Research Areas
Big Data & Data Science
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.
Building large-scale human-assisting and human-assisted data and information systems with high usability, low cost and applications for social good.
Chengkai Li
Current Students
Ph.D. : Farahnaz Akrami, 201-729-0781, Israa Jaradat, 419-655-8962, Shadekur Rahman, Samiul Saeef, 4782377802, Theodora Toutountzi, Zeyu Zhang
M.S. : (760) 617-6848, 7636756626, Sarthak Majithia, 614-505-5905, Sarbajit Roy, Ankit Shingavi
B.S. : Sameer Chaulagain, domine, Jacob Devasier
DEMANDATA: Computational Journalism Graph4U: Tackling Usability Challenges in Querying and Exploring Entity Graphs (757) 880-5257: Entity-Centric Querying and Exploration of Web Data
  • ERQ: entity-relationship query on Wikipedia demo
  • Facetedpedia: faceted search interface for Wikipedia demo
CrewScout: Expert Team Finding by Skyline Groups (802) 247-8269 video
RankSQL: Database Engine Extended with Top-k Query Algorithms and Query Optimization source code


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Engineering Research Building (ERB), Room 414
Arlington, TX 76019-0015

Tel: 817-272-0162