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Efficient discovery of information, based on partial knowledge, is a challenging problem faced by many large scale distributed systems. This paper presents Plexus, a peer-to-peer search protocol that provides an efficient mechanism for advertising a bitsequence (pattern), and discovering it using any subset of its 1-bits. A pattern (e.g., Bloom filter) summarizes the properties (e.g., keywords, service description) associated with a shared object (e.g., document, service). Plexus has adoi:10.1109/tnet.2008.2001466 fatcat:tdahcz46hvcevnujavwalkol6a