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Debra Laefer

Professor of Practice, Center for Urban Science + Progress

    1993 …2025

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    • 2023

      Restructuring Construction Thinking for Urban Material Reuse

      Haghani, R. & Laefer, D. F., 2023, IABSE Congress, New Delhi 2023: Engineering for Sustainable Development, Report. International Association for Bridge and Structural Engineering (IABSE), p. 1113-1119 7 p. (IABSE Congress, New Delhi 2023: Engineering for Sustainable Development, Report).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • 2022

      4DHI: An index for approximate kNN search of remotely sensed images in Key-Value databases

      Hewage, C. N. L., Vo, A. V., Le-Khac, N. A., Laefer, D. & Bertolotto, M., 2022, Proceedings - 2022 IEEE International Conference on Cloud Engineering, IC2E 2022. Institute of Electrical and Electronics Engineers Inc., p. 170-181 12 p. (Proceedings - 2022 IEEE International Conference on Cloud Engineering, IC2E 2022).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Advances in and Benefits of Rapid Steel Connections

      Al-Sabah, S., Laefer, D. F., Schultz, A. E. & McGetrick, P., 2022, IABSE Congress Nanjing 2022 - Bridges and Structures: Connection, Integration and Harmonisation, Report. International Association for Bridge and Structural Engineering (IABSE), p. 742-749 8 p. (IABSE Congress Nanjing 2022 - Bridges and Structures: Connection, Integration and Harmonisation, Report).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • DACMA: Designing space ordering optimizations to scalably manage aerial images

      Hewage, C. N. L., Laefer, D., Bertolotto, M., Vo, A. V. & Le-Khac, N. A., 2022, Proceedings - 2022 IEEE International Conference on Big Data, Big Data 2022. Tsumoto, S., Ohsawa, Y., Chen, L., Van den Poel, D., Hu, X., Motomura, Y., Takagi, T., Wu, L., Xie, Y., Abe, A. & Raghavan, V. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 4916-4925 10 p. (Proceedings - 2022 IEEE International Conference on Big Data, Big Data 2022).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • HEAT AND PRESSURE DEVELOPMENTS IN CHEMICAL DEMOLITION AGENTS

      Atteyeh, S. N. & Laefer, D. F., 2022, REHABEND 2022 - Construction Pathology, Rehabilitation Technology and Heritage Management. Blanco, H., Boffill, Y. & Lombillo, I. (eds.). University of Cantabria - Building Technology R&D Group, p. 1584-1591 8 p. (REHABEND).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • 2021

      Free Vibration Analysis of Torsional Line Shafts of Four-Stroke Engine

      Rezaiguia, A., Guenfoud, S. & Laefer, D. F., 2021, Advances in Mechanical Engineering, Materials and Mechanics - Selected contributions from the 7th International Conference on Advances in Mechanical Engineering and Mechanics, ICAMEM 2019. Kharrat, M., Dammak, F. & Baccar, M. (eds.). Springer, p. 211-217 7 p. (Lecture Notes in Mechanical Engineering).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • 2019

      AMASS: Advanced manufacturing for the assembly of structural steel

      Schultz, A. E., Le, J. L., Shemshadian, M. E., Labbane, R., Laefer, D. F., Al-Sabah, S., Truong-Hong, L., Huynh, M., McGetrick, P., Martin, T. & Matis, P., 2019, ISEC 2019 - 10th International Structural Engineering and Construction Conference. Ozevin, D., Ataei, H., Modares, M., Gurgun, A. P., Yazdani, S. & Singh, A. (eds.). ISEC Press, (ISEC 2019 - 10th International Structural Engineering and Construction Conference).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Efficient LiDAR point cloud data encoding for scalable data management within the Hadoop eco-system

      Vo, A. V., Hewage, C. N. L., Russo, G., Chauhan, N., Laefer, D. F., Bertolotto, M., Le-Khac, N. A. & Oftendinger, U., Dec 2019, Proceedings - 2019 IEEE International Conference on Big Data, Big Data 2019. Baru, C., Huan, J., Khan, L., Hu, X. T., Ak, R., Tian, Y., Barga, R., Zaniolo, C., Lee, K. & Ye, Y. F. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 5644-5653 10 p. 9006044. (Proceedings - 2019 IEEE International Conference on Big Data, Big Data 2019).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Intermeshing: A new concept for rapid steel erection

      Al-Sabah, S., Laefer, D. F. & Truong-Hong, L., 2019, 20th Congress of IABSE, New York City 2019: The Evolving Metropolis - Report. International Association for Bridge and Structural Engineering (IABSE), p. 187-194 8 p. (20th Congress of IABSE, New York City 2019: The Evolving Metropolis - Report).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Outlier detection of point clouds generating from low-cost UAVs for bridge inspection

