Category Archives: Calls

COSIT 2017 Workshop on Geo-Knowledge Graphs (GKG17) →

This should be a fun workshop:

Knowledge graphs, i.e., making semantically annotated and interlinked raw data available on the Web, has taken information technologies by storm. Today such knowledge graphs power search engines, intelligent personal assistants, and cyber-infrastructures. For instance, the publicly available part of the Semantic Web-based Linked Data cloud contains more than 150 billion triples distributed over 10000 datasets and connected to another by millions of links. Geographic data play a significant role in this cloud and knowledge graphs in general as places function as central nexuses that connect people, events, and physical objects. Consequently, geo-data sources are among the most central and densely interlinked hubs. Beyond their sheer size, the diversity of these data and their inter-linkage are of major value as they enable a more holistic perspective on complex scientific and social questions that cannot be answered from a single domain’s perspective. Hence, knowledge graphs such as those implemented using the Linked Data paradigm bear potential to address many fundamental challenges of geoinformatics.

In this workshop we will discuss various aspects of geo-knowledge graphs ranging from their extraction and construction from unstructured or semi-structured data, issues of data fusion, conflation, and summarization, geo-ontologies, to query paradigms and user interfaces. By focusing explicitly on geo-knowledge graphs in general, we aim at broadening the focus beyond the Semantic Web technology stack and thus also beyond RDF-based Linked Data.

More →

Call for Papers: LocWeb 2016

6th International Workshop on Location and the Web
April 11 or 12 2016

In conjunction with WWW 2016
25th International World Wide Web Conference
April 11- 15 2016, Montreal, Canada

Paper deadline ** December 22, 2015 **


Important dates

Paper submission deadline: Dec 22, 2015
Paper acceptance notifications: Feb 02, 2016
Camera ready hard deadline: Feb 08, 2016
Workshop: April 11 or 12 2016

Call for Papers

Location has quickly moved into the mainstream of the (mobile) Web. It also continues to be a strong driver of applications and research activities. After the initial boost and consolidation of approaches based on the simple use of geospatial coordinates, we now see an increasing demand for more sophisticated location-based services, involving more powerful mechanisms in terms of information retrieval, mining, analytics and semantics. New application areas for Web architecture, such as the Internet of Things (IoT) and the Web of Things (WoT), also mean that there will be increasingly rich and large sets of resources for which location is highly relevant.

Following the successful LocWeb workshops in 2008, 2009, 2010, 2014, and 2015, LocWeb 2016 continues the workshop series, addressing issues at the intersection of location-based services and Web architecture. Its focus lies in Web-scale systems and services facilitating location-aware information access. The location topic is understood as a cross-cutting issue equally concerning Web information retrieval, semantics and standards, and Web-scale systems and services.

LocWeb is an integrated venue where the location aspect is discussed in depth within an interdisciplinary community. It is also highly interactive and collaborative, with ample room for discussion and demos that will explore and advance the geospatial topic in its various relevant areas. We expect the workshop to further the integration of the geospatial dimension into the Web, and promote challenging research questions.

LocWeb 2016 solicits submissions under the main theme of Web-scale Location-Aware Information Access. Subtopics include (i) geospatial semantics, systems, and standards; (ii) large-scale geospatial and geo-social ecosystems; (iii) mobility; (iv) location in the Internet/Web of Things; and (v) mining and searching geospatial data on the Web. The workshop encourages submissions describing Web-mediated or Web-scale approaches that build on reliable foundations, and that thoroughly understand and embrace the geospatial dimension.

