[QALD-1]: DEADLINE EXTENSION for 1st Workshop on Question Answering over Linked Data (QALD-1)

(apologies for cross-posting)
1st Workshop on Question Answering over Linked Data (QALD-1)

	http://www.sc.cit-ec.uni-bielefeld.de/qald-1

		   collocated with the

	   Extended Semantic Web Conference (ESWC)

                    http://www.eswc2011.org/


* Motivation & Scope *

The workshop is aimed at all researchers and practitioners working on  
natural language processing approaches to question answering over  
Linked Data as well as related topics.
While more and more semantic data is published on the Web, in  
particular following the Linked Data principles, the question of how  
typical Web users can access this body of knowledge through an  
intuitive and easy-to-use interface that hides the complexity of the  
Semantic Web standards becomes of crucial importance. Since users  
prefer to express their information need in natural language, one of  
the main challenges lies in translating the user's information needs  
into a form such that they can be evaluated using standard Semantic  
Web query processing and inferencing techniques. In recent years,  
there have been important advances in semantic search and question  
answering over RDF data, and in parallel there has been substantial  
progress on question answering from textual data as well as in the  
area of natural language interfaces to databases. This workshop aims  
at bringing together researchers from these communities that accept  
the challenge of scaling question answering appro!

  aches to the growing amount of heterogeneous and distributed Linked  
Data.

* Open Challenge *

To facilitate the comparison between different approaches and systems,  
the workshop will be preceded by an open challenge in question  
answering on DBpedia and MusicBrainz. The datasets with 50 training  
questions on each dataset as well as instructions about how to  
participate in the open challenge can be found here: http://www.sc.cit-ec.uni-bielefeld.de/qald-1 
.

* Call for Papers *

We welcome the submission of research papers on all aspects of  
question answering over Linked Data, system descriptions of systems  
participating in the shared task, and short papers on preliminary  
research.

The following topics are of special interest:

- Question analysis
- Natural language processing approaches applied to semantic search  
engines
- Disambiguation and inferencing across multiple sources and domains
- Distributed evaluation of queries over Linked Data
- Lexical resources supporting question answering over Linked Data
- Discovery on the fly of relevant Linked Data sources
- Support for multiple natural languages and cross-lingual QA
- Methods for scaling up question answering to Linked Data
- Efficiency and performance aspects
- Dealing with data and schema heterogeneity
- Answer merging and ranking
- Providing justifications of answers and conveying trust
- User feedback and interaction
- Habitability and usability aspects
- Evaluation of question answering approaches for Linked Data

* Important Dates (extended) *

Release of training dataset:		January 31
Release of test dataset:		March 28
Submission of results:			April 1
Deadline for abstracts (REQUIRED):	March 4
Deadline for full papers (EXTENDED):	March 14
Notification of acceptance:		April 1
Camera-ready version of papers:		April 15
Workshop:				May 29 or 30


* Submission Details *

Research papers should not exceed 12 pages in length (excluding  
references), system descriptions should not exceed 8 pages (excluding  
references). Short papers describing preliminary research or positions  
can also be submitted and should not exceed 4 pages in length. All  
papers have to be submitted in PDF format; camera-ready versions must  
be formatted according to the LNCS guidelines.

Submission and reviewing will be via EasyChair:

		http://www.easychair.org/conferences/?conf=qald1

For detailed information and updates on the shared task, there is a  
QALD-1 mailing list, to which you can subscribe at the following  
location:

https://lists.techfak.uni-bielefeld.de/cit-ec/mailman/listinfo/qald-1
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