Costas Mavromatis

Publication Activity (10 Years)

Years Active: 2020-2024
Publications (10 Years): 17

Top Topics

Incomplete Knowledge

Mutual Information

Graph Representations

Top Venues

Publications

Costas Mavromatis, George Karypis
GNN-RAG: Graph Neural Retrieval for Large Language Model Reasoning. CoRR (2024)
Costas Mavromatis, Petros Karypis, George Karypis
SemPool: Simple, robust, and interpretable KG pooling for enhancing language models. CoRR (2024)
Costas Mavromatis, Petros Karypis, George Karypis
SemPool: Simple, Robust, and Interpretable KG Pooling for Enhancing Language Models. PKDD (4) (2024)
Costas Mavromatis, Petros Karypis, George Karypis
Pack of LLMs: Model Fusion at Test-Time via Perplexity Optimization. CoRR (2024)
Costas Mavromatis, Vassilis N. Ioannidis, Shen Wang, Da Zheng, Soji Adeshina, Jun Ma, Han Zhao, Christos Faloutsos, George Karypis
Train Your Own GNN Teacher: Graph-Aware Distillation on Textual Graphs. ECML/PKDD (3) (2023)
Costas Mavromatis, Vassilis N. Ioannidis, Shen Wang, Da Zheng, Soji Adeshina, Jun Ma, Han Zhao, Christos Faloutsos, George Karypis
Train Your Own GNN Teacher: Graph-Aware Distillation on Textual Graphs. CoRR (2023)
Costas Mavromatis, Balasubramaniam Srinivasan, Zhengyuan Shen, Jiani Zhang, Huzefa Rangwala, Christos Faloutsos, George Karypis
Which Examples to Annotate for In-Context Learning? Towards Effective and Efficient Selection. CoRR (2023)
Costas Mavromatis, George Karypis
Global and Nodal Mutual Information Maximization in Heterogeneous Graphs. ICASSP (2023)
Costas Mavromatis, George Karypis
ReaRev: Adaptive Reasoning for Question Answering over Knowledge Graphs. EMNLP (Findings) (2022)
Costas Mavromatis, George Karypis
ReaRev: Adaptive Reasoning for Question Answering over Knowledge Graphs. CoRR (2022)
Costas Mavromatis, Prasanna Lakkur Subramanyam, Vassilis N. Ioannidis, Adesoji Adeshina, Phillip R. Howard, Tetiana Grinberg, Nagib Hakim, George Karypis
TempoQR: Temporal Question Reasoning over Knowledge Graphs. AAAI (2022)
Costas Mavromatis, George Karypis
HeMI: Multi-view Embedding in Heterogeneous Graphs. CoRR (2021)
Costas Mavromatis, George Karypis
Graph InfoClust: Maximizing Coarse-Grain Mutual Information in Graphs. PAKDD (1) (2021)
Konstantinos D. Polyzos, Costas Mavromatis, Vassilis N. Ioannidis, Georgios B. Giannakis
Unveiling Anomalous Edges and Nominal Connectivity of Attributed Networks. CoRR (2021)
Costas Mavromatis, Prasanna Lakkur Subramanyam, Vassilis N. Ioannidis, Soji Adeshina, Phillip R. Howard, Tetiana Grinberg, Nagib Hakim, George Karypis
TempoQR: Temporal Question Reasoning over Knowledge Graphs. CoRR (2021)
Konstantinos D. Polyzos, Costas Mavromatis, Vassilis N. Ioannidis, Georgios B. Giannakis
Unveiling Anomalous Edges and Nominal Connectivity of Attributed Networks. ACSSC (2020)
Costas Mavromatis, George Karypis
Graph InfoClust: Leveraging cluster-level node information for unsupervised graph representation learning. CoRR (2020)