👨🏼💻 I am a PhD Student in Electrical Engineering at EPFL.
🔭 I'm interested in:
- Graph Signal Processing (GSP)
- Graph Neural Networks (GNNs)
- Natural Language Processing (NLP)
📰 Publications & ⚙️ Source Codes
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T. Alikaşifoğlu, B. Kartal, E. Özgünay, and A. Koç, "Joint Time-Vertex Fractional Fourier Transform" in Signal Processing, Aug. 2025.
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T. Alikaşifoğlu, A. C. Aras, and A. Koç, "VISPool: Enhancing Transformer Encoders with Vector Visibility Graph Neural Networks" in Findings of the Association for Computational Linguistics ACL 2024. ⚙️ Source Code | 🐍 Vector Visibility Graph Package
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T. Alikaşifoğlu, B. Kartal and A. Koç, "Graph Fractional Fourier Transform: A Unified Theory" in IEEE Transactions on Signal Processing, Aug. 2024. ⚙️ Experiments Source Code | 🐍 Trainable GFRFT Package
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A. C. Aras, T. Alikaşifoğlu and A. Koç, "Text-RGNNs: Relational Modeling for Heterogeneous Text Graphs" in IEEE Signal Processing Letters, Jul. 2024. ⚙️ Source Code
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T. Alikaşifoğlu, B. Kartal and A. Koç, "Wiener Filtering in Joint Time-Vertex Fractional Fourier Domains" in IEEE Signal Processing Letters, May. 2024. ⚙️ Source Code
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A. C. Aras, T. Alikaşifoğlu and A. Koç, "Graph Receptive Transformer Encoder for Text Classification" in IEEE Transactions on Signal and Information Processing over Networks, Mar. 2024. ⚙️ Source Code
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E. Koç, T. Alikaşifoğlu, A. C. Aras and A. Koç, "Trainable Fractional Fourier Transform" in IEEE Signal Processing Letters, Mar. 2024. ⚙️ Experiments Source Code | 🐍 Trainable FRFT Package
