author = {Buche, Cédric and Chevaillier, Pierre and Nédélec, Alexis and Parenthoën, Marc and Tisseau, Jacques},
  title = {{Fuzzy cogntive maps for simulation of individual adaptive behaviors}},
  journal = {Computer Animation and Virtual World},
  year = 2010,
  volume = {},
  number = {},
  pages = {},
  pdf = {pdf/paper/jt-art-int-21.pdf},
  url = {},
  abstract = {This paper focuses on the simulation of behavior for 
autonomous entities in virtual environments. The behavior of these entities 
must determine their responses not only to external stimuli, but also with 
regard to internal states. We propose to describe such behavior using fuzzy 
cognitive maps (FCM), whereby these internal states might be explicitly 
represented. This article presents the use of fuzzy cognitive maps as a tool
to specify and control the behavior of individual agents. First, we describe 
how fuzzy cognitive maps can be used to model behavior. We then present 
a learning algorithm allowing the adaptation of FCMs through observation.}
  author = {Desmeulles, Gabriel and Bonneaud, Stéphane and Redou, Pascal and Rodin, Vincent and Tisseau, Jacques},
  title = {{In virtuo Experiments Based on the Multi-Interaction 
			System Framework: the RéISCOP Meta-Model}},
  journal = {Computer Modeling in Engineering \& Sciences, CMES},
  year = 2009,
  volume = 47,
  number = 3,
  pages = {299-330},
  pdf = {pdf/paper/jt-art-int-20.pdf},
  url = {http://www.techscience.com/cmes/2009/v47n3_index.html},
  abstract = {Virtual reality can enable computer scientists and domain experts to perform in virtuo experiments of numerical models of complex systems. Such dynamical and interactive experiments are indeed needed when it comes to complex systems with complex dynamics and structures. In this context, the question of the modeling tool to study such models is crucial. Such tool, called a virtuoscope, must enable the virtual experimentation of models inside a conceptual and experimental framework for imagining, modeling and experimenting the complexity of the studied systems. This article describes a conceptual framework and a meta model, called RéISCOP , that enable the construction and simulation of models of biological, chemical or physical systems. The multi-interaction conceptual framework, based on the reification of interactions, is built upon the concepts of autonomy, structural coupling and synchronous scheduling of those reified interactions. Applications and virtual reality experiments described in the last section show the expressiveness of this approach and its capacity to actually formulate heterogeneous models in heterogeneous time and space scales, which is required for studying biological complex systems.}
  author = {De Loor, PierrCMESe and Manac'h, Kristen and Tisseau, Jacques},
  title = {{ Enaction-Based Artificial Intelligence: Toward Co-evolution 
			with Humans in the Loop}},
  journal = {Minds and Machines},
  year = 2009,
  volume = {19},
  pages = {319-343},
  pdf = {pdf/paper/jt-art-int-19.pdf},
  url = {http://www.springerlink.com/content/f8tt277482818321/},
  abstract = {This article deals with the links between the enaction paradigm and artificial intelligence. Enaction is considered a metaphor for artificial intelligence, as a number of the notions which it deals with are deemed incompatible with the phenomenal field of the virtual. After explaining this stance, we shall review previous works regarding this issue in terms of artificial life and robotics. We shall focus on the lack of recognition of co-evolution at the heart of these approaches. We propose to explicitly integrate the evolution of the environment into our approach in order to refine the ontogenesis of the artificial system, and to compare it with the enaction paradigm. The growing complexity of the ontogenetic mechanisms to be activated can therefore be compensated by an interactive guidance system emanating from the environment. This proposition does not however, resolve that of the relevance of the meaning created by the machine (sense-making). Such reflections lead us to integrate human interaction into this environment in order to construct relevant meaning in terms of participative artificial intelligence. This raises a number of questions with regards to setting up an enactive interaction. The article concludes by exploring a number of issues, thereby enabling us to associate current approaches with the principles of morphogenesis, guidance, the phenomenology of interactions and the use of minimal enactive interfaces in setting up experiments which will deal with the problem of artificial intelligence in a variety of enaction-based ways.}
  author = {Simonnet, Mathieu and Jacobson, Dan and Vieilledent, Stéphane and Tisseau, Jacques},
  title = {{SeaTouch: a haptic and auditory maritime environment
			for non visual cognitive mapping of blind sailors}},
  journal = {Lecture Notes in Computer Science},
  year = 2009,
  volume = 5756,
  pages = {212-226},
  pdf = {pdf/paper/jt-art-int-18.pdf},
  url = {},
  abstract = {Navigating consists of coordinating egocentric and 
			allocentric spatial frames of reference. 
