PhD Student at Johns Hopkins University. Previously: Allen Institute for AI, Apple, Samaya AI. Research for #NLProc #IRhttps://bsky.app/profile/orionweller.bsky.socialhttps://bsky.app/profile/orionweller.bsky.social/post/3lj3n6ybtmc2vEver wonder how test-time compute would do in retrieval? 🤔 introducing ✨rank1✨ rank1 is distilled from R1 & designed for reranking. rank1 is state-of-the-art at complex reranking tasks in reasoning, instruction-following, and general semantics (often 2x RankLlama 🤯) 🧵26 Feb 2025 14:57 +0000at://did:plc:vm5ic6kt3kljuttejxqf3dz3/app.bsky.feed.post/3lj3n6ybtmc2vhttps://bsky.app/profile/orionweller.bsky.social/post/3ldosvabhdk2rCheck out our new encoder model, ModernBERT! 🤖 Super grateful to have been part of such an awesome team effort and very excited about the gains for retrieval/RAG! 🚀 [contains quote post or other embedded content]19 Dec 2024 21:28 +0000at://did:plc:vm5ic6kt3kljuttejxqf3dz3/app.bsky.feed.post/3ldosvabhdk2rhttps://bsky.app/profile/orionweller.bsky.social/post/3ldhbdlqgu42lMASC is such a fun time! If your university is in the mid-Atlantic, please consider hosting! [contains quote post or other embedded content]16 Dec 2024 21:25 +0000at://did:plc:vm5ic6kt3kljuttejxqf3dz3/app.bsky.feed.post/3ldhbdlqgu42lhttps://bsky.app/profile/orionweller.bsky.social/post/3lbngbpibvk2bCreating a 🦋 starter pack for people working in IR/RAG: go.bsky.app/88ULgwY I can’t seem to find everyone though, help definitely appreciated to fill this out (DM or comment)! [contains quote post or other embedded content]23 Nov 2024 21:19 +0000at://did:plc:vm5ic6kt3kljuttejxqf3dz3/app.bsky.feed.post/3lbngbpibvk2bhttps://bsky.app/profile/orionweller.bsky.social/post/3k7hdjhmxmh2nUsing LLMs for query or document expansion in retrieval (e.g. HyDE and Doc2Query) have scores going 📈 But do these approaches work for all IR models and for different types of distribution shifts? Turns out its actually more 📉 🚨 📝 (arxiv soon): https://orionweller.github.io/assets/pdf/LLM_IR.pdf15 Sep 2023 18:57 +0000at://did:plc:vm5ic6kt3kljuttejxqf3dz3/app.bsky.feed.post/3k7hdjhmxmh2n