Willy Picard

• Ph.D in Computer Science
• Poznań University of Economics and Business

Human and software agents are more and more often interacting in groups in which directives are originated as well as addressed by humans or software agents. Among challenges raised by the rise of such heterogeneous groups, referred to as Human-Agent Collectives (HACs), resilience and robustness remain an open question. In this paper, the factors t...

In this chapter, flexibility and adaptation of collaborative processes occurring among organizations by applying the Service-Oriented Architecture (SOA) at the inter-organizational level are considered. First, an in-depth rationale for a service-oriented approach to inter-organizational collaboration is presented. The need for SOA at the inter-orga...

From the perspective of reindustrialization, it is important to understand the evolution of the structure of the network of organizations employment structure, and organization value. Understanding the potential influence of collaborative networks (CNs) on these aspects may lead to the development of appropriate economic policies. In this paper, we...

Volvo IT Belgium has provided real-life datasets for the need of the Third International Business Process Intelligence Challenge, in the form of event logs generated by the VINST system used across the Volvo corporation to support incident and problem handling. Volvo has also pointed 4 aspects of their business operations they would like to be scru...

Collaboration models and tools aim at improving the efficiency and effectiveness of human interactions. Although social relations among collaborators have been identified as having a strong influence on collaboration, they are still insufficiently taken into account in current collaboration models and tools. In this paper, the concept of service pr...

Besides the need for a better understanding of networks, there is a need for prescriptive models and tools to specify requirements concerning networks and their associated graph representations. We propose class-based graphs as a means to specify requirements concerning object-based graphs. Various variants of membership are proposed as special rel...

The decomposition of information into smaller bunches of data is a commonly observed process on the Web, Twitter and RSS being manifestations of this process. As a consequence, a shift may be observed from an information world in which information comes in large bunches of data, to a world of short-sentence documents. This shrinking of information...

Virtual organizations (VOs) have been proposed as an answer to the characteristics of highly competitive global business environments. Organizations collaborating within a VO are interacting by consuming and providing services to each other to finally provide services to their customers. Novel models for semantic description of VOs are still to be...

The goal of this chapter is to explore potential IT support for collaborative networked organizations encompassing both the service and network orientations of e-business environments. First, it is argued that the main reason for collaboration among organizations is the need for competitive advantage, leading to the concept of Collaborative Network...

The choice of a suitable service provider is an important issue often overlooked in existing architectures. Current systems focus mostly on the service itself, paying little (if at all) attention to the service provider. In the Service Oriented Architecture (SOA), Universal Description, Discovery and Integration (UDDI) registries have been proposed...

In highly competitive, globalized economies and societies of always-on-line people intensively using the Internet and mobile phones, public administrations have to adapt to new challenges. Enterprises and citizens expect public administrations to be agile and pro-active to foster development. A way to achieve agility and pro-activity is application...

Performance management (PM) is a key function of virtual organization (VO) management. A large set of PM indicators has been proposed and evaluated within the context of virtual breeding environments (VBEs). However, it is currently difficult to describe and select suitable PM indicators because of the lack of a common vocabulary and taxonomies of...

Despite many works on collaborative networked organizations (CNOs), CSCW, groupware, workflow systems and social networks, computer support for virtual teams is still insufficient, especially support for agility, i.e. the capability of virtual team members to rapidly and cost efficiently adapt the way they interact to changes. In this paper, requir...

In the context of globalization and dynamic markets, collaboration among organizations is a condition sine qua non for organizations, especially small and medium enterprises, to remain competitive. Virtual organizations have been proposed as an organizational structure adapted to collaboration among organizations. The concept of Virtual Organizatio...

Support for human-to-human interactions over a network is still insufficient, particularly for professional virtual communities (PVC). Among other limitations, adaptation and learning-by-experience capabilities of humans are not taken into account in existing models for collaboration processes in PVC. This paper presents a model for adaptive human...

Support for organization competences is an important function of Virtual Organization Breeding Environments (VOBEs), allowing VOBE members to publish and consult about the activities they may perform. In Service-Oriented VOBEs (SOVOBEs), organized systematically around the concept of services, existing competence models should be extended to suppor...