			Virtual environments have afforded researchers in the spatial 
			community with tools to investigate the learning
			of space. The issue of the transfer between virtual and real situations is
			not trivial. A central question is the role of frames of reference in mediating 
			spatial knowledge transfer to external surroundings, as is the effect of
			different sensory modalities accessed in simulated and real worlds. This
			challenges the capacity of blind people to use virtual reality to explore a
			scene without graphics. The present experiment involves a haptic and auditory 
			maritime virtual environment. In triangulation tasks, we measure
			systematic errors and preliminary results show an ability to learn configurational 
			knowledge and to navigate through it without vision. Subjects
			appeared to take advantage of getting lost in an egocentric haptic
			view in the virtual environment to improve performances in the real environment.}
  author = {Gaubert, Laurent and Redou, Pascal and Tisseau, Jacques},
  title = {{Frequency locking in tissular coupling}},
  journal = {Dynamics of Continuous, Discret and Impulsive Systems - Series B: Applications & Algorithms},
  year = 2009,
  volume = 16,
  number = 4,
  pages = {453-470},
  pdf = {pdf/paper/jt-art-int-17.pdf},
  url = {},
  abstract = {We expose a framework, inspired by biological observations,
			dedicated to modeling complex living systems as coupled
			systems. In particular, we use this framework to 
			adress a main question in the field of living systems: 
			the synchronization phenomenon.
			This kind of model, named tissular coupling, is quite general
			and, using different methods from those usually used in this
			field of research, we reach global results relative to the
			frequencies locking problem in both finite and continuous
  author = {Trinh, Thanh-Hai and Buche, Cédric and Querrec, Ronan and Tisseau, Jacques},
  title = {{Modeling of Errors Realized by a Human Learner in Virtual Environment for Training}},
  journal = {International Journal of Computers, Communications and Control},
  year = 2009,
  volume = 4,
  number = 1,
  pages = {73-81},
  pdf = {pdf/paper/jt-art-int-16.pdf},
  url = {http://www.journal.univagora.ro/?page=article_details&id=348},
  abstract = {This study focuses on the notion of erroneous actions realized by human
			learners in Virtual Environments for Training. Our principal objective is to develop
			an Intelligent Tutoring System (ITS) suggesting pedagogical assistances to the hu-
			man teacher. For that, the ITS must obviously detect and classify erroneous actions
			produced by learners during the realization of procedural and collaborative work.
			Further, in order to better support human teacher and facilitate his comprehension, it
			is necessary to show the teacher why learner made an error. Addressing this issue,
			we firstly modeling the Cognitive Reliability and Error Analysis Method (CREAM).
			Then, we integrate the retrospective analysis mechanism of CREAM into our existing
			ITS, thus enable the system to indicate the path of probable cause-effect explaining
			reasons why errors have occurred.}
  author = {Veyret, Morgan and Maisel, Eric and Tisseau, Jacques},
  title = {Agent architecture for a real world autonomous virtual guide: interaction between the 
		  decision and perception processes and environment representation},
  journal = {The International Journal of Virtual Reality},
  year = 2008,
  volume = 2,
  number = 7,
  pages = {1-10},
  pdf = {pdf/paper/jt-art-int-15.pdf},
  url = {http://www.ijvr.org/papers-2008.7(2).html},
  abstract = {Museums like marine aquariums are facing a
			difficult problem when trying to deliver information to their
			visitors. The exhibits they propose are dynamic by definition.
