Baltimore, USA - 9-12 July 2018 - https://ht.acm.org/ht2018/

Key Dates
Abstract submission deadline: 26th January 2018
Paper submission deadline: 2nd February 2018
Acceptance notification: 2nd April 2018
Camera ready due: 1st May 2018

Workshop proposal submission deadline: 1st December 2017
Workshop acceptance notification: 14th December 2017
Workshop paper submission: 10th April 2018
Workshop paper acceptance notification: 8th May 2018

Conference: 9th-12th July 2018
The 2018 ACM Conference on Hypertext and Social Media is inviting the submission of research papers, workshop proposals, and tutorial proposals.

The ACM Conference on Hypertext and Social Media (HT) provides a premium single-track platform for high quality peer-reviewed research on theory, systems and applications of hypertext and social media. It is concerned with all aspects of modern hypertext and social media, including adaptation, personalization, recommendations, user modeling, linked data and semantic web, dynamic and computed hypertext, and its application in digital humanities, as well as with interplay between those aspects such as linking stories with data or linking people with resources.

We invite high quality submissions relating to all the above aspects of hypertext and social media, but encourage submissions to align themselves with three broad themes:

- Hyper society, covers digital humanities and connecting/connected people
- Hyper data, covers connected things on the documents, Web, and IoT
- Hyper media, covers connected traditional and non-traditional media

Accepted papers will appear in the Hypertext 2018 Conference Proceedings that will be published by ACM and additionally be made available through the ACM Digital Library. Selected papers from HT18 will be invited to submit an extension to ACM TWEB (http://tweb.acm.org/). Submitted extensions will be reviewed in a fast-tracked process. As traditional, one paper will be selected for the Douglas Englebart best paper award.

Acceptance of the papers will be either as full (regular) or short papers with corresponding oral presentation slots, and at least one author is required to register as presenter. In addition, all authors of accepted papers are invited to prepare a poster that they can present together with accepted demos at Poster and Demos reception.

Papers must report original, previously unpublished results substantiated by experimentation, simulation, analysis, or application. Two submission categories are possible:

-Regular research papers (8 pages, with up to 1 page extra for references, for a total of 9 pages max) discussing mature research results.

-Short papers (4 pages, with up to 1 page extra for references, for a total of 5 pages max) presenting ongoing and preliminary results, system prototypes or industry showcases, or results that do not require more detailed discussion.

Selected regular paper submissions may be recommended for publication as short papers.

Further details on submission for Research Papers, Workshop Proposals, and Tutorial Proposals are available at https://ht.acm.org/ht2018/

Tenth International Conference on Web Search and Data Mining (WSDM 2017)
Cambridge, UK
February 6-10, 2017

WSDM (pronounced “wisdom”) is one of the premier conferences on web inspired research involving search and data mining. The Tenth ACM International WSDM Conference will take place in Cambridge, UK during February 6-10, 2017.

WSDM is a highly selective, single track meeting that includes invited talks as well as refereed full papers. WSDMpublishes original, high-quality papers related to search and data mining on the Web and the Social Web, with an emphasis on practical yet principled novel models of search and data mining, algorithm design and analysis, economic implications, and in-depth experimental analysis of accuracy and performance.

Papers emphasizing novel algorithmic approaches are particularly encouraged. Application-oriented papers that make innovative technical contributions to research are welcome. Visionary papers on new and emerging topics are also welcome.

Submission Website and Deadlines
Submission Website: https://easychair.org/conferences/?conf=wsdm2017
Abstract submission deadline is July 31, 2016.
Final paper submissions are due August 7, 2016.

