches to semantics - Semantic annotation and evaluation - Knowledge mining - Semantic web - Inference and ontologies - Textual inference and question answering - Generation and summarization - Ontology learning and population

----- SUBMISSIONS -----
*SEM submissions must describe unpublished work and be written in English. Each submission will be reviewed by at least three program committee members. Final versions should take into account reviewers' comments. We solicit both long and short papers. Long papers may consist of up to eight (8) pages of content, plus two extra pages for references, short papers of up to four (4) plus one extra page for references. Long papers typically describe original research and will be presented orally. Short papers, (typically: ongoing research, project or system description, opinion piece), will be presented as a poster.

As the reviewing will be blind, the paper must not include the authors' names and affiliations. Furthermore, self-references that reveal the author's identity, e.g., "We previously showed (Smith, 1991) ..." must be avoided. Instead, use citations such as "Smith previously showed (Smith, 1991) ..." Papers that do not conform to these requirements will be rejected without review. In addition, please do not post your submissions on the web until after the review process is complete.
Papers should be submitted using the START system: https://www.softconf.com/naaclhlt2012/STARSEM2012/

----- FORMAT ----
We strongly recommend the use of ACL LaTeX style files or Microsoft Word style files tailored for this year's conference. Submissions must conform to the official style guidelines, which are contained in the style files, and they must be electronic in PDF.
All submissions must be electronic in PDF and must follow the two-column format of ACL proceedings. Authors are strongly recommended to use the style files (Latex and Word) provided below. It is very important to specify US Letter format. All camera-ready manuscripts should look like the sample PDF file below, which also contains detailed formatting requirements.
Style files: http://www.naaclhlt2012.org/downloads/naaclhlt2012.tgz
Please see http://www.naaclhlt2012.org/downloads/naaclhlt2012.pdf for detailed formatting instructions.

----- SHARED TASK: Resolving the Scope and Focus of Negation -----
Every *SEM edition will include a shared task in which training and test data are provided by the organizers, which allows participating systems to be evaluated and compared in a systematic way. Descriptions of the participating systems and an evaluation of their performance will be presented both at the conference and in the proceedings. The same or similar shared tasks may be chosen for several years in a row to focus the research attention of the community on a particular semantic task.

For *SEM 2012, we will be hosting a shared task on "Resolving the Scope and Focus of Negation".

Please refer to http://www.clips.ua.ac.be/sem2012-st-neg/ for more information.

----- SEMEVAL: Semantic Evaluation Exercises -----
The Semantic Evaluation (SemEval) series of workshops focuses on the evaluation of semantic analysis systems with the objective of comparing systems that can analyze diverse semantic phenomena in text. SemEval-2012 will be associated with *SEM, and will comprise the following tasks:

1. English Lexical Simplification 2. Measuring Degrees of Relational Similarity 3. Spatial Role Labeling 4. Evaluating Chinese Word Similarity 5. Chinese Semantic Dependency Parsing 6. Semantic Textual Similarity 7. COPA: Choice Of Plausible Alternatives An evaluation of commonsense causal reasoning 8. Cross-lingual Textual Entailment for Content Synchronization

Please refer to http://www.cs.york.ac.uk/semeval-2012/ for more information.

----- IMPORTANT DATES (all deadlines GMT -12) -----
*SEM papers due: March 30th 2012 *SEM Notification of acceptance: April 23rd 2012 *SEM Camera-ready deadline: May 4th 2012 *SEM Conference: June 7-8 2012
Shared task outputs due: March 15th 2012 Shared task papers due: March 11th 2012 SemEval outputs due: April 1st 2012 (task dependent) SemEval papers due: April 16th 2012

----- CONTACT -----
Eneko Agirre, General Chair Johan Bos, PC Co-chair Mona Diab, PC Co-chair e-mail: starsem-organizers at googlegroups com