			Each may contain multiple autonomous entities that need to be
			described to the visitor. Classical communication means (panels,
			audio-guides ...) are static and do not adapt to the constraints of
			such exhibits. We propose to use an autonomous virtual guide
			embedded inside the environment in order to describe it to the
			visitors. To describe this environment and the entities it contains,
			the agent must be able to perceive it. Doing so is a challenging task
			due to the dynamic and non-predictable aspects of this
			environment. In this article, we propose an architecture able to
			build a partial representation of such an environment that tends
			to be the ``best possible representation'' depending on the ongoing
			task. This is possible by setting up an interaction loop between the
			perception and decision processes of our intelligent agent. We
			describe this architecture and provide some results showing how
			this interaction effectively takes place in an experimental
			environment and in a real application setting.}
  author = {Bossard, Cyril and Kermarrec, Gilles and Buche, Cédric and Tisseau, Jacques},
  title = {Transfer of learning in Virtual Environment: a new challenge?},
  journal = {Virtual Reality (Springer)},
  year = 2008,
  volume = 12,
  pages = {151-161},
  pdf = {pdf/paper/jt-art-int-14.pdf},
  url = {http://www.springerlink.com/content/8th4623l3k0275x4},
  abstract = {The aim of all education is to apply what we learn in different contexts 
 		   and to recognise and extend this learning to new situations. 
		   Virtual learning environments can used to build skills. 
		   Recent research in cognitive psychology and education has shown that acquisitions 
		   are linked to the initial context. This provides a challenge for virtual reality 
		   in education or training. A brief overview of transfer issues highlights five main ideas: 
		   (1) the type of transfer enables the Virtual Environment (VE) to be classified 
		   according to what is learned; (2) the transfer process can create conditions within 
		   the VE to facilitate transfer of learning; (3) specific features of VR must match 
		   and comply with transfer of learning; (4) transfer can be used to assess a VE's effectiveness; 
		   and (5) future research on transfer of learning must examine the singular context of learning. 
		   This paper discusses how new perspectives in cognitive psychology influence and promote 
		   transfer of learning through the use of virtual environments.}
  author = {Gaubert, Laurent and Redou, Pascal and Harrouet, Fabrice and Tisseau, Jacques},
  title = {A first mathematical model of brood sorting by ants: 
			functional self-organization without swarm-intelligence},
  journal = {Ecological Complexity},
  year = 2007,
  pages = {234-241},
  volume = 4,
  number = 4,
  pdf = {pdf/paper/jt-art-int-13.pdf},
  url = {http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B7CRV-4PC90KM-2&_user=6598173&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000056839&_version=1&_urlVersion=0&_userid=6598173&md5=aff099fec02cc05af39a48cbe2d9fced},
  abstract = {Brood sorting, observed in Leptothorax unifasciatus ant colonies, is a major example 
 		   of social insects ability to solve problems at the collective level. 
		   Two processes characterize this phenomenon: a process of aggregation of all items 
		   in a single cluster, coupled with a process of segregation of items in concentric 
		   annuli, each containing items of different type and ordered such a way that the 
		   smallest are at the center, the largest at the periphery, and prepupæ dispersed 
		   in-between. In spite of its influence on algorithmic and robotic methods, no formal 
		   explanation of the brood-sorting phenomenon was ever given. We present a first 
		   mathematical model devoted to brood sorting. Our hypothesis about ants behavior 
		   are consciously minimal: we assume that random rules their acts, not only when 
		   they walk but also when they choose a brood item that they pick up, or beside 
		   which they deposit the one they carry. The first part of our work deals with the 
		   process of aggregation in a single cluster. The main subject of our study is the 
		   time evolution of a mathematical function linked to the notion of cluster. 
