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Distributed computer database system and method

DC
  • US 5,694,593 A
  • Filed: 10/05/1994
  • Issued: 12/02/1997
  • Est. Priority Date: 10/05/1994
  • Status: Expired due to Term
First Claim
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1. A method for information retrieval using fuzzy queries in a non-relational, distributed database system having a plurality of home nodes and a plurality of query nodes connected by a network, said method comprising the steps of:

  • randomly selecting a first one of said plurality of home nodes;

    fragmenting, by said selected home node, a query from a user into a plurality of query fragments;

    hashing, by said selected home node, each said query fragment of said plurality of query fragments, said hashed query fragment having a first portion and a second portion;

    transmitting, by said selected home node, each said hashed query fragment of said plurality of query fragments to a respective one of said plurality of query nodes indicated by said first portion of each said hashed query fragment;

    using, by said query node, said second portion of said respective hashed query fragment to access data according to a local hash table located on said query node; and

    returning, by each said query node accessing data according to said respective hashed query fragment, an object identifier corresponding to said accessed data to said selected home node.

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