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Eleazar Leal, Le Gruenwald and Jianting Zhang, "Parallel Processing of Top-K Trajectory Similarity Queries With GPGPUs", To appear in the International Journal of Big Data.

Nathalie Kaligirwa, Eleazar Leal, Le Gruenwald and Jianting Zhang, "Parallel Compression and Indexing for Large-Scale Geospatial Raster Data on GPGPUs", To appear in Proceedings of the 6th IEEE International Congress on Big Data, June 25 - June 30 2017, Honolulu, USA.

Chenxiao Wang, Florian Helff, Farah Kouiss, Jason Arenson, Le Gruenwald and Laurent d'Orazio, "Improving user interaction in mobile-cloud database query processing", Technical Report, University of Oklahoma, School of Computer Science, June 2017.

Chenxiao Wang, Florian Helff, Merrien Maxime P, Jason Arenson, Le Gruenwald and Laurent d'Orazio "Continuous Weighted-Sum based Multi-Objective Query Optimization on Mobile Cloud DataBase", Technical Report, University of Oklahoma, School of Computer Science, June 2017.

Jianting Zhang, Simin You, Le Gruenwald, "Towards GPU-Accelerated Web-GIS for Query-Driven Visual Exploration", Proceedings of the 15th International Symposium on Web and Wireless Geographical Information Systems (W2GIS'17), May 8-9, 2017, Shanghai, China.

Jianting Zhang, Simin You, Le Gruenwald, "Parallel Selectivity Estimation for Optimizing Multidimensional Spatial Join Processing on GPUs", Proceedings of the IEEE ICDE Workshop on Big Data Management on Emerging Hardware (HardBD'17), April 22, 2017, San Diego, USA.

Eleazar Leal, Le Gruenwald and Jianting Zhang, "Handling Uncertainty in Trajectories of Moving Objects in Unconstrained Outdoor Spaces", Proceedings of the 2016 IEEE International Big Data Conference, Dec 5 - Dec 8, 2016, Washington D.C., USA.

Simin You, Jianting Zhang, Le Gruenwald, "High-performance polyline intersection based spatial join on GPU-accelerated clusters", Proceedings of the ACM SIGSPATIAL Workshop on Analytics for Big Geospatial Data (BigSpatial'16), October 31, 2016, San Francisco, USA.

Eleazar Leal, Le Gruenwald, Jianting Zhang and Simin You, "Towards an Efficient Top-K Trajectory Similarity Query Processing Algorithm for Big Trajectory Data on GPGPUs", Proceedings of the 5th IEEE International Congress on Big Data, Jun 27-Jul 2 2016, San Francisco.

Liangzhe Li and Le Gruenwald, "An SLA and Operation Cost Aware Performance Re-Tuning Algorithm for Cloud Databases," Proceedings of the 9th IEEE International Conference on Cloud Computing, June 27- July 2 2016.

Florian Helff, Chenxiao Wang, Le Gruenwald and Laurent d'Orazio, "Interactive Multi-Objective Query Optimization in Mobile-Cloud Database Environments based on a Weighted Sum Model", Technical Report, University of Oklahoma, School of Computer Science, April 2016.

Florian Helff, Le Gruenwald and Laurent d'Orazio, "Weighted Sum Model for Multi-Objective Query Optimization for Mobile-Cloud Database Environments", 1st International Workshop on Multi-Engine Data AnaLytics (MEDAL 2016) in conjunction with the 19th International Conference on Extending Database Technology/Database Theory (EDBT/ICDT 2016), March 2016.

Jianting Zhang, Simin You and Le Gruenwald, "Efficient Parallel Zonal Statistics on Large-Scale Global Biodiversity Data on GPUs", Proceedings of 2015 ACM SIGSPATIAL International Workshop on Analytics for Big Geospatial Data, Nov 3, Seattle, USA.

Eleazar Leal, Le Gruenwald, Jianting Zhang and Simin You, "TKSimGPU: A Parallel Top-K Trajectory Similarity Query Processing Algorithm for GPGPUs", Proceedings of the 2015 IEEE International Big Data Conference, Oct 29-Nov 1 2015, Santa Clara, USA.

Jianting Zhang, Simin You and Le Gruenwald, "Quadtree-Based Lightweight Data Compression for Large-Scale Geospatial Rasters on Multi-Core CPUs", Proceedings of the 2015 IEEE International Big Data Conference, Oct 29-Nov 1 2015, Santa Clara, USA.

Jianting Zhang, Simin You and Le Gruenwald, "Spatial Join Query Processing in Cloud: Analyzing Design Choices and Performance Comparisons", Proceedings of High Performance Computing for Big Data Workshop (HPC4BD'15), colocated with the 44rd International Conference on Parallel Processing (ICPP), Sept 1-4, 2015.

