Overview
Personal profile
My academic trajectory has been defined by the intersection of geospatial algorithm analysis and high-performance computing. During my master's and doctoral research, I focused on developing robust computational methodologies for the distributed processing of complex datasets, with a particular interest in spatio-temporal data.
Currently, my work centers on the evolving fields of Geographic Information Science (GIS), Geoinformatics, and GeoAI, with a primary emphasis on the distributed processing of spatio-temporal data—specifically trajectory databases and satellite imagery. I specialize in leveraging high-performance cluster environments and advanced database indexing to manage and analyze large-scale geospatial information. My technical focus lies in distributed architectures and tools such as Scala and Apache Sedona. For more information, visit: https://cs.ucr.edu/~acald013/
Education
Master, Master's Degree in Geoinformation and Earth Observation
Award Date: 11 Mar 2011
Bachelor, Systems Engineering
Award Date: 21 Apr 2007
Keywords
- QA75 Electronic computers. Computer science
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
-
SDG 7 Affordable and Clean Energy
Fingerprint
- 1 Similar Profiles
Collaborations and top research areas from the last five years
-
On scalable DCEL overlay operations
Calderon-Romero, A., Abdelhafeez, L., Trajcevski, G., Magdy, A. & Tsotras, V. J., Jul 2025, In: GeoInformatica. 29, 3, p. 751-788 38 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Pyneapple-G: Scalable Spatial Grouping Queries
Abdelhafeez, L., Calderon-Romero, A., Magdy, A. & Tsotras, V. J., 2024, In: Proceedings of the VLDB Endowment. 17, 12, p. 4469-4472 4 p.Research output: Contribution to journal › Conference article › peer-review
2 Scopus citations -
Scalable Overlay Operations over DCEL Polygon Layers
Calderon-Romero, A., Tsotras, V. J. & Magdy, A., 23 Aug 2023, Proceedings of 18th International Symposium on Spatial and Temporal Data, SSTD 2023. Association for Computing Machinery, p. 85-95 11 p. (ACM International Conference Proceeding Series).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access1 Scopus citations -
Landsat and MODIS satellite image processing for solar irradiance estimation in the department of Narino-Colombia
Cabrera, O., Champutiz, B., Calderon, A. & Pantoja, A., 14 Nov 2016, 2016 21st Symposium on Signal Processing, Images and Artificial Vision, STSIVA 2016. Altuve, M. (ed.). Institute of Electrical and Electronics Engineers Inc., 7743306. (2016 21st Symposium on Signal Processing, Images and Artificial Vision, STSIVA 2016).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
5 Scopus citations -
Visual mining of moving flock patterns in large spatio-temporal data sets using a frequent pattern approach
Turdukulov, U., Calderon Romero, A. O., Huisman, O. & Retsios, V., Oct 2014, In: INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE. 28, 10, p. 2013-2029 17 p.Research output: Contribution to journal › Article › peer-review
Open Access26 Scopus citations
Press/Media
-
Two dead police officers and 50 million pesos stolen: several terrorist attacks shake the Colombian Southwest
20/05/24
1 item of Media coverage
Press/Media