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DEADLINE EXTENSION
28th ACM Conference on Hypertext and Social Media 2017 (HT2017)

July 4 - 7, 2017, Prague, Czech Republic

Web: https://ht.acm.org/ht2017/
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The ACM Conference on Hypertext and Social Media (HT) (https://ht.acm.org/ht2017/) is a premium venue for high quality peer-reviewed research on theory, systems and applications for hypertext and social media. It is concerned with all aspects of modern hypertext research, including social media, 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.

HT2017 will focus on the role of links, linking, hypertext and hyperlink theory on the web and beyond, as a foundation for approaches and practices in the wider community. Therefore, HT2017 has the following tracks:
*  Social Networks and Digital Humanities (Linking people)
*  Semantic Web and Linked Data (Linking data)
*  Adaptive Hypertext and Recommendations (Linking resources)
*  News and Storytelling (Linking stories)
*  Demonstrations

Submission Instructions

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Main Proceedings
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Papers must report new results substantiated by experimentation, simulation, analysis, or application. Authors are invited to submit papers presenting original, not previously published works.

Submission categories include:

*  Regular research papers (max 10 pages including references) discussing mature research results.
*  Demo papers (max 2 pages including references) presenting ongoing and preliminary results, system prototypes or industry showcases.

All submissions should be formatted according to the official ACM SIG proceedings template and submitted in PDF format via EasyChair (https://easychair.org/conferences/?conf=acmhypertext2017). The review process will not be blind, therefore it is not necessary for submissions to be anonymized. Please be sure to submit keywords via EasyChair.

Accepted papers will appear in the Hypertext 2017 Conference Proceedings that will be published by ACM and additionally be made available through the ACM Digital Library. Acceptance of the papers will be either as full (regular) or short papers with the corresponding presentation slots. 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.

Demo submissions will be reviewed by experienced and knowledgeable researchers and practitioners; each submission will receive a detailed feedback. It would be beneficial to include links enabling the reviewers testing the application or reviewing the component. Accepted demos will have a space to demonstrate the system to conference attendees during the poster and demo session.
Please indicate the category of your submission (regular or demo) and provide at least three keywords that describe your submission. Also select the track(s) - named 'groups' in EasyChair - and the topics relevant to your submission. Note that you can select more than one track (select at least one) and topics belonging to any of the three conference tracks. This information will be used for the review assignment.

Award winning papers will be considered for a fast track publication in ACM Transactions on the Web. Selected papers will be invited for special issue in NRHM journal.

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Extended Proceedings
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Submission categories include:

*  Workshop papers
*  Doctoral consortium papers

You can find the requirements in terms of length and content for these papers in the respective calls.

All submissions should be formatted according to the official ACM SIG proceedings template. Doctoral consortium papers should be submitted in PDF format via EasyChair (https://easychair.org/conferences/?conf=acmhypertext2017): DC.

Accepted papers in the above-mentioned categories will appear in the Hypertext 2017 http://ceur-ws.org/ Proceedings.

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Important Dates
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February 10, 2017 Abstract submission
February 17, 2017 Paper submission
March 20, 2017 Doctoral Consortium paper submission
March 31, 2017 Notification of acceptance
April 15, 2017 Doctoral Consortium notification of acceptance
April 21, 2017 Camera ready due
May 2, 2017 Doctoral Consortium camera ready due

Deadlines are at 23:59 Hawaii Standard Time on the specified date.