      Chen, S., Truong-Hong, L. C., O’Keeffe, E., Laefer, D. F. & Mangina, E., 2019, Life-Cycle Analysis and Assessment in Civil Engineering: Towards an Integrated Vision - Proceedings of the 6th International Symposium on Life-Cycle Civil Engineering, IALCCE 2018. Frangopol, D. M., Caspeele, R. & Taerwe, L. (eds.). CRC Press/Balkema, p. 1969-1975 7 p. (Life-Cycle Analysis and Assessment in Civil Engineering: Towards an Integrated Vision - Proceedings of the 6th International Symposium on Life-Cycle Civil Engineering, IALCCE 2018).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • 2018

      Lessons learned with laser scanning point cloud management in Hadoop HBase

      Vo, A. V., Konda, N., Chauhan, N., Aljumaily, H. & Laefer, D. F., 2018, Advanced Computing Strategies for Engineering - 25th EG-ICE International Workshop 2018, Proceedings. Domer, B. & Smith, I. F. (eds.). Springer Verlag, p. 231-253 23 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10863 LNCS).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • 2017

      Oculus rift application for training drone pilots

      O'Keeffe, E., Campbell, A., Swords, D., Laefer, D. F. & Mangina, E., Sep 11 2017, Proceedings of the 10th EAI International Conference on Simulation Tools and Techniques, SIMUTOOLS 2017. Association for Computing Machinery, p. 77-80 4 p. (ACM International Conference Proceeding Series).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Structural health monitoring developments in TRUSS Marie Skłodowska-curie innovative training network

      González, A., Huseynov, F., Heitner, B., Vagnoli, M., Moughty, J. J., Barrias, A., Martinez, D., Chen, S., O'Brien, E., Laefer, D., Casas, J. R., Remenyte-Prescott, R., Yalamas, T. & Brownjohn, J., 2017, SHMII 2017 - 8th International Conference on Structural Health Monitoring of Intelligent Infrastructure, Proceedings. Mahini, S., Mahini, S. & Chan, T. (eds.). International Society for Structural Health Monitoring of Intelligent Infrastructure, ISHMII, p. 1091-1101 11 p. (SHMII 2017 - 8th International Conference on Structural Health Monitoring of Intelligent Infrastructure, Proceedings).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • The effect of angles and distance on image-based, three-dimensional reconstructions

      Chen, S., Laefer, D. F., Byrne, J. & Natanzi, A. S., 2017, Safety and Reliability – Theory and Applications - Proceedings of the 27th European Safety and Reliability Conference, ESREL 2017. Cepin, M. & Briš, R. (eds.). CRC Press/Balkema, p. 2757-2762 6 p. (Safety and Reliability - Theory and Applications - Proceedings of the 27th European Safety and Reliability Conference, ESREL 2017).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • Tunneling appropriate computational models from laser scanning data

      Truong-Hong, L. & Laefer, D. F., 2017, IABSE Conference, Vancouver 2017: Engineering the Future - Report. International Association for Bridge and Structural Engineering (IABSE), p. 175-182 8 p. (IABSE Conference, Vancouver 2017: Engineering the Future - Report; vol. 109).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • 2016

      An integrated octree-RANSAC technique for automated LiDAR building data segmentation for decorative buildings

      Hamid-Lakzaeian, F. & Laefer, D. F., 2016, Advances in Visual Computing - 12th International Symposium, ISVC 2016, Proceedings. Bebis, G., Koracin, D., Isenberg, T., Skaff, S., Sadagic, A., Boyle, R., Porikli, F., Min, J., Scheidegger, C., Entezari, A., Parvin, B. & Iwai, D. (eds.). Springer Verlag, p. 454-463 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10073 LNCS).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Chemical demolition of unit masonry: A preparatory study

      Natanazi, A. S., Laefer, D. F. & Mullane, S., 2016, Structural Analysis of Historical Constructions: Anamnesis, diagnosis, therapy, controls - Proceedings of the 10th International Conference on Structural Analysis of Historical Constructions, SAHC 2016. Van Balen, K., Verstrynge, E. & Van Balen, K. (eds.). CRC Press/Balkema, p. 88-95 8 p. (Structural Analysis of Historical Constructions: Anamnesis, diagnosis, therapy, controls - Proceedings of the 10th International Conference on Structural Analysis of Historical Constructions, SAHC 2016).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Considerations for a district-level, tunnel-risk, screening tool

      Moradabadi, E. & Laefer, D. F., 2016, ITA-AITES World Tunnel Congress 2016, WTC 2016. Society for Mining, Metallurgy and Exploration, p. 2272-2279 8 p. (ITA-AITES World Tunnel Congress 2016, WTC 2016; vol. 3).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Emerging city-scale damage prediction options for urban tunnelling