		   We prove that, whatever the number of ants acting, this function tends to 
		   decrease until it reaches a threshold that we compute: this threshold matches 
		   with the formation of the single cluster. The second part of our work deals 
		   with segregation in concentric annuli. Coupling the concept of virtual size of a 
		   brood item to the previous conclusions leads to a realistic explanation of the 
		   concentric structure observed in ant colonies. Finally, we prove the existence 
		   of a feed-back effect, so that our results suggest that brood sorting is a 
		   case of self-organization that does not involve swarm-intelligence.}
  author = {Simonnet, Mathieu and Guinard, Jean-Yves and Tisseau, Jacques},
  title = {Preliminary work for vocal and haptic navigation software for 
			blind sailors},
  journal = {International Journal on Disabilities and Human Development},
  year = 2006,
  pages = {195-201},
  volume = 5,
  number = 2,
  pdf = {pdf/paper/jt-art-int-12.pdf},
  abstract = {This study aims at the conception of haptic and vocal navigation software that 
 		   permits blind sailors to create and simulate ship itineraries. This question 
		   implies a problematic about the haptic strategies used by blind people to build their 
		   space representation when using maps. According to current theories, people without 
		   vision are able to construct cognitive maps of their environment but the lack of sight
		   tends to lead them to build egocentric and sequential mental pictures of space. 
		   Nevertheless, exocentric and unified representations are more efficient. 
		   Can blind people be helped to construct more effective spatial pictures? 
		   Prior works have shown that strategies are the most important factors in spatial 
		   performance in large-scale space. To encode space in an efficient way, we made our 
		   subject use the cardinal points reference in small-scale space. 
		   During our case study, a compass establishes a frame of external cues. 
		   In this respect, we support the assumption that training based on systematic 
		   exocentric reference helps blind subjects to build unified space. At the same time, 
		   this training has led the blind sailor to change his haptic strategies to explore tactile 
		   maps and to perform better. This seems to modify his processing of space representation. 
		   Eventually, we would like to study the transfer between map representation and environment 
		   mobility. Our final point is about using strategy based on cardinal points and haptic 
		   virtual reality technologies to help the blind improve their spatial cognition.}
  author = {Desmeulles, Gabriel and Querrec, Gabriel and Redou, Pascal and Kerdélo, Sébastien and Misery, Laurent and Rodin, Vincent and Tisseau, Jacques},
  title = {The virtual reality applied to biology understanding : 
			the in virtuo experimentation},
  journal = {Expert Systems with Applications},
  year = 2006,
  pages = {82-92},
  volume = 30,
  number = 1,
  pdf = {pdf/paper/jt-art-int-11.pdf},
  url = {http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V03-4H98V89-4&_user=6598173&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000056839&_version=1&_urlVersion=0&_userid=6598173&md5=dd69216af264d36547bd604de127574d},
  abstract = {The advent of the computer and computer science, and in particular virtual reality, 
 		   offers new experiment possibilities with numerical simulations and introduces a new 
		   type of investigation for the complex systems study: the in virtuo experiment.
