Search Results for author: Helia Hashemi

Found 4 papers, 1 papers with code

Dense Retrieval Adaptation using Target Domain Description

no code implementations6 Jul 2023 Helia Hashemi, Yong Zhuang, Sachith Sri Ram Kothur, Srivas Prasad, Edgar Meij, W. Bruce Croft

In information retrieval (IR), domain adaptation is the process of adapting a retrieval model to a new domain whose data distribution is different from the source domain.

Information Retrieval Retrieval +1

Current Challenges and Future Directions in Podcast Information Access

no code implementations17 Jun 2021 Rosie Jones, Hamed Zamani, Markus Schedl, Ching-Wei Chen, Sravana Reddy, Ann Clifton, Jussi Karlgren, Helia Hashemi, Aasish Pappu, Zahra Nazari, Longqi Yang, Oguz Semerci, Hugues Bouchard, Ben Carterette

Podcasts are spoken documents across a wide-range of genres and styles, with growing listenership across the world, and a rapidly lowering barrier to entry for both listeners and creators.

Guided Transformer: Leveraging Multiple External Sources for Representation Learning in Conversational Search

no code implementations13 Jun 2020 Helia Hashemi, Hamed Zamani, W. Bruce Croft

Asking clarifying questions in response to ambiguous or faceted queries has been recognized as a useful technique for various information retrieval systems, especially conversational search systems with limited bandwidth interfaces.

Conversational Search Information Retrieval +3

ANTIQUE: A Non-Factoid Question Answering Benchmark

1 code implementation22 May 2019 Helia Hashemi, Mohammad Aliannejadi, Hamed Zamani, W. Bruce Croft

Despite the importance of the task, the community still feels the significant lack of large-scale non-factoid question answering collections with real questions and comprehensive relevance judgments.

Community Question Answering Passage Retrieval +1

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