Helia Hashemi

Hello! I'm Helia Hashemi, a Ph.D. student working with W. Bruce Croft in the Center for Intelligent Information Retrieval (CIIR) at the University of Massachusetts Amherst, and a Bloomberg Ph.D. Fellow. In a broad sense, my research interests lie in the areas of Information Retrieval (IR), Natural Language Processing, and Machine Learning. So far, I have worked on multiple IR tasks, such as non-factoid question answering, performance prediction, and podcast search. More recently, my research is focused on conversational information seeking and neural representation learning for IR. Essentially, I aim at helping people find the information they need through the most natural way of communication.

Email: hhashemi@cs.umass.edu


  • [Aug, 2021]     I will join Google as a Research Intern to work on conversational systems for Google Assistant!!
  • [Aug, 2021]     I have received the Bloomberg's Ph.D. Fellowship!
  • [Jun, 2021]     Our proposal is selected for Amazon Alexa Prize Challenge 2021! Check out the UMass CICS news
  • [Mar, 2020]     I will do a summer research internship at Spotify Research!
  • [Oct, 2019]     Our paper, Performance Prediction for Non-Factoid Question Answering, won the Best Short Paper Honorable Mention Award at ICTIR 2019!
  • [Oct, 2019]     Check out the UMass CICS news on our dataset, ANTIQUE!
  • [Jul, 2019]     TensorFlow-Ranking package used our dataset, ANTIQUE! Find the tf-records here .
  • [Feb, 2018]     I joined CIIR to work with W. Bruce Croft!


Learning Multiple Intent Representations for Search Queries.
H. Hashemi, H. Zamani, and W. B. Croft.
CIKM 2021

Passage Similarity and Diversification in Non-factoid Question Answering.
L. Vikraman, A. Montazeralghaem, H. Hashemi, W. B. Croft, and J. Allan.
ICTIR 2021

Neural Instant Search for Music and Podcast.
H. Hashemi, A. Pappu, M. Tian, P. Chandar, M. Lalmas, and B. Carterette.
KDD 2021

Current Challenges and Future Directions in Podcast Information Access.
R. Jones, H. Zamani, M. Schedl, C. Chen, S. Reddy, A. Clifton, J. Karlgren, H. Hashemi, A. Pappu, Z. Nazari, L. Yang, O. Semerci, H. Bouchard, and B. Carterette.

SIGIR 2021

Guided Transformer: Leveraging Multiple External Sources for Representation Learning in Conversational Search.
H. Hashemi, H. Zamani, and W. B. Croft.
SIGIR 2020

ANTIQUE: A Non-Factoid Question Answering Benchmark.
H. Hashemi, M. Aliannejadi, H. Zamani, and W. B. Croft.
ECIR 2020

UMass at the TREC 2019 Conversational Assistance Track.
H. Hashemi and W. B. Croft.
TREC 2019

Performance Prediction for Non-Factoid Question Answering.
H. Hashemi, H. Zamani, and W. B. Croft.
ICTIR 2019, Best Short Paper Honorable Mention Award.

Academic Services

  1. Program Committee Member for SIGIR 2021, CIKM 2021, ECIR 2021, ECIR 2020, and MICROS Workshop @ ECIR 2021.
  2. Reviewer for ECIR 2019.