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Ali Maatouk

4 accepted papers

2026

HypRAG: Hyperbolic Dense Retrieval for Retrieval Augmented Generation

ICML 2026poster

Embedding geometry plays a fundamental role in retrieval quality, yet dense retrievers for retrieval-augmented generation (RAG) remain largely confined to Euclidean space. However, natural language exhibits hierarchical structure from broad topics to specific entities that Euclidean embeddings fail …

Cited by 0SourceScholar
2026

TelecomTS: A Multi-Modal Observability Dataset for Time Series and Language Analysis

ICML 2026poster

Modern enterprises generate vast streams of time series metrics when monitoring complex systems, known as observability data. Unlike conventional time series from domains such as climate, observability data are zero-inflated, highly stochastic, and exhibit minimal temporal structure. Despite their i…

Cited by 0SourceScholar
2025

HELM: Hyperbolic Large Language Models via Mixture-of-Curvature Experts

NeurIPS 2025poster

Frontier large language models (LLMs) have shown great success in text modeling and generation tasks across domains. However, natural language exhibits inherent semantic hierarchies and nuanced geometric structure, which current LLMs do not capture completely owing to their reliance on Euclidean ope…

Cited by 0SourcecodeScholar
2025

TRACE: Grounding Time Series in Context for Multimodal Embedding and Retrieval

NeurIPS 2025poster

The ubiquity of dynamic data in domains such as weather, healthcare, and energy underscores a growing need for effective interpretation and retrieval of time-series data. These data are inherently tied to domain-specific contexts, such as clinical notes or weather narratives, making cross-modal retr…

Cited by 0SourceScholar