Jianting Zhang, Simin You and Le Gruenwald, "High-Performance Partition-based and Broadcast-based Spatial Join on GPU-Accelerated Clusters", 2015.

Jianting Zhang, Simin You and Le Gruenwald, "A Lightweight Distributed Execution Engine for Large-Scale Spatial Join Query Processing", Proceedings of the 4th IEEE International Congress on Big Data, Jun 27-Jul 2 2015, New York, USA.

Jianting Zhang, Simin You and Le Gruenwald, "Tiny GPU Cluster for Big Spatial Data: A Preliminary Performance Evaluation", Proceedings of International Workshop on High-Performance Big Data Computing (HPBDC'15), Columbus, Ohio, USA, Monday, June 29th, 2015 (Co-located with the 35th IEEE International Conference on Distributed Computing Systems -ICDCS'15).

Jianting Zhang, Simin You and Le Gruenwald, "Large-Scale Spatial Join Query Processing in Cloud.", Proceedings of International Workshop on Cloud Data Management (CloudDM'15), Apr 13-17,2015, Seoul, Korea (Co-located with the 31st IEEE International Conference on Data Engineering - ICDE'15).

Jianting Zhang, Simin You and Le Gruenwald, "Scalable and Efficient Spatial Data Management on Multi-Core CPU and GPU Clusters: A Preliminary Implementation based on Impala", Proceedings of International Workshop on Big Data Management on Emerging Hardware (HardBD'15), Apr 13-17,2015, Seoul, Korea (Co-located with the 31st IEEE International Conference on Data Engineering - ICDE'15).

Jianting Zhang, Simin You and Le Gruenwald, " Large-Scale Spatial Data Processing on GPUs and GPU-Accelerated Clusters", ACM SIGSPATIAL Special, 6(3), pp. 27-34, 2014.

Jianting Zhang, Simin You and Le Gruenwald, "Data Parallel Quadtree Indexing and Spatial Query Processing of Complex Polygon Data on GPUs", Proceedings of the Fifth International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures (ADMS'14), Sept 1, 2014, Hangzhou, China (Co-located with the 40th International Conference on Very Large Data Bases - VLDB'14).

Nathalie Kaligirwa, Eleazar Leal, Le Gruenwald, Jianting Zhang and Simin You, " Parallel Quadtree Encoding of Large-Scale Raster Geospatial Data on GPGPUs ", Proceedings of ACM SIGSPATIAL BigSpatial'14 Workshop, Nov 5, 2014, Dallas, Texas, USA.

Jianting Zhang and Dali Wang, "High-Performance Zonal Histogramming on Large-Scale Geospatial Rasters Using GPUs and GPU-Accelerated Clusters ", Proceedings of IEEE Accelerators and Hybrid Exascale Systems, (AHES'14) workshop, May 19th, 2014, Phoenix, Arizona, USA.

Jianting Zhang, Simin You and Le Gruenwald, "Spatial Query Processing for Big Taxi Trip Data Using GPGPUs", IEEE BigData 2014, July 2014.01.005, 2014.

Jianting Zhang, Simin You and Le Gruenwald, "Parallel Online Spatial and Temporal Aggregations on Multi-core CPUs and Many-Core GPUs", Information Systems, DOI: 10.1016/j.is.2014.01.005, 2014.

Simin You, Jianting Zhang and Le Gruenwald, "Parallel Spatial Query Processing on GPUs Using R-Trees", 2nd ACM SIGSPATIAL International Workshop on Analytics for Big Spatial Data (BigSpatial-2013), November 2013.

Yahia Chabane, laurent d'Orazio, Le Gruenwald, Baraa Mohamad and Christophe Rey, "Medical Data Management in the SYSEO Project", ACM SIGMOD Record, Vol. 42, No. 3, September 2013.

Jianting Zhang and Le Gruenwald, "High-Performance Online Spatial and Temporal Aggregations on Multi-core CPUs and Many-Core GPUs," The ACM 15th International Workshop on Data Warehousing and OLAP (DOLAP 2012) co-located with ACM CIKM 2012, Maui, Hawaii, November 2012.

Jianting Zhang, Camille Kampa, Hongmian Gong, and Le Gruenwald, "U2SOD-DB: A Database System to Manage Large-Scale Ubiquitous Urban Sensing Origin-Destination Data," the ACM SIGKDD International Workshop on Urban Computing (UrbComp 2) - co-located with the ACM International Conference on Knowledge and Data Discovery (KDD 2012), Beijing, China, August 2012.

Baraa Mohammad, Laurent d'Orazio, and Gruenwald, "Towards a Hybrid Row-Column Database for a Cloud-Based Medical Data Management System," The 1st International Workshop on Cloud Intelligence (Cloud-I'12) - co-located with the 38th International Conference on Very Large Databases (VLDB 2012), Istanbul, Turkey, August 2012.

