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concept:qk-circuitQK Circuit
The bilinear circuit formed by W_E^T W_QK^h W_E that determines which source token a destination token attends to
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Related by similarity (8)
cosine ≥ 0.65 · no typed edgeEntities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.
- The key novel property of DiffLogic CA — logic gate networks that are recurrent both spatially and temporally
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- A form of attention head composition where W_Q reads from a subspace affected by a previous head, allowing more complex attention patterns
- An open scientific collaboration hosted on Distill slack studying the inner workings of neural networks via zoomed-in mechanistic investigation
- A recurring, abstract pattern found in circuits (e.g., equivariance, unioning over cases), inspired by circuit motifs in systems biology
- A goal in mechanistic interpretability to identify sparse computational subgraphs; VPD promotes sparse parameter circuits.
- Concordance heads (QK circuits) could serve as the consistency-checking circuit for distinguishing intended vs. unintended outputshypothesis0.711Speculated mechanism for prefill detection.
- Mechanistic interpretability framework for understanding neural network computation as circuits of features