Innovative Database and Information Systems Research Laboratory

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IDIR Lab
IDIR logo
URL http://idir.uta.edu
Research Areas Big Data and Data Science
Mission Building large-scale human-assisting and human-assisted data and information systems with high usability, low cost and applications for social good.
Research Topics computational journalism, crowdsourcing and human computation, data exploration by ranking (top-k), skyline and preference queries, database testing, entity query, usability challenges in querying graph data
Research Projects
Director Chengkai Li
Current Students Ph.D. : Fatma Arslan, Sona Hasani, Naeemul Hassan, Nandish Jayaram, Afroza Sultana, Gensheng Zhang
M.S. : Rohit Bhoopalam, Tulsi Chandwani, Nigesh Shakya, Abu Ayub Ansari Syed, Ishwor Timilsina
B.S. : Josue Caraballo, Damian Jimenez
Phone 817-272-0162
Address Room 514
Engineering Research Building (ERB)
Department of Computer Science and Engineering
The University of Texas at Arlington
500 UTA Boulevard
Arlington, TX 76019-0015


The IDIR Lab in the CSE Department of UT Arlington conducts research in several areas related to big data and data science, including database, data mining, Web data management, and information retrieval. Its current research focuses on building large-scale human-assisting and human-assisted data and information systems with high usability, low cost and applications for social good. In particular, the IDIR lab is working on computational journalism, crowdsourcing and human computation, data exploration by ranking (top-k), skyline and preference queries, database testing, entity query, and usability challenges in querying graph data.

  • [April 21, 2016] Congratulations to Rohit Bhoopalam on successfully defending his M.S. thesis Comparison of Machine Learning Algorithms in Suggesting Candidate Edges to Construct a Query on Heterogeneous Graphs.
  • [April 20, 2016] Naeemul Hassan represented the ClaimBuster team to attend the demo day of the Knight Prototype Fund April 18-20 in Miami.
  • [April 20, 2016] Dr. Jun Yang from Duke University visited the IDIR group and gave a talk in the CSE colloquium on Cumulon: Simplifying Matrix-Based Data Analytics in the Cloud.
  • [April 6, 2016] Congratulations to Ning Yan (graduated Ph.D. student), Sona Hasani and Abolfazl Asudeh on the acceptance of SIGMOD 2016 paper Generating Preview Tables for Entity Graphs. Ning Yan, Sona Hasani, Abolfazl Asudeh, Chengkai Li.
  • [April 1, 2016] Naeemul Hassan attended the Tech & Check conference and presented a demo of ClaimBuster. The conference was held March 31 to April 1 at Duke University in Durham, North Carolina. It was hosted by Poynter’s International Fact-Checking Network and the Duke Reporters’ Lab. It was the first conference to explore the promise and challenges of automated fact-checking.
  • [March 23, 2016] Congratulations to Naeemul Hassan on the President's Award for Graduate Poster Presentation at UTA's annual ACES competition.
  • [March 10, 2016] Professor Bill Adair from Duke University visited UTA and gave a talk on The Truth-O-Meter, Pants on Fire, and the Quest to Automate Fact-Checking.
  • [February 12, 2016] Congratulations to Nandish Jayaram on successfully defending his Ph.D. dissertation Towards Better Usability of Query Systems for Massive Ultra-Heterogeneous Graphs: Novel Approaches of Query Formulation and Query Specification.
  • [February 9, 2016] Dr. Chengkai Li visited NC State University and gave a talk on Tackling Usability Challenges in Querying Massive, Ultra-heterogeneous Graphs.
  • [February 8, 2016] Dr. Chengkai Li visited Duke University and gave a talk on ClaimBuster: The Quest to Automate Fact-Checking.
  • [December 15, 2015] Congratulations to Naeemul Hassan and Gensheng Zhang for successfully completed the National Science Foundation's Innovation Corps (I-Corps) program.
  • [December 14, 2015] Congratulations to Naeemul Hassan on winning UTA's Spring 2016 Dissertation Fellowship.
  • [November 24, 2015] Congratulations to Fatma Dogan on the successful defense of her M.S. thesis Detecting Real-time Check-worthy Factual Claims in Tweets Related to U.S. Politics.
  • [November 20, 2015] Congratulations to Minumol Joseph on the successful defense of her M.S. thesis Speaker Identification in Live Events Using Twitter.
  • [November 3, 2015] The ClaimBuster team is awarded a $35,000 Knight Prototype Fund for developing ClaimBuster, a machine-learning tool that helps journalists fact-check claims made by politicians in real-time by identifying claims that are likely important to the public. This is a joint project with Mark Tremayne (UTA Department of Communication), Bill Adair and Jun Yang (Duke) and Cong Yu (Google).
  • [October 26, 2015] The ClaimBuster team started their journey in the NSF I-Corps Teams program by attending the kickoff workshop in Los Angeles. The grant trains students and academics in commercializing technology coming out of NSF-funded research. The team's goal is to clearly identify target customers and their needs, which will enable the team to prepare a viable commercialization plan and further develop necessary components for deploying their technology. The team members are Chengkai Li (Principal Investigator), Naeemul Hassan (Entrepreneurial Lead, IDIR Ph.D. student), Gensheng Zhang (Entrepreneurial Lead, IDIR Ph.D. student), and Harold Strong (Mentor).
  • [October 13, 2015] Dr. Chengkai Li gave invited talks on Enabling Computational Journalism: Automated Fact-Checking and Story-Finding in Shandong University and Nanjing University of China, on October 9th and October 13th, respectively. Talk slides
  • [June 10, 2015] Dr. Chengkai Li gave an invited talk on Data Science for Computational Journalism in the IEEE Computer Society and Computational Intelligence Society Joint Meeting.
  • [April 29, 2015] The IDIR group (Dr. Chengkai Li, Naeemul Hassan, Nandish Jayaram) visited the Dallas Morning News. Ph.D. student Naeemul Hassan made a presentation on the computational journalism project at IDIR.
  • [September 12, 2014] The Innovative Database and Information Systems Research (IDIR) Lab invites all faculty and students to its open house. The activity will take place in ERB514 on Friday (Sept. 12th) 12pm-3pm. Read more...
  • [September 3, 2014] Congratulations to our team for winning an Excellent Demonstration Award in the 40th International Conference on Very Large Data Bases (VLDB). Read more...
  • [September 1, 2014] Dr. Chengkai Li participated in a panel discussion in the First International Workshop on Bringing the Value of "Big Data" to Users, held in conjunction with VLDB14, Hangzhou, China.
  • [August 18, 2014] Congratulations to Naeemul Hassan, Huadong Feng and Ramesh Venkataraman on the acceptance of CKIM14 demo paper "Anything You Can Do, I Can Do Better: Finding Expert Teams by CrewScout". Read more...
  • [August 5, 2014] We are grateful to the National Science Foundation (NSF) for funding our project on perturbation analysis of database queries, which is studied in the broader context of our computational journalism project. Read more...

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