CoNexDat

CoNexDat

Complex Networks and Data Communication Group

Complex Networks and Data Communication Group

Affiliations

Research areas

Complex Systems k-core decomposition, communities, and propagation in real-world networks. Learn more Data Science Twitter, elections, and human mobility at scale. Learn more Internet Internet topology, tomography, and routing at the autonomous-system level. Learn more Network traffic Self-similar traffic and quality measurement of residential Internet access. Learn more Ad-hoc networks Bio-inspired routing for infrastructure-less wireless networks. Learn more

News

  1. IETF Day Argentina at 55 JAIIO

    J. Ignacio Alvarez-Hamelin co-chaired the IETF workshop in La Plata, within 55 JAIIO (August 10 to 13).

  2. Paper at ACM IMC 2025

    Learning AS-to-Organization Mappings with Borges, presented in Madison, Wisconsin.

  3. New LaNet-vi release

    Large-network visualization with k-cores.

  4. netcores launched

    Interactive analysis of the Internet core.

  5. New preprint on arXiv

    Synchronization between media followers and political supporters during an election process.

  6. Article in Scientific Reports

    Who talks about what: information treatment in traditional media versus online discussions.

Recent publications

  1. Learning AS-to-Organization Mappings with Borges
    Carlos Selmo, Esteban Carisimo, Fabián E. Bustamante, and J. Ignacio Alvarez-Hamelin
    In Proceedings of the 2025 ACM Internet Measurement Conference (IMC ’25), 2025
    DOI
    Internet measurementInternet topology
    Details
  2. Extremal properties and bounds for the generalized algebraic connectivity of graphs in Euclidean spaces
    J. Ignacio Alvarez-Hamelin, Juan I. Giribet, Ignacio Mas, and J. Francisco Presenza
    Linear Algebra and its Applications, 2025
    DOIWebsite
    Graph theoryWireless & multi-robot networks
    Details
  3. Deterministic Networking (DetNet): Performance evaluation of the Packet Ordering Functions
    Juan-Cruz Piñero, Alberto Blanc, J. Ignacio Alvarez-Hamelin, and Georgios Z. Papadopoulos
    Computer Communications, 2025
    DOI
    Routing & protocolsTraffic & latency
    Details

See all publications »

Featured projects

Twitter: Elecciones 2019 The 2019 Argentine presidential elections, seen from Twitter. Visit site CDNs How content providers moved to the center of the Internet. Visit site LaNet-vi Large-network visualization with k-cores. Visit site I'm Here! A map of the Internet that shows where you are. Visit site TiX Measure the quality of your Internet access. Code on GitHub UBACyT Residential quality of service, tomography, and routing on the Internet. See projects

Research group within INTECIN, Instituto de Tecnologías y Ciencias de la Ingeniería "Ing. Hilario Fernández Long".