Prashant Kumar Pathak
PulseAugur coverage of Prashant Kumar Pathak — every cluster mentioning Prashant Kumar Pathak across labs, papers, and developer communities, ranked by signal.
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New research reveals fundamental limits in RAG defenses against coordinated poisoning attacks
Researchers have demonstrated a fundamental limitation in current defenses against coordinated poisoning attacks on vector retrieval systems used in retrieval-augmented generation (RAG). These admission-time defenses, w…
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Vector database admission control tackles retrieval hubs under workload drift
Researchers have developed a new admission control mechanism for vector databases to mitigate the impact of retrieval hubs, where a single document dominates search results. This system maintains a set of sentinel queri…
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New RAG defense controls vector hubness at admission time
Researchers have developed a new method to control vector hubness in retrieval-augmented generation (RAG) systems, addressing the risk of injected documents influencing unrelated queries. The proposed solution involves …