Our institutions of record are facing a new digital knowledge management challenge: stakeholder communities are now expecting customized Web interfaces to institutional knowledge repositories, online environments where community members can contribute content and see themselves represented, as well as access archived resources. Digital curation can be used to address these knowledge management challenges. Digital curation must involve both digital asset preservation and the important value-added function of facilitating user understanding of and engagement with digital resources. This paper presents a model of digital curation that embraces both the digital preservation challenge and the community engagement challenge. (Contains 7 figures and 60 notes.)