A Spatiotemporal Data Management Method Using Inverse Differential Script
According to popularization of the geographic information system (GIS), temporal data management has become very important. When GIS is...
Extracting Event Semantics from Video Data Based on Real World Database
Video is considered the most effective medium for capturing events. There are two major approaches of representing video contents:...
Structured Modeling for Video Databases
Video information is an important component of multimedia systems such as Digital Library, World-Wide Web (WWW), and Video-On-Demand (VOD)...
Structured Message Management for Group Interaction
In a collaborative working environment, process automation is necessary in the sense that (a) to show a flow of...
Group Activity Database for Groupware Evolution
This paper proposes a new type of database for collaborative work. Known types of databases for collaborative work are...
Timestamps to Detect R-W Conflicts in Mobile Computing
In mobile computing, it is desirable to allow read and write accesses to occur on replicated copies of the...
Supporting Collaborative Work by Process-Based Transaction Model
Collaborative work presupposes information exchange among participants. In contrast, traditional transaction technologies allow concurrent users to operate on shared...
Rumor: Mobile Data Access Through Optimistic Peer-to-Peer Replication
Rumor is an optimistically replicated file system designed for use in mobile computers. Rumor uses a peer model that...
A Cooperative Distributed Text Database Management Method Unifying Search and Compression Based on the...
A new text database management method for distributed cooperative environments is proposed, which can collect texts in distributed sites...
A Copy Update Mechanism for a Mobile Information Announcement System
In this paper, the bandwidth problem between a mobile computer and an access point is discussed, and a copy...





