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Lorenzo Valgimigli

Dottorando

Dipartimento di Informatica - Scienza e Ingegneria

Settore scientifico disciplinare: ING-INF/05 SISTEMI DI ELABORAZIONE DELLE INFORMAZIONI

Temi di ricerca

Parole chiave: Natural Language Processing Information Retrieval Neural Symbolic Integration

My main research topics are:

  • Natural Language Processing: how to work with large language models, how to exploit them in different sub-domain tasks as multi-document summarization, long-document summarization, information retrieval
  • Information Retrieval: I study novel solutions to apply IR pipelines to challenging domains (not labeled, low resources environment, dynamic dataset, ...).
  • Deep metric learning: my research in this direction investigates how to apply the SOTA metric functions soundly in a self-supervised manner.
  • Knowledge graph: I study how to use them in IR, particularly how to improve the representation of implicit or explicit interaction between items and expand query expressiveness.

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