Database Research Laboratory

at 446 Russ Center


Director: Soon M. Chung

Dept. of Computer Science and Engineering

Wright State University

Dayton, Ohio 45435

937-775-5119 (voice)

937-775-5133 (fax)

soon.chung [at] wright [dot] edu




Major Research Topics


      Anomaly detection in time series data

      Clustering and visualization of geotagged text data stream

      Semantic privacy-preserving access control

      Human activity recognition from 3D point cloud patches

      Text mining

      Transactional memories

      Parallel/distributed data mining

      Data Grid system





Recent Research Projects


      Anomaly Detection in Time Series Data with Multiple Seasonal Trends

      Resource Description Framework (RDF) Data Modeling and Management by Using Database Technologies

      Clustering and Visualization of Geotagged Text Data for Crisis Management

      Detection and Segmentation of Dynamic Human Signatures from Clustered LlDAR Streams. AFRL/DAGSI.

      Visualization and Fusion of Big Data. AFRL/DAGSI.

      Intelligent Model Assisted Sensing System for Fast and Accurate Nuclear Material

Interrogation. Domestic Nuclear Detection Office (DNDO) and NSF/Purdue University

      Service-oriented integration of distributed biomechanical engineering resources.


      Large integrated database for epidemiological studies. AFRL/DAGSI.

      Work-centered software system. AFRL/DAGSI.

      Development of parallel data mining algorithms for text and formatted databases. 

AFRL/Wright Brothers Institute (WBI).

      Development of a parallel text data mining system.  LexisNexis.

      Parallel data mining on a cluster of workstations.  Ohio Board of Regents (OBR).

      Teradata Warehouse system.  Teradata.



   Lab Members


      Nathaniel Crossman, Ph.D. student

      Iyad Milhem, Ph.D. student

      Abubakur Sait, Ph.D. student

      Jaclyn Taylor, M.S. student

      Gopi Raju Rajolu



Recent Graduates


      Ashton Williams, M.S., 2023

      Nathaniel Crossman, M.S., 2020

      Ryan Sperl, M.S., 2020

      Sydney Barnard, M.S., 2018

      Andrew Mocniak, M.S., 2016

      Huaining Cheng, Ph.D., 2015

      Sang Mork Park, Ph.D., 2010

      Vineela Muppavarapu, Ph.D., 2009

      Yanjun Li, Ph.D. 2007

      Marwan Maarouf, Ph.D. 2007

      Anil Pereira, Ph.D. 2007

      Eric Master, M.S., 2007

      James Knapp, M.S., 2006

      Congnan Luo, Ph.D. 2006