Topics of Interest
Topics covered include but are not limited to:

Web Search
- Adversarial search
- Algorithms and systems for Web-scale search
- Audio and touch interfaces to search
- Distributed search, metasearch, peer-to-peer search
- Indexing web content
- Local search
- Mobile search
- Multimedia Web search
- Query analysis and query processing
- Retrieval and ranking
- Search benchmarking and evaluation
- Search user behavior and log analysis
- Search user interfaces and interaction
- Searching social and real-time content
- Semantic search, faceted search, and knowledge graphs
- Sponsored search
- Task-driven search
- Vertical portals and search
- Voice search, conversational search, and dialog in search
- Web crawling
- Zero-query and implicit search

Web Mining
- Algorithms and systems for Web-scale mining
- Bridging unstructured and structured data
- Clustering, classification, and summarization of Web data
- Data, entity, event, and relationship extraction
- Data integration and data cleaning
- Discovery-driven Web and social network mining
- Geo and location data analysis
- Knowledge acquisition and automatic construction of knowledge bases
- Large-scale graph analysis
- Modeling trustworthiness and reliability of online information
- Multimodal data mining
- NLP for Web mining
- Online and streaming algorithms
- Opinion mining and sentiment analysis
- Web traffic and log analysis
- Web measurements, web evolution and web models
- Web recommender systems and algorithms

Social Search, Mining and Applications
- Collaborative search and question answering
- Dynamics of social networks
- Human computation and crowdsourcing
- Influence spreading and viral marketing in social networks
- Instant messaging and social networks
- Link prediction and community detection
- Location-based social networks
- Mining crowd-generated data
- Sampling, experiments, and evaluation in social networks
- Searching social media and collaboratively generated content
- Social media analysis: blogs and friendship networks
- Social network analysis, theories, models, and applications
- Social reputation, influence, and trust
- Tags, users, and search
- User activity modeling and exploitation
- User profiling

Finally, this year we also encourage submissions in the following areas:
- Machine learning and deep networks for web search and data mining
- Personal assistants, dialogue models and conversational interaction
- Web search and data mining under privacy constraints

Authors are explicitly discouraged from submitting papers that do not clearly present their contribution with respect to previous works, that contain only incremental results, and that do not provide significant advances over existing approaches.

Originality of Submissions
Submissions must represent new and original work. Concurrent submissions are not allowed. Papers that have been published in or accepted to any peer-reviewed journal or conference/workshop with published proceedings, are currently under review, or will be submitted to other meetings or publications while under review for WSDM 2017 may not be submitted to WSDM 2017.  We allow submissions that have been previously presented as posters, or in venues with no formal proceedings, but this must be indicated on the first page of the submission. Additionally, the ACM has a strict policy against plagiarism and self-plagiarism. All prior work must be appropriately cited.

Submission Process
Papers must be submitted in PDF format according to ACM guidelines and style files to fit within 8 pages including any diagrams and appendices, plus up to 1 additional page of references. PDF files must have all non-standard fonts embedded. Submissions must be self-contained and in English.  After uploading your submission, please check the copy stored on the site. Submissions that do not follow these guidelines, or do not view or print properly, may be rejected without review.

PDF files submitted to WSDM 2017 must be anonymized:  the submitted document should not include author or affiliation information, and should not include citations or discussion of related work that would make the authorship obvious.

To support identification of reviewers with conflicts of interest, the full author list must be specified at submission time. In exceptional cases, the author list may be modified later with permission of the PC Chairs.

Review Process
Each paper will be reviewed by at least three PC members and a senior PC member. The acceptance decisions will take into account paper novelty, technical depth, elegance, practical or theoretic impact, and presentation. As an experiment this year, WSDM 2017 will use a combination of single-blind reviewing and double-blind reviewing.

Please contact the PC chairs at the address below for any questions on the submission or review process.

The algorithms, resources and methods used within a paper should be described as completely as possible.  Authors may reference supplementary material, including detailed descriptions, test datasets or code.  However, this information is not part of the submission proper, and will be read only at the discretion of the reviewers.  Wherever appropriate, the authors are encouraged to use publicly available test collections and state-of-the-art baselines.  Please consider sharing your intermediate/final experimental results and code with the research community.

Publication and Presentation
All accepted papers will be published in the ACM Digital Library. For every paper there must be a registered author to present it in person at WSDM 2017. At the conference, each paper will be allocated a slot at the interactive poster session to encourage discussion. Additionally, selected papers will be presented during the plenary oral sessions as either long or short talks.

AUTHORS TAKE NOTE: The official publication date is the date the proceedings are made available in the ACM Digital Library. This date may be up to two weeks prior to the first day of your conference. The official publication date may affect the deadline for any patent filings related to published work.