Jianting Zhang, Simin You, and Le Gruenwald, "U2STRA: High-Performance Data Management of Ubiquitous Urban Sensing Trajectories on GPGPUs," The ACM City Data Management Workshop-co-located with the ACM International Conference on Information and Knowledge Management (CIKM 2012), Maui, Hawaii, October 2012.

Jianting Zhang, Simin You and Le Gruenwald, "Parallel quadtree coding of large-scale raster geospatial data on GPGPUs," the 19th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems (GIS 2011), November 2011.

Sven Groppe, Jinghua Groppe, Niklas Klein, Ralf Battentrupp, Stefan Bottcher, and Le Gruenwald, "Transforming XSLT Stylesheets into XQuery Expressions and Vice Versa," Computer Languages, Systems & Structures Journal, Volume 37, Issue 2, July 2011.

Sylvain Guinepain and Le Gruenwald, "Using cluster computing to support automatic and dynamic database clustering", CLUSTER 2008, PP. 394-401.

Sourav S. Bhowmick, Le Gruenwald, Mizuho Iwaihara, and Somchai Chatvichienchai, "PRIVATE-IYE: A Framework for Privacy-Preserving Data Integration", IEEE International Workshop on Privacy Data Management, April 2006.

Sylvain Guinepain and Le Gruenwald, "Automatic Database Clustering Using Data Mining", DEXA Workshops 2006, pp. 124-128.

Mohamed T. Ibrahim, Richard John Anthony, Torsten Eymann, A. Taleb-Bendiab and Le Gruenwald:, "Exploring Adaptation & Self-Adaptation in Autonomic Computing Systems", DEXA Workshops 2006, pp. 129-138.

Sylvain Guinepain and Le Gruenwald, "Research Issues in Automatic Database Clustering", ACM SIGMOD RECORD, Vol. 34, No. 1, March 2005.

Mujiba Zaman, Jyotsna Surabattula and Le Gruenwald, "An Auto-Indexing Technique for Databases based on Clustering", International Workshop on Self Adaptive and Autonomic Computing Systems, September 2004, pp. 776-780.

Hermann Gruenwald and Le Gruenwald, "Cyber Cemeteries and Virtual Memorials", a chapter in Making Sense of Death edited by Gerry Cox, Robert A. Bendiksen and Robert G. Stevenson, Baywood Publishing Company, Inc, 2003, pp. 113-126.

Jerome Darmont, Christophe Fromantin, Stephane Regnier, Le Gruenwald and Michel Schneider, "Dynamic Clustering in Object-Oriented Databases: An Advocacy for Simplicity", Objects and Databases 2000, pp. 71-85.

L. Gruenwald et al., "Database Research at The University of Oklahoma", ACM SIGMOD Record, Volume 28, Number 3, September 1999. 

Czjedo, B. and L. Gruenwald, "Schema and Language Translation", Heterogeneous and Autonomous Database Systems, editors Marek Rusinkiewvic and  Amit Sheth, Morgan Kaufmann, October 1998, pp. 157-174.

Gopal, R., L. Fife, L. Gruenwald, and S. Mukkavilli, i>Comparison of Join Processing Algorithms in Multiprocessor Systems Mid-America Symposium on Emerging Computer Technologies, October 1996, pp. 81-85. 

Gruenwald, H. and L. Gruenwald, "Creativity Techniques in Engineering Education", The Proceeding of 1994 Annual Meeting American Society for Engineering Education - Gulf-Southwest Section, March 1994.

Badiru, A. and L. Gruenwald, "A New Approach to Database Search Based on Cantor Set", The 1993 International Conference on Computer Applications in Industry and Engineering, December 1993, pp. 195-199. 

Wei, H., L. Gruenwald, and A. Badiru, "Improving Cantor Set Search for Applications in Database and Artificial Intelligence", The 1993 Oklahoma Symposium on Artificial Intelligence, November 1993, pp. 250-259. 

Chang, P. and L. Gruenwald, "Teaching Object-Oriented Paradigm in a Computer Science Graduate Program", The Computers in Education Conference (ASEE '93), June 1993, pp. 383-390.

Czejdo, B. and L. Gruenwald, "Integration of Database Query Applications Using an Object-Oriented Approach", The ETCE Symposium on Computers in Engineering, January 1993, pp. 57-67. 

Badiru, A., L. Gruenwald, and T. Trafalis, "A New Search Technique for Artificial Intelligence Systems", The 6th Oklahoma Symposium on Artificial Intelligence, November 1992, pp. 91-96 

Gruenwald, H. and L. Gruenwald, "Marketing Changes in Continuing Education in Engineering", The AAACE - Post Conference Proceedings, November 1992, pp. 31-35. 

Gruenwald, L., "A Computer Assisted Instruction System to Teach the FORTRAN Language", Master's Thesis, University of Houston - University Park, December 1983.

 

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