Department of Computer Science

University of Illinois at Urbana–Champaign

Prakhar Ojha

Graduate Doctoral Student
Data and Information Systems Group
pojha2@illinois.edu

News and Activities


Research Interests

Machine Learning: Inference, Knowledge Graphs, Knowledge Representation
Crowdsourcing: Collaborative tasks, Team formation
Applications: Question Answering, Network analysis

Education

Ph.D.,   Dept. of Computer Science     Aug 2017 - Present
University of Illinois at Urbana–Champaign, UIUC
Research Group: Data and Information Systems

MSc. Engg,   Dept. of Computer Science & Automation     Aug 2014 - Dec 2016
Indian Institute of Science, IISc Bangalore
Advisor: Prof. Partha Talukdar
Thesis: Utilizing Worker Groups And Task Dependencies In Crowdsourcing

B.Tech,   Dept. of Computer Science Engineering     Jul 2010 - May 2014
National Institute of Technology Karnataka, NITK Surathkal
Advisor: Prof. Vani M
Thesis: Reinforcement Learning based Schedulers

Publications

  1. Prakhar Ojha, and Partha Talukdar. Estimating Accuracy of Automatically Constructed Knowledge Graphs. International Conference on Empirical Methods in Natural Language Processing (EMNLP) 2017, Cohenhagen, Denmark. [paper] [bibtex]
  2. Prakhar Ojha, and Partha Talukdar. Quality Estimation of Workers in Collaborative Crowdsourcing Using Group Testing. The Fourth AAAI Conference on Human Computation and Crowdsourcing (HCOMP) 2016, Austin, TX. [paper] [bibtex]
  3. Prakhar Ojha, Siddhartha R Thota, Vani M, Mohit P Tahilliani. Learning Scheduler Parameters for Adaptive Preemption. International Conference on Advanced Information Technologies and Applications (ICAITA) 2015, Dubai. [paper] [bibtex]


Awards

  • Best Poster Award at IBM Collaborative Academia Research Exchange Conference I-CARE 2016, IBM Research.
  • Microsoft Research Travel Grant to attend HCOMP-16, Thanks Micrsoft!.
  • Best Poster Award at Joint Research Students Symposium of Electrical Division EECS-2016, IISc.

Talks

  • Databases (DB) seminar series, SCS, CMU;   Nov 2016;   Topic: Utilizing Worker Groups And Task Dependencies In Crowdsourcing.
  • Business Technology (BT) seminar series, Tepper, CMU;   Nov 2016;   Topic: Quality Estimation of Workers in Collaborative Tasks Using Group Tests.
  • Department Colloquium series, Computer Science & Automation, IISc;   Oct 2016;   Topic: MSc Colloquium series
  • Conference HCOMP 2016, Austin, Texas;   Nov 2016;   Topic: Quality Estimation of Workers in Collaborative Tasks Using Group Tests.
  • Undergraduate Summer School, CSA, IISc;   Jul 2016;   Topic: Inference in Large Knowledge Graphs.

Contact

Room 2113A, Thomas Siebel Center for CS
University of Illinois at Urbana-Champaign
201 North Goodwin Avenue
Urbana, IL 61801-2302