Sixth International Workshop on Bidirectional Transformations (Bx 2017)

Uppsala, Sweden
Saturday April 29th
as part of ETAPS 2017

Bidirectional transformations (bx) are a mechanism for maintaining the consistency of at least two related sources of information. Such sources can be relational databases, software models and code, or any other document following standard or ad-hoc formats. Bx are an emerging topic in a wide range of research areas, with prominent presence at top conferences in several different fields (namely databases, programming languages, software engineering, and graph transformation), but with results in one field often getting limited exposure in the others. Bx 2017 is a dedicated venue for bx in all relevant fields, and is part of a workshop series that was created in order to promote cross-disciplinary research and awareness in the area. As such, since its beginning in 2012, the workshop has rotated between venues in different fields.

Aim and topics

The aim of the workshop is to bring together researchers and practitioners, established and new, interested in bx from different perspectives, including but not limited to:

  • data and model synchronization
  • view updating
  • inter-model consistency analysis and repair
  • data/schema (or model/metamodel) co-evolution
  • coupled software/model transformations
  • inversion of transformations and data exchange mappings
  • domain-specific languages for bx
  • analysis and classification of requirements for bx
  • bridging the gap between formal concepts and application scenarios
  • analysis of efficiency of transformation algorithms and benchmarks
  • survey and comparison of bx technologies
  • case studies and tool support

Paper categories

Submissions to Bx 2017 can be:

  • Regular papers (up to 15 pages)
    • in-depth presentations of novel concepts and results
    • applications of bx to new domains
    • survey papers providing novel comparisons between existing bx technologies and approaches
    • case studies
  • Tool papers (up to 8 pages)
    • guideline papers presenting best practices for employing a specific bx approach (with a specific tool)
    • presentation of new tools or substantial improvements to existing ones
    • qualitative and/or quantitative comparisons of applying different bx approaches and tools
  • Short papers (up to 4 pages)
    • work in progress
    • small focused contributions
    • position papers and research perspectives
    • critical questions and challenges for bx
  • Talk proposals (up to 2 pages)
    • proposed lectures about topics of interest for bx
    • existing work representing relevant contributions for bx
    • promising contributions that are not mature enough to be proposed as papers of the other categories

All papers are expected to be self-contained and well-written. Tool papers are not expected to present novel scientific results, but to document artifacts of interest and share bx experience/best practices with the community. Short papers should primarily provoke interesting discussion at the workshop and will not be held to the same standard of maturity as regular papers. Talk proposals are expected to present works of particular interest for the community and that are worth a talk slot at the workshop.

We strongly encourage authors to ensure that any (variants of) examples are present in the bx example repository at the time of submission, and for tool papers, to allow for reproducibility with minimal effort, either via a virtual machine (e.g. via Share - or a dedicated website with relevant artifacts and tool access.

Proceedings and special issues

The workshop proceedings, including all accepted papers (except talk proposals), will be published electronically by CEUR ( Authors of accepted papers (of all categories except talk proposal) that have high-quality and the potential to be extended into journal articles will be invited to submit a revised and extended version of their paper to an expected special issue of the Journal of Object Technology (; these papers will then be subject to a careful reviewing and selection process according to the scientific standards of the Journal of Object Technology.

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