2 papers
cs.IR2026
OBLIQ-IR: Training a Dense Retriever for Oblique Queries
Mahmoud Abdalla, Abdelrahman Abdallah, Shaimaa Sedek +1
Oblique retrieval, as exemplified by OBLIQ-Bench, asks a retriever to find documents whose relevance is determined by a latent attribute (an implicit stance, an analogous reasoning…
cs.IR2026
SmallReason-ColBERT: An Ultra-Small Late-Interaction Retriever for Reasoning Intensive Retrieval
Abdelrahman Abdallah, Mohammed Ali, Adam Jatowt
Reasoning-intensive retrieval remains difficult for small models. Compact public ColBERTs are usually trained on general-purpose corpora and underperform reasoning-tuned 150M+ base…