 | 2009 |
| 4 |  | João Pedro Cerveira Cordeiro,
Gilberto Câmara,
Ubirajara Moura de Freitas,
Felipe Almeida:
Yet Another Map Algebra.
GeoInformatica 13(2): 183-202 (2009) |
| 1999 |
| 3 |  | Gilberto Câmara,
Rogério Thomé,
Ubirajara Moura de Freitas,
Antônio Miguel Vieira Monteiro:
Interoperability in Practice: Problems in Semantic Conversion from Current Technology to OpenGIS.
INTEROP 1999: 129-138 |
| 1996 |
| 2 |  | Gilberto Câmara,
Marco A. Casanova,
Ubirajara Moura de Freitas,
João Pedro Cerveira Cordeiro,
Lauro Hara:
A Presentation Language for GIS Cadastral Data.
ACM-GIS 1996: 139-146 |
| 1 |  | Gilberto Câmara,
Ricardo Cartaxo Modesto de Souza,
Ubirajara Moura de Freitas,
Juan Garrido:
Spring: integrating remote sensing and gis by object-oriented data modelling.
Computers & Graphics 20(3): 395-403 (1996) |