      Laefer, D. F., 2016, Structural Analysis of Historical Constructions: Anamnesis, diagnosis, therapy, controls - Proceedings of the 10th International Conference on Structural Analysis of Historical Constructions, SAHC 2016. Van Balen, K., Verstrynge, E. & Van Balen, K. (eds.). CRC Press/Balkema, p. 15-22 8 p. (Structural Analysis of Historical Constructions: Anamnesis, diagnosis, therapy, controls - Proceedings of the 10th International Conference on Structural Analysis of Historical Constructions, SAHC 2016).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • 2015

      Aerial laser scanning and imagery data fusion for road detection in city scale

      Vo, A. V., Truong-Hong, L. & Laefer, D. F., Nov 10 2015, 2015 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 4177-4180 4 p. 7326746. (International Geoscience and Remote Sensing Symposium (IGARSS); vol. 2015-November).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • A semi-automatic member detection for metal bridges

      Truong-Hong, L. & Laefer, D. F., 2015, IABSE Conference, Nara 2015: Elegance in Structures - Report. International Association for Bridge and Structural Engineering (IABSE), p. 214-215 2 p. (IABSE Conference, Nara 2015: Elegance in Structures - Report).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Documentation of bridges by terrestrial laser scanner

      Truong-Hong, L. & Laefer, D. F., 2015, IABSE Conference, Geneva 2015: Structural Engineering: Providing Solutions to Global Challenges - Report. International Association for Bridge and Structural Engineering (IABSE), p. 1384-1391 8 p. (IABSE Conference, Geneva 2015: Structural Engineering: Providing Solutions to Global Challenges - Report).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • The effect of uncertainty on the Prediction of building damage due to tunnelling-induced settlement

      Clarke, J. A., Moradabadi, E. & Laefer, D. F., 2015, Parameter Selection and Monitoring; Developments in Education and Practice. Smith, D. M., Winter, M. G., Eldred, P. J. L., Eldred, P. J. L., Winter, M. G. & Toll, D. G. (eds.). ICE Publishing, p. 4135-4141 7 p. (Geotechnical Engineering for Infrastructure and Development - Proceedings of the XVI European Conference on Soil Mechanics and Geotechnical Engineering, ECSMGE 2015; vol. 7).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Toward a new approach for massive LiDAR data processing

      Cao, V. H., Chu, K. X., Le-Khac, N. A., Kechadi, M. T., Laefer, D. & Truong-Hong, L., Oct 13 2015, ICSDM 2015 - Proceedings 2015 2nd IEEE International Conference on Spatial Data Mining and Geographical Knowledge Services. Chen, C., Guo, D. & Leung, Y. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 135-140 6 p. 7298040. (ICSDM 2015 - Proceedings 2015 2nd IEEE International Conference on Spatial Data Mining and Geographical Knowledge Services).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • 2014

      Application of terrestrial laser scanner in bridge inspection: Review and an opportunity

      Truong-Hong, L. & Laefer, D. F., 2014, Engineering for Progress, Nature and People. International Association for Bridge and Structural Engineering (IABSE), p. 2713-2720 8 p. (Engineering for Progress, Nature and People).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • Solutions for model-scale, tied-back anchors and sheet pile walls

      Laefer, D. F., 2014, Geo-Congress 2014 Technical Papers: Geo-Characterization and Modeling for Sustainability - Proceedings of the 2014 Congress. 234 GSP ed. American Society of Civil Engineers (ASCE), p. 2578-2587 10 p. (Geotechnical Special Publication; no. 234 GSP).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • 2013

      Planning infrastructure documentation with aerial laser scanning

      Laefer, D. F., 2013, Assessment, Upgrading and Refurbishment of Infrastructures. International Association for Bridge and Structural Engineering (IABSE), (Assessment, Upgrading and Refurbishment of Infrastructures).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • 2011

      America's research-active, geotechnical faculty members - An investigation of national science foundation funding trends

      Laefer, D. F., Akter, S. & McHale, C., 2011, Geo-Frontiers 2011: Advances in Geotechnical Engineering - Proceedings of the Geo-Frontiers 2011 Conference. 211 GSP ed. p. 2887-2896 10 p. (Geotechnical Special Publication; no. 211 GSP).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Quantitative support for a qualitative foundation reuse assessment tool

      Laefer, D. F., 2011, Geo-Frontiers 2011: Advances in Geotechnical Engineering - Proceedings of the Geo-Frontiers 2011 Conference. 211 GSP ed. p. 113-121 9 p. (Geotechnical Special Publication; no. 211 GSP).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Undergraduate research models applicable for geotechnics