Topics of Interest

– Location-Aware Information Access
– Location-Aware Web-Scale Systems and Services
– Location in the Web of Things
– Large-scale Geospatial Ecosystems
– Standards for Location and Mobility Data
– Location in Unstructured and Semi-Structured Information Sources
– Location Semantics
– Modeling Location and Location Interaction
– Geo-Social Media and Systems
– Location-Based Social Networks
– Geospatial Web Search and Mining
– Visual Analytics of Geospatial Data on the Web
– Location-Based Recommendation
– Geo-Crowdsourcing
– Mobile Search and Recommendation

Submission Instructions

We solicit full papers of up to 8 pages, and short papers of up to 4 pages describing work-in-progress or early results. Authors are invited to submit original, unpublished research that is not being considered for publication in any other forum.

Workshop submissions will be evaluated based on the quality of the work, originality, match to the workshop themes, technical merit, and their potential to inspire interesting discussions. The review process is single blind, so please provide your name and affiliation.

Manuscripts should be formatted using the ACM camera-ready templates ( and submitted in PDF format to EasyChair at

Accepted workshop papers will be published in the WWW companion proceedings and will be available from the ACM Digital Library. These may be regarded as prior publications by other conferences or journals.

For inclusion in the proceedings, at least one author of the accepted paper has to register for the workshop.

Presenters are encouraged to bring demos to the workshop to facilitate discussion.

Workshop Organizers

Dirk Ahlers, NTNU, Norway
Erik Wilde, Siemens, USA
Bruno Martins, University of Lisbon, Portugal


Technical Program Committee (tentative)

Andreas Henrich, Universität Bamberg, Germany
Arjen de Vries, CWI, Netherlands
Bruno Martins, University of Lisbon, Portugal
Carsten Keßler, CUNY, USA
Chandan Kumar, University Koblenz-Landau, Germany
Christoph Trattner, Graz University of Technology, Austria
Christopher Jones, Cardiff University, UK
Claudia Hauff, Delft University, Netherlands
Clodoveu Davis, Universidade Federal de Minas Gerais, Brazil
Dirk Ahlers, NTNU, Norway
Erik Wilde, Siemens, USA
Francisco López-Pellicer, Universidad Zaragoza, Spain
Massimiliano Ruocco, NTNU, Norway
Max Egenhofer, University of Maine, USA
Rainer Simon, AIT Austrian Institute for Technology
Ross Purves, Universität Zürich, Switzerland
Steven Schockaert, Cardiff University, UK
Torsten Suel, New York University, USA
Vanessa Murdock, Bing, USA
Yana Volkovich, Centro Tecnológico de Catalunya, Spain

ESWC 2016 Special Track on Smart Cities, Urban and Geospatial Data


ESWC is one of the key academic conferences to present research results and new developments in the area of the Semantic Web. For its 13th edition, ESWC will be back in Hersonissou, Crete, between Sunday May 29th and Thursday June 2nd 2016.

This time, ESWC will feature a special track on smart cities, urban and geospatial data:

Track Description

More than half of the world’s population is already living in urban areas today. UN projections show that this proportion will grow to 66% by 2050, adding another 2.5 billion people to our cities. Geospatial data provided by sensor networks, different remote sensing technologies, citizen scientists, social networks, as well as Open Data initiatives helps cities address these challenges and transform into smart cities.

However, in such a diversity of information, it is a fact that large amounts of valuable open data and sensor information remain unused, and aggregation of information from various sources is typically limited to specific application domains, with organizations and cities reaping the benefits often only after extensive investments. With the very most of the world’s information today still handled in siloes, there is an enormous potential for better information management, search, discovery and reuse of heterogeneous urban data using Semantic Technologies, in order to make cities more intelligent, innovative and integrated beyond the boundaries of isolated applications.

In this track, we invite submissions that address the use of Semantic Web technologies in the context of this transformation process. Submissions to this track should contain original, unpublished research that shows how urban and smart city applications can benefit from Semantic Web technologies. Authors are strongly encouraged to include concrete application examples, ideally using real data, in their papers. Papers in this track will be evaluated on the basis of the impact of semantic technologies in the society and the extent to which they address real-life problems in the context of cities. Papers are also expected to evaluate or provide a deeper insight on the significant advantages of a semantic solution over state of the art, common practitioner no semantic solutions.


