1. A system for decision pattern identification and application in a software engineering project, comprising: a decision pattern miner configured to locate a plurality of decisions in a search space; a decision pattern generator configured to generate a decision pattern from the located decisions; a decision pattern repository configured to store the decision pattern; a decision pattern proposal maker configured to search the decision pattern repository for a decision pattern relevant to a decision space; and a decision pattern propagator configured to propagate the decision pattern relevant to the decision space in the decision space.