The creation of Virtual Breeding Environments (VBE) is a topic which has received too little attention: in most former works, the existence of the VBE is either assumed, or is considered as the result of the voluntary, participatory gathering of a set of candidate companies. In this paper, the creation of a VBE by a third authority is considered: c...

A Virtual Organization Breeding Environment (VOBE) is an accepted concept in the research area of collaborative networks. So far, existing VOBEs are based on an infrastructure providing only limited support for efficient integration of VOBE members, and virtual organization partners on both technical and business levels. Thus, the Service-Oriented...

In Service-Oriented Virtual Organization Breeding Environments (SOVOBEs), services performed by people, organizations and information systems are composed in potentially complex business processes performed by a set of partners. In a SOVOBE, the success of a virtual organization depends largely on the partner and service selection process, which de...

While Enterprise Architecture Modeling (EAM) methodologies become more and more popular, an EAM methodology tailored to the needs of virtual organizations (VO) is still to be developed. Among the most popular EAM methodologies, TOGAF has been chosen as the basis for a new EAM methodology taking into account characteristics of VOs presented in this...

Despite many works in CSCW, groupware, workflow systems and social networks, computer support for human-to-human interactions is still insufficient, especially support for agility, i.e. the capability of a group of human beings, collaborators, to rapidly and cost efficiently adapt the way they interact to changes. In this paper, requirements for co...

Support for human-to-human interactions over a network is still insufficient, particularly for Professional Virtual Communities (PVCs). Among other limitations, adaptation capabilities of humans are not taken into account in existing models for collaboration processes in PVCs. This paper presents a model for adaptive human collaboration. A key elem...

Support for human-to-human interactions over a network is still insufficient, while important in the context of Web 2.0. Many works have to be done to provide both theoretical and practical knowledge to this field. The model of social protocols has been formerly presented as a model of human-to-human interactions. In this paper, an enhanced version...

International Federation for Information Processing The IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. The scope of the series includes: foundations of computer science; software theory and practice; education; computer applications in technology; communication systems; systems mode...

Support for human-to-human interactions over a network is still insufficient, particularly for professional virtual communities (PVCs). Among other limitations, neither adaptation capabilities of humans, nor social aspects related to leverage are taken into account in existing models for collaboration processes in PVC. This paper presents a model f...

Support for human-to-human interactions over a network is still insufficient, particularly for professional virtual communities (PVC). Among other limitations, adaptation and learning-by-experience capabilities of humans are not taken into account in existing models for collaboration processes in PVC. This paper presents a model for adaptive human...

Among various reasons for the weak support for human-to-human interactions, one may distinguish the following two reasons: first, many social elements are involved in the interaction among humans. An example of such a social element may be the roles played by humans during their interactions. Social elements are usually difficult to model, i.e. int...

Support for human-to-human interactions over a network is still insufficient. In this paper a model for human-to-human collaboration based on the concept of social protocol is presented and formalized. Then, semantical and structural validity of social protocols is defined. Next, an algebraic representation of social protocols is proposed. Based on...

Support for human-to-human interactions over a network is still insufficient, particularly for professional virtual communities (PVC). Among other limitations, adaptation capabilities of humans are not taken into account in existing models for collaboration processes in PVC. This paper presents a model for adaptive human collaboration. A key elemen...

Existing systems supporting collaboration processes typically implement a single, fixed collaboration protocol, and collaboration process takes place inside a single group. In this paper, we present a model which provides support for multiple collaboration protocols for non-monolithic collaboration processes, i.e. collaboration processes in which c...

Support for human-to-human interactions over a network is stil insufficient. Many research has to been done to provide both theoretical and practical knowledge to this field. This paper presents a model for adaptive human collaboration. A key element of this model is the modeling of some social elements involved during the collaboration process. Pr...

Existing ERP systems provide an IT solution to the management of enterprise resources based on the function-oriented management approach. With an increasingly wide adoption of the project-oriented management, new models are needed for ERP systems to support the management of enterprise resources in a project-oriented manner. This paper presents an...

Existing systems supporting collaboration processes typically implement a single, fixed collaboration protocol, and collaboration process takes place inside a single group. In this paper, we present the DynG prototype which provides support for multiple collaboration protocols for non-monolithic collaboration processes, i.e. collaboration processes...

