Computational Linguistics in Bulgaria (CLIB-2014)

The Department of Computational Linguistics (DCL) is proud to announce the launching of the Conference on Computational Linguistics in Bulgaria and the Call for Papers for its first issue.

CLIB is an international conference that aims to foster the NLP community in Bulgaria and further the cooperation with Bulgarian researchers working in NLP around the world through establishing a forum for sharing high-quality scientific work in all areas of computational linguistics and NLP.

The First CLIB Conference will be held in Sofia, Bulgaria, on September 4, 2014. It is organised by the team of the Department of Computational Linguistics at the Institute for Bulgarian Language in conjunction with the Faculty of Slavic Studies and the Faculty of Mathematics and Informatics at Sofia University.


The conference will have two oral sessions, one in the morning and one in the afternoon, and a poster session, which will feature conference posters and a Language Technologies Exhibition.

The Conference Programme can be downloaded from here.


CLIB 2014 will be held at Hilton Sofia. The hotel is situated in the centre of the city, opposite the National Palace of Culture and within a very easy distance from the main attractions of the city. Having multi-functional meeting rooms with all necessary equipment and high-speed internet, as well as a gourmet food service, Hilton Sofia is a preferred congress venue.

The hotel is situated around 12 km from Sofia Airport and less than 5 km from the Central Railway Station and the Central Bus Station.


From the Airport: The transfer time from Sofia Airport to the city centrе is approx. 20 minutes, and the fare is approx. 12-14 BGN (6.00-7.00 EUR) depending on the company and time of day. For your convenience and safety, we would recommend that you use the services of the taxi companies which Sofia Airport has contracts with. You can order one from the Information Desk at the Airport.

There is no direct mass transport route from the Airport to Hilton Sofia. If you opt for this means of transportation, you can get Bus No. 84, which departs from Terminal 1 & 2. The bus operates on the following route: Gen. Gurko Str. – Blvd. Tzarigradsko shose – Blvd. Christopher Columbus – Prodan Tarakchiev Str. – Terminal 2 – Terminal 1.

The reverse route is from Terminal 1, along Christopher Columbus Blvd, towards Gen. Gurko Str.

The entire journey takes approximately 40 min during weekdays and 30 min. at weekends and holidays.

To get to the venue, you need to get off at Orlov Most. From the same stop you can take Bus Line 94, which stops in front of Hilton Sofia.

From the Central Railway Station and the Central Bus Station: The two stations are located next to each other. The easiest way to reach the venue from either of them is to get the Metro Line 2 to Sveti Naum Station. You can also hail a taxi, which should cost no more than 5-6 BGN (2.50-3.00 EUR).


Mass transit: A single-trip ticket costs 1 BGN (~0.50 EUR). It entitles you to carry a certain number of luggage pieces. Tickets can be bought from kiosks at the bus stops or from the bus driver. Note that bus drivers don't always have tickets at their disposal so, if possible, buy a ticket in advance. Tickets for the Metro are sold at the vending machines and the kiosks located at stations' entrances.


FOR PREFERENTIAL HOTEL PRICES, PLEASE CONTACT OUR TRAVEL PARTNER AT with an e-mail subject: request for accommodation CLIB.


CLIB will cover a broad spectrum of areas related to natural language processing, with a special focus on Bulgarian.


CLIB-2014 invites contributions on original research, including, but not limited to the following topics:

  • semantics, syntax, grammar and the lexicon;
  • cognitive, mathematical and computational models of language processing;
  • discourse and pragmatics;
  • lexical semantics and ontologies;
  • word segmentation, tagging and chunking;
  • syntactic and semantic parsing;
  • generation and summarisation;
  • resource-light language processing;
  • paraphrasing, textual entailment and question answering;
  • NLP applications, tools and language resources (speech recognition, text-to-speech and spoken language understanding and modelling; information retrieval and information extraction; sentiment analysis, opinion mining and social media; NLP from/for the Web);
  • statistical and machine learning methods;
  • multilingual processing and applications, machine translation and translation aids.

Papers describing research in theoretical computational linguistics are also solicited. At the same time, we encourage all authors to include analysis of the impact of theories on technologies, and/or contributions of technologies to the advancement of theory, where appropriate. In-depth analysis and discussion of errors made in the experiments described and the influence of linguistically-motivated features on the performance of the methods and/or models applied will receive additional credit toward the overall evaluation score.


Papers should describe original work. While they should emphasise completed or well-advanced ongoing research rather than intended work, submissions describing a small, focused contribution or work in progress showing promising results are also invited. Papers should indicate clearly the state of completion of the reported results, with concrete evaluation and analysis of results, where appropriate.

Submissions will be judged on correctness, originality, technical strength, significance, meaningful comparison, thoroughness, contributions to research resources, relevance to the conference, and interest to the attendees.

Submissions presented at the conference should contain new material that has not been presented at any other meeting with publicly available proceedings.


There will be two categories of research papers: oral and poster presentations. All of the papers will be included in the conference proceedings.

The maximum submission length is 8 pages (A4) of content, plus two extra pages for references. Final versions should take into account reviewers' comments.

