| Category | Number of Conference Papers |
|---|
| Environmental Engineering and Science in Civil Engineering | 228 |
| Electromagnetics | 214 |
| Networking | 124 |
| Databases and Information Systems | 96 |
| Biochemical and Biomedical Engineering | 94 |
| Control Systems | 93 |
| Transportation Facilities and Systems | 92 |
| Signal and Image Processing | 79 |
| Energy Systems and Thermodynamics | 79 |
| Communications | 74 |
| Decision and Control | 72 |
| Materials | 70 |
| Structural Engineering and Structural Dynamics | 69 |
| Bioengineering | 68 |
| Digital Signal and Imaging Processing | 67 |
| Bioenvironmental Engineering | 65 |
| Power and Energy Systems | 65 |
| Artificial Intelligence: Machine Learning, Vision, and Robotics | 63 |
| Nano-, Micro-, and Meso-Technology | 61 |
| Combustion and Propulsion | 60 |
| Reliable and High-Performance Computing | 60 |
| None | 59 |
| Semiconductors | 57 |
| Materials Processing | 56 |
| Fluid Dynamics | 53 |
| Materials and Structures | 53 |
| Programming Languages, Formal Systems, and Software Engineering | 52 |
| Advanced Automation | 51 |
| Computer Architecture and Compilers | 49 |
| Environmental Hydrology and Hydraulic Engineering | 48 |
| Experimental Condensed Matter Physics | 46 |
| Nuclear Fusion | 46 |
| Materials Behavior | 45 |
| Off-Road Equipment Engineering | 45 |
| Magnetic Resonance | 44 |
| Aerodynamics | 43 |
| Circuits | 42 |
| Structural Mechanics | 38 |
| Systems and Control | 37 |
| Semiconductor Physics | 36 |
| Analog and Digital Circuits | 36 |
| Graphics and Visualization | 34 |
| Automotive Systems | 33 |
| Genetic and Evolutionary Computation | 33 |
| Food and Bioprocess Engineering | 32 |
| Geotechnical Engineering | 31 |
| Low-Energy Nuclear Reactions | 31 |
| Construction Management | 30 |
| Computational Fluid Dynamics | 29 |
| Microchemical, Microfluidic, and Nanochemical Systems | 29 |
| Heat Transfer | 28 |
| Algorithms and Theory | 28 |
| Dynamic Systems | 28 |
| Optimization and Process Systems Engineering | 28 |
| Nuclear Materials, Materials Science and Performance, Radiation Effects, and Waste Management | 27 |
| Real-Time and Embedded Systems | 27 |
| Bioacoustics | 27 |
| Parallel Processing | 26 |
| Manufacturing Systems | 26 |
| Mechanics of Fluids | 25 |
| Optical Imaging | 25 |
| Structural Dynamics | 24 |
| Theoretical Condensed Matter Physics | 24 |
| Soil and Water Resources | 23 |
| Structural Engineering and Structural Mechanics | 23 |
| Operating Systems and Security | 22 |
| Astrodynamics | 20 |
| Earthquake Engineering | 20 |
| Nuclear Power, Operations, and Control | 20 |
| Space Propulsion and Power Systems | 20 |
| Behavior of Engineering Materials | 20 |
| Theoretical Particle Physics | 19 |
| Semiconductor Lasers | 19 |
| Water Quality | 18 |
| Experimental Nuclear Physics | 18 |
| Structural Mechanics and Dynamics | 18 |
| Microchemical, Microfluidic and Nanochemical Systems | 17 |
| Thermal Hydraulics and Reactor Safety | 17 |
| Agricultural Safety | 17 |
| Site-Specific Agriculture | 17 |
| Construction Materials | 16 |
| Mechatronics | 16 |
| Processing | 15 |
| Operations Research | 15 |
| Lasers | 14 |
| Computational Mechanics | 14 |
| Remote Sensing | 13 |
| Experimental Particle Physics | 13 |
| Human Factors and Ergonomics | 12 |
| Agricultural Infotronic Systems | 12 |
| Propulsion | 12 |
| Advanced Processing and Circuits | 11 |
| Structural Engineering and Design | 11 |
| Remote Sensing and Wave Propagation | 11 |
| Engineering Education | 11 |
| Theoretical Astrophysics | 11 |
| Grain Qualities and Properties | 11 |
| HumanComputer Interfaces | 11 |
| Electromagnetic Communication and Electronics Packaging | 11 |
| Propulsion and Combustion | 10 |
| Architecture and Systems | 10 |
| Atomic, Molecular, and Optical Physics | 10 |
| Applied Plasma Physics | 10 |
| Tunneling Microscopy | 10 |
| Nano-, Micro-, and Meso-technology | 10 |
| Thin-Film Electronics | 9 |
| Supercomputing Research and Development | 9 |
| Nanoscience and Technology | 9 |
| Biomaterials | 9 |
| Biomolecular and Biological Physics | 9 |
| Robotics | 9 |
| Distributed Operating Systems | 8 |
| Optoelectronics | 8 |
| Human Factors | 8 |
| Transportation Systems | 8 |
| Scientific Computing | 8 |
| Soft Materials | 8 |
| Dynamical Systems | 8 |
| Theoretical Nuclear Physics | 7 |
| Fluid Flow, Heat, and Mass Transfer Fundamentals | 7 |
| Aeronomy | 7 |
| Design Methodology and Tribology | 7 |
| Environmental Design and Manufacturing | 7 |
| System Safety, Reliability, and Design | 6 |
| Optical and Discharge Physics | 6 |
| Design Theory and Methodology | 6 |
| High Frequency Devices | 6 |
| Real-Time Systems | 6 |
| Computational Science and Engineering | 5 |
| Multiscale Systems | 5 |
| Experimental Biological Physics | 5 |
| Phase Transformation and Microcharacterization | 5 |
| Compilers | 5 |
| Artificial Intelligence | 5 |
| Numerical and Scientific Computing | 5 |
| Ceramic Corrosion | 5 |
| Mechanical Behavior of Solids | 5 |
| Engineering Mechanics | 5 |
| Microelectromechanical Systems (mems) | 5 |
| Engineering Mechanics and Materials | 4 |
| Integrated Mechanical and Structural Design | 4 |
| Advanced Technology Management | 4 |
| Nonlinear Controls | 4 |
| Product Development | 4 |
| Thin Films and Charged Particles | 4 |
| Optical Physics and Engineering | 4 |
| Biomedical Magnetic Resonance | 4 |
| Geotech/Information Technology | 3 |
| Aerospace Vehicle Flight Simulation | 3 |
| Applied Computation Theory | 3 |
| Polymers | 3 |
| Two-Phase Flow | 3 |
| Communications Networks | 3 |
| Information Agriculture and Infotronics | 3 |
| Electrical Ceramics | 3 |
| Ceramic Synthesis and Processing | 3 |
| Solid State Devices | 2 |
| Instrumentation and Control | 2 |
| Variable-Rate Technologies | 2 |
| Computing | 2 |
| Computer Graphics | 2 |
| Security | 2 |
| Applied Mathematics | 2 |
| High-Frequency Devices | 2 |
| Computer Engineering | 2 |
| Mechanics of Solids | 2 |
| Dynamics, Vibrations, and Waves | 2 |
| Materials Chemistry | 2 |
| Neural Engineering | 2 |
| Design Methodolgy and Tribology | 2 |
| Arms Control, Disarmament, and International Security | 2 |
| Railroad Engineering | 2 |
| Combustion | 2 |
