1 to 5 of 5 Results
Oct 8, 2025 - Área Geral
Machado Sobral, Pedro Filipe, 2025, "Tendência baciais em aspectos quânticos derivativos", https://doi.org/10.57979/RI8YJL, POLEN DataHub, V1
Teste |
Sep 30, 2025 - ACC
Talissa Harb-Anger; Sara Melo-Dias; Cátia Laranjeira; Pedro Leitão Lopes; João Mendes Moreira, 2025, "Portuguese Organizations in ROR", https://doi.org/10.57979/8AFSNH, POLEN DataHub, V4, UNF:6:CpnbolYpADvBZFV/48653A== [fileUNF]
The files in this dataset contain detailed information on the presence of Portuguese organizations in the Research Organization Registry (ROR), based on matching with ISNI (International Standard Name Identifier) records. Each file includes the following columns: ISNI – Unique identifier assigned to the organization by the ISNI system. Organization... |
Dec 7, 2023 - Ultra-high-accuracy X-ray spectroscopy of transition metal oxides and rare earths
Guerra, Mauro; Machado, Jorge; Pinheiro, Daniel; Baptista, Gonçalo; Godinho, César; Fernandes, André; Amaro, Pedro; Sampaio, Jorge Miguel; Marques, José Pires; Parente, Fernando; Santos, José Paulo, 2023, "Magnesium", https://doi.org/10.57979/L2ERID, POLEN DataHub, V1
Magnesium |
Jun 19, 2023 - Arquivo Português de Informação Social
Rego, Raquel, 2023, "Projeto REP - Representatividade dos Parceiros Sociais e Impacto da Governança Económica", https://doi.org/10.57979/SIFFWZ, POLEN DataHub, V1, UNF:6:HkmO9VzkkFw6gYtNCTgACg== [fileUNF]
Um dos objetivos do projeto REP - https://rep.ics.ulisboa.pt/ - era descrever em extensão a representatividade de sindicatos e associações de empregadores portugueses a partir de um conceito multifacetado de representação, que previsse uma dimensão descritiva (por exemplo discriminando quem são os dirigentes) e uma dimensão substantiva (contempland... |
May 24, 2023 - Hugo Pedro Proença Dataverse
Proença, Hugo Pedro, 2023, "UBIRIS.v1", https://doi.org/10.57979/OSM3H8, POLEN DataHub, V1
UBIRIS.v1 database is composed of 1877 images collected from 241 persons during September, 2004 in two distinct sessions. Its most relevant characteristic is to incorporate images with several noise factors, simulating less constrained image acquisition environments. This enables the evaluation of the robustness of iris recognition methods. For the... |

