Search Results for author: Aleksandr V. Petrov

Found 3 papers, 1 papers with code

Shallow Cross-Encoders for Low-Latency Retrieval

1 code implementation29 Mar 2024 Aleksandr V. Petrov, Sean MacAvaney, Craig Macdonald

However, Cross-Encoders based on large transformer models (such as BERT or T5) are computationally expensive and allow for scoring only a small number of documents within a reasonably small latency window.

Passage Ranking Retrieval +1

RecJPQ: Training Large-Catalogue Sequential Recommenders

no code implementations11 Dec 2023 Aleksandr V. Petrov, Craig Macdonald

Sequential Recommendation is a popular recommendation task that uses the order of user-item interaction to model evolving users' interests and sequential patterns in their behaviour.

Passage Retrieval Retrieval +1

Generative Sequential Recommendation with GPTRec

no code implementations19 Jun 2023 Aleksandr V. Petrov, Craig Macdonald

This paper presents the GPTRec sequential recommendation model, which is based on the GPT-2 architecture.

Sequential Recommendation

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