		   This work lies on the framework of multi-agent systems. We propose a generic model for 
		   systems biology based on reification of the interactions, on a concept of organization 
		   and on a multi-model approach. By « reification »  we understand that interactions are 
		   considered as autonomous agents. The aim has been to combine the systemic paradigm 
		   and the virtual reality to provide an application able to collect, simulate, 
		   experiment and understand the knowledge owned by different biologists working around 
		   an interdisciplinary subject. Here, we have been focused on the urticaria disease 
		   Autonomy is taken as a principle. The method permits to integrate different natures 
		   of model in the same application using chaotic asynchronous iterations and C++ library: 
		   ARéVi. We have modeled biochemical reactions, molecular 3D diffusion, 
		   cell organizations and mechanical 3D interactions. It also permits to embed 
		   different expert system modeling methods like fuzzy cognitive maps. This 
		   work provides a toolbox easily adaptable to new biological studies.}
  author = {Redou, Pascal and Le Gal, Christophe and Querrec, Gabriel and Rodin, Vincent and Abgrall, Jean-François and Tisseau, Jacques},
  title = {Reaction agent: first mathematical validation of a multi-agent system 
 			for dynamical biochemical kinetics},
  journal = {Lecture Notes in Computer Science},
  year = 2005,
  pages = {156-166},
  volume = 3808,
  pdf = {pdf/paper/jt-art-int-10.pdf},
  url = {http://www.springerlink.com/content/p025748k43073115/?p=49d0305bee1b41b19e3f493cb356fb79&pi=0},
  abstract = {In the context of multi-agent simulation of biological complex systems, we present 
 		   a reaction-agent model for biological chemical kinetics that enables interaction 
		   with the simulation during the execution. In a chemical reactor with no spatial 
		   dimension -e.g. a cell-, a reaction-agent represents an autonomous chemical 
		   reaction between several reactants : it reads the concentration of reactants, adapts 
		   its reaction speed, and modifies consequently the concentration of reaction products. 
		   This approach, where the simulation engine makes agents intervene in a chaotic and 
		   asynchronous way, is an alternative to the classical model -which is not relevant 
		   when the limits conditions change- based on differential systems. 
		   We establish formal proofs of convergence for our reaction-agent methods, 
		   generally quadratic. We illustrate our model with an example about the extrinsic 
		   pathway of blood coagulation.}
  author = {Querrec, Gabriel and Bataille, Régis and Rodin, Vincent and Abgrall, Jean-François and Tisseau, Jacques},
  title = {Computer simulation of multiple myeloma in the context of systems biology},
  journal = {Haematologica-The Hematology Journal},
  year = 2005,
  pages = {92-93},
  volume = 90,
  pdf = {pdf/paper/jt-art-int-9.pdf},
  abstract = {Cancer is complex adaptive system. 
		We assume that multiple myeloma (MM) can be studied in the context of 
		complexity using Systems Biology (SB). SB is a new field in biology 
		aimed at understanding biology at systems level. We
		developed the In Virtuo experimentation for SB using virtual environment. 
		Multiagent systems provide an attractive
		computer framework for SB and In Virtuo approachs. We
		implement a computer simulation supporting the maturation model 
		of myeloma cells based on the CD45 expression.
		One has shown that CD45 expression decreases with the
		maturation of the cells and CD45 annihilation is a critical
		prognostic for patient survival. CD45 expression is also necessary 
		for IL6 proliferation signals but inhibits IGF-1 proliferation signals. 
		Moreover, CD45 expression is stimulated
		by IL6 and its activity inhibited by dimerization. The kinetics 
		of CD45 dimerization depends of the molecule isoform.
		So, we have developed a computer simulation based on a
		multiagent system which integrates the model of myeloma
		cell previously described in their micro-environnement. The
		simulation shows that kinetics of MM tumor presents an
		exponential shape which is characteristic of the
		first stages of tumor growth. Next, we can observe the loss
		of tumor connectivity, which was previously shown to
		occur with tumor evolution. We assume that CD45 isoform
		is an important feature for the proliferation signal choice. 
		Holistic study, by In Virtuo simulation enables simulation
		of emergent behavior of MM. The simulation shows the importance 
		of the microenvironement and the CD45 isoform for tumor
		evolution. Moreover, we assume that our original approach may
		allow research of new therapeutic targets and therapies.}
  author = {Rodin, Vincent and Benzinou, Abdessalam and Guillaud, Anne and Ballet, Pascal and Harrouet, Fabrice and Tisseau, Jacques and Le Bihan, Jean},
  title = {An immune oriented multiagent system for biological image processing},
  journal = {Pattern Recognition},
  year = 2004,
  pages = {631-645},
  volume = 37,
  number = 4,
  publisher = {Elsevier},
  pdf = {pdf/paper/jt-art-int-8.pdf},
  url = {http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V14-4BRRRFN-4&_user=6598173&_coverDate=04%2F30%2F2004&_alid=702203192&_rdoc=1&_fmt=summary&_orig=search&_cdi=5664&_docanchor=&view=c&_ct=1&_acct=C000056839&_version=1&_urlVersion=0&_userid=6598173&md5=4c77fe9158d49435d8cb1a3894b62143},
  abstract = {In this article, we present a parallel previous termimage processing system based 
 		   on the concept of reactive agents. Our system lies in the oRis language, 
		   which allows to describe finely and simply the agents' behaviors to detect 
		   image features. We also present a method of segmentation using a 
		   multi-agent system, and two biological applications made with oRis. 
