# Chaulio Ferreira

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^{1}, Chaulio Ferreira## Timeline

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## Bibliography

2016

An Efficient External Memory Algorithm for Terrain Viewshed Computation.

ACM Trans. Spatial Algorithms and Systems, 2016

2014

A Parallel Algorithm for Viewshed Computation on Grid Terrains.

JIDM, 2014

An Improved Parallel Algorithm Using GPU for Siting Observers on Terrain.

Proceedings of the ICEIS 2014, 2014

An efficient GPU multiple-observer siting method based on sparse-matrix multiplication.

Proceedings of the 3rd ACM SIGSPATIAL International Workshop on Analytics for Big Geospatial Data, 2014

2013

A Parallel Sweep Line Algorithm for Visibility Computation.

Proceedings of the XIV Brazilian Symposium on Geoinformatics, 2013

2012

More efficient terrain viewshed computation on massive datasets using external memory.

Proceedings of the SIGSPATIAL 2012 International Conference on Advances in Geographic Information Systems (formerly known as GIS), 2012

2010

Heuristics to Site Observers in a Terrain Represented by a Digital Elevation Matrix.

Proceedings of the XI Brazilian Symposium on Geoinformatics, 2010