Research

Recent Publications (Last 5 Years - 2025)

• Text2Cypher: Bridging Natural Language and Graph Databases
  Makbule Gülçin Özsoy, Leila Messallem, Jon Besga, Gianandrea Minneci
  GENAIK workshop, COLING, 2025
  

• Multilingual Prompts in LLM-Based Recommenders: Performance Across Languages
  Makbule Gülçin Özsoy
  ROEGEN workshop, RecSys, 2024
  

• Multi-Margin Cosine Loss: Proposal and Application in Recommender Systems
  Makbule Gülçin Özsoy
  ICMLA (To be published), 2024
  

• DARES: An Asynchronous Distributed Recommender System Using Deep Reinforcement Learning
  Bichen Shi, Elias Z Tragos, Makbule Gülçin Özsoy, Ruihai Dong, Neil Hurley, Barry Smyth, Aonghus Lawlor
  IEEE Access, 2021
  

• MP4Rec: Explainable And Accurate Top-N Recommendations In Heterogeneous Information Networks
  Makbule Gülçin Özsoy, Diarmuid O’Reilly-Morgan, Panagiotis Symeonidis, Elias Z Tragos, Neil Hurley, Barry Smyth, Aonghus Lawlor
  IEEE Access, 2020
  

• A Distributed Asynchronous Deep Reinforcement Learning Framework for Recommender Systems
  Bichen Shi, Elias Z Tragos, Makbule Gülçin Özsoy, Ruihai Dong, Barry Smyth, Neil Hurley, Aonghus Lawlor
  REVEAL workshop, RecSys, 2020
  

• A Survey On Deep Reinforcement Learning-based Recommender Systems
  Makbule Gülçin Özsoy
  2020
  

• Beyond Next Item Recommendation: Recommending and Evaluating List of Sequences
  Makbule Gülçin Özsoy
  arXiv, 2020
  

• Utilizing FastText for Venue Recommendation
  Makbule Gülçin Özsoy
  arXiv, 2020
  [source code]
  

All Refereed Publications

• Text2Cypher: Bridging Natural Language and Graph Databases
  Makbule Gülçin Özsoy, Leila Messallem, Jon Besga, Gianandrea Minneci
  GENAIK workshop, COLING, 2025
  

• Multilingual Prompts in LLM-Based Recommenders: Performance Across Languages
  Makbule Gülçin Özsoy
  ROEGEN workshop, RecSys’2024, 2024
  

• Multi-Margin Cosine Loss: Proposal and Application in Recommender Systems
  Makbule Gülçin Özsoy
  ICMLA (To be published), 2024
  

• DARES: An Asynchronous Distributed Recommender System Using Deep Reinforcement Learning
  Bichen Shi, Elias Z Tragos, Makbule Gülçin Özsoy, Ruihai Dong, Neil Hurley, Barry Smyth, Aonghus Lawlor
  IEEE Access, 2021
  

• MP4Rec: Explainable And Accurate Top-N Recommendations In Heterogeneous Information Networks
  Makbule Gülçin Özsoy, Diarmuid O’Reilly-Morgan, Panagiotis Symeonidis, Elias Z Tragos, Neil Hurley, Barry Smyth, Aonghus Lawlor
  IEEE Access, 2020
  

• A Distributed Asynchronous Deep Reinforcement Learning Framework for Recommender Systems
  Bichen Shi, Elias Z Tragos, Makbule Gülçin Özsoy, Ruihai Dong, Barry Smyth, Neil Hurley, Aonghus Lawlor
  REVEAL workshop, RecSys, 2020
  

• PyRecGym: A Reinforcement Learning Gym For Recommender Systems
  Bichen Shi, Makbule Gülçin Özsoy, Neil Hurley, Barry Smyth, Elias Z Tragos, James Geraci, Aonghus Lawlor
  RecSys, 2019
  

• Effective Induction Of Gene Regulatory Networks Using A Novel Recommendation Method
  Makbule Gülçin Özsoy, Faruk Polat, Reda Alhajj
  International Journal of Data Mining and Bioinformatics, 2019
  [source code]

• Realizing Drug Repositioning By Adapting A Recommendation System To Handle The Process
  Makbule Gülçin Özsoy, Tansel Özyer, Faruk Polat, Reda Alhajj
  BMC Bioinformatics, 2018
  [source code]
  

• Time Preference Aware Dynamic Recommendation Enhanced With Location, Social Network And Temporal Information
  Makbule Gülçin Özsoy, Faruk Polat, Reda Alhajj
  ASONAM, 2016
  

• Making Recommendations By Integrating Information From Multiple Social Networks
  Makbule Gülçin Özsoy, Faruk Polat, Reda Alhajj
  Applied Intelligence, 2016
  [source code]
  

• Modeling Individuals And Making Recommendations Using Multiple Social Networks
  Makbule Gülçin Özsoy, Faruk Polat, Reda Alhajj
  ASONAM, 2015
  [source code]
  

• Inference Of Gene Regulatory Networks Via Multiple Data Sources And A Recommendation Method
  Makbule Gülçin Özsoy, Faruk Polat, Reda Alhajj
  BIBM, 2015
  [source code]
  

• Result Diversification For Tweet Search
  Makbule Gülçin Özsoy, Kezban Dilek Önal, Ismail Sengör Altıngövde
  WISE, 2014
  

• Multi-Objective Optimization Based Location And Social Network Aware Recommendation
  Makbule Gülçin Özsoy, Faruk Polat, Reda Alhajj
  CollaborateCom, 2014
  [source code]
  

• Contrastive Max-Sum Opinion Summarization
  Makbule Gülçin Özsoy, Ruket Çakıcı
  AIRS, 2014
  

• Trust Based Recommendation Systems
  Makbule Gülçin Özsoy, Faruk Polat
  MASSN, 2013 (Held in conjuction with ASONAM 2013)
  

• Text summarization Using Latent Semantic Analysis
  Makbule Gülçin Özsoy, Ferda Nur Alpaslan, Ilyas Çiçekli
  Journal of Information Science, 2011
  [source code]
  

• Text Summarization Of Turkish Texts Using Latent Semantic Analysis
  Makbule Gülçin Özsoy, Ilyas Çiçekli, Ferda Nur Alpaslan
  COLING, 2010
  [source code]
  

All Non-Refereed Publications

• A Survey On Deep Reinforcement Learning-based Recommender Systems
  Makbule Gülçin Özsoy
  2020
  

• Beyond Next Item Recommendation: Recommending and Evaluating List of Sequences
  Makbule Gülçin Özsoy
  arXiv, 2020
  

• Utilizing FastText for Venue Recommendation
  Makbule Gülçin Özsoy
  arXiv, 2020
  [source code]
  

• From Word Embeddings To Item Recommendation
  Makbule Gülçin Özsoy
  arXiv, 2016
  [source code]
  

Theses

• A Multi-Objective Recommendation System
  Makbule Gülçin Özsoy
  PhD Thesis, METU, 2016
  [source code]
  

• Text Summarization Using Latent Semantic Analysis
  Makbule Gülçin Özsoy
  MSc Thesis, METU, 2011
  [source code]