Human-centered multimodal sexism detection for EXIST 2026 (CLEF) Task 2: a five-stream FiLM-conditioned cross-attention model that fuses meme text, image, annotator demographics, and biometric signals. Team VANGUARD.
First-place official system for JOKER 2026 (CLEF) Task 1 English: a three-stage humor retrieval pipeline pairing hybrid sparse-dense retrieval and cross-encoder reranking with a rationale-distilled LLM judge ensemble. 0.6347 MAP. Team VANGUARD.
Ordantis @ EXIST 2026 Task 2 — GEMF: Gemini-enriched multimodal fusion for sexism characterization in memes (CLEF 2026).
Clef 2026 CheckThat Task 1: Placed 3rd overall 🥉
English to French pun translation system. FAISS-indexed dense retrieval over a 370K-entry French expression bank and a BGE-M3 embedding model fine-tuned on 2.7M IPA phonetic relations, feeding Claude, Gemini, and GPT as competing pun generators, ranked by weighted Borda voting across four LLM-judge personas.
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