Search Results for author: Maria Vlachou

Found 2 papers, 0 papers with code

What Else Would I Like? A User Simulator using Alternatives for Improved Evaluation of Fashion Conversational Recommendation Systems

no code implementations11 Jan 2024 Maria Vlachou, Craig Macdonald

Still, evaluating systems in offline settings with simulators suffers from problems, such as focusing entirely on a single target item (not addressing the exploratory nature of a recommender system), and exhibiting extreme patience (consistent feedback over a large number of turns).

Image Captioning Recommendation Systems

On Coherence-based Predictors for Dense Query Performance Prediction

no code implementations17 Oct 2023 Maria Vlachou, Craig Macdonald

Our approach introduces a new setting for obtaining richer information on query differences in dense QPP that can explain potential unstable performance of existing predictors and outlines the unique characteristics of different query types on dense retrieval models.

Retrieval

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