HiCoMER

HiCoMER is a memory-augmented framework for multi-agent collaborative scenarios, whose key design is to first maintain the validity of team memory and individual memory, and then retrieve from memories that are still valid

The HiCoMER framework consists of three modules: a hierarchical memory conflict updater, a validity-aware retriever, and a memory-anchored answer generator

The hierarchical memory conflict updater is responsible for maintaining the validity of team and individual memories, and handles conflicts between individual memories and team consensus

The validity-aware retriever retrieves only from memories that are still valid, rather than performing full retrieval

The hierarchical memory conflict updater manages memory by attaching validity flags to memory entries, marking individual memory entries that contradict new consensus as invalid rather than deleting them outright when the team reaches a new consensus

HiCoMER decouples the two questions of 'what memories still hold' and 'which memory is most relevant,' solving them independently in separate stages

HiCoMER regards team memory as representing the current collective consensus and thus having higher authority, while individual memory may contain intermediate states that have not yet converged or have already been overturned

The research team constructed two new datasets oriented toward collaborative scenarios and based on memory-grounded QA to evaluate HiCoMER

In experiments on the two datasets, HiCoMER maintains a consistent advantage over multiple strong baseline methods, specifically reflected in three aspects: significantly reducing retrieval of outdated memories, better preserving team consensus, and improving QA quality

The two datasets of HiCoMER are designed to cover agent teams of different scales and different frequencies of memory updates

HiCoMER was proposed as an arXiv paper