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RecSys 2015 : ACM International Conference on Recommender Systems


Conference Series : Conference on Recommender Systems
When Sep 16, 2015 - Sep 20, 2015
Where Vienna, Austria
Submission Deadline Apr 24, 2015
Notification Due Jun 24, 2015
Final Version Due Jul 16, 2015
Categories    recommender systems   user modeling   personalization   machine learning

Call For Papers


9th ACM International Conference on Recommender Systems (RecSys 2015)

September 16-20, 2015, Vienna, Austria

Submission Deadline: April 24 2015


We are pleased to invite you to participate in the premier annual event on research and applications of recommendation technologies, the Ninth ACM Conference on Recommender Systems (RecSys 2015).
The conference will be held in Vienna, Austria from Sept. 16th to Sept. 20th, 2015. Previous conferences have been distinguished by a strong level of interaction between researchers and practitioners in the sharing of ideas, problems and solutions. The 2015 conference will continue and reinforce this tradition.
We construe recommender systems broadly, including applications ranging from e-commerce to social networking, platforms from web to mobile and beyond, and a wide variety of technologies ranging from collaborative filtering to knowledge-based reasoning. Topics of interest for RecSys 2015 include (but are not limited to):

- Algorithm scalability
- Case studies of real-world implementations
- Conversational recommender systems
- Context-aware recommenders
- Evaluation metrics and studies
- Explanations and evidence
- Field and user studies
- Group recommenders
- Impact studies
- Innovative/New applications
- Machine learning for recommendation
- Mobile and multi-channel recommendations
- Novel paradigms
- Personalization
- Preference elicitation
- Privacy and Security
- Recommendation algorithms
- Social recommenders
- Semantic technologies for recommendation
- Targeted advertising
- Trust and reputation
- Theoretical foundations
- User interaction and interfaces
- User modelling

Important Dates

Long/Short Papers:
- Papers due: April 24th, 2015
- Notification: June 24th, 2015
- Camera-ready papers due: July 16th, 2015

Doctoral Symposium Papers:
- Papers due: May 14th, 2015
- Notification: June 24th, 2015
- Camera-ready papers due: July 16th, 2015

Workshop Proposals:
- Proposals due: March 1st, 2015
- Notification: March 15th, 2015
- Workshop papers due: July 3rd, 2015
- Camera-ready workshop summaries due: July 23rd, 2015

Tutorial Proposals:
- Proposals due: May 17th, 2015
- Notification: June 12th, 2015
- Camera-ready tutorial summaries due: July 16th, 2015

- Proposals due: April 30th, 2015
- Notification: June 24th, 2015
- Camera-ready demo summaries due: July 16th, 2015

Posters (late-breaking contributions):
- Submissions due: July 2nd, 2015
- Notification: July 30th, 2015
- Camera-ready poster summaries due: August 10th, 2015

Main conference Dates: Sept. 16-18, 2015
Workshops: Sept. 19-20, 2015
Doctoral Symposium: Sept. 19th, 2015

All deadlines refer to 23:59 in the UTC (Coordinated Universal Time) time zone.

There are two paper submission categories:

LONG PAPER submissions should report on substantial contributions of lasting value. The maximum length is 8 pages. Each accepted long paper will be included in the conference proceedings and presented in a plenary session as part of the main conference program. We expect the review process to be highly selective: the acceptance rates for full papers in the past three years were 20-24%.

SHORT PAPER submissions typically discuss exciting new work that is not yet mature enough for a long paper. The maximum length is 4 pages. Each accepted short paper will be included in the conference proceedings and presented in a poster session. The presentation may include a system demonstration.

Note that rejected long paper submissions will not be considered as short papers.

The Doctoral Symposium will provide doctoral students with the opportunity to have substantive interaction with other researchers on their dissertation topic. It will also allow students to establish a supportive community, including other doctoral students at similar stages of their dissertation research. The maximum paper length is 4 pages. Each accepted paper will be included in the conference proceedings and presented in the doctoral symposium.

The goal of the workshops is to provide additional venues for presenting research-in-progress on topics of interest and an informal forum to discuss research questions and challenges in greater depth and detail. A 2-page summary of each accepted workshop will be included in the conference proceedings.

The goal of the tutorials is to provide the larger conference community an opportunity to learn about recommender system concepts and techniques and serve as a venue to share presenters’ expertise with the global community of recommender system researchers and practitioners. We actively encourage both researchers and industry practitioners to submit tutorial proposals.

The demo session provides an exciting way for researchers and developers to present new recommender ideas, show off their work, and get valuable feedback from the recommender systems community. Demo submissions must include a narrated screen capture. A 2-page summary of each accepted demo will be included in the conference proceedings.

The poster session offers an opportunity for presenting late-breaking research results and speculative or innovative work in progress. The informal setting of the poster session encourages presenters and participants to engage in lively discussions about the presented work. A two-page summary of each accepted poster will be included in the extended proceedings of the conference.

Paper Format and Submission
All submissions and reviews will be handled electronically in PDF format. RecSys 2015 submissions should be prepared according to the standard ACM SIG proceedings format. We provide paper templates in Microsoft Word and LaTeX on the conference website. More details on the submission procedure will be available at closer to the submission deadlines. The fully-refereed proceedings will be published in the ACM Digital Library and, like past RecSys proceedings, are expected to be widely read and cited. The extended proceedings will be made available differently.


More information at:

LinkedIn group:
Facebook group:

General Co-chairs (general2015*):
- Hannes Werthner, Vienna University of Technology, Austria
- Markus Zanker, Alpen-Adria-Universität Klagenfurt, Austria

Program Co-chairs (program2015*):
- Jennifer Golbeck, University of Maryland, USA
- Giovanni Semeraro, University of Bari, Italy

Poster and Demo Chair (posters2015*):
- Pablo Castells, Universidad Autónoma de Madrid, Spain

Industry Co-chairs (industry2015*):
- Werner Geyer, IBM Research, USA
- Domonkos Tikk, Gravity R&D, Hungary

Workshop Co-chairs (workshops2015*):
- Tsvi Kuflik, University of Haifa, Israel
- Alan Said, Recorded Future, Sweden

Tutorial Co-chairs (tutorials2015*):
- Alexander Tuzhilin, NYU, USA
- Francesco Ricci, Free University of Bozen-Bolzano, Italy

Doctoral Symposium Co-chairs (doctoral2015*):
- Gedas Adomavicius, University of Minnesota, USA
- Dietmar Jannach, TU Dortmund, Germany

Proceedings Chair (proceedings2015*):
- Marco de Gemmis, University of Bari, Italy

Publicity Co-chairs (publicity2015*):
- Pasquale Lops, University of Bari, Italy
- Alexandros Karatzoglou, Telefonica Research, Spain

Treasurer (treasurer2015*):
- Natascha Zachs, Vienna University of Technology, Austria

Local Arrangements and Student Volunteer Chair (local2015*):
- Marion Scholz, Vienna University of Technology, Austria

(*) for email address, replace ‘*’ by ‘’

Please visit the conference website for more information.

Check out the ACM RecSys Wiki at

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