Design of a multimedia object-oriented DBMS

Abstract

Abstract. The emerging multimedia information (such as video, image, voice, graphics) services have imposed many new requirements and research considerations on the design of database management systems (DBMSs). Conventionally, a multimedia DBMS is designed by developing a multimedia presentation layer on top of a pre-existing object-oriented DBMS (which can be truly object-oriented or relational-based), such that the core of the DBMS was developed earlier independent of the design of the multimedia presentation layer. Due to the fact that multimedia capabilities are not actually embedded in the DBMSs, such systems tend to provide only a rather limited set of functionalities in multimedia and are not satisfactory in supporting multimedia applications. This paper describes some key features of a multimedia object-oriented DBMS that is currently being developed. In this system the DBMS is carefully redesigned to provide special multimedia capabilities, such that the mismatch between the DBMS and the multimedia application layer can be eliminated. In particular, this paper will focus on unique multimedia capabilities including multimedia object modeling, video data management, and distributed collaboration.

IMMPS: a multimedia presentation design system

“…The second approach relies on a relational DBMS-less useful for organizing multimedia presentations than object-oriented methods. [8][9][10] The relational and object-oriented DBMS differ in organization and focus, thus making a hybrid construction unnatural for a multimedia database system. 9 .…”

Spatio-temporal querying in video databases

“…2 illustrates the segment tree generated from the map in Fig. 1 for the interval [1][2][3][4][5][6][7][8][9][10][11]. The set of numbers placed in a node denotes the identities of video objects and events that appeared in the entire frame-sequence associated with that node.…”

“…the intervals [2,3) and [3,4) ). However o9 cannot be included in the list of node 13, because node 13 represents the interval [1,6) and o9 does not appear in all frames of that interval.…”

Multimedia database management-requirements and issues

“…Various data models, such as network, relational, semantic, and object-oriented models already exist for traditional databases, 5 and a few have been proposed for multimedia databases. 6,7 Two basic approaches have been used in modeling multimedia data. The first involves building a multimedia data model on top of an underlying traditional database data model (usually relational or object-oriented databases) by using appropriate interfaces for the multimedia data.…”