History Merging as a Mechanism for Information Exchange in Cooperative and Mobile Environments 1996 2 citations ? 2 self

Abstract:  Introduction New application areas, such as CAD, CASE, cooperative authoring, or mobile computing, impose new requirements on a transaction model [6, 8, 5]. Transactions in such environments need to support interactive activities of long duration, in which competition for resources is replaced by the need to cooperate. The emphasis, therefore, is not on preventing access to resources, but rather on the interoperation, i.e., the semantically correct exchange of information, among concurrent activities of multiple cooperating (possibly geographically distributed or mobile) users. In such environments, failure atomicity may be too strict, and isolation among concurrent users contradicts the need of cooperation. However, we need to replace these criteria by new ones which are more suitable for cooperative activities. Most approaches found in the CSCW area synchronize cooperative access to shared data in a more or l