Papers will be presented orally or as posters as determined by the Programme Committee. While decisions on the mode of presentation will be based on the reviewers’ recommendations, author(s)' preferences may be taken into account, where appropriate. There will be no distinction in the Proceedings between papers presented orally and as posters.

Papers shall be submitted in English. As reviewing will be blind, they should be anonymised with regard to the authors and/or their institutional affiliation and should not contain any other author-identifying information, including self-references revealing the author’s identity. Authors should also ensure that identifying meta-information is removed from all the files submitted for review.

Reviewing will be double blind. Each submission will be reviewed by at least two anonymous reviewers.

Papers must conform to the CLIB-2014 style guidelines, which are described here. The LaTex template along with the pertaining style and sample bibliography file can be downloaded from here here. The LibreOffice/OpenOffice and Microsoft Word templates are also available.

The only accepted format for submitted papers is in Adobe's PDF.

Submission and reviewing will be managed online by the EasyChair conference management system through the CLIB-2014 login page. Submissions must be uploaded on the EasyChair system by the submission deadlines. Submissions after that time will not be reviewed.

UPDATE! Posters should be no larger than 1940 mm wide and 950 mm high. The poster orientation is horizontal. The conference will provide self-standing poster board, pushpins, clips, double-sided tape, etc. for mounting.

The Poster Session starts at 12:30 pm. Authors of papers with poster presentations should make sure that the posters be mounted by that time.


End of March 2014: Opening of the submission website – SUBMISSION IS NOW OPEN!
May 31 June 15, 2014, 23.59, UTC/GMT (extended): Paper submission deadline
July 10, 2014: Reviews due
July 15, 2014: Author notification
July 31, 2014, 23.59, UTC/GMT: Camera-ready PDF due
August 31, 2014: Official paper publication date
September 4, 2014: Conference


Тsvetana Dimitrova – Institute for Bulgarian Language, Department of Computational Linguistics
Ekaterina Tarpomanova – Sofia University St. Kliment Ohridski, Faculty of Slavic Studies
Rositsa Dekova – Institute for Bulgarian Language, Department of Computational Linguistics
Bilyana Radeva – Sofia University St. Kliment Ohridski, Faculty of Slavic Studies
Vladislav Nenchev – Sofia University St. Kliment Ohridski, Faculty of Mathematics and Informatics
Andrey Sariev – Sofia University St. Kliment Ohridski, Faculty of Mathematics and Informatics
Stefan Vatev – Sofia University St. Kliment Ohridski, Faculty of Mathematics and Informatics
Svetlozara Leseva – Institute for Bulgarian Language, Department of Computational Linguistics


Agata Savary – François-Rabelais University of Tours
Cvetana Krstev – University of Belgrade
Dan Cristea – Alexandru Ioan Cuza University of Iasi
Dan Tufiş – Research Institute for Artificial Intelligence (RACAI), Romanian Academy
Denis Maurel – François-Rabelais University of Tours
Duško Vitas – University of Belgrade
Eric Laporte – University of Paris-Est Marne-la-Vallée
Galia Angelova – Institute of Information and Communication Technologies (IICT), Bulgarian Academy of Sciences
Hristo Tanev – Joint Research Centre of the European Commission in Ispra, Italy
Ivan Derzhanski – Institute of Mathematics and Computer Science (IMI), Bulgarian Academy of Sciences
Ivelina Stoyanova – Institute for Bulgarian Language (IBL), Bulgarian Academy of Sciences
Jan Šnajder – University of Zagreb
Karel Oliva – Institute of the Czech Language, Academy of Sciences of the Czech Republic
Kjetil Rå Hauge – University of Oslo
Maciej Ogrodniczuk – Institute of Computer Science (ICS), Polish Academy of Sciences
Maciej Piasecki – Wroclaw University of Technology
Mariana Damova – Mozaika, Bulgaria
Marko Tadić – University of Zagreb
Preslav Nakov – Qatar Computing Research Institute
Radovan Garabík – Ľudovít Štúr Institute of Linguistics
Radka Vlahova – Sofia University St. Kliment Ohridski
Stoyan Mihov – Institute of Information and Communication Technologies (IICT), Bulgarian Academy of Sciences
Svetla Koeva – Institute for Bulgarian Language (IBL), Bulgarian Academy of Sciences
Tinko Tinchev – Sofia University St. Kliment Ohridski
Verginica Mititelu – Research Institute for Artificial Intelligence (RACAI), Romanian Academy


For enquiries regarding CLIB-2014, contact us via the Conference e-mail:


CLIB-2014 is supported by the project Integrating New Practices and Knowledge in Undergraduate and Graduate Courses in Computational Linguistics funded by the European Social Fund through the HRD OP 2007-2013 and the Republic of Bulgaria. Human Resource Development Operational Programme 2007-2013

The financial support is granted under Contract No. BG051PO001-3.3.06-0022 within the Operation Support to the development of PhD students, post-doctoral students, post-graduate students and young scientists of the General Directorate Structural Funds and International Educational Programmes" with the Ministry of Education and Science.