• A MAC Protocol to Support Monitoring of Underwater Spaces 

      Santos, Rodrigo; Orozco, Javier; Ochoa Delorenzi, Sergio; Meseguer, Roc; Eggly, Gabriel; Pistonesi, Marcelo F. (MDPI AG, 2016)
      Underwater sensor networks are becoming an important field of research, because of their everyday increasing application scope. Examples of their application areas are environmental and pollution monitoring (mainly oil ...
    • A reusable structural design for mobile collaborative applications 

      Neyem, Andrés; Ochoa Delorenzi, Sergio; Pino Urtubia, José; Franco, Rubén Darío (Elsevier, 2012)
      Architecting mobile collaborative applications has always been a challenge for designers. However, counting on a structural design as a reference can help developers to reduce risks and efforts involved in system design. ...
    • Architecting E-Coaching systems: a first step for dealing with their intrinsic design complexity 

      Ochoa Delorenzi, Sergio; Gutiérrez Figueroa, Francisco Javier (IEEE Computer Society, 2018)
      E-coaching systems are a highly valuable asset for promoting healthier lifestyles. However, the design of these systems is intrinsically complex. This article proposes a loosely coupled architecture to support the modeling ...
    • An architecture to support the design and evaluation of software platforms for partially virtual communities 

      Gutiérrez, Francisco J.; Ochoa Delorenzi, Sergio; Baloian Tataryan, Nelson; Zurita Alarcón, Gustavo; Loyola, Luis (Slovak Acad Sciences Inst Informatics, 2015)
      Several researchers have identified the design of collaborative systems as a particularly challenging task, because it has to consider services that are not easily identifiable by software designers. The systems that ...
    • Characterization of Extremal Antipodal Polygons 

      Aichholzer, O.; Caraballo, L. E.; Díaz Báñez, J. M.; Fabila Monroy, R.; Ochoa Delorenzi, Sergio; Nigsch, P. (Springer, 2015)
      Let S be a set of 2n points on a circle such that for each point p∈S also its antipodal (mirrored with respect to the circle center) point p′ belongs to S. A polygon P of size n is called antipodal if it consists of precisely ...
    • Clairvoyance: A framework to integrate shared displays and mobile computing devices 

      Berkhoff, Christian; Ochoa Delorenzi, Sergio; Pino Urtubia, José; Favela, Jesus; Oliveira, Jonice; Guerrero, Luis (Elsevier, 2014)
      Supporting formal and informal meetings with digital information and ubiquitous software systems every day becomes increasingly mandatory. These meetings require that the integration of devices participating in the meeting ...
    • Clairvoyance: A framework to integrate shared displays and mobile computing devices 

      Berkhoff, Christian; Ochoa Delorenzi, Sergio; Pino Urtubia, José; Favela, Jesús; Oliveira, Jonice; Guerrero, Luis A. (Elsevier, 2014)
      Supporting formal and informal meetings with digital information and ubiquitous software systems every day becomes increasingly mandatory. These meetings require that the integration of devices participating in the meeting ...
    • Collaborative Learning and Creative Writing 

      Guerrero, Luis A.; Mejías, Boris; Collazos, César A.; Pino Urtubia, José; Ochoa Delorenzi, Sergio (IEEE, 2003)
      CSCL software tools must provide support for group work and should be based on a collaborative learning technique. The PBL based CCCuento tool is introduced here. It is intended to support apprentices groups in the ...
    • A Context-Aware Model to Provide Positioning in Disaster Relief Scenarios 

      Moreno, Daniel; Ochoa Delorenzi, Sergio; Meseguer, Roc (MDPI AG, 2015)
      The effectiveness of the work performed during disaster relief efforts is highly dependent on the coordination of activities conducted by the first responders deployed in the affected area. Such coordination, in turn, ...
    • Coordinating Loosely-Coupled Work in Construction Inspection Activities 

      Ochoa Delorenzi, Sergio; Bravo, Gabriel; Pino Urtubia, José; Rodríguez Covili, Juan (Springer, 2011-01)
      Inspections represent key activities in construction projects. They allow coordinating the work of the main contractor and the subcontracted companies participating in the project. Today the inspection activities and the ...
    • CSCWD: Applications and Challenges J.UCS Special Issue 

      Borges, Marcos R. S.; Shen, Weiming; Pino Urtubia, José; Ochoa Delorenzi, Sergio (GRAZ UNIV TECHNOLGOY, INST INFORMATION SYSTEMS COMPUTER MEDIA-IICM, 2011)
    • Cyber-physical systems, internet of things and big data 

      Ochoa Delorenzi, Sergio; Fortino, Giancarlo; Di Fatta, Giuseppe (Elsevier, 2017)
      Advances in wireless communication, in computing and in sensing devices, along with the cost reduction of these technologies, have prompted and accelerated the development of Cyber-Physical Systems that adopt the Internet ...
    • Designing the communications infrastructure of groupware systems 

      Ochoa Delorenzi, Sergio; Guerrero, Luis A.; Fuller, David A.; Herrera, Oriel (SPRINGER-VERLAG BERLIN, 2002)
      In the development of groupware systems a well designed communications infrastructure is required, due to the high complexity of the communication scenario. Also, the design and implementation of coordination and ...
    • Distributed solutions for ubiquitous computing and ambient intelligence 

      Ochoa Delorenzi, Sergio; López de Ipiña, Diego (Elsevier, 2014)
    • EBTAM: technology acceptance in e-Business environments 

      Leyton, Diego; Pino Urtubia, José; Ochoa Delorenzi, Sergio (Springer, 2015)
      e-Business organizations must frequently face changes in their systems to stay competitive. However, it is not guaranteed the new systems will be acceptable for the workers. The e-Business Technology Acceptance Model ...
    • EDIPS: an Easy to Deploy Indoor Positioning System to support loosely coupled mobile work 

      Vera, Rodrigo; Ochoa Delorenzi, Sergio; Aldunate, Roberto (Springer, 2011)
      Loosely coupled mobile work is characterized by nomadic workers collaborating in sporadically and ondemand ways. Supporting nomadic workers’ interactions requires knowing the location of the potential collaborator; therefore, ...
    • Emerging Trends in Mobile Collaborative Systems 

      Ochoa Delorenzi, Sergio; Shen, Weiming; Fortino, Giancarlo; Li, Wenfeng (Hindawai, 2016)
    • Energy-aware topology control strategy for human-centric wireless sensor networks 

      Meseguer, Roc; Molina, Carlos; Ochoa Delorenzi, Sergio; Santos, Rodrigo (2014)
      The adoption of mobile and ubiquitous solutions that involve participatory or opportunistic sensing increases every day. This situation has highlighted the relevance of optimizing the energy consumption of these solutions, ...
    • Enhancing the student learning experience in software engineering project courses 

      Marques, M.; Ochoa Delorenzi, Sergio; Bastarrica Piñeyro, María Cecilia; Gutiérrez, Francisco J. (IEEE-Inst Electrical Electronics Engineers INC, 2018)
      Carrying out real-world software projects in their academic studies helps students to understand what they will face in industry, and to experience first-hand the challenges involved when working collaboratively. Most of ...
    • High level MANET protocol: Enhancing the communication support for mobile collaborative work 

      Rodríguez Covili, Juan; Ochoa Delorenzi, Sergio; Pino Urtubia, José (Elsevier, 2012-01)
      Mobile collaborative activities involve on-demand interactions among nomad users. Unavailability of communication support in the physical scenario where users are located cannot be a limitation to carry out such collaboration ...