		   The stopping of this multi-agent system  is implemented through a technique 
		   issued from immunology: the apoptosis.}
  author = {Popovici, Mircea and Gerval, Jean-Pierre and Chevaillier, Pierre and Tisseau, Jacques and Serbanati, Lucas and Guéguen, Patrick},
  title = {Educative Distributed Virtual Environments for Children},
  journal = {Journal of Distance Education Technologies},
  year = 2004,
  pages = {18-40},
  volume = 2,
  number = 4,
  pdf = {pdf/paper/jt-art-int-7.pdf},
  url = {http://www.igi-pub.com/articles/details.asp?ID=4530},
  abstract = {This paper presents a distributed virtual reality environment for children called EVE
 		   « Environnements Virtuels pour Enfants ». The virtual environment architecture is reactive agents based. 
		   The FCM-like dynamic action planning mechanism assures agent's adaptability to its environment changes. 
		   This virtual environment supports cooperation among members of a dispersed team engaged in a concurrent context. 
		   By the means of their avatars, special cases of agents, users are allowed to interact and to give decisions 
		   using cooperative mechanisms. A user-friendly interface enables teachers to create their own stories that 
		   fit with children's pedagogical requirements and generate new virtual environments according to the teacher's specifications. 
		   The implementation is based on DeepMatrix as environment server, VRML and Java as languages and Cortona VRML plug-in from 
		   ParallelGraphics. It is actually running on the Internet: http://eve.enib.fr .}
  author = {Nicolas, Marjorie and Abgrall, Jean-François and Ballet, Pascal and Tisseau, Jacques},
  title = {Multiagent simulation of blood coagulation},
  journal = {Thrombosis and Haemostasis},
  year = 2001,
  pages = {19-25},
  volume = {ISTH},
  abstract = {}
  author = {Maffre, Eric and Tisseau, Jacques and Parenthoën, Marc},
  title = {Virtual agents self-perception in storytelling},
  journal = {Lecture Notes in Computer Science},
  year = 2001,
  pages = {155-160},
  volume = 2197,
  publisher = {Springer},
  url = {http://www.springerlink.com/content/qupqducquu1nv46x/?p=d1546220b39c475c81de1242f6528312&pi=16},
  abstract = {The goal of this work is self-perception modeling of autonomous agents in virtual 
 		   storytelling. It is inspired from work of psychologists and neuro-physiologists. 
