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Since 2020, the global economy has been dominated by the global outbreak of the SARS-CoV-2 virus causing the disease COVID-19. The outbreak of the pandemic was an external threat to companies, which had an impact on their innovation strategy On the other hand, for some companies, the pandemic is an opportunity for development. The global crisis, dynamic socio-technological changes, combined with globalization, cause a dizzying pace of change, there is no permission for failure in enterprises – you have to act and to do so effectively. One of the possible ways is to adapt/implement an innovation strategy The basic hypothesis in this paper is the claim that during the pandemic, the surveyed companies did not significantly limit their innovative activities and used an offensive strategy. The aim of the article is to identify the innovation strategies used in enterprises before and during the pandemic. In order to achieve the assumed goal, the article uses deductive inference, critical analysis of the subject-related literature and the in-depth interview (IDI). The research results presented in the article enrich the knowledge about innovative activities of enterprises during the pandemic. Innovation strategies used by enterprises before the pandemic (in 2016-2019) and during its duration (2020-2022) were identified. To summarise the research carried out, it can be stated that before the pandemic, respondents most often pointed to the offensive strategy, independent and market creation, during the pandemic to the offensive strategy, recruitment and independent. Enterprises that were innovative before the pandemic and applied innovation strategies did not stop doing so during the pandemic. [ABSTRACT FROM AUTHOR]

The paper aims to present a graph based recommender system for managing the Covid-19 crisis by considering patient and medical staff data. Working with limited number of medical staff, require optimization when creating the appropriate medical staff to assist patient. Patient medical files usually contain more information about the patient diseases and symptoms. In this paper the recommender system at first analyses the patient medical files to find and decide which profile of medical staff could assist efficiency this patient in a crisis situation. Second the recommender system by taking into account the availability of the medical staff will try to propose others doctors with the same profile and the nearest competencies. [ABSTRACT FROM AUTHOR]

The global pandemic triggered by the new COVID-19 led to severe limitations in daily life, both private and professional. Almost all companies have been affected in one way or another. The COVID-19 crisis imposed new challenges for enterprises. As a result, many companies have been forced to rethink how to align many of their processes and practices with the new COVID-19 context, and fulfill their mission while maintaining a safe and secure management business operating environment for both employees and customers. This paper aims to bring empirical evidence, through a questionnaire survey, of the positive influence of using Lean Management tools and Industry 4.0 technologies on five organizational dimensions (strategy, leadership, culture, operations and products, and technology). Data from 98 Algerian and French companies of different sizes and representing various activity sectors was collected. Respondents were asked to answer 5 organizational dimensions (strategy, leadership, culture, operations and products, and technology) in the context COVID-19 crisis. Statistical analysis was performed through path coefficient using a Smart PLS. The results show that Industry 4.0 technologies tend to be strongly associated with Lean management tools, and that understanding the relationship between Lean management tools and Industry 4.0 technologies can improve the organizational dimensions: leadership, strategy, operation, and production. This research provides managerial implications that can help managers to understand the synergies and benefits of integrating and implementing Lean 4.0 tools and technologies in organizations in both crises and regular contexts. [ABSTRACT FROM AUTHOR]