Prakhar Ojha

Intelligent Systems Group
prakhar@csa.iisc.ernet.in

News and Activities


Research Interests

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

Education

MSc. Engg,   Dept. of Computer Science & Automation    
Indian Institute of Science
Thesis: Utilizing Worker Groups And Task Dependencies In Crowdsourcing

B.Tech,   Dept. of Computer Science Engineering    
National Institute of Technology Karnataka
Thesis: Reinforcement Learning based Schedulers

Publications

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


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, CMU;   Nov 2016;   Topic: Quality Estimation of Workers in Collaborative Tasks Using Group Tests.
  • Department, Computer Science & Automation, IISc;   Oct 2016;   Topic: MSc Colloquium series
  • HCOMP, Austin, TX;   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

Indian Institute of Science
IISc, Bangalore- 560012
Karnataka, India