Gabriella Pasi

A language modeling approach for the recommendation of tourism-related services

2017

In a ubiquitous scenario, people are typically confronted with context evolution and changing influences. This may create new needs and may condition the user perception of what is relevant information. Over the years, different approaches …

Evaluation of Personalised Information Retrieval at CLEF 2017 (PIR-CLEF): Towards a Reproducible Evaluation Framework for PIR.

2017 · BOA (University of Milano-Bicocca)

The Personalised Information Retrieval (PIR-CLEF) Lab workshop at CLEF 2017 is designed to provide a forum for the exploration of methodologies for the repeatable evaluation of personalised information retrieval (PIR). The PIR-CLEF 2017 Lab provides …

Personalized Query Expansion with Contextual Word Embeddings

2023 · ACM Transactions on Information Systems

Personalized Query Expansion, the task of expanding queries with additional terms extracted from the user-related vocabulary, is a well-known solution to improve the retrieval performance of a system w.r.t. short queries. Recent approaches rely on …

Mixture of Experts Approaches in Dense Retrieval Tasks

2025 · arXiv (Cornell University)

Dense Retrieval Models (DRMs) are a prominent development in Information Retrieval (IR). A key challenge with these neural Transformer-based models is that they often struggle to generalize beyond the specific tasks and domains they were …

Recommender Systems Leveraging Multimedia Content

2020 · ACM Computing Surveys

Recommender systems have become a popular and effective means to manage the ever-increasing amount of multimedia content available today and to help users discover interesting new items. Today’s recommender systems suggest items of various media …