170 citations · 981 across the 54 of their papers we have counts for
6 papers · 1 filter
Focusing on Context is NICE: Improving Overshadowed Entity Disambiguation
Vera Provatorova, Simone Tedeschi, Svitlana Vakulenko +2
Entity disambiguation (ED) is the task of mapping an ambiguous entity mention to the corresponding entry in a structured knowledge base. Previous research showed that entity oversh…
On the Impact of Speech Recognition Errors in Passage Retrieval for Spoken Question Answering
Georgios Sidiropoulos, Svitlana Vakulenko, Evangelos Kanoulas
Interacting with a speech interface to query a Question Answering (QA) system is becoming increasingly popular. Typically, QA systems rely on passage retrieval to select candidate…
Analysing the Robustness of Dual Encoders for Dense Retrieval Against Misspellings
Georgios Sidiropoulos, Evangelos Kanoulas
Dense retrieval is becoming one of the standard approaches for document and passage ranking. The dual-encoder architecture is widely adopted for scoring question-passage pairs due…
Zero-shot Query Contextualization for Conversational Search
Antonios Minas Krasakis, Andrew Yates, Evangelos Kanoulas
Current conversational passage retrieval systems cast conversational search into ad-hoc search by using an intermediate query resolution step that places the user's question in con…
Parameter-Efficient Abstractive Question Answering over Tables or Text
Vaishali Pal, Evangelos Kanoulas, Maarten de Rijke
A long-term ambition of information seeking QA systems is to reason over multi-modal contexts and generate natural answers to user queries. Today, memory intensive pre-trained lang…
Towards Building Economic Models of Conversational Search
Leif Azzopardi, Mohammad Aliannejadi, Evangelos Kanoulas
Various conceptual and descriptive models of conversational search have been proposed in the literature -- while useful, they do not provide insights into how interaction between t…