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News Article Retrieval in Context for Event-centric Narrative Creation
Writers such as journalists often use automatic tools to find relevant c...
06/30/2021 ∙ by Nikos Voskarides, et al. ∙
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Analysing Dense Passage Retrieval for Multi-hop Question Answering
We analyse the performance of passage retrieval models in the presence o...
06/15/2021 ∙ by Georgios Sidiropoulos, et al. ∙
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Leveraging Query Resolution and Reading Comprehension for Conversational Passage Retrieval
This paper describes the participation of UvA.ILPS group at the TREC CAs...
02/17/2021 ∙ by Svitlana Vakulenko, et al. ∙
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Supporting search engines with knowledge and context
Search engines leverage knowledge to improve information access. In orde...
02/12/2021 ∙ by Nikos Voskarides, et al. ∙
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MICROS: Mixed-Initiative ConveRsatiOnal Systems Workshop
The 1st edition of the workshop on Mixed-Initiative ConveRsatiOnal Syste...
01/25/2021 ∙ by Ida Mele, et al. ∙
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A Comparison of Question Rewriting Methods for Conversational Passage Retrieval
Conversational passage retrieval relies on question rewriting to modify ...
01/19/2021 ∙ by Svitlana Vakulenko, et al. ∙
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Analysing the Effect of Clarifying Questions on Document Ranking in Conversational Search
Recent research on conversational search highlights the importance of mi...
08/09/2020 ∙ by Antonios Minas Krasakis, et al. ∙
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A Comparison of Supervised Learning to Match Methods for Product Search
The vocabulary gap is a core challenge in information retrieval (IR). In...
07/20/2020 ∙ by Fatemeh Sarvi, et al. ∙
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Knowledge Graph Simple Question Answering for Unseen Domains
Knowledge graph simple question answering (KGSQA), in its standard form,...
05/25/2020 ∙ by Georgios Sidiropoulos, et al. ∙
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Query Resolution for Conversational Search with Limited Supervision
In this work we focus on multi-turn passage retrieval as a crucial compo...
05/24/2020 ∙ by Nikos Voskarides, et al. ∙
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Weakly-supervised Contextualization of Knowledge Graph Facts
Knowledge graphs (KGs) model facts about the world, they consist of node...
05/07/2018 ∙ by Nikos Voskarides, et al. ∙
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