Existing systems supporting collaboration processes typically implement a single, fixed collaboration protocol, and collaboration process takes place inside a single group. In this paper, we present the DynG prototype which provides support for multiple collaboration protocols for non-monolithic collaboration processes, i.e. collaboration processes...

Existing systems supporting collaboration processes typically implement a single, fixed collaboration protocol, and collaboration process takes place inside a single group. In this paper, we present in details the DynG prototype which provides support for multiple collaboration protocols for non-monolithic collaboration processes, i.e. collaboratio...

Traditionally, research in electronic negotiations support has concentrated on monolithic negotiations, i.e. negotiations in which parties are unitary decision entities. In this paper, a model for non-monolithic electronic negotiations is introduced. This model, named the contract-group-message model, integrates a multiversion contract model, and s...

Traditionally, research in electronic negotiations support has concentrated on monolithic negotiations, i.e. negotiations in which parties are unitary decision entities. In this paper, a model for non-monolithic electronic negotiations is introduced. This model, named the contract-group-message model, integrates a multiversion contract model, and s...

Traditionally, research in support for collaborative document edition has concentrated on non-monolithic edition, i.e. edition processes in which parties are unitary decision entities cooperating inside a single group. In this paper, a model for nonmonolithic collaborative document model is introduced. This model, named the document-group-message m...

In the context of economy globalization, the need for globally distributed negotiations involving a high number of negotiators communicating through the Internet becomes an important business issue. In such negotiations, the amount of information describing the negotiation process is too high to be easily understood by humans. In this paper, a prot...

The Agora system presented in this paper is a tool devoted to business-to-business electronic commerce. Agora is composed of two main parts. The first one, called the virtual table, is a conferencing tool which allows negotiations between business partners. The second one is a collaborative document writing tool which supports editing of business c...

In the context of economy globalization, the need for globally distributed negotiations involving a high number of negotiators communicating through the Internet becomes an important business issue. In such negotiations, the amount of information describing the negotiation process is too high to be easily understood by humans. In this paper, a nego...

In this dissertation, an approach, called multi-facet analysis of e-negotiation, is presented that enables various aspect of a negotiation process to be analyzed. In this approach, three new techniques are proposed: first, a multiversion contract model used to represent the negotiation process and to capture the relationships between offers and cou...

Up to date, research on computer-supported cooperative work (CSCW) focused mainly on the adaptation of collaboration models used in Intranet to the specificity of Internet. No collaboration model deals with the problem of high amount of data resulting from the high number of collaborators. In this paper, a model of document edition in highly concur...

An attempt to achieve this goal is to delegate the responsibility of the negotiation from a human negotiator to a computer. In such case we talk about automated negotiations. The negotiation is said to be fully automated if negotiations are conducted by software agents without human intervention in the negotiation process. Research topics involved...

Up to date, research on automatic classification focused mainly on the efficiency of algorithms in regard to a given aspect of a dataset. The issue of classification of a given dataset in regard to various aspects is generally not addressed. In this chapter, a multi-facet hierarchical classi-fication technique based on the single-link clustering is...

In the era of delocalization and globalization of economy, companies need to negotiate at a global scale. The high costs related to face-to-face meetings can be reduced by the use of the Internet as a communication medium. New tools are, however, needed to allow contractors, both from multinational enterprises and from SMEs, to negotiate efficientl...

In the context of economy globalization, the need for globally distributed negotiations involving a high number of negotiators communicating through the Internet becomes an important business issue. In such negotiations, the amount of information describing the negotiation process is too high to be easily understood by humans. In this paper, a nego...

Up to date research on computer-supported cooperative work (CSCW) focused mainly on the adaptation of collaboration models used in Intranet to the specificity of Internet. No collaboration model deals with the problem of high amount of data resulting from the high number of collaborators. In this paper, a model of document edition in highly concurr...

Contract negotiation is a costly process. By the use of Internet, it is possible to reduce the costs related with face-to-face meeting and to shorten the whole process. Internet can be used to develop new negotiation models that improve current negotiation capabilities. In this paper, the state of the art in the contract negotiation area is present...