PLP-2018: The Fifth Workshop on Probabilistic Logic Programming

     A workshop of the 28th International Conference on Inductive Logic
                               1 September 2018
                                  Ferrara, Italy

Probabilistic logic programming (PLP) approaches have received much
in this century. They address the need to reason about relational domains
uncertainty arising in a variety of application domains, such as
the semantic web, robotics, and many more. Developments in PLP include new
languages that combine logic programming with probability theory, as well as
algorithms that operate over programs in these formalisms.

The workshop encompasses all aspects of combining logic, algorithms,
programming and probability.

PLP is part of a wider current interest in probabilistic programming. By
promoting probabilities as explicit programming constructs, inference,
estimation and learning algorithms can be ran over programs which represent
highly structured probability spaces. Due to logic programming's strong
theoretical underpinnings, PLP is one of the more disciplined areas of
probabilistic programming. It builds upon and benefits from the large body
existing work in logic programming, both in semantics and implementation,
also presents new challenges to the field. PLP reasoning often requires the
evaluation of large number of possible states before any answers can be
thus braking the sequential search model of traditional logic programs.

While PLP has already contributed a number of formalisms, systems and well
understood and established results in: parameter estimation, tabling,
probabilities and Bayesian learning, many questions remain open in this
exciting, expanding field in the intersection of AI, machine learning and

This workshop provides a forum for the exchange of ideas, presentation of
results and preliminary work, in the following areas

   * probabilistic logic programming formalisms

   * parameter estimation

   * statistical inference

   * implementations

   * structure learning

   * reasoning with uncertainty

   * constraint store approaches

   * stochastic and randomised algorithms

   * probabilistic knowledge representation and reasoning

   * constraints in statistical inference

   * applications, such as

   * bioinformatics

   * semantic web

   * robotics

   * probabilistic graphical models

   * Bayesian learning

   * tabling for learning and stochastic inference

   * MCMC

   * stochastic search

   * labelled logic programs

   * integration of statistical software

The above list should be interpreted broadly and is by no means exhaustive.

The fifth edition of PLP is held at the ILP conference in Ferrara.
We hope that this encourages further collaboration between researchers
in PLP and researchers working in other areas of ILP. In particular, we
hope that both
(a) other ILP researchers will become interested in using PLP formalisms and
(b) that PLP researchers are inspired by other inductive learning

Submissions will be managed via EasyChair (
Contributions should be prepared in the LNCS style.
A mixture of papers are sought including: new results, work in
progress as well as technical summaries of recent substantial contributions.
Papers presenting new results should be 6-12 pages in length. Work in
and technical summaries can be shorter (2-5 pages). The workshop
proceedings will clearly
indicate the type of each paper.

At least one author of each accepted paper will be required to attend the
workshop to present the contribution.

Informal proceedings will be made available electronically to attendees.
will also be stored permanently in the form of CEUR Workshop Proceedings
( The proceedings will consist of clearly marked
corresponding to the different types of submissions accepted.

Special Issue of IJAR

Like for past additions of PLP, we plan to invite all authors to submit a
revised version of their paper for
a Probabilistic Logic Programming special issue of the IJAR journal.

Papers due:        11th June 2018
Notification to authors:        11th July 2018
Camera ready version due: 27th July 2018
Workshop data: 1st September 2018

(the deadline for all dates is 23:59 BST)

Invited Speaker(s)
Riccardo Zese, University of Ferrara, Italy
Angelika Kimmig, Cardiff University, UK

*** Co-located Events ***
The workshop is part of the Relational Artificial Intelligence Days (RAID)
organized in Ferrara, which include:

Before - ACAI Summer School 2018: Courses on Statistical Relational
Artificial Intelligence, 27th - 31st August 2018
After - ILP 2018: Inductive Logic Programming Conference, 2nd - 4th
September 2018

Program Chairs
Elena Bellodi (Department of Engineering, University of Ferrara, Italy)
Tom Schrijvers (Department of Computer Science, KU Leuven, Belgium)

Programme Committee
Krysia Broda (Imperial College, UK)
Henning Christiansen (Roskilde University, Denmark)
Fabio Cozman (University of São Paulo, Brazil)
Luke Dickens (University College London, UK)
Sriraam Natarajan (The University of Texas at Dallas, USA)
Matthias Nickles (National University of Ireland, Ireland)
Rolf Schwitter (Macquarie University, Australia)
Chung-chieh Shan (Indiana University Bloomington, USA)

Senior Committee
Nicos Angelopoulos (Sanger Institute, UK)
Vitor Santos Costa (Universidade do Porto, Portugal)
James Cussens (University of York, UK)
Arjen Hommersom (Open University, The Netherlands)
Angelika Kimmig (KU Leuven, Belgium)
Evelina Lamma (University of Ferrara, Italy)
David Poole (University of British Columbia, Canada)
Luc De Raedt (KU Leuven, Belgium)
Fabrizio Riguzzi (University of Ferrara, Italy)
Alessandra Russo (Imperial College, UK)
Joost Vennekens (KU Leuven, Belgium)

Elena Bellodi, Ph.D.
Postdoctoral Research Fellow
​ of Mathematics and Computer Science​

University of Ferrara, Italy
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