		   From psychology, we use fuzzy cognitive maps (FCM) to model and implement believable 
		   agents'behaviours. These cognitive maps allow us to give not only sensation but also 
		   perception, in the sense that our agents perceive environment in function of their 
		   inner states or emotions. From neuro-physiology, we implement the idea that movement 
		   is simulated in the cortex before it is performed in real world. Virtual agent's 
		   self-perception is the ability to simulate different behaviours in its own imaginary 
		   space before acting in « real » world. This self-perception implemented by 
		   « simulation in the simulation » is one of the keys for the autonomy of virtual 
  author = {Favier, Pierre-Alexandre and De Loor, PierrCMESe and Tisseau, Jacques},
  title = {Programming agent with purposes : application to autonomous 
			shooting in virtual environments},
  journal = {Lecture Notes in Computer Science},
  year = 2001,
  pages = {40-43},
  volume = 2197,
  publisher = {Springer},
  url = {http://www.springerlink.com/content/xpt1u4rcyppajx0h/?p=1e92bfb0c3c04ba0ba6a33344c55633d&pi=4},
  abstract = {This paper proposes an architecture for defining and executing agents\u2019 behaviour 
 		   from purposes. This architecture is used for the definition of an autonomous camera which 
		   makes automatic shooting of a virtual reality scene in real time. The user or others 
		   agents program the camera in a declarative and qualitative way. Multiples purposes 
		   can be specified. In case of contradictory purposes, the camera finds a compromise or, 
		   if not possible, leave some purposes. Multiple agents programmed by purposes generate 
		   complex and credible animations.}
  author = {Chevaillier, Pierre and Harrouet, Fabrice and Reignier, Pierre and Tisseau, Jacques},
  title = {Virtual reality and multi-agent systems for
 			manufacturing system interactive prototyping},
  journal = {International Journal of Design and Innovation Research},
  year = 2000,
  pages = {90-101},
  volume = 2,
  number = 1,
  pdf = {pdf/paper/jt-art-int-3.pdf},
  abstract = {This paper introduces a virtual reality platform based on a dynamic multi-agent programming language. 
 		   These tools have been designed to show that simulating a multi-agent system in a virtual environment 
		   with dynamic properties can be used for interactive prototyping.
		    This kind of prototyping has to be considered when the designed system cannot
		be described as a whole but as a set of autonomous components with many interactions. 
		Due to the fact that these interactions are very complex to model before
		simulating the system, we propose to let the designer enter inside the system and
		dynamically build, tune and mend the model.
		    The case of the flexible manufacturing system entirely corresponds to this approach. 
		    Actually, such a system can be described has a set of different models (from
		physical to behavioral) in interaction.}
  author = {Reignier, Pierre and Harrouet, Fabrice and Morvan, Serge and Tisseau, Jacques and Duval, Thierry},
  title = {{ARéVi} : a virtual reality multiagent platform},
  journal = {Lecture Notes in Artificial Intelligence},
  year = 1998,
  pages = {229-240},
  volume = 1434,
  publisher = {Springer},
  pdf = {pdf/paper/jt-art-int-2.pdf},
  url = {http://www.springerlink.com/content/e3r20x388849484n/?p=e0711dd7b0b54e78a6f68e03c7d03e88&pi=21},
  abstract = {ARéVi (in French, Atelier de Réalité Virtuelle) is a distributed virtual reality toolkit. 
 		   Its kernel (a group of C++ classes) makes it possible to create cooperative and distributed 
		   virtual reality applications by minimizing the programming effort. ARéVi is built around a 
		   dynamic multiagent language: oRis. At any time, this language allows to stop the ongoing 
		   session, to add new entities (known or not when starting the session), to modify an entity 
		   or an entire entity family behavior. More generally, oRis gives the user the ability to 
		   interact with the agents by directly using their language, thus offering a way of immersion 
		   through the language.}
  author = {Tisseau, Jacques and Patriat, Philippe},
  title = {Identification des anomalies magnétiques sur les dorsales 
			à faible taux d'expansion : méthode des taux fictifs},
  journal = {Earth and Planetary Science Letters},
  year = 1981,
  pages = {381-396},
  volume = 52,
  number = 2,
  publisher = {Elsevier},
  url = {http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V61-473M7PX-46&_user=6598173&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000056839&_version=1&_urlVersion=0&_userid=6598173&md5=c478d774dad0a9ceb15948195ab4baca},
  abstract = {The fit between calculated and observed magnetic anomalies from slow-spreading 
 		   centers is improved when allowing for a transition zone between two inversely 
		   magnetized blocks. In this paper it is shown that these models are very easily 
		   computed by choosing a fictitious spreading rate which is slower than the real 
		   spreading rate and by changing the distance scale appropriately. 
		   With these slow fictitious spreading rates, the models are very sensitive to 
		   the relative position of the successive inversions and could be used to adjust 
		   these positions in the magnetic time scales.}

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