Important Dates
Paper abstracts due: July 31, 2016
Papers due: August 7, 2016
Paper notifications: October 17, 2016
Conference: February 6-10, 2017
All deadlines are 11:59pm, anywhere in the world (Alofi time).

General Co-Chairs
- Maarten de Rijke, University of Amsterdam
- Milad Shokouhi, Microsoft

PC Chairs
- Andrew Tomkins, Google
- Min Zhang, Tsinghua University

Local Chair
- Filip Radlinski, Microsoft

Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it.


The 24th ACM Conference on User Modeling, Adaptation and Personalization (UMAP) will take place on 13-17 July 2016 in  Halifax, Nova Scotia, Canada. UMAP is the oldest conference series focused on personalization and user modeling. This year, it is collocated and will follow the 27th ACM Conference on Hypertext and Social Media (HT). The conference will feature topics falling into 5 main research areas: User Modelling for Recommender Systems, Adaptive & Personalized Educational Systems, Personalization in the Social Web & Crowdsourcing Era, Adaptive, Intelligent, & Multimodal User Interfaces, Architectures, techniques & methodologies for UMAP. The conference will host 9 cutting edge workshops and 3 keynote speakers: Lada Adamic - Facebook, Sandra Carberry - University of Delaware, and Hossein Derakhshan - an Iranian-Canadian author and blogger (shared speaker with HT). The deadline for abstracts in February 23 and for papers - March 1, 2016. For more information and submission instructions, please visit: http://um.org/umap2016/


ACM UMAP 2016 Call for Papers
The 24th ACM Conference on User Modeling, Adaptation and Personalization

Halifax, Nova Scotia, Canada
13-17 July 2016
(collocated with Hypertext 2016)

UMAP is the premier international conference for researchers and practitioners
working on systems that adapt to individual users, to groups of users, and that
collect, represent, and model user information.  UMAP is the successor to the
biennial User Modeling (UM) and Adaptive Hypermedia and Adaptive Web-based
Systems (AH) conferences that were merged in 2009. It is sponsored by
ACM SIG CHI and SIG WEB, and organized under the auspices of User Modeling Inc.

ACM UMAP 2016 covers a wide variety of research areas where adaptation may be
applied. This include (but is in no way limited to) a number of domains in which
researchers are engendering significant innovations based on advances in user
modeling and adaptation: recommender systems; adaptive educational systems;
intelligent user interfaces; eCommerce; advertising; digital humanities; social
networks; personalized health; entertainment, and many more.

Key Areas:
UMAP 2016 will explore, study and shape a broad range of dimensions faced by
modern user adaptive systems, covering the following Key Areas chaired by
leading researchers.

User Modelling for Recommender Systems
(Area Chairs: Alexander Felfernig & Pasquale Lops)
- Semantic recommenders
- Social recommenders
- User Experience, Explanations, Trust, Control
- Context-aware recommender systems
- Conversational recommender systems
- Implicit and explicit user feedback
- Preference elicitation
- Machine learning for recommender systems
- Case studies of real-world implementations

Adaptive & Personalized Educational Systems
(Area Chairs: Antonija Mitrovic & Kalina Yacef)
- Learner modeling
- Intelligent tutoring systems
- Adaptive and personalized learning support
- Collaborative and group learning
- Emerging environments such as MOOCs and educational games
- Educational data mining and learning analytic modeling techniques
- Learning at scale
Modeling affective, motivational, and metacognitive aspects of learning
Case studies of real-world implementations

Personalization in the Social Web & Crowdsourcing Era
(Area Chairs: Alessandro Bozzon & Harith Alani)
- Data-driven approaches and big data techniques
- Deep learning for personalization with social and crowd-generated data
- Social network analysis
- Modeling individuals, groups, and communities
- Engagement & sustainability for personalization
- User awareness and control
- Privacy, perceived security, and trust
- Adaptations based on personality, society, and culture
- Mining of social media and crowd-generated data
- Human computation and machine intelligence for personalization
- Harnessing wisdom of the crowd for personalization
- Case studies of real-world implementations

Adaptive, Intelligent, & Multimodal User Interfaces
(Area Chairs: Julien Epps & Hatice Gunes)
- Multimodal user models
- Natural interaction (speech, language, gestures)
- Brain-computer interfaces
- Adaptive information visualization
- Adaptive hypermedia systems
- Adaptive collaboration support
- User modeling for special needs
- Case studies of real-world implementations

