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1996
Ozsu, M. Tamer, Goralwalla, Iqbal, Li, John, Szafron, Duane
Technical report TR96-02. Video modeling has become a topic of increasing interest in the area of multimedia research. One of the key aspects in the video medium is the temporal relationship between video frames. In this report1 we propose a tree based model for specifying spatial and temporal...
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1993
Peters, Randal J., Ozsu, M. Tamer, Szafron, Duane, Lipka, Anna
Technical report TR93-01. The establishment of a formal object model provides a theoretical foundation to investigate other objectbase features such as query processing. In this report, we present an extensible uniform behavioral object query model for the TIGUKAT(*) object management system. ...
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1994
Ozsu, M. Tamer, Tansel, Abdullah, Vittal, Chiradeep
Technical report TR94-16. We describe the design of a multimedia database for a distributed news-on-demand multimedia information system. News-on-demand is an application that utilizes broadband network services to deliver news articles to subscribers in the form of multimedia documents. ...
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1998
Leontiev, Yuri, Ozsu, M. Tamer, Szafron, Duane
Technical report TR98-01. In this paper we present a type system that combines inclusion and parametric polymorphism with behaviors (multi-methods) and precise function typing. Type declarations allow user-definable variance specification of type parameters and user-definable subtyping between...
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1992
Peters, Randal J., Szafron, Duane, Ozsu, M. Tamer
Technical report TR92-14. Object-oriented computing is influencing many areas of computer science including software engineering, user interfaces, operating systems, programming languages and database systems. The appeal of object-orientation is attributed to its higher levels of abstraction for...
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1996
Szafron, Duane, Li, John, Ozsu, M. Tamer
Technical report TR96-05. In this paper we consider various spatial relationships that are of general interest for retrieving data from multimedia databases. We present a unified representation of spatial objects for both topological and directional relations. Such a representation is based on...
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1995
Szafron, Duane, Ozsu, M. Tamer, Li, John
Technical report TR95-25. Declarative query languages are an important feature of database management systems and have played an important role in their success. As database management technology enters the multimedia information system area, the availability of special-purpose query languages...
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1998
Ozsu, M. Tamer, Szafron, Duane, Leontiev, Yuri
Technical report TR98-02. In this paper we present a model that supports a clean separation between the concepts of interface, implementation, and representation. We present several problems that are difficult to solve in the absence of such separation and describe how the proposed model can be...
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1997
Ozsu, M. Tamer, Li, John, Szafron, Duane
Technical report TR97-01. Declarative query languages are an important feature of database management systems and have played an important role in their success. As database management technology enters the multimedia information system domain, the availability of query languages for multimedia...
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1996
Li, John, Ozsu, M. Tamer, Szafron, Duane
Technical report TR96-12. Modeling moving objects has become a topic of increasing interest in the area of video databases. Two key aspects of such modeling are object spatial and temporal relationships. In this paper we introduce an innovative way to represent the trajectory of a single...