The theme of the 4th International Workshop on Learning Software Organizations (LSO 2002) was BalancingAgile Processes and Long-Term Learning in Software - ganizations. The LSOWorkshop series focuses on technical, organizational, and social solutions to problems of learning from past experiences and codifying the resulting best practicessotheycanbesystematicallyusedinsubsequentsoftwaredevelopmentefforts. Through paper presentations, panels, and discussions, the workshop explored the issues of managing knowledge in dynamic domains requiring signi?cant differences...