1 code implementation • 4 Mar 2024 • Ivan Sekulić, Krisztian Balog, Fabio Crestani
One approach expands answers with inline definitions of salient entities, making the answer self-contained.
no code implementations • 20 Feb 2024 • Ivan Sekulić, Silvia Terragni, Victor Guimarães, Nghia Khau, Bruna Guedes, Modestas Filipavicius, André Ferreira Manso, Roland Mathis
Notably, we have observed that fine-tuning enhances the simulator's coherence with user goals, effectively mitigating hallucinations -- a major source of inconsistencies in simulator responses.
no code implementations • 21 Jan 2024 • Ivan Sekulić, Weronika Łajewska, Krisztian Balog, Fabio Crestani
While the body of research directed towards constructing and generating clarifying questions in mixed-initiative conversational search systems is vast, research aimed at processing and comprehending users' answers to such questions is scarce.
no code implementations • 9 Jan 2024 • Oleg Litvinov, Ivan Sekulić, Mohammad Aliannejadi, Fabio Crestani
Clarifying user's information needs is an essential component of modern search systems.
1 code implementation • 26 Apr 2023 • Paul Owoicho, Ivan Sekulić, Mohammad Aliannejadi, Jeffrey Dalton, Fabio Crestani
To this end, we propose a user simulator-based framework for multi-turn interactions with a variety of mixed-initiative CS systems.
1 code implementation • 17 Apr 2022 • Ivan Sekulić, Mohammad Aliannejadi, Fabio Crestani
Clarifying the underlying user information need by asking clarifying questions is an important feature of modern conversational search system.
1 code implementation • 8 Feb 2021 • Ivan Sekulić, Mohammad Aliannejadi, Fabio Crestani
Prompting the user for clarification in a search session can be very beneficial to the system as the user's explicit feedback helps the system improve retrieval massively.
1 code implementation • 20 Sep 2020 • Ivan Sekulić, Amir Soleimani, Mohammad Aliannejadi, Fabio Crestani
Two step document ranking, where the initial retrieval is done by a classical information retrieval method, followed by neural re-ranking model, is the new standard.
2 code implementations • ACL 2020 • Guoshun Nan, Zhijiang Guo, Ivan Sekulić, Wei Lu
Document-level relation extraction requires integrating information within and across multiple sentences of a document and capturing complex interactions between inter-sentence entities.
Ranked #9 on Relation Extraction on GDA
no code implementations • WS 2019 • Ivan Sekulić, Michael Strube
Mental health poses a significant challenge for an individual's well-being.
no code implementations • 12 Nov 2018 • Ivan Sekulić, Matej Gjurković, Jan Šnajder
Bipolar disorder, an illness characterized by manic and depressive episodes, affects more than 60 million people worldwide.