  • Semantic integration and processing of remotely sensed data and data from in-situ sensors
    Semantic models for spatial-temporal change
  • The city as an API
  • Semantics of urban sensor networks
  • Semantic integration of distributed urban data
  • Semantic analysis of data streams
  • Semantic Web applications addressing urban topics such as transport, energy, building, safety, water, food, waste, or emissions
  • Semantics for citizen-centric Smart cities
  • Application of semantic technologies, sensors and semantic streams for e-Health, Life Sciences, e-Government, Environmental Monitoring, Cultural Heritage, Utility Services or Social Sensing
  • Intelligent User Interfaces and Interaction Paradigms that profit from semantics and knowledge graphs over Web Data, open government and corporate data relating to cities
  • Context- and location-aware (mobile) applications based on semantic technologies and geo-semantics
  • Provenance, access control, trust and privacy-preserving issues in smart cities
  • Semantic-based cloud applications for Smart Cities
  • Semantic reasoning, event detection, knowledge extraction and analytics for smart city platforms
  • Big data and scaling out in semantic cities. Managing real time and historical city data using knowledge representation models
  • Semantic platforms, knowledge acquisition, publishing, consumption, evolution and maintenance of city data


All deadlines are at 23:59 Hawaii Time.

Compulsory abstract submission for all papers: Friday 11th December 2015
Compulsory full paper submission: Friday 18th December 2015
Authors rebuttal: Friday 29th Jan – Friday 5th Feb 2016
Acceptance notification: Monday 22nd February 2016
Camera ready: Monday 7th of March 2016

Track Chairs

Carsten Kessler, Hunter College, City University of New York
Vanessa Lopez, IBM Research Ireland

5th Workshop on Linked Science 2014— Best Practices and the Road Ahead (LISC2015) →

Linked Science has been accepted as a full day workshop for the International Semantic Web Conference again. This will be our 5th LISC workshop, and the theme for this year is Best Practices and the Road Ahead:

Scientific dissemination traditionally relies heavily on scholarly articles and presentations at conferences. However in the past few years, we have seen an increasing trend towards the publication of raw research data to facilitate verification and reuse. ​Linked Science champions the process of publishing, sharing and interlinking scientific resources and data along with complete experiment context, which is critical for understanding, reusing and verifying scientific research. Semantic Web technologies provide a promising means for achieving this practice. ​In the past four Linked Science workshops, we have focused on investigating benefits of this approach.

However, there is a still huge knowledge gap in understanding how to support Linked Science, especially for non­technical users who are new to this domain. To overcome this critical barrier to the adoption of the Linked Science approach, our 2015 edition proposes a focus on ​“Best Practices and the Road Ahead”, ​aiming for practical solutions that help applying Linked Science principles and open research discussions with regards to supporting this new practice.

We are particularly interested in tools and workflows that could facilitate the practice of Linked Science, and investigations identifying challenges and gaps to be addressed, with a special focus on less technology­savvy users​.

The workshop will be held October 11 or 12 in Bethlehem, Pennsylvania. The website is up and running, the official call for papers will be circulated soon. Mark your calendars for the submission deadline on July 1st.

4th International Workshop on Location and the Web →

Following the previous LocWeb workshops in 2008, 2009, 2010, LocWeb 2014 solicits submissions under the main theme of location-aware information access as a cross-cutting issue in Web research and technology, with subtopics related to search, retrieval, analytics, mining, extraction, mobility, apps, services, and systems. A preference is given to work describing Web-mediated or Web-scale approaches. The workshop is designed to reflect the multitude of fields that demand and utilize location features and we encourage submissions that look at the topic of location on the Web from an interdisciplinary perspective, including new approaches dealing with or utilizing geospatial information.

Submission deadline for LocWeb2014 is July 30, 2014. The workshop will be held on November 3rd at the 23rd International Conference on Information and Knowledge Management in Shanghai, China.