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PBFT-Backed Semantic Voting for Multi-Agent Memory Pruning

Created by
  • Haebom

Author

Duong Bach

Outline

In this paper, we present the 'Co-Forgetting Protocol' as a robust and efficient mechanism for shared knowledge management of multi-agent systems (MAS) in complex and dynamic environments. The protocol integrates three core components: (1) context-aware semantic voting using the lightweight DistilBERT model, (2) multi-timescale decay functions, and (3) a PBFT-based consensus mechanism to enable synchronized memory pruning in MAS. Experimental results show that it reduces the memory space by 52%, achieves 88% voting accuracy, 92% PBFT consensus success rate, and 82% cache hit rate in a simulation environment with four agents. gRPC, Pinecone, and SQLite are utilized to ensure efficiency and scalability of inter-agent communication and data management.

Takeaways, Limitations

Takeaways:
Proposing an efficient shared memory management method in a multi-agent system
Implementing an intelligent forgetting mechanism that takes context awareness and time decay into account
Fault tolerance achieved through PBFT-based consensus mechanism
Validation of the efficiency and accuracy of the protocol through experiments
Limitations:
Currently, experiments are conducted only in a simulation environment with four agents, and additional experiments in more diverse scales and environments are needed.
Additional research is needed on potential problems and performance degradation that may occur when applying to real environments.
There is a dependency on the performance of the DistilBERT model, and limitations of the model may affect the protocol performance.
Lack of detailed description of human-annotated benchmarks
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