      Laefer, D. F., 2011, Geo-Frontiers 2011: Advances in Geotechnical Engineering - Proceedings of the Geo-Frontiers 2011 Conference. 211 GSP ed. p. 2897-2906 10 p. (Geotechnical Special Publication; no. 211 GSP).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • 2010

      America's research-active, geotechnical faculty members - A snapshot of the community

      Laefer, D. F. & McHale, C., 2010, GeoFlorida 2010: Advances in Analysis, Modeling and Design - Proceedings of the GeoFlorida 2010 Conference. 199 ed. p. 3237-3246 10 p. (Geotechnical Special Publication; no. 199).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Assessment of excavation-induced building damage

      Cording, E. J., Long, J. L., Son, M., Laefer, D. & Ghahreman, B., 2010, Earth Retention Conference 3 - Proceedings of the 2010 Earth Retention Conference. 208 GSP ed. p. 101-120 20 p. (Geotechnical Special Publication; vol. 384, no. 208 GSP).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • Investigation of the rail-induced vibrations on a masonry historical building

      Erkal, A., Laefer, D., Fanning, P., Durukal, E., Hancilar, U. & Kaya, Y., 2010, Structural Analysis of Historic Constructions: Strengthening and Retrofitting. p. 569-574 6 p. (Advanced Materials Research; vol. 133-134).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • Predicted tunnel-induced settlement and damage to findlater's church with respect to freefield and constructed side considerations

      Murphy, J., Gaynor, S. & Laefer, D. F., 2010, GeoFlorida 2010: Advances in Analysis, Modeling and Design - Proceedings of the GeoFlorida 2010 Conference. 199 ed. p. 1690-1699 10 p. (Geotechnical Special Publication; no. 199).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • Soil nailing in glacial till: A design guide evaluation based on Irish and American field sites

      Joy, J., Flahavan, T. & Laefer, D. F., 2010, Earth Retention Conference 3 - Proceedings of the 2010 Earth Retention Conference. 208 GSP ed. p. 252-261 10 p. (Geotechnical Special Publication; vol. 384, no. 208 GSP).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • 2009

      Determining minimum data input levels for reliable three-dimensional soil profiling

      Laefer, D., O'Neill, J. & Williams, D., 2009, Contemporary Topics in In Situ Testing, Analysis, and Reliability of Foundations - Proceedings of Selected Sessions of the 2009 International Foundation Congress and Equipment Expo. 186 ed. ASCE - American Society of Civil Engineers, p. 324-331 8 p. (Geotechnical Special Publication; no. 186).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • 2008

      Performance expectations of early 20th century urban American building foundations

      Laefer, D., 2008, Proceedings of session of GeoCongress 2008 - GeoCongress 2008: Geosustainability and Geohazard Mitigation, GSP 178. 178 ed. p. 960-967 8 p. (Geotechnical Special Publication; no. 178).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Unexplained blasting vulnerabilities in a historic town

      Laefer, D. F., Loughlin, B., Hickey, S., O'Farrell, S. & O'Mahony, G., 2008, Structural Analysis of Historic Construction: Preserving Safety and Significance - Proceedings of the 6th International Conference on Structural Analysis of Historic Construction, SAHC08. p. 1207-1213 7 p. (Structural Analysis of Historic Construction: Preserving Safety and Significance - Proceedings of the 6th International Conference on Structural Analysis of Historic Construction, SAHC08; vol. 2).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • Viability assessment of terrestrial LiDAR for retaining wall monitoring

      Laefer, D. & Lennon, D., 2008, Proceedings of session of GeoCongress 2008 - GeoCongress 2008: Geosustainability and Geohazard Mitigation, GSP 178. 178 ed. p. 247-254 8 p. (Geotechnical Special Publication; no. 178).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

      Open Access
    • 2006

      Opportunities and impediments to the use of three-dimensional laser scanning for adjacent excavations

      Laefer, D. F., Carr, H., Morrish, S. & Kalkan, E., 2006, GeoCongress 2006: Geotechnical Engineering in the Information Technology Age. p. 78 1 p. (GeoCongress 2006: Geotechnical Engineering in the Information Technology Age; vol. 2006).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • 1994

      Prediction of low level vibration induced settlement

      Kim, D. S., Drabkin, S., Rokhvarger, A. & Laefer, D., 1994, Geotechnical Special Publication. Yeung, A. T. & Felio, G. Y. (eds.). 40 ed. Publ by ASCE, p. 806-817 12 p. (Geotechnical Special Publication; vol. 1, no. 40).

      Research output: Chapter in Book/Report/Conference proceedingConference contribution

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