Architectures, techniques & methodologies for UMAP
(Area Chairs: Stephan Weibelzahl & Mihaela Cocea)
- Models of perception, action, cognition, and affect
- Neurobiological and physiological models
- User experience
- Ongoing continuous modeling
- Lifewide modeling
- Data-driven approaches
- Non-standard database representations (networks, graphs)
- Sensor networks
- Handheld and mobile devices
- Standards and specifications
- Interoperability, semantics
- Evaluation methodologies and metrics
- Case studies of real-world implementations

Submission Categories and Review Process

UMAP 2016 will include high quality peer-reviewed papers related to the above
key areas.  We welcome original, and principled research papers addressing both
the theory and practice of UMAP and papers showcasing innovative use of UMAP and
exploring the benefits and challenges of applying UMAP technology in real-life
applications and contexts. Authors will be asked to indicate one or more key
areas (from the five listed below) at the time of submission. Submissions
should be made into one of two categories - long and short papers as defined

Long papers (8 pages + references) should present original reports of
substantive new research techniques, findings, and applications of UMAP.
They should place the work within the field and clearly indicate innovative
aspects. Research procedures and technical methods should be presented in
sufficient detail to ensure scrutiny and reproducibility. Results should be
clearly communicated and implications of the contributions/findings for
UMAP and beyond should be explicitly discussed.

Short papers (4 pages + references) should present original and highly
promising research or applications. Merit will be assessed in terms of
originality and importance rather than maturity, extensive technical
validation, and user studies, although some form of validation is desirable.

Maintaining the high quality and impact of the UMAP series, each paper will
be single-blind reviewed by three program committee members and meta-reviewed
to present the reviewersí consensual view; the review process will be
coordinated by the program chairs in collaboration with the corresponding area

Separation of long and short papers will be strictly enforced so papers will
not compete across categories but within each category. Papers that receive
high scores and are considered promising by reviewers, but didnít make the
acceptance cut, will be invited to be resubmitted as posters and/or demos.

Submission Details and Publication:

Page limits: Long papers - 8 pages + references;
Short pages: 4 pages + references.

Note that reference do not count towards page limits. Papers that exceed
the page limits or formatting guidelines will be returned without review.

Submissions should be single-blinded, i.e. the authors can have their names in
the paper.

Papers must be formatted using the ACM SIG proceedings template and submitted
via EasyChair.

Submission templates: http://www.acm.org/publications/proceedings-template

Easychair submission: https://easychair.org/conferences/?conf=umap2016

Accepted papers will be published by ACM and will be available via the
ACM Digital Library.
At least one author of each accepted paper must register for the conference
by May 1, 2016 for the paper to be included in the proceedings.
Authors are expected to attend the conference and present the paper there.

Important Dates:

23 February 2016: Abstracts for Full and Short Papers (mandatory)
1 March 2016:       Full and Short Papers due
25 March 2016:       Doctoral Consortium (DC) papers

15 April 2016:       Notification for Full, Short and DC papers
1 May 2016:       Camera-ready for Full, Short and DC papers
(main proceedings)
Author Registration Deadline for main proceedings

7 May 2016:       Workshop Papers, Posters & Demos, Late-Breaking Results (LBR) 
1 June 2016:       Notification of Workshop Papers, Posters & Demos, LBR papers
7 June 2016:       Camera-ready for Workshop papers & Demos, LBR papers
(extended proceedings)
Early Registration Deadline
(author registration for extended proceedings)

12 July 2016:       Regular Registration Deadline
13-17 July 2016:  UMAP 2016 Conference
On-site Registration

The submissions times are 11:59 pm Hawaii time.


General Chairs: Julita Vassileva and James Blustein
Program Chairs: Lora Aroyo and Sidney DíMello
Workshop Chairs: Federica Cena and Jie Zhang
Doctoral Consortium Chairs: Vania Dimitrova and Maria Bielikova
Posters and Demos Chairs: Darina Dicheva and Michel Desmarais
Publicity Chairs: Chirstoph Trattner and Denis Parra

Conference Website


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