---------- Forwarded message ----------
From: David CHEMOUIL David.Chemouil@onera.fr>
Date: Thu, Jul 18, 2013 at 9:28 PM
Subject: [asr-forum] postdoc position in Toulouse on formal modelling of the problem domain
To: gdr.gpl@imag.fr, gdr-im@gdr-im.fr, concurrency@listserver.tue.nl, asr-forum@cines.fr
[More information available at: http://www.onera.fr/sites/default/files/u494/postdoc-Onera.pdf>]
Dear colleagues,
A post-doctoral position is available at Toulouse, France, jointly
proposed by Onera/DTIM and IRIT. The objective is to enrich existing
formally-grounded requirements modelling approaches in order to allow to
reason about the "problem domain".
*CONTEXT*
==========
Requirements engineering (RE) is critical in software and system design.
Indeed, a major part of the cost of software and system development is
known to be traceable to the understanding of the problem domain and
requirements. In the last decade, much research on this topic has
reached maturity and has been integrated into modeling methods.
Over the last few years, Onera has been developing a "core" language for
requirements modelling, called Khi, which allows to describe the
behavioural goals of the system on the one hand, and the different
agents of the system, with their behaviour, on the other hand. The main
problem addressed by Khi is to assess possible assignations of agents to
goals, i.e., to answer the following question: "is a given set of
agents able to ensure a given goal?"
In order to allow formal verification, Khi comes with a formal semantics
relying on a temporal multi-agent logic called Updatabe Strategy Logic
(USL). USL generalizes temporal logics with the ability to reason about
the strategies applied by agents in order to fulfill their objectives.
Although very promising, Khi lacks a tractable way to model and reason
about the problem domain, i..e., the conceptual entities that form the
system and its environment, as well as their types, relationships, etc.
Although some approaches allow to model a structural view of the domain,
a unified formal framework considering the problem domain, goals and
agents altogether is still lacking.
*DESCRIPTION OF THE ACTIVITY*
==========================
The aim of this postdoctoral position is to devise:
* an extension of Khi allowing to reason about both the expected
behaviour of the system and the main concepts that form the domain. The
underlying formal semantics will build on USL on the one hand, and on a
formal framework well-suited for domain modelling (e.g., first-order
logic, relation algebra, description logics or algebraic specification)
on the other hand. The choice for the latter will result from a
trade-off between expressivity, user-friendliness and the potential for
automated verification. Following an ongoing work concerning USL,
meta-theoretical properties of the proposed logic will be possibly
validated using a proof assistant such as Coq or Isabelle.
* a method, possibly supported by a software prototype, allowing to
design and validate models of the above-mentioned Khi extension.
*KEYWORDS*: temporal logic, multi-agent logic, formal domain modelling,
requirement engineering
*APPLICATION*
============
This is a joint proposition between two Toulouse computer science labs:
Onera/DTIM and IRIT. Candidates are expected to be fluent in English or
in French and should send a resume via email to Julien Brunel
julien.brunel@onera.fr> and Jean-Paul Bodeveix bodeveix@irit.fr>.
From: David CHEMOUIL David.Chemouil@onera.fr>
Date: Thu, Jul 18, 2013 at 9:28 PM
Subject: [asr-forum] postdoc position in Toulouse on formal modelling of the problem domain
To: gdr.gpl@imag.fr, gdr-im@gdr-im.fr, concurrency@listserver.tue.nl, asr-forum@cines.fr
[More information available at: http://www.onera.fr/sites/default/files/u494/postdoc-Onera.pdf>]
Dear colleagues,
A post-doctoral position is available at Toulouse, France, jointly
proposed by Onera/DTIM and IRIT. The objective is to enrich existing
formally-grounded requirements modelling approaches in order to allow to
reason about the "problem domain".
*CONTEXT*
==========
Requirements engineering (RE) is critical in software and system design.
Indeed, a major part of the cost of software and system development is
known to be traceable to the understanding of the problem domain and
requirements. In the last decade, much research on this topic has
reached maturity and has been integrated into modeling methods.
Over the last few years, Onera has been developing a "core" language for
requirements modelling, called Khi, which allows to describe the
behavioural goals of the system on the one hand, and the different
agents of the system, with their behaviour, on the other hand. The main
problem addressed by Khi is to assess possible assignations of agents to
goals, i.e., to answer the following question: "is a given set of
agents able to ensure a given goal?"
In order to allow formal verification, Khi comes with a formal semantics
relying on a temporal multi-agent logic called Updatabe Strategy Logic
(USL). USL generalizes temporal logics with the ability to reason about
the strategies applied by agents in order to fulfill their objectives.
Although very promising, Khi lacks a tractable way to model and reason
about the problem domain, i..e., the conceptual entities that form the
system and its environment, as well as their types, relationships, etc.
Although some approaches allow to model a structural view of the domain,
a unified formal framework considering the problem domain, goals and
agents altogether is still lacking.
*DESCRIPTION OF THE ACTIVITY*
==========================
The aim of this postdoctoral position is to devise:
* an extension of Khi allowing to reason about both the expected
behaviour of the system and the main concepts that form the domain. The
underlying formal semantics will build on USL on the one hand, and on a
formal framework well-suited for domain modelling (e.g., first-order
logic, relation algebra, description logics or algebraic specification)
on the other hand. The choice for the latter will result from a
trade-off between expressivity, user-friendliness and the potential for
automated verification. Following an ongoing work concerning USL,
meta-theoretical properties of the proposed logic will be possibly
validated using a proof assistant such as Coq or Isabelle.
* a method, possibly supported by a software prototype, allowing to
design and validate models of the above-mentioned Khi extension.
*KEYWORDS*: temporal logic, multi-agent logic, formal domain modelling,
requirement engineering
*APPLICATION*
============
This is a joint proposition between two Toulouse computer science labs:
Onera/DTIM and IRIT. Candidates are expected to be fluent in English or
in French and should send a resume via email to Julien Brunel
julien.brunel@onera.fr> and Jean-Paul Bodeveix bodeveix@irit.fr>.
--
Ali Mustafa
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